减少焊接结构件拘束应力在吊重船四脚起重桅中的应用

Application of reduced welding stress construction in four feet crane mast of crane ship

通过对厚板、大拘束度结构的分析 ,我们能够找出减少拘束应力的方法 。

Thicker plate and bigger restricted welded construction were analyzed.Some ways to reduce restricted stress were setup.One of the ways is to change the close weld to open weld.