船舶結(jié)構(gòu)規(guī)范計(jì)算書

1、2.1 概述1）本船為單甲板，雙層底全焊接鋼質(zhì)貨船；貨艙區(qū)域設(shè)頂邊艙和底邊艙。貨艙區(qū)域主甲板、頂邊艙、底邊艙及雙層底為縱骨架式結(jié)構(gòu)，其余為橫骨架式結(jié)構(gòu)。船舶結(jié)構(gòu)規(guī)范計(jì)算書（2）本船結(jié)構(gòu)計(jì)算書按CCS鋼質(zhì)海船入級(jí)規(guī)范（2006）進(jìn)行計(jì)算與校核。3）航區(qū)：近海4）結(jié)構(gòu)折減系數(shù)： 0.952.2 船體主要資料總 長(zhǎng) Loa96.235m水線間長(zhǎng)LW192.780m兩柱間長(zhǎng)Lbpp89.880m14.60m7.000m設(shè)計(jì)吃水 D5.600m計(jì)算船長(zhǎng) L不小于 0.96Lwl=73.344m, 不大于 0.97Lwl = 89.997m取計(jì)算船長(zhǎng) L = 89.900m艉 Fr8, Fr127 0.6

2、0m290.650mFr8 Fr127縱骨間距甲板及雙層底下0.600.70m頂邊艙及底邊艙0.600.80m標(biāo)準(zhǔn)骨材間距sb =0.0016+0.50.644m方型系數(shù)Cb（對(duì)應(yīng)結(jié)構(gòu)吃水）0.8207.704系數(shù) C = 0.412L+4fb=.Fb =1.00fd = . Fd =1.00主尺度比L/B=6.158 5B/C=2.09 0.6b 2=12.60 mLb2 /B=0.863 0.6h1=25.35 mLH1 / Lh2=25.60 mLH2 / LLBH=32.20mbh1=0.726 0.7LBH2=33.60mbh2=0.750 0.7本船貨艙開口為大開口 .主機(jī)功率15

3、44kW2.3 外板計(jì)算(2.3.1)2.3.1船底板(1)船腫部0.4L區(qū)域船底板厚t應(yīng)不小于下兩式計(jì)算值：(2.3.1.3)t1 =0.043s(L 230) Fb = 8.86mm t2 =5.6s,(d h|)Fb = 9.35mm式中：s縱骨間距，取0.644mL船長(zhǎng)，取89.90mFb折減系數(shù)，取1d吃水，取5.60m h1 h1 =0.26C =2.003 且 h1M 0.2d =1.120m,取 h1 = 1.120實(shí)取 t = 10 mm(2.3.1.4)(2)艄、艇部船底板在離船端0.075L區(qū)域船底板厚t應(yīng)不小于下式之值:t =(0.035L 6) s = 9.19mm,

4、Sb式中：L船長(zhǎng)，取89.90ms縱骨間距，取0.650mSb 縱骨的標(biāo)準(zhǔn)間距，取 0.644m實(shí)取t=10mm2.3.2 平板龍骨(2.3.2)平板龍骨寬度b應(yīng)不小于下式之值：b = 900 3.5L = 1214.65 mm(2.3.2.1)t =t底 +2 = 11.35 mm(2.3.2.2)式中：L船長(zhǎng)，取89.90m實(shí)取平板龍骨 b=1800mm t = 12mm2.3.3 毗列板(2.3.3.1)毗列板處為橫骨架式，其厚度應(yīng)不小于船底板厚度(2.3.1.2)1t1 = 0.072s-(L 170). Fb = 11.58 mmt2 =7.0s(d%)Fb = 11.79 mm式中

5、：E = 1+(s/S) 2 = 1.0050,其中，S為船底桁材間距，取2.900ms縱骨間距，取0.650mL船長(zhǎng)，取89.90mh1 h1 =0.26C =2.003 且 % W 0.2d =1.120m,取 加 = 1.120Fb折減系數(shù)，取1實(shí)取 t=12 mm2.3.4 舷側(cè)外板(1) 3D/4以上及頂邊艙與底邊艙間橫骨架式舷側(cè)外板厚度應(yīng)不小于按下列三式計(jì)算所得之值:(2.3.4.3、8.3.2.1)11t1 -0.073s-(L 110) , Fd = 9.49 mmt2 =4.2s., (d h2) = 7.53mmt3 = L = 9.48mm式中：E = 1s 肋骨間距，取

