抗震加固的基本原理历次地震震害表明,房屋建筑的破坏与倒塌是造成大量人员伤亡与经济损失的主要原因。我国早期建造的一批房屋限于当时的技术与经济水平,抗震设防标准低,并且材料性能由于使用了这么多年也会产生不可避免的退化,这类房屋的抗震性能低下,亟待进行抗震加固。事实证明,经过抗震加固的房屋在地震中的破坏程度明显低于未加固的房屋。抗震加固就是对房屋建筑采取一定的技术措施,使其遭受未来的地震 Basic Principles of Seismic Strengthening Previous earthquakes show that the destruction and collapse of houses and buildings are the major causes of heavy casualties and economic losses. A batch of houses built in our country in the early stage are limited to the technical and economic level at that time, and the standards of seismic fortification are low. The material properties will inevitably degenerate due to the use for many years. The seismic performance of such houses is low and seismic strengthening is urgent. As it turns out, the seismic damage of houses after seismic strengthening is obviously lower than that of un-strengthened houses. Aseismic reinforcement is to take certain technical measures to the housing construction, so that it will withstand future earthquakes