CSRfor Bulk Carriers and Oil Tankers assessment within MARS
Contents
1. 3 2 2 This minimum will be effective within the input field and will also be re evaluated afterwards within the calculations Additional Matatian No fe Yes A 35 0 t e For Oil Tanker ships additional data is required to compute the green sea pressures ref Pt 1 Ch 4 Sec 5 2 2 Those data were already an input for CSR Bulk Carriers Depths At strength deck 31 000 m At freeboard deck 31 000 m Main dimensions At tap of continous member 32 300 m Scantling length 310 000 m CSA Harmonized Breadth moulded 58 000 m Type B ship C Type B Reduced freeboard A ship Black coefficient 0 850 Freeboard Length Ly 0 000 m Distance from ta FE 0 000 m Maximum service speed 20 0 Knots aloe Deadweight 0 0 t NOTE If the freeboard length L is not set the calculations will be done using the scantling length If the field distance from AE to FE is left empty it will be taken equal to Li 3 1 3 Additional draughts for Bottom Slamming Assessment The assessment of the bottom slamming criteria ref Pt 1 Ch 10 Sec 1 3 2 will be automatically triggered in the relevant sections by the input of two new ballast draughts ref Pt 1 Ch 4 Sec 5 3 2 1 Minimum empty draught at FP m Design slamming draught at the forward perpendicular FP defined as the minimum draught at the FP indicated in the loading manual for all seagoing conditions where any of the ballast tanks withi2. fatigue criteria for longitudinal stiffeners etc Plating Transverse Stiffeners 05 ENSIS Actual Rule Case Actual Rule Case Actual Case Gross Gross Gross Ww 2158 36 2007 80 Ww 3841 64 2648 76 5 150 155 Thickness 2450 2450 Tohiri 124 2n 100 Tw Mini TH Miri 22 0 10 0 TH Mini 23 0 15 5 220 00 143 00 BFI Mini 15000 116 50 Bfl Mini Load Thick 19 50 16 50 BSP1 Met Test Thick 1850 16 50 wioad 1775 07 1650 02 BSAT O A Mini Thick 1950 1250 Mini Test 1775 07 1179 52 ShrTwload 900 507 8581 ShrTwTest goof 283 E 3038 86 2042 10 8582 0 ol Sh TwLoad 1050 652 BsR2 ShrTwTes 1050 578 Eta Bu 053 1 00 HSM E HGS Bend 135 94 190 00 Food D Eta Bu Over 080 fsa 2 Eta Bu Sti 084 HSM1 Eta Bu Over 015 1 00 9511 H Eta Bu St O19 sta 5 548 105 00 Hab 0 Inertia Min amp Ole4 95453 Grab Thick 1350 1950 30 Mni Load Thickness TH Mini 130 20 Tfl Mini 185 11 0 Mini BFI Mini 1135 Prop BFI Mini ziss 1385 Re A Fatique Lite gt 40 250 a amp E HGS Bend 14356 243 59 Flood E Load Modulus Ww Inertia Min 1 1525 6 9063 Thick 1663 HBAL 1 ps 21770 pw 7721 2 S
3. in Flooded and Harbour For the previous CSR only one of those conditions was necessary Bulk Carrier Ships Tanker ships Main Section Data Main Section Data Main Sw Floo Har conds Flooding Main sw Wave Floo Har conds Flooding Still Water Bending Moments at X in Flooded Conditions Still Water Bending Moments at in Harbour Conditions Hogaging condition 3680000 kN m Hogging condition 5297400 Sagging condition 4250000 kN m Sagging condition 3423690 kN m kN m Still water Shear Force in Flooded Conditions 42251 kN Still Water Bending Moments at Harbour Conditions Hogging condition 5341264 Sagging condition 5546216 kN m Still water Shear Force in Harbour Conditions 124057 kN Still Water Bending Moments at in Flooded Conditions Hogging condition fi kNm Sagging condition 0 Still water Shear Force in Harbour Conditions 97578 Cancel gt Hold data for Bulk Carrier ships The height of bulk cargo for the evaluation of bulk pressures as stated by the CSR rules ref Pt 1 Ch 4 Sec 6 2 3 1 amp 2 3 2 is to be computed at e At mid length of the cargo hold at the midship for a fully filled cargo holds e At mid length of the considered cargo hold for any partially filled cargo holds 5 22 Bureau Veritas CSR amp MARS 2000 M007 MARS
4. left null these values will be computed at current section X which may not be rule compliant Nou may find their values in the relevant sections within the result prints under the category Values used to evaluate bulk pressures 3 3 2 Specific data for corrugated bulkheads This is only a reminder as these inputs already existed for the previous 5 For Bulk Carrier ships For the assessment of transverse vertically corrugated watertight bulkheads separating cargo holds in flooded conditions ref Pt 2 Ch 1 Sec 3 3 itis necessary to input additional data to better describe the corrugated bulkhead 11 22 Bureau Veritas 5 amp MARS 2000 M007 2 8 Bhaln Transverse Bulkhead CSR HSR SELECTED X File Edit Bulkhead Arrangement Check Tools Help Bukhead gt 8 7 Geometry eHe ii Start 0535 Spacing Sc 1 560 Flange width 1 070 TATUS Depth d 0 350 5 4 Supports Fixed upper support Fixed lower support Effective Shedder C Yes No or Thickness 0000 mm Hg 0 000 m Effective Gusset Yes No 1 i Hg 0 300 m Supporting local brack below lower stool top e eo 15 elo Ie je t Bulkhead between Holdl and Hold2 0 46 1 10 gt For Oil Tanker ships Similarly for the assessment of vertically corrugated bulkheads of Oil Tanker ships ref Pt 2 Ch 2 Sec
5. options Miscellaneous options Hull girder loads Section modulus and inertia check Yielding check ULTIMATE STRENGTH CHECK HULL SCANTLING Ultimate strength check Plating and longitudinal ordinary stiffeners w Residual strength check Transverse ordinary stiffeners Collision Structural details Fatigue Grouding Centered Grouding Lateral MISCELLANEOUS Save copy of the damaged section the Shear gross scantling database Pressure Viewer In the case of full sections e Either the section represents an already damaged section where damages have been applied manually or are coming from a copy of an automatically damaged half section and in that case it is necessary to choose the one case of damage it represents e Either the section needs to have the damages automatically applied and in that case several damage cases can be run Ultimate strength check Residual strength check Collision Grouding Centered Apply automatic damage Miscellaneous option for Oil Tanker ships For fatigue criteria Kg factor evaluation as per Pt 1 Ch 9 Sec 4 4 2 4 and or PSM assessment deck transverse adjacent to transverse bulkhead as per Pt 2 Ch 2 Sec 3 1 5 5 it is necessary to indicate whether the current section is in way of a transverse bulkhead or not HULL GIRDER STRENGTH CR