6、 0.644mL船長(zhǎng)，取89.90md結(jié)構(gòu)口g水，取5.60mFd折減系數(shù)，取1h2 h2 =0.5C =3.852 且 h2 0.36d =2.016,實(shí)取t=14mm(2)距基線Id以下舷側(cè)外板厚度t不小于下式：(2.3.4.2)41t1 -0.072s-(L 110). Fd = 8.80mmt2 =6.3s. (dh)Fb = 10.62mm式中：E = 1s肋骨間距，取0.644mL船長(zhǎng)，取89.90md結(jié)構(gòu)口水，取5.60mFb折減系數(shù)，取1h 1 幾=0.26c=2.003, 且 h1 0.2d =1.120,實(shí)取 t=12mm1.1.5 舷頂列板寬度 b = 800+5L =

7、1249.5取 h2 = 2.016取 h1=1.120(2.3.6.1)t1 =0.06s(L 110), Fd =7.72 mm t2 =0.9s. (L 75) = 7.44mm式中:S=0.644 mFd=1實(shí)?。簍=14mm1.1.6 局部加強(qiáng)(1)與尾柱連接的外板、軸包處的包板：(2.3.6.1)t =1.5。卜=14.025mmt =牖=9.35mm實(shí)取 t=16mm(2)錨鏈管處外板應(yīng)予加強(qiáng)：(2.3.6.2)t=t外+2= 11.35mm實(shí)取 t=14mm2.4 甲板計(jì)算2.4.1 強(qiáng)力甲板(1)船中0.4L區(qū)域縱骨架式甲板，不小于下式之值：(2.4.2.1)t1 =0.06

8、s(L 110) , Fd = 8.40 mmt2 = 0.9s , L 75 = 8.09 mm式中：s縱骨間距，取0.70mL 船長(zhǎng)，取 89.90mL1二L,取 89.90mFd 折減系數(shù)，取1實(shí)取 t=14 mm(2)開口線以內(nèi)及離船端 0.075L區(qū)域內(nèi)強(qiáng)力甲板t不小于下式之值(2.4.2.2)t2 =0.9s. L 75 = 7.51 mm式中：s 橫梁間距，取 0.65 mL船長(zhǎng)，取89.90m實(shí)取 t = 10 mm2.4.2 甲板邊板（2.4.3.1）船中部0.4L區(qū)域，甲板邊板寬度，b之6.8L+500 = 1111.32 mm厚度t不小于強(qiáng)力甲板厚度實(shí)取 甲板邊板t x

9、b = 14 m20002.4.3 平臺(tái)甲板厚度t應(yīng)不小于下式之值：t = 10s = 6.50 mm式中：s骨材間距，取0.650m實(shí)取t = 8mm(2.4.5.2)2.4.4 甲板開口(2.4.4.2)貨艙及機(jī)艙開口的角隅采用拋物線，貨艙角隅板實(shí)取t=14mm機(jī)艙角隅板實(shí)取t=10mm2.4.5 開孔平臺(tái)(2.15.1.11)日首尖艙設(shè)開孔平臺(tái)開孔平臺(tái)甲板開孔面積a = 0.1A = 0.07m式中：A = 0.700 m實(shí)取:a = 10.8 m開孔平臺(tái)甲板厚度t= 0.023L + 5 = 7.07 mm實(shí)取:t = 8mm開孔平臺(tái)甲板橫梁的不連帶板的剖面積（隔檔設(shè)）A = 0.13

10、L + 4 = 15.69 cm 22實(shí)取：L100x63x8 ( 每檔設(shè))A= 25.20 cm(8.6.2.1)2.4.6 頂邊艙斜板斜板厚度t應(yīng)不小于按下列兩式計(jì)算所得之值，且應(yīng)不小于8mm:t1 = 4sh + 2.5 = 8.93 mmt2 = 12s = 9.34 mm式中：h = h icos 0 + bisin 0 = 2.8 x cos30 0 + 3.7x sin30 0 = 4.275s = 0.778 m實(shí)取:t = 10mm2.5 雙層底結(jié)構(gòu)2.5.1 中桁材(2.6.2.12.6.2.3)中桁材高度 h0 =25b 42d 300 = 900.2 mm中桁材厚度 t

