结构缝 meaning in English

construction joint
structural joint

In order to carry out the fem computation , 3 - d isoparametric joint element of finite thickness is used to simulate the structural jionts such as longtitudinal slots , and lamella finite element is utilized to simulate seams in dam body and fractures in foudation
利用有限厚度三维接缝单元模拟纵缝等结构缝，用薄层单元模拟再生缝及坝基断裂；并对有限元计算所得单元结点应力进行优化。