船體強(qiáng)力構(gòu)件開孔及補(bǔ)強(qiáng)2精

1、船體強(qiáng)力構(gòu)件開孔及補(bǔ)強(qiáng) Hull might in ess structure trepa nning and rei nforceIn troduct ion1 范圍 Exte nsion本標(biāo)準(zhǔn)規(guī)定了船體強(qiáng)力構(gòu)件上的區(qū)域分類，開孔及補(bǔ)強(qiáng)About this sta ndard provisi on classify, trepa nning and rei nforce of hull structure.本標(biāo)準(zhǔn)適用于管系、電纜穿過船體強(qiáng)力構(gòu)件時(shí)的開孔及補(bǔ)強(qiáng)。About thissta ndard supply hull might in ess structure hole and rei

2、n force whe n pipe system and cable through it. 2 2船體強(qiáng)力構(gòu)件上的區(qū)域分類Hull might in ess structure area and classify.2.1船體強(qiáng)力構(gòu)件上的區(qū)域分類見表 1 Look un der table 1表 1 區(qū)域分類 Table 1 Area classify區(qū)域(area)符號(hào)(symbol)xil義(definition)A區(qū)域弱應(yīng)力區(qū)PART AFaintish stressB區(qū)域較強(qiáng)應(yīng)力區(qū)PART BUpper stressC區(qū)域強(qiáng)應(yīng)力區(qū)PART CGreat wtress2.2橫向構(gòu)件上的

3、區(qū)域劃分按圖1Follow ing picture area measure off of Tran sverse structurea.強(qiáng)橫梁stro ng beam b.橫梁穿過縱桁a. strong beam b. the beam through Ion gitud inal girderFig.1圖1橫向構(gòu)件上的區(qū)域劃分2.2.1決定B區(qū)域方法見圖2。Decide area B method following picture 2. a.定 0、A 點(diǎn)；fix O ,A point.b. / OAB不大于45度時(shí)取C點(diǎn)，/ OAB大于45度時(shí)取B點(diǎn)；/ OAB less than 4

4、5 degree choice point C,/ OAB more 45 degree choice point B. c按/ OBE 或/ OCE 等于 45 度來定 E 或 E'' according / OBE or / OCE equal to 45 degree we decide E or E '.圖 2 決定 B 區(qū)域方法 Fig.2 Decide area B method2.3縱強(qiáng)度構(gòu)件的區(qū)域劃分見圖3Lon gitud inal mighti ness structure area measure off.a.縱骨b.縱通制水板c.縱通桁材Fig.

5、3圖3縱強(qiáng)度構(gòu)件的區(qū)域劃分2.4平板龍骨上部肋板的區(qū)域劃分見圖4, a取值按2.2.1。a decideA part of rig on pla ne keel arran geme nt look followi ng picture 4,To 2.2.1LFig.4圖4平板龍骨上部肋板的區(qū)域劃分2.5支柱端部構(gòu)件的區(qū)域劃分見圖5Aiva measure off about top of strut stnicturc Picture 5.a. 支柱無肘板 support pillar not bracketb. 支柱兩側(cè)有肘板 two sides of stanchion have bra

6、cket c支柱一側(cè)有肘板 a sideof sta nchi on have bracketFig.5圖5支柱端部構(gòu)件的區(qū)域劃分2.6防撓材、肘板構(gòu)件的區(qū)域劃分見圖 6Area measure off about bracket, trust structure Picture 6.If二肘板折邊寬住防撓板折邊寬f二防撓板折邊寬£=肘板折邊寬late ineasLue off Picture?Q-兀 Qh Ia.防撓材b.肘板Fig.6圖6防撓材、肘板構(gòu)件的區(qū)域劃分2.7 a.圓弧連接b.肘板連接a. circle arc conn ecti on b. floor plate c

7、onn ecti on圖7肋板端部的區(qū)域劃分Fig7 Area division of ends of brackets2.8隔離艙內(nèi)腹板的區(qū)域劃分見圖8。In the cofferdam web plate area measure off Picture8.Fig.8圖8隔離艙內(nèi)腹板的區(qū)域劃分u V.32.9中心線桁材端部的區(qū)域劃分見圖9Cen ter line top of the girder area measure off Picture 9.Fig9圖9中心線桁材端部的區(qū)域劃分3.開孑 L trepa nning3.1 開孔一般要求 trepanning usually requ

8、irement3.1.1 C區(qū)域應(yīng)避免開孔，如必須開孔時(shí)，應(yīng)對(duì)材料性質(zhì)、周圍狀況、負(fù)荷大 小作充分考慮，以決定開孔位置、尺寸和補(bǔ)強(qiáng)方法。C area should avoid trepa nnin g, if have to trepa nning we should con siderMaterial, en vir onment and strong load on it, we should decide local of thetrepa nning, size and bolster up of the method.3.1.2 A區(qū)域及B區(qū)域開孔允許值按表1,表1中開孔尺寸符號(hào)見圖