6. the IACS Common Structural Rules for Bulk Carriers and Oil Tankers a k a CSR Harmonised a k a CSR H Edition January 2015 Entry into Force July 1 2015 compared to the previous Common Structural Rules CSR Edition July 2012 Users not familiar with MARS 2000 should refer to the general user manual first Bureau Veritas CSR amp MARS 2000 M007 2 Overview MARS 2000 contains a complete package to assess the prescriptive requirements of the CSR H e Global strength criteria yielding ultimate and residual strength e Local scantling of strakes longitudinal and transverse stiffeners for cross sections minimum yielding and buckling criteria e Fatigue calculations of connections between longitudinal stiffeners and primary structure e Local scantling of strakes and secondary stiffeners for transverse bulkheads minimum and yielding criteria In addition there are specific requirements by type of ship e For Bulk Carriers e Assessment of the side frames for single sided bulk carriers e Grab load assessment e For Oil Tankers e Assessment of the Primary Supporting Members PSM ring Part 3 of this document describes the new data that needs to be input compared to an already defined CSR Bulk Carrier or CSR Double Hull Oil Tanker ship project in MARS 2000 Part 4 outlines the calculation options and results Appendix A sums up the requirements and their presence in MARS 2000 3 New Data Input 3 1 Basic Shi
7. 0 Note Top of hatch coaming is taken at Ztop BL Cancel 3 2 4 Fixed Simply supported input on stiffeners There is an input to describe the supports at both ends of ordinary stiffeners This information is independent from the definition of the efficiency longitudinal stiffeners only and flat at ends brackets Longitudinal stiffeners Transverse stiffeners Scantling Special Brackets Scantling Start End Eff Spans Scantling Stat End Eff Spans Material def 51235 Bracket at start Bracket at end Length m 0 000 Total flat width at ends 0 000 m Length 0000 Length m User values of effective spans Height Height Lbdg Lshr Flat width at start Flat width at end m d 0000 L 0 000 L Efficienc panel special 100 7 Aft support Fore support Support at start Support at end Fixed C Fixed Simply supported Fixed C Simply supported C Simply supported Simply supported It will be used for the following assessments e Evaluation of the Fiong coefficient for buckling on the EPPs adjacent to the stiffener ref Pt 1 Ch 8 Sec 5 Table 2 longitudinal stiffeners only e Evaluation of the 2 4 effective length of stiffener for buckling ref Pt 1 Ch 8 Sec 5 2 3 5 e Assessment of the stiffener under bottom slamming pressure ref Pt 1 Ch 10 Sec 1 3 2 5 amp Ch 3 Sec 7 1 4 6 e Assessment of the stiffener under sloshi
8. 063 21425 76 1751372 0 037 0 8 BAL2S 5 0 453 1BULKHF 1C 87 23 50 285 103742 2t 55 3 6 19229 5 999 320 18 100 t bar 8 726391 294 3 HBALIBSF 0 886 36 03 627 359 5 568 758 706 5005 4679 81063 2127302 1714 71 0035 08BAL2SSu 0 424 1BULKHF1C 80 575 5215 33305 32 56 3 18837 6 607 320 18 100 t bar 8 716 571 290 028 HBALIBSF 0 899 31866 30336 2995 758 7 056 5005 4673 81063 179834 107319 0054 0 8 BAL28 Sta 0 38 lBULKHF1C 73318 52645 34868 57 57 3 8 20664 7434 12 150 flat 0 0 0 0 0 0 0 0 58 4 1 1 36 21928 28 385 flat 24 1034 202 66 341 SEABSP1F 0 564 154 916 78 834 0527 7 056 21503 36283 71 1844 554 0037 1SEAHSMI 0 743 1BAL2HSM 246 351 8653 11123 59 4 2 1 22 21879 28 385 flat 24 143 021 88 131 SEABSPIF 0 565 154314 726 473 1859 7056 21509 e 36283 71 1660053 0 278 1SEAHSMI 0 701 0 8 BAL2SSu 187 732 5 607 26819 M M BSD lt Strakes Stiffeners lt Fatigue by Strakes 2 Kn leram mw 4 3 Calculation Options and Results for Bulkhead Arrangements The calculation options and result display are completely similar to those of bulkhead arrangements under the old CSR rules sets There are as well printable results intermediate results files and export files for Excel Therefore no further detail is required here for this document 19 22 Bureau Veritas 5 amp MARS 2000 M007 Appendix A CSR H implementation within MARS Status in Rule Topic Rule Ref Comments Hull Girder Strength Hu
9. 09 1 5 2 0 581 1SEAFSM2 166 75 33 182 153 m 1 3 3 28 0 Ti 340 18 100 t bar 8 791 654 209 112 SEABAL 2 0 444 127 749 653 311 3 848 7 056 7 056 5 295 4 673 85 75 2435344 2205 406 0 053 1SEAHSM2 0 534 0 8 SEABAL2 128082 8 678 203 112 3 8 1 4 4 1 0 Ti 340 18 100 t bar 8 791 654 209 112 SEABAL 2 0 444 127 749 653 311 3 848 7 056 7 056 5 295 4 673 85 75 2435344 2205 406 0 053 1SEAHSM2 0 594 0 8 SEABAL2 128 082 10 8 209 112 3 1 5 432 0 T 340 18 100 t bar 8 191654 209 12 SEABAL2 0444 127 749 65331 3 848 7 056 70556 5295 4679 8515 2495344 2205406 0053 1 5 2 0 534 0 8 SEABAL2 128 082 12922 20312 3 10 1 6 6 56 0 340 18 100 t bar 8 78806 221433 21 0 47 167 007 654448 3 858 7 056 706 5295 4679 8575 24647 76 212492 0 053 1 2 0 534 0 8 SEABAL2 128 082 17205 209 12 T 1 7 7 38 0 340 18 100 t bar 8 78806 222 522 SEABAL2I 0 47 167 007 657663 3858 7056 7 055 525 4673 8575 2464776 212492 0054 1 2 0 595 0 8 SEABAL2 128 082 13345 209 12 12 1 8 82 0 340 18 100 t bar 8 78806 _ 223 61 SEABAL 21 0 47 167 007 66088 388 7 056 7 055 5295 4679 8575 24647 76 212492 0 054 1 2 0 594 0 8 SEABAL2 128 082 21485 209 12 1 3 3 84 0 340 18 100 t bar 784 32 225787 2t 0 47 167 007 667313 3868 7 056 7 055 5295 4679 8575 24327 42 2044 433 0043 0 8 SEAS Sta 0 601 0 8 SEABAL2 128 082 25 193 209 12 14 1 10 10 66 0 340 18 100 t bar 8 1784 32 226819 SEABAL2I 0 47 167 007 670529 3 868 7 056 7 056 5295 4679 8575 24327
