船底结构的焊接系数研究  

Research on welding factor of ship's bottom structure

作　　者：吴华峰[1] 吴剑国[1] 朱荣成[2] 

机构地区：[1]浙江工业大学建筑工程学院,杭州310032 [2]中国船级社上海规范研究所,上海200135

出　　处：《船舶》2012年第5期43-47,共5页Ship & Boat

摘　　要：采用钢结构焊接强度计算方法,给出船底结构角焊缝应力的计算模型和船舶结构角焊缝焊接系数的计算公式。以一艘31 000 dwt散货船船底结构为例,计算不同工况荷载作用下船底、内底纵骨、船底纵桁以及肋板的焊缝剪应力,并与舱段有限元的剪应力计算结果作比较,验证了当前规范角焊缝焊接系数。This paper presents the calculation model of the stress and the computational formula of welding factor for the fillet weld of ship＇s bottom structure by calculating the welding strength of the steel structure. Taking a 31 000 dwt bulk carrier as example,it calculates the shear stresses on the weld seam of ship bottom, inner bottom longitudinal, bottom longitudinal and ribbed slab under different operation conditions. The fillet weld factor of present specification is validated by comparing with the shear stresses of cabin by FEM.

关 键 词：剪切强度 焊接系数 角焊缝 

分 类 号：U671.8[交通运输工程—船舶及航道工程] TG457[交通运输工程—船舶与海洋工程]