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凡是在地震中基础不出现位移、倾斜、岸坡不出现滑移的地基称为刚性地基,具体讲地震后基础不倾斜不位移,各孔跨长沿地面基本上不伸长不缩短的地基就是刚性地基。一般来说,一、二类场地土在地震中大都可能属于刚性地基。这种地基在地震过程中我们可以近似的看为绝对刚性,即任意两点之间在地震过程中将不出现大幅度的相对
Any foundation that does not appear to be displaced, tilted or slipped on the bank during the earthquake is called a rigid foundation. Specifically, the foundation after the earthquake is not inclined and does not move. The foundation along which the holes extend substantially along the ground without shortening does not shorten Rigid foundation. In general, most of the earth in the first and second types of sites may belong to rigid foundations during earthquakes. This kind of foundation can be approximated as absolutely rigid during the earthquake, that is, there will not be a significant relative between any two points during the earthquake