retaining walls

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

论述了气调库气密性的确定方法,气密材料的选择及气密层的做法,介绍了用正压法气调库气密性的具体操作过程,并给了国内外的不同气密性标准。

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.

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