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一、引言 承受动荷载的地下工程属防护工程的范畴,与地面民用工程相比较,有四个明显的区别。 1.动力分析与静力分析的区别; 2.建筑材料强度选择的区别; 3.结构安全系数选择的区别;
I. INTRODUCTION The underground works subjected to dynamic loads belong to the category of protective engineering, and there are four distinct differences compared with civil engineering on the ground. 1. The difference between dynamic analysis and static analysis; 2. The difference in the choice of building materials strength; 3. The difference in the choice of structural safety factor;