perviousness

A study on dynamic characteristics of storm water perviousness on low slope roofs with corrugated sheet steel tiles

小坡度压型钢板瓦屋面雨水渗透动力特性研究

By testing and Analyzing the perviousness of two kinds of flexible compound material, the application of it to military packaging is researched.

通过试验，对两种软质复合材料的透湿性进行对比分析，并就其在军品包装方面的应用进行研究。

An analysis is made of the characteristics of dike works, perviousness of dike foundation and seepage characteristics of different foundations. Therefore, the design principle of seepage control and its selection of measures are raised.

对堤防工程特点、地基渗透性、不同地基的渗流特点进行了分析，提出了渗流控制设计原则和措施选择。

In the end, this paper suggests that, the anti-inrushing stability of confined water foundation pit in soft soil area should be analyzed from perviousness and inrushing mechanism of soil at the bottom of the pit.

最后分析指出，软土地区承压水基坑抗突涌稳定分析，应从坑底土透水性和土体发生突涌破坏的机理着手。

A Probe into Perviousness Test Method and Its Criterion in Bituminous Pavement

沥青路面渗水测定方法及其指标的探讨

Light; Study on perviousness of plant-growing concrete

植生混凝土的透水性能研究

A Study of the Second Addition to Raising Perviousness of Membrane

第二添加剂对提高膜透水性能影响的研究