11、 =0.0077 h0+3 =9.93 mm式中：B=14.6m d=5.6mh0=900.2mm 700mm實(shí)取 h0 =1050 mm t=12mm2.5.2 旁桁材(2.6.10.2, 2.6.4.1)t =0.0077 h0+1 =6.93mm實(shí)?。簍 = 10mm加強(qiáng)筋兩端削斜其厚度與肋板相同，寬度為肋板高度的1/10B = 0.1 h0 = 90.02 mm實(shí)?。簍=10mm b=100mm2.5.3 實(shí)肋板(2.6.11.2, 2.6.5.1)(1)在機(jī)艙區(qū)域，至少每個(gè)肋位上應(yīng)設(shè)置實(shí)肋板，貨艙區(qū)每四肋位設(shè)置實(shí)肋板。貨 艙區(qū)實(shí)肋板厚度不小于下式值t =1.1(0.0077 1) =

12、8.72mm式中：h0 雙層底計(jì)算高度，取900.2mm垂直加強(qiáng)筋的厚度等于肋板厚度，寬度不小于1.65L = 148.34 mm實(shí)?。簍=10mm b=150mm(2.6.11.3)(2)水密實(shí)肋板t = 0.0077h0 3 =8.93mm實(shí)取:t=10mm加強(qiáng)筋兩端削斜，其剖面模數(shù)2= 5.5shl =24.753cm式中:s=0.60mh=7.5ml = 1.0 m實(shí)取 10x200W=172.59 cm2.5.4內(nèi)底板(1)船中部0.4L區(qū)域(2.6.13.1,2.6.9.1)t =0.04L 5S 1.1 =7.70 mm式中：s 肋骨間距，取0.6mL船長(zhǎng)，取89.90m實(shí)取 t

13、 = 14mm2.5.5縱骨架式船底縱骨(2.6.12, 8.5.3.1)縱骨位置fh1s(m)l(m)W3 cm系數(shù)aW=c W3cm實(shí)取W3 cm船中船底縱骨11.120.61.95140.131140.13L140x90x8143.8內(nèi)底縱骨11.120.61.95140.130.85119.11L125x80x10133.4W=8.5f(d+h1)sl 2/(1.73-F b)W=9shl2式中：d=5.60m F b=0.82.6機(jī)艙區(qū)域船底構(gòu)件2.6.1單層底肋板(2.5.4.1)高度h = 42(B+d)-70 = 778.4 mm厚度t = 0.01h+3=10.78 mm2面

14、板剖面積 A=4.8d-3=23.88 cm式中：B一船寬，取14.60m d 一吃水，取5.6m實(shí)取: 12x1500/16x150 A=24 cm縱桁的腹板厚度匕=0.7t =16.17 mm橫隔板厚度t2 =0.8t二12.94mm2.6.3 雙層底肋板t=0.0077 h0+1.0=6.99mm2.6.4 水密實(shí)肋板厚度 t=t+2=9.78mm2.6.5 內(nèi)底板厚度 t=0.055L+4.8=9.74mm2.6.6 船腦底部加強(qiáng)(1)加強(qiáng)區(qū)域加強(qiáng)區(qū)域端線距1T垂線的長(zhǎng)度Cb “ _X = (0.65 -)L = 22.48 m2式中： L 船長(zhǎng)，取89.90mCb 方形系數(shù)，0=0.