10. 2000 having unlinked sections it is necessary to input the heights of bulk cargo into sections where the geometry of the current section is not the correct one to evaluate h Main Section Data Hold Wave Floo Har conds Flooding Dimensions Hold volume excluding hatch coaming Vh 0 000 Volume enclosed by the hatch coaming 501 060 Transverse stool volume 245 500 Hold is Ballast hold Adjacent aftward to ballast hold Adjacent forward to ballast hold Other Does the hold have a cylindrical shape C Yes No hc heights if fully filled hold 17 672 if partially filled hold in homogeneous 0 000 if partially filled hold in alternate Mhd 0 1Mh 0 000 if partially filled hold in alternate Mhd 0 000 1 Warning If left null these values will be computed at current section X which may not be rule compliant You may find their values in the relevant sections within the result prints under the category Values used to evaluate bulk pressures Cancel 1 NOTE Part 4 2 2 of this Memo explains how to retrieve those values from the appropriate MARS 2000 sections 3 2 2 Effective spans of stiffeners MARS 2000 works with an approximate method relative to the CSR H rules ref Pt 1 Ch 3 Sec 7 1 1 to evaluate the effective bending span fbag and the effective shear span s of ordinary stiffeners Such method is described in Appendix C If for a given s
11. 3 2 some additional data are required Bulkhead 1 No 4 COT S No 5 COT S v Comgalin Geometry m Start 0880 Spacing 5 1 510 Flange width a 1 050 Depth d 0960 Supports Fixed upper support Fixed lower support Lower Stool Fore Lig dub Aft Lig 0 000 Area 0 000 m2 b 0000 m Upper Stool Area Adt 0 000 m2 3 3 1 Effective spans of mono span stiffeners MARS 2000 works with an approximate method relative to the CSR H rules ref Pt 1 Ch 3 Sec 7 1 1 to evaluate the effective bending span fbag and the effective shear span 44 of mono span stiffeners Such method is described in Appendix C If for a given stiffener this approximation is not accurate enough to perform the assessments it is possible to overwrite the effective spans values used by the software 12 22 Bureau Veritas CSR amp MARS 2000 M007 Scantling Stbd Span ends Effspans The Eff spans tab gives access to a checkbox to tick for activating the effective spans user values to be input User values of effective spans bda m shr 0 000 m NOTE if this option is used but one of the effective span values is left equal to 0 MARS 2000 will use its default value instead Reminder For multi span stiffeners MARS 2000 proceeds to their assessment by direct calculation loaded beam over several supports so this input is no
12. 42 2044433 0044 0 8 SEAS Sta 0 608 0 8 SEABAL2 128 082 27 353 209 12 15 1 Ti 11 48 0 Ti 340 18 100 t bar 8 784 32 227 964 SEABAL 2 0 47 167 007 673 746 3 868 7 056 7 056 5 295 4 679 85 75 24327 43 2044 434 0 044 0 8 SEASSta 0 6 0 8 SEABAL2 128 082 29 514 203 112 3 16 1 12 13 12 0 Ti 340 18 100 t bar 8 771956 230 14 SEABAL 21 0 47 167 007 680 179 3 899 7 056 7 056 5 295 4 573 85 75 23257 33 1602973 0 042 0 8 SEASSta 0 644 0 8 SEABAL2 128 082 34 337 209 112 3 T 1 13 13 34 Ti 340 18 100 t bar 8 771956 231223 SEABAL 2 0 47 167 007 683 396 3 833 7 056 7 056 5 295 4 573 85 75 23257 39 1802 973 0 043 0 8 SEAS Sta 0 657 0 8 SEABAL2 128082 36 572 209 112 2 18 1 14 14 76 0 Ti 340 18 100 t bar 8 771956 232 317 SEABAL 2 0 47 167 007 686 613 3 899 7 056 7 056 5 295 4 679 85 75 23257 39 1802 974 0 043 0 8 SEASSta 0 644 0 8 SEABAL2 128 082 38 806 209 112 13 1 15 16 425 0 12 370 20 100 t bar 3 971558 234 527 SEABAL 2 0 472 166 393 828 237 3 677 7 056 7 056 5 758 4 679 93 25 3130157 2308 581 0 034 0 8 SEAS Sta 0 604 0 8 SEABAL2 128082 31 342 209 112 20 1 16 17 27 0 12 370 20 100 t bar 3 971558 235 648 SEABAL 21 0 472 166 393 832 197 3 677 7 056 7 056 5 758 4 679 93 25 3130157 2308 581 0 034 0 8 SEASSta 0 615 0 8 SEABAL2 128 082 33 709 209 112 21 1 1815 0 12 370 20 100 t bar 3 971558 236 77 SEABAL2 0472 166 393 836 158 3677 7 056 7055 578 4679 9325 3130157 2308581 0035 0 8 SEAS Sta 0 616 0 8 SEABAL2 128 082 36 076 209 112 22 1 18 18 96 0 12 370 20 100 t bar 3 353
13. 7 056 4 697 4 679 76 063 18760 61 1496 937 0 048 1BAL2HSM 0 584 0 8 BALZSStz 34 306 1 562 223 189 3 40 2 5 4 32 2 35 Ti 300 18 100 t bar 8 671533 223 189 BALZSStz 0 522 103 209 659 221 5 717 7 859 7 056 4 697 4 679 76 063 18760 61 1436 837 0 043 1BAL2HSM 0 584 0 8 BAL2SSt 34 306 13 15 223 189 E 41 2 6 6 56 2 35 Ti 300 18 100 t bar 8 671533 223 189 BAL2S St 0 522 103 209 659 221 5 761 7 859 7 056 4 697 4 679 76 063 18760 61 1496 837 0 041 0 8 BALZSStz 0 584 0 8 BAL2SSt 34 306 18 965 223 183 9 42 2 7 7 38 235 Ti 300 18 100 t bar 8 671533 223 189 BAL25 5 0 522 103 209 659 221 5 784 7 859 7 056 4 697 4 679 76 063 18760 61 1496 837 0 041 0 8 BAL 2552 0 584 0 8 BAL2S 5 34 306 20 519 223163 g 43 2 8 82 2 35 300 18 100 t bar 8 671533 223 183 BAL2SSu 0522 103 209 659221 5806 7 859 7 055 4697 4679 76 063 18760 61 1436837 0 042 O8BALZSSt 0584 0 8 BAL2SSu 94306 22072 223189 44 2 3 3 84 2 35 300 18 100 t bar 8 671533 223183 BAL2SSu 0522 103209 659221 5 855 7 859 7 056 4697 4679 76 063 18760 61 1496 837 0 044 O8BALZSSt 0 584 0 8 BAL2SSu 94306 28 889 223189 45 2 10 10 66 2 35 300 18 100 t bar 8 671533 223183 BAL2SSu 0522 103203 653221 5 905 7 859 7 056 4697 4679 76 063 18760 61 1496 837 0 044 08BAL2SSu 0584 0 8 BAL2SSu 94 908 30443 223489 46 2 T 1148 2 35 300 18 100 t bar 8 671533 223183 BAL2SSu 0522 103 209 659221 5956 7 859 7 055 4697 4679 76 063 18760 61 1496 837 0045 0 8 2559 0584 0 8 2559 94906 31996 223489 47 2 12 13 12 2 35 300 18 100