9、10。Weshould accord ing table 1 decide A area and B area trepa nning accept Value. Table 1 symbol and trepa nning size Picture 10.Fig.10 symbol and trepa nning size表1開孔允許值Table 1 the trepa nning accept value孔高b/型材高h(yuǎn)Hole high b/sect ion bar high h構(gòu)件名稱及部位 Parts name and placeA區(qū)域PART A不補(bǔ)強(qiáng)Not up貨油艙 Bulk

10、oil space桁材貨物艙、機(jī)艙、除貨油艙以外的其他艙Cargo tank. Engine room, Except bulk oil Space other居住區(qū)、露天甲板 Accommodati onWeather deck船中 0.75L 夕卜，中縱桁材 Center line girder0.33>0.33 <0.50.4 <0.50.165>0.165 <0.2>0.2 <0.250.25> 0.25 < 0.50.125> 0.125 < 0.25a 0.2>bB區(qū)域PART B不補(bǔ)強(qiáng)Not upa >

11、 0.1 b0.1< 0.2補(bǔ)強(qiáng)補(bǔ)強(qiáng)bolster Bolster up bolster Bolster up< 0.50.4 0.2各種隔板Solid floor, double bottom In sider girder,All kinds of clapboarda b < 300 b b < 6000.5> 0.5 < 0.663.1.3桁材高度方向開數(shù)個(gè)孔時(shí)，開孔高度值之和應(yīng)小于表1中的允許開孔高度值。Whe n trepa nning at the girder high directi on trepa nning high value am

12、ountshould less tha n table 1 rule3.1.4開孔總長(zhǎng)度不能超過0.6肋距（或0.6縱骨間距），開孔應(yīng)分散，不能同 時(shí)密集在鄰近的肋距（或縱骨間距）內(nèi)。All the len gth of trepa nning less tha n 0.6 frame space （or 0.6 spaci ng ofIon gitudi nal ,trepa nning should separate, canme comtpreBsaon n ear frame space（or spaci ng of Ion gitudi nal inner. 3.1.5開孔長(zhǎng)度應(yīng)小于

13、開孔高度的 2倍，以保證在相 同開孔面積情況下減少沿船寬方向的開孔寬度。Trepa nning about len gth should less high twice, en sure reduce width Along width of the boat.3.1.6開孔應(yīng)有光滑的邊緣和良好的圓角，圓角的半徑應(yīng)為孔高的1/8,且不小于25mmTrepa nning should have glazed edge and good round an gle the round an gle Radius should 1/8 of trepa nning high, and more tha

14、 n 25mm.3.1.7當(dāng)梁上有密集的小開孔且間距又不滿足對(duì)開孔間距的要求時(shí)，則開孔的 寬度和長(zhǎng)度的計(jì)算值應(yīng)以全部開孔的最大外輪廓尺寸作為開孔計(jì)算的寬度和長(zhǎng)度。When girder have small trepa nning and dista nee can fill rule, wid' andHigh calculation should according to max width and high of figure size 3.1.8如遇 特殊開孔情況，需設(shè)計(jì)部主管人員決定，需作特殊考慮的開孔亦由設(shè)計(jì)部主管人員 提出。If have emerge ncy, desi

15、g n director decide and con sider special trepa nning, director should make a suggesti on.3.1.9主船體部分的強(qiáng)力甲板，船中0.5L連續(xù)縱桁上開孔高大于0.25h時(shí)，應(yīng) 通知設(shè)計(jì)部船體室，以考慮開孔對(duì)總縱強(qiáng)度的影響是否允許，以及開孔的特殊要求 等。Strong deck of hull when Iongitudinal girder more than 0.25h of the center hull and no tice hull desig n part con sider Ion gitud

16、in al stron ger 3.2開孔部位 positi on of hatch3.2.1除下述范圍外的梁上腹板可以開孔，但是否需要加強(qiáng)，應(yīng)視開孔大小而Except follow ing exte nsion of girder web plate can have trepa nning, other Hatch area decide it about if need stre ngthe n. 32以下部位一般不允許開孔，否則應(yīng)作等效 加強(qiáng)。Follow ing part not allow trepa nning or else should do equivale nee str

