中英文對(duì)照干舷計(jì)算書資料

1、1. The Basis of Freeboard Calculati onThe calculation shall be in accordancewith International Convention on LoadLine 1966 with ame ndme nt for 1979, modified by protocol of 1988 for Type“ A”ship.2. Primary Parameter for this vesselLbp = 90.0 mB = 15.0 mD = 6.9 mT = 5.4 m.: = 5607.7 t3. Defined Para

2、meter for this vessel1. Length LLwl（0.85d）96% = 92.064 96% = 88.381 mLpp（0.85d）= 90.079 mso: L = 90.079 m2. Breadth BB = 15.0 m3. Depth DD = 6.9 m4. Calculated Depth D1D1 = 6.9 + 0.012 = 6.912 m5. Block Coefficie nt CbL B d1where: d1 = 0.85D = 5.865 m、=5995.0 m3Cb5995.090.079 15.0 5.865二 0.7565 0.68

3、4. Freeboard Calculati onThis vessel to be“A” type ship.Minimum Freeboard F = Fo + f1 + f2 + f3 + f4 + f5 + f64.1 Base Freeboard F0F0 = 985.185 mm4.2 Length Correction f1 This vessel is type so: f1 = 0A” ship,4.3 Block Coefficient Correctionf2f2 =(Ff1)(Cb 0.681.36-1)where: f1 = 0Cb = 0.7565so: f2 =

4、55.417 mm4.4 Depth Correction f3f3 -(D 1 )R15where: R = L/0.48 = 187.665D1 = 6.912 m L/15 = 6.005L = 90.079 mso: f3 = 170.162 mm4.5 Superstructure Correction f4The height of forecastle and poop is 2.70m and larger than standard heightH1=1.951m and the len gth of superstructure is6.716+21.6+0.015=28.

5、331m=0.315L, so k is 0.225 according to the table and f is 888.894 mm,f4 = f0k so: f4 = 199.986 mm4.6 Non-standard Sheer Correction f5The ordin ates of sta ndard sheer profileStati onFormulaOrdi nate(mm)FactorProductAfterhalfAfterperpe ndicular25(L/3+10)1000.65811000.658L/6 from A.P.11.1(L/3+10)444.

6、29231332.876L/3 from A.P.2.8(L/3+10)112.0743336.222Amidships0010ForwardhalfAmidships0010L/3 from F.P.5.6(L/3+10)224.1473672.441L/6 from F.P.22.2(L/3+10)888.58532665.755Forward perpe ndicular50(L/3+10)2001.31712001.317The sta ndard average height of sheer:1After half ha (1000.658 1332.876 336.222 0)

7、= 333.720 mm 8Forward half hf(2001.317 2665.755 672.4410) =667.439 mm8The actual height of sheer to be 0mm both after and forward half.Because forecastle height 2.911m is greater than the standard 1.951m, sheer credit is give n for the forecastle:yL3Lwhere:so: Sfy = 2.911 -1.951 = 0.96 m = 960 mmL=

8、6.731 mL = 90.079 m= yLL=96J= 23.911mm3L 3 90.079Because poop height 2.70m is greater tha n the sta ndard 1.951m, sheer credit isgive n for the poop:sa 二yL3Lwhere: y = 2.70 -1.951 = 0.749 m = 749 mmL= 21.6 mL = 90.079 mso:3L74121.659.867mm3 90.079so:28.331 )2 90.079”(333.72-0-23.911) (667.439-0-59.8

9、67)=(0.75=271.886mm4.7 Correction for position of deck line f6f6 = 04.8 Due to all above calculation, minimum freeboardF = F0 + f1 + f2 + f3 + f4 + f5 + f6=985.185 + 0 + 55.417 + 170.162-199.986 + 271.886 + 0 =1282.664 mm5. Survey Freeboard5.1 Summer Freeboard FsFs = D -d = 6912 -5400 = 1512 mm 1282

10、.664 mmObviously comply with the requireme nt, soThe actual summer freeboard Fs = 1512 mm5.2 Tropical Freeboard Ftd5.4 000FT =FS15121399.5mm48485.3 Win ter Freeboard FwFw Fs -15125.4 1000 =1624.5mm48485.4 Winter North Atlantic Freeboard FwnaFwna = Fw + 50 = 1624.5 + 50 = 1674.5mm5.5 Summer Fresh wat

11、er Freeboard FfFf =Fs10.：40Tcm= 151210 5607.740 11.869=1394mm5.6 Tropics Fresh water Freeboard FtfFtF =Ft - 10=1399.5 _10 5607.7 =1281.5mm40Tcm40 11.8696. Mi nimum Bow Height hshs =(6075(L/100)1875(L/100)2 200(L/100)3 (2.08 0.609C1.603Cw 0.0129(L/d1)=4200mmwhere: L = 90.079 md1 = 0.85D = 5.865 mCb =

12、 0.7565 0.68Cwf = 0.395For this vessel, the bow height for forecastle deck at the forward perpe ndicular to be 4411mm , so it meets the requireme nt.7. Deck line and load line mark pla nRefer to page 12, this drawing shows the starboard, and the port is the symmetry.說明本計(jì)算書按1966年國際載重線公約1988年議定書中對(duì)船舶有關(guān)

