集 裝 箱 綁 扎系統(tǒng)介紹

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1、集裝箱綁扎系統(tǒng)介紹集裝箱綁扎系統(tǒng)介紹INTRODUCTIONOFCONTAINERLASHINGSYSTEM3.Shipaccelerations船舶加速度Inasimplifiedcomparisonyouwillfindonthethemaincharacteristicsandtendenciesforthecurvesofaccelerations各船級社船舶加速度對照曲線示意圖.Theseaccelerationcurvesshowsthedifferencebetweensomeclassificationsocietie

2、s.這些曲線反映力不同船級社對船舶加速度的不同規(guī)定.Forcontainersecuringmostimportantisthetransversalacceleration.Forexampledeckaccelerations.對集裝箱綁扎來說,最主要的是橫向加速度,例如甲板上的橫向加速度.Deck:甲板上:GLaccelerationsincreaseat0.2and0.6Lppfromaftperpendicular加速度在距尾垂線0.2Lpp及0.6Lpp處遞增.LRaccelerationsincreaseat0.25Lp

3、pfromforeperpendicular,ifnobreakwaterexists若無防浪板,加速度在距首垂線0.25Lpp處增加.BVaccelerationsincreaseregularfromthemiddleofLpp加速度在船中處向兩側(cè)遞增.DNVhavethesameaccelerationforthewholeship加速度全船一致.ABShavealreadythesameaccelerationforthewholeship,ifthevesselhaveaBilgeKeeltheaccelerationsca

4、nbereduced加速度全船一致,若有防搖鰭,加速度可減小.-4-4.Securingfittings綁扎件4.1Maximumpermissibleforceswhichmayactonthesecuringfittings綁扎件最大許用力DependingontheclasssocietytherearedifferentsafetyfactorsbetweenSWL,ProofloadandBreakingloadpoints.Assumingthatforexistingandifpossible,commonfitting

5、sthebreak-pointisatanevenlevel,theSWL’sandproofloadsvaryconsiderably.Thereforeyouwillfindalistwithforceswhichmaynotbeexceededintheresultoflashingevaluations:由于各個船級社對安全工作負荷,試驗負荷及破斷負荷之間所采用的系數(shù)是不同的.即便假定現(xiàn)有的綁扎件的破斷負荷是在同一水平上的,所得到的安全工作負荷也是不同的.因此存在一系列不同的受力,而這些受力在計算中都是不可超過的.Thepro

6、posedloadsinaccordancewiththeGLandLRrulesrespectively.GL及LR規(guī)范的受力要求.GLhavedifferentfactorsfordeckandholdbecauseoftheloweraccelerationsinhold,moreoverthecont.inholdarenotwindexposed.GL對于甲板上及貨艙內(nèi)的系數(shù)考慮是不同的,原因是GL所規(guī)定的貨艙內(nèi)的加速度較低,并且貨艙內(nèi)的集裝箱是不受風力影響的.-5-5.Securingsystemsondeck甲板上堆放系

7、統(tǒng)TheconventionalsecuringsystemondeckconsistsmainlyofTwistlockstoconnectthecontainersbetweenthelayersalsowiththedeck.甲板上集裝箱的綁扎方式通常通過鈕鎖連接集裝箱層及同甲板之間進行固定.Normallytwo20’containersarestandonone40’placewithaGAPof76mmbetweenthem,thisGAPiscalledISOGAP.BecauseofthesmallISOGAPther

8、eisnolashingpossible,thereforetheContainerswillbeconnectedbyTwistlocksonly,andifnecessarybyBridgeFittingsandLi