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本文通过试验研究探讨了土料性质,土体干容重、饱和度、渗流出口的淹没情况,制样时的含水量、土与反滤层的结合条件以及反滤料的粒径大小等因素对一般粘性土抗渗强度的影响。结果表明,上述诸因素均有明显的影响。其中主要因素是土的干容重和反滤层的粒径大小。抗渗强度与干容重呈双曲线函数关系。防渗体与反滤层平起平上的施工方法是较好的方法,可保证防渗体具有较高的抗渗强度。只要遵守现有的设计和施工原则,粘性土肯定具有较高的抗渗强度。按正常条件进行试验所得扰渗强度,用于工程时采用6.5—12.5的折减系数将具有足够的可靠性。粘性土第一层反滤的设计应考虑一定的土的凝聚性。
In this paper, the properties of soil material, soil bulk density, saturation, submergence of seepage outlet, water content during sample preparation, the combination of soil and anti-filter layer and the size of filter material Impact of general cohesive soil anti-seepage strength. The results show that these factors have a significant impact. The main factor is the dry weight of the soil and the size of the filter layer. Anti-seepage strength and dry weight hyperbolic function relationship. Anti-seepage body and anti-filter layer on the construction method is equal to the better method to ensure anti-seepage body has a higher anti-seepage strength. As long as the existing design and construction principles are adhered to, cohesive soils must have a high degree of resistance to permeation. According to the normal conditions of the test results of the scouring strength, for the project with a 6.5-12.5 reduction factor will have sufficient reliability. The design of the first layer of cohesive soil filter should consider certain soil cohesion.