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欧洲岩土设计规范EN1997-1采用基于概率极限原理的分项系数法进行设计,其核心是三种设计方法,针对不同的情形,可分别选用其中一种,两种或三者全选。利用支挡结构设计实例,分别列举三种设计方法的计算过程,参数取值方法,并与引用我国规范的计算结果进行对比分析,找出稳定性、抗滑移和地基承载力的计算值差异,以期对我国岩土工程设计者熟悉与应用欧洲规范EN1997-1有所裨益。
The European Geotechnical Design Code EN1997-1 adopts the sub-coefficient method based on the principle of probability limit. The core of the design method is three kinds of design methods. For different situations, one, two or three can be selected respectively. By using the design example of the support structure, the calculation process and the method of parameter selection of the three design methods are respectively listed, and compared with the calculation results quoted by our country to find out the differences in the calculated values of stability, anti-slip and foundation bearing capacity , With a view to our geotechnical designers familiar with and application of European norms EN1997-1 benefit.