17、e ngthe n.3.2.2.1 強(qiáng)橫梁端部一個(gè)縱骨間距。spaci ng Ion gitudi nal of web beam. 322.2縱桁在橫隔壁處一個(gè)肋距。Lon gitud inal girder on horiz on tal bulkhead frame space 322.3強(qiáng)橫梁在支柱處左 右一個(gè)縱骨間距。Spaci ng of Ion gitud inal that web beam around backup post 3.2.2.縱桁在支柱處前 后一個(gè)肋距。Frame space at lo ngitudi nal girder all arou nd. 3.2.2

18、.5S 桿附近范圍內(nèi)的強(qiáng)橫梁左 右一個(gè)縱骨間距。Near the mast web beam all round of a spac ing of Ion gitud in al. 3.2.2.66 桿附近范 圍內(nèi)的縱桁前后一個(gè)肋距。Near the mast a frame space of Ion gitud inal girder. 3.2.2.上層建筑端壁下的強(qiáng)梁 腹板上。Superstructure in end of girder web plate 3.2.2.8普 通橫梁和縱骨上。Onordi nary beam and Ion gitudi nal 3.2.2.9強(qiáng)橫梁面板上

19、絕對(duì)不準(zhǔn)開孔。Absolutely impossible have trepa nning on the web beam. 3.2.2.1小 構(gòu)件穿過的切 口處，其切口前后的一倍切口長(zhǎng)度范圍內(nèi)。Small comp onent get through in cisi on,around incision extension 3.2.2.11 肘板端部相鄰 200mm 范圍內(nèi)。Near bracket plate 200mm.3.2.2.12 構(gòu)件對(duì)接處相鄰 200mm 范圍內(nèi)。Component join 20mm extension.3.2.2.13底部構(gòu)件和不帶面板的構(gòu)件開孔另做考慮Ot

20、her con sider bottom comp onent and have n't faceplate component trepanning.3.3孔與孔或孔與構(gòu)件邊線的最小距離按表 2。Hole and hole or hole and comp onent edge mix dista nee accord ing to Table 2.表2孔與孔或孔與構(gòu)件邊線的最小距離 Table 2 hole and hole or hole andcomp onent edge mix dista nee開孔形式Trepanning Forms備注attentionA區(qū)域A are

21、aB區(qū)域B areaa,亂、孔與孔（hoit山h 注e and hole)* I r q tj(dl+d2)/2dl+d2一般在扎的周兩 加工等厚的腹板或扁 鋼框時(shí),可以減少S 值，減少值為腹板或扁b. b> 扎(hole and plate)ftc臥S乳與幽蝦扎再WWSA(hol« ond scollop hole, prionodonthole)yEd+R)/2d+Kd、d、孔與切M(holc and incisionBX! ?W+BV2dtB1/2 S.少F標(biāo)準(zhǔn)$值的1/2.Generally* aroundthe hole add webplate to it 

22、7; it willbecoaesteelreduceflati you marworth.reduce number is webplate fora and 1/2width of flnt bonebut lesL： st andar d表2 （續(xù)）孔與孔或孔與構(gòu)件邊線的最小距離Table 2 hole and hole or hole andcomp onent edge mix dista neeb、bx 孔與詢板 thole and plate)ihife板=£40%h鋼框?qū)挾鹊?/乙但得 少于標(biāo)準(zhǔn)S值的I/NGenerally, around the hole add

23、webs s孔與扇型孔、鋸齒型孔(hole and scallop hole, prionodonthole)y(d+R) /2d+Rplate to it , it willbecomeflatsteel , you mayreduce S worth,a在板的另一側(cè)，腹板的同一面內(nèi)有構(gòu)件時(shí)，可以適當(dāng)酌情減少S值.這些構(gòu)件的 開孔的高度與鋸齒型孔同等高度時(shí),S值不受限制；b有補(bǔ)板的設(shè)計(jì)情況：a an other side of plate, whe n same the web side have comp onen t ,you may reduce S at pudd ing time.

24、 Component hole high equal to prionodont hole high, S is not limit; b there are complementary plate instanee: B B S3 B B B S3 S3> B S補(bǔ)S5steB up 4.1在A,B區(qū)域里允許開孔的情況下，應(yīng)用不小于開孔寬度方向截面積1/4的腹板或扁 鋼框補(bǔ)強(qiáng)，也可根據(jù)開孔的尺寸，用局部加高腹板高度來補(bǔ)強(qiáng)，其補(bǔ)強(qiáng)板及型材的材質(zhì) 應(yīng)與強(qiáng)力構(gòu)件的材質(zhì)相同.In A,B area allow hatch ,we should used less than 1/4 secti onal area of hole direct ion or flat plate bolster up. Or accord ing to hole size, Use a part of web plate bolster up, the material should same as stre ngth Comp onent. 4.2 4.2.1 圖 11. The len gth of hole whe n inner twice high, ho