15、8200.8,取 C =0.802.6.2 主機(jī)座縱桁(2.16.1.3) 水平面板厚度t =1.443 P 10s=23.10 mm式中：s=0.65m P=1544 KW實(shí)取 t=24mm實(shí)取t=16mm 實(shí)取t=14mm(2.6.5.1)實(shí)取t=10mm(2.6.6.1)實(shí)取t=10mm(2.6.9.1)實(shí)取t=10mm(2.15.3.1)實(shí)船加強(qiáng)區(qū)域:Fr102 .橫向加強(qiáng)區(qū)域的邊線距基線的高度h=0.014B=0.2m式中：B 船寬，取14.60m(2)船底縱骨(2.6.12.2)船底縱骨的最大間距不大于1m,剖面模數(shù)w,應(yīng)不小于按下式計(jì)算所得之值8.5 f2W =(d h1)sl

16、=68.51 cm1.73- Fb式中：s 縱骨間距，取0.6m1 縱骨跨距，取1.95md吃水，取 5.60mf 系數(shù)，取1Fb 折減系數(shù)，取1h1 h1 = 0.26c =2.003 且 h1 W0.2d=1.12實(shí)取 L140x90x8(W=143.80crrj)船底板艄部船底板厚度t應(yīng)不小于按下式計(jì)算所得之值:(2.15.3.5)t-&(1.8-26邑)s e1L 、式中：L船長(zhǎng)，取89.90md1航行中的最小首吃水，取2.5mC-一系數(shù)，取 7.3+0.081L=14.58sCC1=1.2 - 一式中：s = 0.6m, l = 1.3m2lC1 =0.97 1 M C1 =0.97

17、s縱骨間距，取0.6 msb 縱骨的標(biāo)準(zhǔn)間距，取 0.644me縱向位置修正系數(shù)，詳見下表，表中 f = X / L , L=89.90m, X=22.48位置et (mm)從距首垂線(X-0.125L)m 至距首垂線X之間：2f -1e = f- =0.670.05 -cb12.03從首垂線至距首垂線(X-0.2L)m 之間：e=0.5 + f=1.13 0.9 - cb25.46其余位置e = 114.70接近海航區(qū)折減t=0.95t =24.19mm實(shí)?。簍=25mm2.6.7腦尖艙加強(qiáng)(1)肋板、中內(nèi)龍骨h=85D 140=735mmt =0.03L 6=8.70mmA = 1.5 0

18、.85B=18.62 cm2L=89.90m B=14.6m(2.15.1.1 )(2.15.1.2 )(2.15.3.4 )肋板腹板高度腹板厚度面板剖面積式中：D=7.0m實(shí)取10x1050/12x150 A=182 cm中內(nèi)龍骨10x1050/12x150(2)開孔平臺(tái)(2.15.1.11 )(1)開孔平臺(tái)甲板開孔面積應(yīng)不小于總面積的10%式中：A=25.8 m實(shí)取 a=2.68 m a=0.1A=2.58 m2(2)開孔平臺(tái)厚度t = 0.023L+5=7.07mm實(shí)取 t=8mm開孔平臺(tái)板橫梁的剖面積一 一一一 2A = 0.13L 4 =15.69 cm實(shí)取 L10063 8A=25

19、.2 cm2(2.15.4.1 )2.6.8腥尖艙加強(qiáng)實(shí)肋板厚度t= t腦+1.5=10.20mm實(shí)取 10x800/12x1502.7舷側(cè)構(gòu)件2.7.1 肋骨(1)除始艇尖艙外，主肋骨的剖面模數(shù)w及剖面慣性矩I應(yīng)不小天按下式計(jì)算所得值 (2.7.2.1,2.7.2.7)W1 =CC1sdl2cm3I=3.2Wl cm4始艇尖艙肋骨剖面模數(shù)Wft剖面慣性矩I應(yīng)分別不小于按下列兩式計(jì)算所得之值(2.7.2.8)34Wi = 4.6sdD cm I=3.5W l cm深艙肋骨剖面模數(shù)Wffi剖面慣性矩I應(yīng)分別不小于按下列兩式計(jì)算所得之值:(2.13.6.1)234W2 =7shl cm I=3.5

20、W l cm式中:C=1 d=5.6m D=7.0m肋骨位置Cs(m)l(m)h(m)W3 cmW3 cmI4 cm機(jī)艙4.4360.653.000145.321395.10深艙 Fr24294.4360.653.004.20167.12171.991754.77深艙 Fr1271335.5990.652.655.26164.09167.561551.80貨艙3.0190.654.300203.1903058.12艄尖艙3550平臺(tái)下0.602.505.37124.42140.961233.42艄尖艙5600平臺(tái)下0.602.053.10124.4254.72892.72艄尖艙5600平臺(tái)上0

