静定结构是指仅用平衡方程可以确定全部内力和约束力的几何不变结构。因为静定结构撤销约束或不适当地更改约束配置可以使其变成可变体系，而增加约束又可以使其成为有多余约束的不变体系（即超静定结构）。在静定结构中，未知广义力的数目恰好等于结构中所能列出的独立的平衡方程的数目，因此，通过平衡方程能求出静定结构中的全部广义力。
超静定结构 [力] statically indeterminate structure ; indeterminate structure ; hyperstatic structure ; statically indeterminable construction
内部超静定结构 internally indeterminate construction
静不稳定结构 statically unstable structure ; Structure statically unstable
静定桥梁结构 statically determinate bridge structure
静力不稳定结构 statically unstable structures
三次静不定结构 thrice statically indeterminate structure
超静定桥梁结构 statically indeterminate bridge structure
对高温下建筑构件及超静定结构温度场进行了数值计算。
Numerical calculation to the temperature field of structural member and hyperstatic structure was also carried.
用力法计算超静定结构时，需要求解由多余未知力组成的联立方程。
Combined equations have to be solved in the analysis of a super static determined structure with force method.
多室薄壁箱梁是超静定结构，求解其超静定未知剪力流是一个难点。
Multichambered Thin-walled box girder is a hyperstatic structure, it is a difficulty to solve its hyperstatic unknown shearing flow.
应用推荐