14. 7 3 852 7 056 7 056 6 997 5 644 113 313 4789243 3093 91 0 173 0 8 SEAS Sta 0 806 1S5SEAHBALZ 148 087 72 551 68 84 32 1 28 215 7 7 12 450 18 120 t bar 1335008 125 735 SEABSPIF 056 107 179 1352747 3 583 7 056 706 6997 5 644 113 313 4789243 303391 0 173 0 8 SEAS Sta 0 87 1SEAHBAL 165 335 70288 58 66 33 1 29 215 86 12 450 18 120 t bar 8 1225654 116 686 SEABSPIF 0 624 11836 1326765 3 334 7 056 7056 7 004 5596 113 438 4475327 8762 337 0 182 0 8 SEAS Sta 0 77 0 8 SEABAL2 139663 72321 59 791 34 1 30 215 185 13 420 120 t bar 3 181153 107 636 SEABSPIF 0 635 129 541 1067 426 2 894 7 058 7 056 6 944 5 341 105 938 41597 09 11152 54 0 183 0 8 SEAS Sta 0 857 1SEAHBALZ 18983 56 021 38293 35 1 31 215 204 13 420 18 120 t bar 3 181153 98 587 SEABSPIF 0 604 140 722 1028 688 2851 7 056 7 056 86 944 5 341 105 938 41597 03 11152 49 0 181 0 8 SEAS Sta 0 708 0 8 SEABAL2 166 05 57 212 41692 36 2 1 0 82 2 35 20 200 flat 18 232358 220 5 TEST 0 54 97 73 183469 3543 7 859 10 604 4718 093 43747 0 053 1 HBAL 1HSt 0 58 lHBALIHSh 123 558 2 487 197 929 37 2 2 164 235 20 200 flat 18 232358 220 5 TEST 0 54 97 73 183469 3557 7 859 10 604 4718 093 43747 0 053 1 HBAL 1HSt 0 68 1HBALTHSh 123 558 3 911 137929 38 2 3 3 28 2 35 Ti 300 18 100 t bar 8 671533 223 189 BALZSStz 0 522 103 208 653221 5 573 7 859 7 056 4 697 4 679 76 063 18760 61 1496 837 0 048 1BAL2HSM 0 584 0 8 BAL2SStz 34 306 10 008 223 189 9 39 2 4 41 2 35 Ti 300 18 100 t bar 8 671533 223 189 BALZSStz 0 522 103 208 653221 5 695 7 859
15. 766 237881SEABAL2 0472 166 393 420 059 2007 7 056 706 5758 4679 9325 25807 69 151 854 0 033 0 8 SEAS Sta 0 529 0 8 SEABAL2 128 082 38 445 209 12 23 1 19 215 25 300 6 100 t bar 8 598 041 209 12 SEABAL2 0544 96 289 321919 2467 7 056 7 055 4677 4679 75 75 14107 82 1327 866 0 052 0 8 SEAS Sta 0 408 0 8 SEABAL2 92 789 45372 209 12 24 1 20 215 335 300 6 100 t bar 8 600276 209 12 SEABAL2 0584 83 888 60045 4544 7 056 7 056 4 681 4 679 75 813 16122 65 1935237 0044 0 8 SEASSta 0 483 0 8 SEABAL2 80 789 52446 209 12 25 1 21 215 42 300 6 100 t bar 8 600276 204 587 SEABAL2 0 623 71428 550133 4446 7 056 7056 4 681 4679 75813 16122 65 1935296 0 051 1 SEAOST2 0 405 0 8 SEABAL2 68 789 53 738 204 587 26 1 22 21 5 5 05 1 300 16 100 t bar 8 600 276 196 04 SEABAL 2 0 663 58 968 495 696 4 26 7 056 7 056 4 681 4 679 75 813 16122 65 1935 297 0 047 1 0572 0 328 0 8 SEABAL 2 56 789 54 814 196 04 27 1 23 21 5 5 3 Ti 300 16 100 t bar 8 591009 187 493 SEABAL2 0 702 46 508 223 632 2 225 7 056 7 056 4 681 4 673 75 813 13510 43 1231 008 0 052 0 8 SEAS Sta 0 334 1 5 5 2 86 642 42 421 143 85 28 1 24 215 7 12 150 flat 0 0 0 0 0 0 0 0 23 1 25 215 15 075 12 150 flat 0 0 0 0 0 0 0 0 30 1 26 215 15 3 12 450 18 120 t bar 1268 056 143 835 SEABSP1F 0 731 84 817 698 57 2 147 7 056 7 056 6 997 5 644 113 313 38719 65 6213 891 0 231 0 8 SEASSta 0 601 1 2 130 839 74 564 79 021 31 1 27 215 16 8 12 450 18 120 t bar 3 1335 009 134 786 SEABSPIF 0 695 95 998 1376 07
16. CSR for Bulk Carriers and Oil Tankers assessment within MARS mum BUREAU VERITAS Reference Harmonised Common Structural Rules for Bulk Carriers and Oil Tankers e Edition January 2015 DEV UG Mars2000 M007 rev3 l INIRODUG TION emm 1 2 OVERVIEW carte ese EA ENEE EEA EA EENEN ES 2 3 NEWDATAINPU riroraa aaa a E AE Ea a 2 Ji Basie 2 3 1 1 Activating 2 3 1 2 Notations and 2 3 1 3 Additional draughts for Bottom Slamming Assessment 3 3 1 4 GM and RRRTRPTE n 4 Sn Design Fatigue Le ene eee 4 42 Secuon s Input dala 2 a EE 5 3 2 1 Main Section 2 5 3 2 2 Effective spans of 6 3 2 3 Data for Fatigue evaluation 7 3 2 4 Fixed Simply supported input on stiffeners 9 3 2 5 Oil Tankers Primary Supporting Members 10 3 2 6 Tankers with longitudinal vertically corrugated bulkhead 10 3 3 Bulkhead Arrang
17. ITERIA Hull girder loads Section modulus and inertia check Yielding check Rule options Ultimate options Miscellaneous options VERTICAL WAVE BENDING MOMENT Rule value Ultimate strength check Pas qd E HULL SCANTLING Plating and longitudinal ordinary stiffeners Transverse ordinary stiffeners FATIGUE amp PSM OPTION Calculation performed in way of a transverse bulkhead Yes No Primary Supporting Members MISCELLANEOUS Shear gross Pressure Viewer 4 2 Results for Sections Here is just an overview of the CSH H results displays as they are greatly similar to what existed before in MARS 2000 It is recommended to turn to the MARS 2000 User Manual if more insight is needed 14 22 Bureau Veritas CSR H amp MARS 2000 M007 4 2 1 Results display gt Global Strength assessment They regroup the section moduli and the ultimate strength results if computed as well as the residual strength results if that option has been chosen Hull girder strength criteria Hull Girder Loads Section Moduli Ultimate Strength Net Gross Residual Strength Rule Actual atz BL Modulus at deck 28 99126 30 94250 m3 21 300 Modulus at bottom 31 40720 41 70188 3 0 000 Inertia 246 89250 378 34560 m4 Hull girder strength criteria Ultimate Bending Capacity kN m Calculated with net scantling with corrosion ma