21、.602.052.10108.1937.07776.28艇尖艙Fr40.603.302.20124.42100.621162.20實(shí)取:機(jī)艙L140x90x10W=173.53 cmI=26784 cm深艙 Fr2429L140x90x10W=173.53 cmI=26784 cm深艙 Fr127133L140x90x10W=173.53 cmI=26784 cm貨艙L160x100x10W=224.83 cmI=29984 cm日首尖艙 3550 平臺(tái)下8x200/10x100 W=293.53 cmI=47094 cm日首尖艙5600平臺(tái)下 L140x90x8W=143.83 cmI=17

22、544 cm日首尖艙5600平臺(tái)下 L140x90x8W=143.83 cmI=17544 cm艇尖艙54L140x90x8W=143.83 cmI=17544 cm(2)甲板間肋骨的剖面模數(shù)不小H 式之值：(2.7.2.9)W1 =CC1sdl、. D cm3式中：C 系數(shù)，取C = 0.7+4 =3.90 D始艇尖艙肋骨剖面模數(shù)幃口剖面慣性矩I應(yīng)分別不小于按下列兩式計(jì)算所得之值(2.7.2.8)W =4.6sdDcm3I=3.5W l cm4深艙肋骨剖面模數(shù)Wffi剖面慣性矩I應(yīng)分別不小于按下列兩式計(jì)算所得之值(2.13.6.1)234W2 =7shl cm I=3.5W l cm肋骨位置

23、Cs(m)l(m)h(m)WWI3 cm3 cm4 cm機(jī)艙1.000.652.700101.41-876.1783樓0.900.602.40074.89-57.1325IM#0.800.602.60072.11-599.9839深艙 Fr24291.000.652.701.35101.4144.78958.3201深艙FU27133下甲板間1.100.652.053.1084.7059.28607.6919深艙FU27133下甲板間1.000.652.001.0075.1218.20525.8272L125x80x8L160x100x10L125x80x8L125x80x8機(jī)艙船樓艇樓深艙

24、Fr2429深艙FU27133下甲板間深艙FU27133上甲板間(3)機(jī)艙區(qū)域強(qiáng)肋骨2W =5shl =614.25式中：s=3.25mW=114.8W=223.9W=114.8W=114.8L125x80x8 W=114.8L125x80x8 W=114.83 cmh=4.2ml實(shí)取：8x450/10x100 W=921 cm3甲板間強(qiáng)肋骨W = 3.5sdl . D =455.04 cm3式中:s=3.25md=5.60mD=7.0m實(shí)?。?x300/10x100 W=531 cm3(4)貨艙區(qū)域主肋骨主肋骨腹板厚度：t = 7.0+0.03L = 9.70 mmcm3I=1290cm4c

25、m3I=2944cm4cm3I=1290cm4cm3I=1290 cm4cm3I=1290cm4cm3I=1290cm4(2.7.4.4)=3.00ml =2.70m(8.3.3.3, 8.3.3.4)實(shí)取:式中:L=89.90m d=5.60m主肋骨剖面模數(shù)： W =5.8sh1l2= 285.80 cm3式中:s=0.65mh1=4.1ml =4.30m2Wi =10shl8.5 oW2 = sh1l(8.3.5.1,8.3.3.4)(8.6.3.1,2.7.5.1)實(shí)取 L180x110x12 W=278.5cm3主肋骨腹板的高度和厚度之比為180/12=15 50(5)第一貨艙主肋骨主

26、肋骨腹板厚度：t = 1.15t = 11.16 mm2.7.2 頂邊艙舷側(cè)縱骨式中：h 1=0.26C+d-(0.06C+d)C=7.704頂邊艙 f=1.73-F b(Z-Zn)/(D-Z n)底邊艙 f=1.73-F b(Zn-Z)/ Z n Z n =3.05m F b =1縱骨位置Z(m)fhh1s(m)l(m)W3 cmW3 cm頂邊艙舷側(cè)縱骨7.900.5023.670.7610.551.9576.7326.96實(shí)取：L125x80x8 W=114.4cm3(2.11.1.3, 8.5.4)2.7.3 頂邊艙橫向支持構(gòu)件本船采用非水密艙壁支持頂邊艙縱向構(gòu)件P=7.06abh+P0

