摘要
土壤中设置砂层将起到阻水减渗的作用 ,使大部分土壤水分滞留在砂层以上的细质土层中 ,这是近年来提出的较为有前途的建筑减渗防渗措施。从物理角度和土壤能量观点分析了砂层在土壤中的阻水减渗的物理机制 ,旨在理论上解释砂层在土壤中的阻水减渗性 ;同时从建筑防渗角度对砂层最优埋深作了分析 ,给出了表层土壤的水分分布的解析解。
Sand layer set in loess will play a part in water resistance and depreciation so as to make most of soil water retain in fine soil layer over sand layer. This is the bright measure suggested in recent years for water depreciation reduction and resistance in architectural construction. The physica physical mechanism of water resistance and depreciation of sand layer in loess is analysed from the physical angle and the view of soil energy, with the purpose to account for the behaviors of water resistance and depreciation of sand layer in loess theoretically. And at the same time, the optimal burying depth of sand layer in loess is analysed from the angle of infiltration proof in architecture; and the tactic distribution of soil water in surface layer is given in this paper.
出处
《西安理工大学学报》
CAS
2000年第2期170-174,共5页
Journal of Xi'an University of Technology
关键词
阻水减渗性
物理机制
合理埋深
砂土夹层
sand layer
water resistance and depreciation
physical mechanism
rational burying depth
