Relationship between internal force and deformation of steelplane member considering cumulative damage effect under earthquake;
采用弹性地基梁有限元模型，分析了坑内土体加固对围护结构变形和内力的影响。
2
In the evaluation of highway steel truss Bridges based on the method of fracture mechanics, the plane fracture toughness K IC must be detected firstly.
应用断裂力学方法对公路钢桁桥的安全性能进行评估中，必须首先测出平面应变断裂韧度K IC。
3
The textile panel is suspended from the steel framework allowing the surface of the Canopy to be a continuous luminous plane.