18. c section modulus of bulb Ly Bottom slamming Ito epus Available stiffeners based on equivalent angle scantlings e Wash bulkheads not known Tank subject to sloshing Ch10 S4 No assessment of transverse stiffeners of sections BC ships specifics L Cargo hold side frames of single Net shear sectional area criteria expressed as eic ill Pt2 Ch1 S3 1 1 UCM es hear thickness Steel coils 532 L Transverse vertically corrugated watertight bulkheads separating Pt2 Chi S33 cargo holds in flooded conditions Pt Ch1 S6 Available i _ 0 l OT ships specifics All but horizontal stringers Available Rule values provided by MARS 2000 Primary Supporting Members in Pt2 Ch2 S3 1 Cargo Hold region 5 Vertically corrugated bulkheads Pt2 Ch2 32 Available 20 22 Bureau Veritas CSR amp MARS 2000 M007 Appendix B Dominant case labelling within MARS Local results represent each the worst case over several loading conditions design load sets and or load cases Here is how to understand the abbreviations Design load set pen Compartment number Load case 9 S D cases refer to CSR H Pt 1 Ch4 Sec 2 1 1 1 S cases identified by S S Sta or Sta in function of the display context The design load sets labelling in MARS 2000 is as follows MARS label M
19. d in accordance with Pt 1 Ch 5 Sec 1 3 4 6 File Edit Section Check Tools Help Panel 2 CORRUGATION BHD Distances along AS 2 Width 11 520 m Strakes Thickness 18 000 mm Material 51315 affect attached stiffeners Hole location Hole Breadth 0 000 m 0 000 m Tools gt fero 8150 Ellu 17 31 18 03 Panel 12 strk 40 v z 0 16 74 10 22 Bureau Veritas CSR amp MARS 2000 M007 3 3 Bulkhead Arrangement s Input data 3 3 1 Main Data For Bulk Carrier ships and as mentioned in Part 3 2 1 of this document it might be necessary to input the heights of the bulk cargo Bhaln Transverse Bulkhead CSR HSR SELECTED File Edit Bulkhead Arrangement Check Tools Help Main Bulkhead Arrangement Data Hold Flooding Hold volume excluding hatch coaming Vh 12424 000 m3 Volume enclosed by the hatch coaming 400 200 m3 Mn Transverse stool volume 0 000 m3 gt lel 5 111 gt Hl Hold volume excluding hatch coaming Vh 12411 000 m3 Volume enclosed by the hatch coaming 400 200 m3 Does the hold have a cylindrical shape C Yes No hc heights m if fully filled hold 17673 000 if partially filled hold in homogeneous 0000 if partially filled hold in alternate Mhd 0 1Mh 0 000 if partially filled hold in alternate Mhd 0 000 Warning If
20. eaning SEA HWBX Liquid pressure in test condiion SSS Pressure from distributed load carried on deck user input static load Pressure on accommodation deck static load 3 kN m IQ L Ballast liquid pressure in water ballast exchange condition st A 21 22 Bureau Veritas CSR amp MARS 2000 M007 Appendix C MARS 2000 computation of effective spans MARS 2000 works with an approximate method relative to the CSR H rules ref Pt 1 Ch 3 Sec 7 1 1 to evaluate the effective bending span g and the effective shear span Zsnr of mono span stiffeners Here is described how MARS 2000 proceeds For all stiffeners Effective bending span all dimensions in m hstif hstif f F F Lgr X 1 0 2 l 10 fbag t 1 T 2 Br1 max 2 1 Br2 max 2H Effective shear span all dimensions in m 5 snr 0 max 5 Lert 2 F Lgr 2 NOTE For longitudinal stiffeners of cross sections the total flat at ends input is used for value With e full stiffener length between supports e Neti stiffener height e F flat at start end of stiffener if any Ler X Heri dimensions of bracket at start end of stiffener if any e F flat at last end of stiffener if any e Lgo X Here dimensions of bracket at last end of stiffener if any 22 22
21. ement s Input 11 ids cem 11 3 3 2 Specific data for corrugated 11 3 3 1 Effective spans of mono span stiffeners 12 MM cl AST 13 4 1 Calculation options for Sections owes o ERA nix Sepa mennen 13 41 1 General Options si ceret estt tnnt a aaa TEENAA ENR 13 4 1 2 Specific assessment options nennen nnne nans 13 42 Results TOF De COINS EE 14 42l ROSU 15 4 2 2 Additional intermediate results 16 423 eee enn ene 18 4 3 Calculation Options and Results for Bulkhead Arrangements 19 APPENDIX A CSR H IMPLEMENTATION WITHIN MARS ecce rceeeeeeee enne 20 APPENDIX B DOMINANT CASE LABELLING WITHIN MARS eeeeee rere 21 APPENDIX C MARS 2000 COMPUTATION OF EFFECTIVE SPANS 22 1 Introduction This note presents the additional elements necessary to assess
22. esults with Notepad Database Make back up file on Save bak Default Data Path ata M 2000 n Restore Factory Settings Cancel The different export syntheses are available under the menu Tools gt Create result files 18 22 Bureau Veritas CSR amp MARS 2000 M007 Preferences Zoom Refresh section F9 Previous panel F5 Next panel F6 Copy to clipboard Ctrl B Debug b View results Create result files TXT for Excel Create result files F2 a Strake EPP Longitudinal stiffeners Strakes IACS Longitudinal stiffeners IACS Strakes amp Longitudinal stiffeners IACS Fatigue Intermediate results Pressure Viewer Values Hull Girder Ultimate Strength Plot Values G H J k N R Gj T V W X 2 AD AE AF AG ren 7 1FI type Tshr Net Ww Net Pw Ps WLoadCas Cs Sig hg WLoad ne TwShr net tMini0_ W Mini Fl tMiniProp w tMiniPropFT tMiniPropFil Inertia_Act Inertia Rule EtaBuck_O EtaBuck_O EtaBuck_O EtaBuck_S EtaBuck_S EtaBuck_S SigBuck_4 TauBuck_ Fat I 5 1 1 0 82 0 15 200 flat 13 175 744 181043 SEAFSM2 0 482 163 074 151 726 1 955 7 056 10 538 3625 847 536 63 0 09 1 5 2 0 58 1SEAFSM2 166 75 2 063 181 043 6 1 2 1 64 0 15 200 flat 13 175 744 182 153 SEAFSM2 0 482 163 074 152 657 1367 7 056 10 538 3625 847 595 69 0
23. ighg 6626 0 909 N mm Load Modulus Ww wi 2042 10 SEAHBAL 1 12810 pw 4380 2 185002 HBAL 1 5 1 ps 78 71 pw 38 32 KN m2 0810 Span 5 380 m Sigha 7245 ts 0770 N mm Span 5 980 mj spac 0910 Span 5460 m lt lt NB Modify data Modify data NOTE The dominant case labelling of the yielding checks is explained in Appendix B 4 2 2 Additional intermediate results The results prints and the view results files can provide additional result values Two examples will be given here gt All load cases values It might be of interest to check the non dominant load cases for a given element and a given criteria Several files give access to the complete set of load cases run They are available under the menu Tools gt View Results 16 22 1 Ps 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 150 829 Strake 1 Pw Type Bureau Veritas CSR amp MARS 2000 M007 Help Display always Preferences Zoom Refresh section F9 Previous panel F5 Next panel F6 Copy to clipboard Debug 4 View results gt View results Create result files TXT for Excel gt HH Velie oa EPP Buckling criteria Longi Yielding criteria L
