Strengthening of ground is an effective measure to improve seismic behavior of the ground. 加固地基是增强地基抗震性能的一种行之有效的方法。
At last, the effects on seismic characteristics of unbonded post-tensioned precast concrete joints with differences strengthening methods are analyzed. 分析了不同加固方法对无粘结后张预应力装配节点抗震性能的影响。