基于空间网格模型分析的体外预应力加固
马晔1, 尼颖升1, 徐栋2, 刁波3

External prestressed strengthening based on analysis of spatial grid model
MA Ye1, NI Ying-sheng1, XU Dong2, DIAO Bo3
加固前后纵梁③面内主拉应力对比