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船体结构2汇总.docx

19页
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    • 第1页共16页主要构件规范计算书一、概述:本船为单甲板、球艏、尾机型、柴油机驱动的简易油船,主要 装运闪点大于60°C货油本船按中华人民共和国船舶检验局《钢质海船入级与建造规范》 (2001)进行结构强度设计校核 本船航区为沿海航区,船体结构 采用横骨架式结构二、船舶主要要素:1、主要尺度:总长:L 35.36mOA设计水线长: LWL 33.03mWL垂线间长: L 32.00mpp型宽: B 7.00m型深: D 3.20m结构吃水: d 2.80m2、主尺度比:L/D=32.0/3.2=10.0<17B/D=7.0/3.2=2.218<2.53、 甲板间高:主甲板至尾楼甲板: 2.20m尾楼甲板至驾驶甲板: 1.20m4、 肋骨间距:全船肋距 s=0.0016L+0.5=0.552 实取 s=0.55m5、梁拱:f=0.14m三、构件尺寸计算:1、外板:1)船底板:§2.3.1 §6.2.2a. 0.4L 区域内:t = 0.072sE-i (L + 170*:F = 7.41mm式中:s=0.552m L=32.0m S=1.9ms2E=1+ =1.084S2t = 7.0 s J( d + 件)F = 7.083mm 式中: s=0.552m d=2.80mh1=0.26C=1.383 实取 h1=0.2d=0.56C=0.0412L+4=5.32实取: t=8.00mmb.离船端0.075区域内:t=(0.0035L + 6) — =6.09mmb式中: L=32.00m实取: t=7.00mm2) 平板龙骨: §2.3.2 §6.2.3.1b=900+3.5L=1012mmt=t + 2=9.41mm L=32m船实取:10X15003) 舭列板§2.3.3 §6.2.2.2 实取 t=8.00mm4) 舷侧外板:§6.2.4a.距基线3D/4以上的舷侧外板厚度t[=0.075sE-1( L + 110).:F = 5.37 mm t = 4.2sj(d + h ) = 4.52mm式中: s=0.552m L=32.0ms2E=1+ S2 =1.094 曰航 h2=0・5C=2・66实取 h2=0.36d=1.008C=0.0412L+4=5.32实取 t=7mmb.距基线D/4以下的舷侧外板厚度tt = 0.075sE-1( L +110) = 5.26 mmt = 6.3S\:(d + h ) = 6.37mm式中:s=0.552ms2E=1+ =1.094S2L=32.0mS=1.8mh1=0.56实取 t=7mm5)舷顶列板:§6.2.52.3.5=6.32mm=6.17 mmb=0.1D=320mm[=0.086sE-1( L + 110\町12 = 1.05 s.JL + 75) = 6 mm实取: t=8.00m b=800 mm2、甲板:1)强力甲板:§6.2.6.1 §2.4.2.1t = 0.086sE-1( L +110) JF = 6.22 mm 丫2 = 4.2 s JD + 2.5 = 6.65mms2式中 E=1+st =1.084s=0.552m S=1.9mL=32.0m实取: t=7mm2) 甲板边板§2.4.3.1b=6.8L+500=719.1mmt《t =6.22mm强力甲板实取: t=8mm b=950mm3、船底骨架:1)肋板: §2.5.4 §6.4.2.1h=42 X (B + d) - 70=341.6mmt=0.01h + 3=6.416mmA=4.8d-3=10.44cm2式中:B=7.0m d=2.80m,7 x 350实取:货油舱区:丄I。