13、規(guī)定和要求進(jìn)行計(jì)算、編制。本船為“ A ”型船。.船舶主要尺度垂線間長Lbp = 90.0 mB = 15.0 mD = 6.9 m夏季載重線吃水T = 5.4 m排水量.: = 5607.7 t三.規(guī)則定義尺度1.船長L水線長(0.85D)的 96%： Lwl(0.85d)96% = 92.064 96% = 88.381 m0.85D處首柱前緣至舵桿中心線長度：Lpp(0.85D) = 90.079 m取大者，故：L = 90.079 m2.船寬 BB = 15.0 m3.型深 DD = 6.9 m4.計(jì)算型深 D1D1 = 6.9 + 0.012 = 6.912 m5.方形系數(shù) Cb式中

14、:d1 = 0.85D = 5.865 m5995.0、=5995.0 m390.079 15.0 5.8650.7565 0.68四.最小干舷計(jì)算本船屬“ A ”型船舶。最小干舷 F = Fo + fl + f2 + f3 + f4 + f5 + f61. 基本干舷 Fo本船屬“ A ”型船舶，由法規(guī)查得，當(dāng)L = 90.079m時(shí)Fo = 985.185 mm2. 船長修正 fi本船屬“ A ”型船舶,故：fi = 03. 方形系數(shù)修正f2Fofi)(曾-“式中：f1 = 0Cb = 0.7565故：f2 :=55.417 mm4. 計(jì)算型深修正f3f3 =(Di -)R15式中：R =

15、L/0.48 = 187.665Di = 6.912 m L/15 = 6.005L = 90.079 m故: f3 = 170.162 mm5. 上層建筑和圍壁結(jié)構(gòu)對(duì)干舷的修正f4本船首樓和尾樓的高度為2.70m大于上層建筑標(biāo)準(zhǔn)高度H1=1.951m；上層建筑有效長度E=6.716+21.6+0.015=28.331m=0.315L查表插值得，折減百分?jǐn)?shù) k為0.225；上層建筑有效長度為1.0L時(shí)的干舷減除量f0為888.894mm。f4 = f0 k式中：f0 = 888.894 mmk = 0.225故：f4 = 199.986 mm6.舷弧修正 f5標(biāo)準(zhǔn)舷弧剖面的縱坐標(biāo)值按下表確定:

16、位置計(jì)算公式縱坐標(biāo)值(mm)系數(shù)乘積值船后半部尾垂線25(L/3+10)1000.65811000.658離尾垂線L/611.1(L/3+10)444.29231332.876離尾垂線L/32.8(L/3+10)112.0743336.222船中央0010船前半部船中央0010離首垂線L/35.6(L/3+10)224.1473672.441離首垂線L/622.2(L/3+10)888.58532665.755首垂線50(L/3+10)2001.31712001.317標(biāo)準(zhǔn)舷弧的平均弧高:1后半部：ha = - (1000.658 1332.876 336.222 0) =333.720 mm

17、 81前半部：hf (2001 .317 2665.755 672.4410) = 667.439 mm8本船實(shí)際舷弧的平均弧高前后半部均為0mm。本船首樓封閉部分的平均長度為6.731m，首樓在舷弧末端處的實(shí)際高度為2.911m大于上層建筑標(biāo)準(zhǔn)高度1.951m,封閉首樓對(duì)船前半部平均舷弧高的 增加：式中：y = 2.911 -1.951 = 0.96 m = 960 mmL= 6.731 mSf =yL3LL = 90.079 myL 960 I = 23.911mm故: Sf 3L 3 90.079本船尾樓封閉部分的平均長度為21.6m，尾樓在舷弧末端處的實(shí)際高度為 2.70m大于上層建筑

18、標(biāo)準(zhǔn)高度1.951m,封閉尾樓對(duì)船后半部平均舷弧高的增加:式中:y = 2.70 -1.951 = 0.749 m = 749 mmL= 21.6 mL = 90.079 m故：SfyL - 749 21.659.867mm3L 3 90.079故舷弧修正:(333.72-0-23.911) (667.439-0-59.867)28.331、疋(0.75 )270.079=271.886mm7.甲板線位置修正 f6f6 = 08.最小干舷F = F0 + f1 + f2 + f3 + f4 + f5 + f6=985.185 + 0 + 55.417 + 170.162-199.986 + 271.886 + 0=1282.664 mm干舷勘定1.夏季干舷 FsFs = D -d = 6912 -5400 = 1512 mm 1282.664 mm滿足要求，故實(shí)際夏季干舷Fs = 1512 mm2.熱帶干舷 Ft4848=1399.5mm3.冬季干舷 FwFw = Fs -15125.4 1000 = 1624.5mm48484.冬季北大西洋干舷FwnaFwna = Fw + 50 = 1624.5 + 50 = 1674.5mm5.夏季淡水干舷Ff= 1512 -10 5607.7 =1394m