27、 KN5.1l12.26-2 cmA2 =4.86-1.475l2 cmh0=1.30m s/t=86.88艙壁位a(mDb(mh(m)p(mDPo(KNl(m)r(mDA(cm2)A(cm2)A(cm2)置頂邊1.950.6951.3012.4401.33.221.222.921.51艙實(shí)取：L100x63x8A=27.4 cm2 帶板 t=8mmW =7.5shl2 W=10shl2 I=2.5W l h=h icos30 +bisin30構(gòu)件位置h1b1hs(m)l(m)W3 cmI4 cm甲板0.482.261.9712.101.98121.7118602.4736頂邊艙斜板1.572

28、.052.3552.102.23184.47461028.446舷側(cè)1.253.303.1532.101.30111.8929363.6518實(shí)取:甲板10x400/12x100W=9213 cmI=273944 cm頂邊艙斜板10x400/12x100W=9273 cmI=279974 cm舷側(cè)10x400/12x100W=8993 cmI=252094 cm2.8甲板骨架2.8.1 甲板計(jì)算壓頭(2.8.1.1)2100 3Lh0 =1.2 (-150)=1.428 m1000 D -d式中:L=89.90m d=5.60m D=7.0m B=14.6m實(shí)?。篽 0=1.30m2.8.2

29、甲板橫梁(2.8.2.1)23W 二CQzDd C3shlcm露天甲板叱必大于W0=Bshl2 cm3橫梁位置CiC3hs(m)l(m)W3 cmW3 cm照樓甲板1.050.807.881.950.602.489.0698.39主甲板Fr12901.050.524.002.000.603.0064.60157.68主甲板Fr1171292.000.804.821.630.652.70105.81130.59主甲板Fr2335,89.90782.000.544.821.300.652.9176.81100.47主甲板艇 Fr231.050.524.002.000.652.9174.65194.

30、36機(jī)艙二層甲板1.050.524.002.600.653.2082.24222.07展樓甲板1.050.145.261.000.653.2842.52102.10實(shí)取:日首樓甲板L125x80x8W=112.5cm3主甲板 Fr1291首 L100x63x8W=70.55cm3主甲板 Fr117129L125x80x8W=112.5cm3主甲板 Fr2335,89.9078L125x80x8W=112.5 cm3主甲板艇 Fr23L125x80x8W=112.5cm3機(jī)艙二層甲板L125x80x8W=112.5cm3艇樓甲板L100x63x8W=70.55cm32.8.3 甲板縱桁(2.8.

31、3.3)234W =4.75bhl0.102cPl cm I=2W l cm P=196.2 KN甲板縱桁位置aa/lcbhl(m)W3 cmI4 cm照樓甲板2.404.303.00441.182647.08主甲板FU29Hl2.402.002.65160.11848.60主甲板Fr1171292.663.302.60281.331462.925主甲板Fr2335,89.90783.30.8467.232.661.303.90813.786347.469主甲板艇 Fr232.151.205.20331.383446.302機(jī)艙二層甲板1.252.605.20417.434341.272展樓甲

32、板2.661.005.85432.405059.095照樓甲板主甲板5129首主甲板Fr117129主甲板 Fr2335,7478主甲板艇 Fr23機(jī)艙二層甲板艇樓甲板8x300/10x100W=5168x250/10x100W=4008x300/10x100W=5158x400/12x100W=8738x300/10x1008x250/10x1008x250/12x100W=523cm3W=519 cm3W=456 cm3cm3 I=12955 cm4cm3 I=8321 cm4cm3 I=12804 cm4cm3 I=30170 cm4I=13689 cm4I=13304 cm4I=101

