采用等刚度法确定换填基础模量；
The replacement foundation modulus was ensured by the method of equivalent-stiffness.
涵管机基础施工，根据图纸计算基础顶标高，按设计及规范要求材料进行换填。
He slipped end-over-end machine foundation construction, according to drawings computing basis, according to the elevation of the top design and specification requirements in fill material.
实践表明，该工程基础超挖换填处理方法操作简单，施工速度快，且造价相对较低，具有较好的实用价值。
Practice shows that, the method of foundation over dig change and fill in the project is easy to operate, quick with less cost, which has a very good and practical value.
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