24. ll Girder Bending assessment 5 Hull Girder Shear assessment MARS 2000 Ch5 12 Ch5 1 3 Ch5 1 3 4 amp 3 5 Available Based on direct calculation of the shear flow uncorrected shear force Available Shear correction for OT ships Expected 3 Quarter 2015 Available Hull Local Scantling Avilable e Mono span stiffeners with reduced end fixity assessed as continuous stiffeners and not by direct analysis e 55 1 1 4 not checked in MARS2000 Yielding for stiffeners Ch6 5 Buckling 4 Buckling capacity for buckling criteria e n section stresses not known in MARS 2000 e Ch8 55 22 5 Tripping brackets in way of adjacent plate panel not considered for Firan of transversely framed EPP of single side skin bulk carrier between the hopper and top Pt1 Ch8 S5 228 T3 Available L Plane Plate Panels wing tank Not in MARS Available Fatigue 4 Design fatigue life Ch9 S1 Symbols 721219 Pt1 Ch9 3 3 1 e Always computed with fwarp 1 e Ch9 S3 T1 No 1 no post weld treatment for connection types 31 amp 32 e No stress due to relative displacements for Available BC ships e Ch9 S4 T4 Note 2 not included L Fatigue stress range 5 Simplified stress analysis 1 Ch9 S4 Other Structures Fore part Ptt Ch10 51 Available The actual plasti
25. n the bottom slamming region are empty including all loading conditions with tanks inside the bottom slamming region that use the sequential ballast water exchange method Minimum full draught at FP m Design slamming draught at the FP defined as the minimum draught at the FP indicated in the loading manual for all seagoing conditions where all ballast tanks within the bottom slamming region are full including all loading conditions with tanks inside the bottom slamming region that use the flow through ballast water exchange method C Scantling Ballast Still Water Bending Moments Draughts Hoagaing condition 7500000 kN m Sagging condition 6000000 kN m Sees 0 000 Ship Ship behavior Both Hogging Sagging Min Sw B M in Hogging condition 0 kN m NOTE If these draughts are left empty no bottom slamming assessment will be performed within the database project 3 22 Bureau Veritas CSR H amp MARS 2000 M007 3 1 4 GM and roll radius The CSR H rules fix the values of GM and roll radius to be used ref Pt 1 Ch 4 Sec 3 Tables 1 amp 2 so it is not a necessary input for CSR H databases Basic Ship Data 2000 Oil tanker Demo CSR HARMONIZED SELECTED c ehem File About Mars a3 General Scantling Ballast Notations amp Main Data Still Water Bending Moments Draughts Hoaging condition 7500000 kN m Bow Flare Scantling draught Sagging conditi
26. ng pressures ref Pt 1 Ch 10 Sec 4 Table 2 longitudinal stiffeners only 9 22 Bureau Veritas CSR amp MARS 2000 M007 3 2 5 Oil Tankers Primary Supporting Members Please refer to the Memo CSR for Oil Tankers Primary Supporting Members Assessment with MARS reference DEV UG Mars2000 M006 regarding the input of PSM ring _ J Marsin2000 demo section tanker ma2 Midship section n 1 CSR HSR SELECTED WW gt ile Edit Section Check Tools Help Transverse Primaries Structure Arrangement Ill 1 CL BHD Ve t Web in one side 2 Primaries Brackets 1 DS Side Transverse 2 ST Floor 4 ST Deck Transverse Panel 8 Longitudinal Bulkhead v 43 Start Node 11 14 Vertical Web on Longi Bh in Starboard Tank Scantling Dimensions Material ST315 r Scantling at Mid Span amp MidT ank Web 2900 0 x 155 my Flange 300 0 23 0 gt Iolo Bleue Evaluate Delete All 3 2 6 Oil Tankers with longitudinal vertically corrugated bulkhead 22 03 28 51 x In case there is a longitudinal vertically corrugated bulkhead on the cross section the plate thickness to input is order for MARS 2000 to compute the correct shear flow ref Pt 1 Ch 5 App 1 1 2 1 is the equivalent gross thickness defined by Se deduce
27. ns Left 28 Foot cm jae ron Arar f All None Geometric Properties Met Global Strength Criteria Strakes Lonaitudinale Transverse Stiffeners Additional Buckling Criteria Fatique Ship Motions and Acceleration Hull girder ultimate strength Plot Values used to evaluate bulk pressures Preview Cancel 17 22 Bureau Veritas CSR amp MARS 2000 M007 h values as computed by default at section s x 129 42 m he if fully filled hold he homogeneous loading condition if partially filled hold h alternate loading condition if partially filled hold with M o 0 1 he alternate loading condition if partially filled hold with M o h values as used in the bulk pressure computations he if fully filled hold he homogeneous loading condition if partially filled hold h alternate loading condition if partially filled hold with M o 0 1 h alternate loading condition if partially filled hold with M o 4 2 3 Export of results It is possible to export to Excel a synthesis of the results under several templates First for convenience the setting to directly open the export file into Ms Excel can be activated through the menu Tools gt Preferences Display always Preferences foom Refresh section Inputs TUUS D efault circle radius 15 Results View E sport r
