yield line theory meaning in English

破坏阶段理论
屈服线理论

The energy law of yield line theory was applied to the theory of “ resistance unit ” of flat slab strengthening analysis
屈服线理论能量法用于无梁板加固分析的“抗力单元”理论、及该理论应用于加固分析的可行性。
( 3 ) using yielding line theory , we educed ultimate capacity of slab - column connection which was bend destroy under vertical load , vertical load and unbalanced bend in the text
( 3 )利用屈服线理论,推导出竖向荷载作用下、竖向荷载和不平衡弯矩共同作用下板柱节点发生弯曲破坏时的极限承载力。
Secondly , the writer carried out the calculation on prestressed concrete slabs with openings by yield line theory and got the changes of limit load of openings of different size , different place
然后，笔者采用屈服线理论对预应力混凝土开孔平板的极限承载力进行计算，得出不同开孔参数对应的极限承载力。
3 . the ultimate bearing capacity of such floor is worked out by applying yield line theory to thin - wall core box cast - in - site concrete hollow floor . and it is proved to be feasible according to the theoretic analysis
3 、将板的屈服线理论引入薄壁箱体现浇混凝土空心楼盖的极限荷载的计算中,根据理论分析,证明了该方法的可行性。