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地震是一种突然发生的后果极其危险的自然灾害。地震的主要危险是振动引起房屋和构筑物的破坏以及人员的伤亡。防止发生地震现在还办不到,但避免地震造成危险性的后果是完全可能的。为此必须建造这样的房屋和构筑物:即在强烈的地面振动下,它仍将巍然屹立而不出现严重的损坏。多次地震的经验表明,框架房屋具有较强的抗震性能。同时,地震后果的分析也能够揭示这些结构物的薄弱点,发现破坏与损坏首先与框架构件的节点连接有关。1923年9月1日在日本关东地震中,被
An earthquake is a natural disaster with sudden and extremely dangerous consequences. The main danger of earthquakes is the destruction of houses and structures caused by vibrations and the casualties of personnel. It is impossible to prevent an earthquake. However, it is entirely possible to avoid the dangerous consequences of an earthquake. For this reason, such houses and structures must be constructed: that is, under strong ground vibrations, it will stand still without serious damage. The experience of multiple earthquakes shows that the frame houses have strong seismic performance. At the same time, the analysis of the seismic consequences can reveal the weak points of these structures and find that the damage and damage are firstly related to the joints of the framing members. September 1, 1923 in the Kanto Earthquake in Japan, was