28. on 6000000 kN m 22000 m Materials Frame Locations m Ship TRUE Ship behavior Both Hogging Sagging Min SW B M Hogging condition 0 kN m Calculations amp Print GM transverse 2 0 000 m aleeifation delta 3 1 5 Design Fatigue Life For fatigue assessment it is possible to input the Design Fatigue Life ref Pt 1 Ch 9 Sec 1 Symbols Basic Ship Data 2000 Oil Tanker Demo CSR HARMONIZED SELECTED About Mars S Notations amp Main Data Identification Miscellaneous Moments amp Draughts Name Standard for bulb plate DIN Materials Builder Bilge keel Yes C Frame Locations Hull Number Design fatique life 30 years Description job Demo Section Calculations amp Print gr ET Ies Section number NOTE If this field is left empty the reference minimum of 25 years will be taken as Design Fatigue Life within the calculations 4 22 Bureau Veritas CSR H amp MARS 2000 M007 3 2 Section s Input data The objective of this document being to highlight the new inputs needed for a proper CSH H assessment it is recommended to refer to the MARS 2000 User Manual as the basic input process will not be explained hereafter 3 2 1 Main Section Data Flooding and Harbour conditions It is necessary to input some still water bending moments and shear forces for each section
29. ongi Buckling criteria Trans Yielding criteria Trans Buckling criteria E P P 1 zc 0 000 TLoad 8 659 9 853 8 53 9 461 8 328 10 13 8 887 8 136 8 761 8 277 9 294 8 202 9 229 8 274 8 452 9 242 8 478 9 164 9 108 8 18 9 037 8 213 9 872 Spac 0 820 Span 1 365 Yc 0 820 NCase SigX1 Taul HSM1 173 867 HSM2 166 75 HSA1 143 289 HSA2 137 731 FSM1 173 867 FSM2 166 75 BSR1P 79 94 BSR2P 77 606 BSR1S 80 247 BSR2 77 913 BSP1P 112 71 BSP2P 108 713 BSP1S 112 71 BSP2S 108 713 OST1P 124 629 OST2 120 111 OST1S 121 178 OST2S 116 66 OSA1P 95 641 OSA2 P 98 859 14 801 SEA OSA1S 92 765 14 801 SEA 2 5 95 983 5 Sta 132 997 20 439 SEA 20 439 SEA 16 351 SEA 16 351 SEA 30 22 SEA 30 22 SEA 12 983 SEA 12 983 SEA 8 267 SEA 8 267 SEA 18 204 SEA 18 204 SEA 15 872 SEA 15 872 SEA 14 073 SEA 14 073 SEA 12 345 SEA 12 345 SEA 16 566 SEA 16 566 SEA gt Heights of bulk cargo for Bulk Carrier ships As mentioned in Parts 3 2 1 amp 3 3 1 of this document it might be necessary to transfer some values between sections The values that need to be retrieved from the appropriate sections are available in the results prints under the option Values used to evaluate bulk pressures Bylo Print Results Options Miscellaneous Printer POF Creator Start page Margi
30. or Bulk Carrier ships Two additional data are required for the fatigue calculations linked to the ballast hold e Inthe Hold data of the Main Section data it is necessary to define whether the current section is in way of the ballast hold in a hold adjacent to it or not This is needed for the evaluation of the fraction of permissible still water vertical bending moment ref Pt 1 Ch 9 Sec 4 3 2 1 Main Section Data Wave Floo Har conds Flooding Dimensions Hold volume excluding hatch coaming Vh 0 000 Volume enclosed by the hatch coaming 501 060 Transverse stool volume 246 500 Does the hold have a cylindrical shape Yes No Ok Cancel e For sections in way of the ballast hold in the compartment dimensions data it is necessary to input the value of the length of the hatch coaming in order to calculate the longitudinal ullage factor of the liquid dynamic pressures for the fatigue check ref Pt 1 Ch 4 Sec 6 1 3 1 8 22 Bureau Veritas CSR H amp MARS 2000 M007 Yi Compartment HOLD Dimensions Length 27 300 X start from 115 770 23 Breadth 43 000 Height 2 150 Xg from AE 128 420 94 1 Do computations with user defined values Zmin BL 2 350 Yg 0 000 Ztop BL 23 500 Zg 11 950 Is there a hatch coaming in the compartment Yes No Half breadth of hatch coaming 9 500 Length of hatch coaming 17 29
31. p Data 3 1 1 Activating the CSR H Since version 2 9a of MARS 2000 new databases created for ships having the service notation Bulk Carrier CSR or Oil Tanker CSR will be assessed according to the CSR H rules Basic Ship Data 2000 Oil Tanker Demo HARMONIZED SELECTED E EREE X j File About Mars General Scantling of Oil Tanker CSA is checked according to CSA for Bulk Carriers and Oil Tankers Harmonized Notations central and aft parts fram ME Dil Tanker CSR Afterpeak bulkhead 6 300 m 24 Moments amp Draughts Navigation Unrestricted navigation Notations amp Main Data Mataia Apply CSR Edition July 2012 Colision bukhead 158 020 m 2 Frame Locations Depths Databases created before version 2 9a will keep their assessment under CSR old rules or CSR H according to how they have been defined NOTE To check a newly created database under the CSR BC or CSR OT rules tick the Apply CSR BC OT Edition July 2012 option 2 22 Bureau Veritas CSR amp MARS 2000 M007 3 1 2 Notations and Main Data The great majority of the notations and main data are the same as every other MARS 2000 database However two inputs can be pointed out at this level e For Bulk Carrier ships for the additional class notation Grab there is a minimum grab weight function of the rule length of ship in the CSR H rules ref Pt 1 Ch 1 Sect
32. possible from any given rule set As a consequence it is sought after to ensure a two way compatibility between older databases and newer ones as well as within a database given a different rule set This means that compared to the provided list of connection types with the CSR H ref Pt 1 Ch 9 Sec 4 Table 4 e Watertight and non watertight equivalent types are regrouped e Some types are divided according to bracket size e There is a Heverse connection information in order to adapt the current detail according to MARS 2000 convention In that respect MARS 2000 follows CSR Bulk Carrier convention a Aft P Fore which means regarding the CSR H convention that the B is Aft whether A is Fore Panel 1 SHELL 340 0x11 0 100 0x18 340 0x11 0 100 0x18 340 0x11 0 100 0x18 I T 340 0x11 0 100 0218 T T T oo Connection COR 11 Small Bracket Reverse Connection 00 Collar Plate Watertight fe Aft f Far CSA m Fore xf Far CSR m It is possible to check through the Details button if the concentration factors displayed and later used are those expected 7 22 Bureau Veritas CSR H amp MARS 2000 M007 lt lt CSR 11 Small Bracket lt lt CSR H 11 Small Bracket gt Dk Cancel gt Additional fatigue data f