33、05 cm42.8.4頂邊艙甲板、斜底板縱骨(8.6.3.1)實(shí)取:頂邊艙甲板縱骨L125x80x8W=115.13 cmW =10shl2 h=h 1cos30 + h 2sin30縱骨位置h1h2hsl (m)W( cm3)頂邊艙甲板縱骨0.51.21.0330.72.6083.10頂邊艙斜底板縱骨1.581.21.9680.792.6056.40實(shí)取:頂邊艙斜底板縱骨L125x80x8W=115.13 cm2.9支柱2.9.1支柱的載荷(2.10.1)對(duì)于支柱所受的載荷P,應(yīng)按下式計(jì)算：P =7.06abh P0 KN式中：a 支柱所支持的甲板面積的長(zhǎng)度 m,見圖;b支柱所支持的甲板面積

34、的平均寬度 m,見圖;h支柱所支持的甲板的計(jì)算壓頭 m,Po 上方支柱所傳遞的載荷，kN o2.9.2支柱剖面積(2.10.2)A 一PAl12.26-5.1- r2 cm式中：P-一支柱所受的載荷,kNl 支柱的有效長(zhǎng)度,m,為支柱全長(zhǎng)的0.8倍Ir 支柱剖面的最小慣性半徑，cm2.9.3支柱壁厚Pt 二mm(2.10.3.1)0.392dp -4.9l+ dpt =mm 40式中：P支柱所受的載荷，kNl 支柱的有效長(zhǎng)度，m,為支柱全長(zhǎng)的0.8倍d p 管形支柱的平均直徑,mm支柱位置a(m)b(m)h(m)P(KN)P0(m)l(m)r(cm)A2 cmt(mm)首樓2.72.841.9

35、5105.5701.364.59.852.45機(jī)艙4.5m平臺(tái)上2.62.51.255.0701.924.55.461.36機(jī)艙4.5m平臺(tái)下3.63.52.6286.3555.072.165.0328.446.35實(shí)取： 首樓(J)133x6A=23.93cm2t=6mmdp=127mm機(jī)艙 4.5m平臺(tái)上(J)133x6A=23.93cm2t=6mmdp=127mmp機(jī)艙 4.5m平臺(tái)下(J)133x7A=35.67cm2t=8mmdp=142mm2.10 水密艙壁(2.12.2, 2.12.3, 2.13.2.1)防撞艙壁距船首4.13m+球鼻艄* 3.06m/2=5.66m,為6.3%

36、L 4.5 時(shí)0 1fb一 . 系數(shù),6=0.7 +0.3,且不小于0.475B1式中：b 所考慮位置的甲板室寬，mB1 船舶的露天甲板在所考慮位置處的最大實(shí)際寬度，m對(duì)于上層建筑、機(jī)艙棚的露天部分和保護(hù)泵艙開口的甲板室= =1自夏季載重線至扶強(qiáng)材跨距中點(diǎn)或至板格中心的垂直距離，mLr.L,L/300L、2,系數(shù)，二一e -1 -()10150XbB1a6Pk1h（計(jì)算值）h（實(shí)?。呛蟊?3.3514.514.50.221.01.346.023.01.1231.70IM#前壁14.5514.614.62.751.01.086.022.810.21910.22后壁-2.99.159.150.8

37、21.01.236.022.83.7703.77艇甲板室及以前壁14.55814.61.750.71.086.025.21.5771.70側(cè)壁9.68814.61.100.71.126.015.21.1511.70上各層后壁4.80814.50.570.71.166.025.20.7201.702.12.2 上層建筑及甲板室圍壁（2.17.3）厚度：t = 3s h mm對(duì)最下層L = 0.01 L 5.0 mm對(duì)其他各層tmin =0.01l+4.0 mm,且不小于5mm剖面模數(shù)： W =3.5shl s日首樓 t =(0.025L+5.0)J = 7.55 mm頭?。簍=8mm cm:sb式中：L船長(zhǎng)，取89.90m;s 扶強(qiáng)材間距,m;h計(jì)算壓頭,m;l 扶強(qiáng)材跨距，m;應(yīng)取為甲板間高度，但在任何情況下取值不應(yīng)小于 2.0m;h(m)s(m)t(mm)tmin(mm)l(m)W3 cm樓后壁1.700.602.355.902.4020.56IM#前壁10.220.605.755.902.40123.6后壁3.770.603.495.9