weld root meaning in English

焊跟
焊件剖口
焊接根

Hence lack of fusion and slag would exist at the weld root and create a large initial crack condition .
因而未熔透及夹渣存在于焊缝棍部，并造成大的初始裂纹条件。
However , the stud welding roots in the negative moment region of the beam are often subjected to the joint action of shear stress cycling of the studs and tensile stress cycling of steel girder flanges
但在负弯矩处栓钉焊趾往往承受栓钉剪应力循环和钢梁翼缘拉应力循环的共同作用。
Fractures in the weld root on column fusion face are typical earthquake damage to steel frames . the object of this paper is computer simulation of typical seismic damage to steel frame structures
梁柱节点焊缝断裂是钢框架结构震害中的典型破坏模式,本课题研究的目标是对钢框架结构这种典型的震害进行计算机模拟。
In this paper , the linear accumulative damage theory commonly used for calculation of the fatigue of variable amplitude stress is used to assess the fatigue of the same part of the structure due to the two kinds of stress cycling and the assessment formulae for the fatigue of the stud welding roots in the negative moment region are also provided
引入通常用于计算变幅应力疲劳的线性累积损伤理论，对2种应力循环引起的结构同一部位的疲劳进行评定，给出组合梁负弯矩区栓订焊趾疲劳评定公式。