retaining wall

A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.

论述了性确定方法,材料选择及层做法,介绍了用正压法检测性操作过程,并给出了国内外不同性标准。

Counterfort retaining walls are optimized in the paper, using the optimum program, costs of different counterfort retaining wall parameters were calculated and based on the contrast analysis.

本文对扶壁式挡土墙进行优化计算,利用优化设计程序对不同参数下截面状态和工程造价进行分析比较。