33. rgin 0 5 Mu Ultimate Mb x Hogging 12031540 Navigation 8750213 7760548 88 69 Hogging Sind 9705924 8823 567 8100 707 91 81 Sagging Harbour 8750213 7277483 8317 Hogaing 8 823 567 7 586499 8538 Sagging Flooded 8750213 7552439 8631 Hogging 8823567 8330565 9441 Sagging The hull girder ultimate bending moment capacity is calculated with a code developed by the Technical University of Szczecin Close The residual strength is a new result display needed for CSR H rules It provides a synthesis over all damage cases run as well as the results values and a sketch of the section for each damage case Hull girder strength critena Hull Girder Loads Section Moduli Ultimate Strength Ne D Residual Strength C worst cases Collision Growding Centered Grouding Lateral r EAEE Hogging Sagging M LD 29 524 220 18 756 Ultimate 23203 940 17 051 490 M D 14 33 470 13457 220 390 7892 The hull girder ultimate bending moment capacity is calculated with cade developed by the Technical University of Szczecin Close 15 22 Bureau Veritas CSR amp MARS 2000 M007 Local criteria They regroup the minimum scantlings yielding and buckling checks as well as the local expression of the hull girder strength criteria or any other specific criteria plate thickness under grab requirement for Bulk Carrier ships
34. t bar 8 671533 223 189 BAL2SSu 0522 103 209 653221 6 058 7 859 7 056 4697 4679 76 063 18760 61 1496 837 0 048 08BAL2SSu 0584 0 8 BAL2SSu 94306 41159 223489 48 2 13 34 2 35 1 300 18 100 t bar 8 671533 223 189 BAL2SSu 0522 103 209 659 221 6 103 7 853 1 056 4 697 4679 76 063 18760 61 1496837 0 048 0 8 BAL2SSu 0584 0 8 BAL2SSu 94306 42 713 223489 43 2 14 14 76 2 35 Ti 300 18 100 t bar 8 671533 223 189 BALZSStz 0522 103 209 659 221 6 16 7 859 7 056 4 697 4 679 76 063 18760 61 1496 837 0 049 0 8 BAL 2551 0 584 0 8 BAL 2S 5 94 906 44 266 223 189 g 50 1 16 188 2 958 Ti 320 18 100 t bar 8 731762 217 074 BALZSStz 0 554 33 137 737 789 5 004 7 936 7 056 5 005 4 679 81063 21719 4 1824 696 0 045 0 8 BAL2SStz 0 517 0 8 BAL 2S 5 86 321 58 487 217 074 T 51 3 2 16 736 3 556 Ti 320 18 100 t bar 8 728 222 314 388 HBAL1BSF 0 833 52 686 71 287 5 929 7 839 7 056 5 005 4 679 81 063 21425 77 1751372 0 042 0 8 BAL2SSt 0 45 0 8 2551 77 736 62 712 210 96 t 52 3 3 17 404 4 174 Ti 320 18 100 t bar 8 728 222 309 516 HBAL1BSF 0 846 48 522 689 321 5 837 7 839 7 056 5 005 4 679 81063 21425 76 1751371 0 04 0 8 BAL2SSt 0 531 1BULKHF1C 100 541 48 735 112 63 1 53 4 15 012 4 782 Ti 320 18 100 t bar 8 728 222 304 644 HBAL 1BSF 0 859 44 356 668 031 5 745 7 839 7 056 5 005 4 679 81 063 21425 76 1751 37 0 038 0 8 BAL2SSt 0 495 1 BULKHF 1C 93 885 43 573 108 182 3 54 3 5 18 621 5 391 Ti 320 18 100 t bar 8 728 222 299 772 HBAL 1BSF 0 872 40 194 647 387 5 653 7 838 7 056 5 005 4 679 81
35. t relevant and therefore disabled 4 Results 4 1 Calculation options for Sections 4 1 1 General Options Before running the assessment of a section it is possible to choose over several checks and calculations to be performed Compute section CSR Harmonized Geometric properties As built section January 2015 HULL GIRDER STRENGTH CRITERIA Rule options Ultimate options Miscellaneous options Hull girder loads Section modulus and inertia check Yielding check an Input of design still water shear force Ultimate strength check SHEAR FORCE taken into account HULL SCANTLING TORGUE Transverse ordinary stiffeners Structural details Fatigue Primary Supporting Members Load cases for hull scantling MISCELLANEDUS cases 2 Shear gross scantling Pressure Viewer Cancel 4 1 2 Specific assessment options Two sets of options need to be highlighted in the CSR H rules context gt Residual Strength options Associated to the Ultimate Strength check it is possible for a given section to run in addition several cases of Residual Strength For sections defined over a half section the damages will be automatically applied It is possible to store a copy of the damaged section as a new section in the current MARS 2000 database 13 22 Bureau Veritas CSR amp MARS 2000 M007 HULL GIRDER STRENGTH CRITERIA r Ultimate
36. tiffener this approximation is not accurate enough to perform the assessments it is possible to overwrite the effective spans values used by the software For longitudinal stiffeners Scantling Special Brackets Material def 51235 Total flat width at ends 0 000 m User values of effective spans Lbdg sh 0 000 m Efficiency panel special 100 Aft support Fore support Fixed Fixed C Simply supported C Simply supported gt For transverse stiffeners Scantling Start End Eff Spans User values of effective spans bdg m shr 0 000 m In the Special tab of the longitudinal stiffeners form tick the checkbox User values of effective spans to input the values wanted NOTE if this option is used but one of the effective span values is left equal to 0 MARS 2000 will use its default value instead For transverse stiffeners this information is contained in the Eff Spans tab NOTE if this option is used but one of the effective span values is left equal to 0 MARS 2000 will use its default value instead 6 22 Bureau Veritas CSR amp MARS 2000 M007 3 2 3 Data for Fatigue evaluation Connection data It should be noticed at first that the three Common Structural Rules don t have the same convention as shown in the following example CSR Bulk Carriers CSR Oil Tankers Within MARS 2000 data is made as independent as
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