      x I] A=llcm29机舱区: 丄 Ix I] A=11cm22)中内龙骨: §2.5.2 §6.4.3.1a.在0.4L区域:t=0.06L + 6.2=8.12mmA=0.65L + 2=22.8cm2式中: L=32.0m9头取: 12 x 200 , A=24.0cm2机舱实取丄1012 x 200A=24.0cm2b.在0.075L区域:t=0.05L + 5.5=7.1mmA=0.52L =16.64cm29实取: 丄 10 x 180,A=18cm23)旁内龙骨:§2.5.3.1 §6.4.3.4t=0.05L + 5=6.6mmA=0.25L + 5=13cm2式中: L=32.00m实取:810 x 140A=14.0cm2机舱实取丄910 x 140A=14.0cm24、舷侧骨架:1) 主肋骨:§2.7.2.1 §6.6.1.1a. 机舱区域:W1=cc1sdl2 =39.40 cm3c1=1.05机舱区域式中:s=0.552m d=2.80m D=3.20m l=2.75m2 + d x 0.65c = D = 3.211.45 - Dl本船设置 1根舷侧纵桁,根据§2.7.2.3,§2.7.2.6W= l/2W]=19.70 cm3,取 W= 20cm3I=3.2Wl =176cm4实取 L75X50X8 W=37.51cm3b. 货油舱区域:W=0.9 X 0.85 X 11s(h+1.2) 12=107.42cm3其中 h=2.5m l=2.5m实取 L120X80X10 W=120cm3c. 首尾尖舱肋骨:§ 2.728W=4.6sdD=22.75cm3式中: s=0.552m d=2.80m D=3.2m实取:首尖舱: L75X50X8 W=37.51cm3尾尖舱: L75X50X8 W=37.51cm32)强肋骨§ 2.7.4 § 6.6.2.1a. 货油舱强肋骨:W=CS(h+1.2)l2 =377 cm3其中 C=11 S=2.2m h=1.375m l=2.75m7x 300实取 丄 7 X 100 w=407.61 cm3b. 机舱强肋骨:w=5Shl2=114.38 cm3式中:S=2.2m h=1.375m l=2.75m,7 x 200 实取 丄 & x 80 w=217.31 cm33)舷侧纵桁§2.7.3 §6.6.3.1a. 货油舱区域:w=12b(h+1.2)l2=199.65 cm3b. 其它区域:w=7.8hbl2=67.48 cm3I=2.5 w l=371.14 cm4其中 b=1.375m h=1.3m l=2.2m7x300实取:货油舱区域:丄 8 x 80 w=305.47cm3 I=5845.07cm47x200其它区域 丄 & x 80 w=217.71 cm3 I=4230.93cm45、甲板骨架:计算压头:h 二 1.2 + 2 (100 + 3L -150)二 1.88m计算压头:0 1000、D - d式中: L=32m D=3.2m d=2.80m实取: h=1.50m1)甲板横梁: §6.7.1 §2.8.2.1a.. 货油舱区域:W=10.8shl2=32.28 cm3I=2.3wl=320.22 cm4 l=1.9m h=1.5实取 L100X63X6 W=55.48cm3 I=505.8cm4b. 主甲板其它区域: W=C1C2Dd + C3shl2=18 cm3式中: C =2 C =0.54 C =2.521 2 3l=2m s=0.55m h=1.5m D=3.2m d=2.80m实取: L75X 50X 5 W=26.84cm32) 甲板强横梁§2.8.4.1、§5.6.1.3,许用弯矩[O ]=124N/mm2P=7.06abh=40.77KN式中 a=2.2m,h=1.50m, b= 1.75mM=PL/8=9.68 kN.mW=M/[O ]=78.1 cm3,7 x 200 实取:丄 8 x 100 w=249.14cm3 I=4807.47cm46x 200首楼强横梁实取:丄 8 x 80 W=193.78cm3 I=3061.7cm43)甲板纵桁:§2.8.3.2 §6.7.2.1W=12bhl2=152.46 cm3W=4.75bhl2 =60.35cm3式中: b=1.75m h=1.50m l=2.20mI=2Wl=265.53cm47x 200 实取:货油舱 丄 & x 80 w=218 cm3 I=4279cm46x 200首楼纵桁丄 8 x 80 W=193.78cm3 I=3061.7cm46、水密舱壁:1) 平面舱壁:§2.12.3t = 4.2S Jh = 4.38mm式中: s=0.55m h=3.6m实取:上列板5mm;下列板6mm2) 平面舱壁扶强材:§2.12.4W=CShl2 =29.7mm式中:C=3 s=0.55m h=2.0m l=3.0m实取:L75X50X6 W=32.1cm33) 防撞舱壁:(按深舱要求计算)§2.13.2.1t = 4 s Qh + 2.5 = 6.67 mm式中: s=0.55m h=3.6m实取:上列板7mm;下列板8mm4) 防撞舱壁扶强材:§2.13.2.3W=8.2shl2 =29.22cm3式中: s=0.55m h=2.0m l=1.80m实取:L75X50X6 W=32.1cm37、深舱(货油舱区):1) 平面纵横舱壁:§2.13.2.1t = 4 S、:■石 + 2.5 = 6.46 mm式中: h=3.4m s=0.55m实取:上列板6mm;下列板7mm2) 纵横舱壁扶强材:§2.13.2.3l=1.8m h=1.8m s=0.55mW=8.2shl2 =26.30cm3实取: L75X50X6 W=32.1cm3cm3纵舱壁水平桁材:§2.13.5b=1.375m h=1.3m l=2.2mW=12bhl2 =103.82cm3,6 x 200实取:丄 7 x 80 W=190.78cm3横舱壁水平桁材:§2.13.5b=1.375m h=1.3m l=3.5mW=12bhl2 =262.76cm3,7 x 250 实取:丄 8 x 80 W=295.15cm3纵舱壁垂直桁材:b=2.2m h=1.375m l=2.55mW=12bhl2 =236cm37 x 200实取:丄 87100 W=250.82cm38、主机座:§2.16.11 )主机座纵桁腹板厚度:t=1.6Xt =1.6X6.61=10.58mm旁2)主机座水平面板厚度:t=1.4Xt =1.4X10.58=14.812mm1腹4实取: 16 x 1203)横隔板及横肘板厚度:t=1.4Xt =1.4X6.33=8.86mm丄 1肋0实取: 12 x 1009.。

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