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在双层地基河堤背水侧采用盖重土层是一种有效的防止渗透变形的措施 .建立了计算盖重土层宽度和厚度的理论模型并提出了相应的求解方法 ,实例计算表明 ,用这一模型计算出的盖重土层的尺寸是合理和经济的
It is an effective measure to prevent seepage deformation in the back water side of double-layered foundation embankment.The theoretical model of calculating the width and thickness of heavy soil cover is established and the corresponding solution method is proposed.The calculation results show that The size of the overburden calculated by this model is reasonable and economical