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目前北方平原灌区排水沟的坍塌问题仍是亟待解决的问题。一些常用的工程措施不仅费用高,而且很难解决土的冻胀问题。本文在分析内蒙古河套灌区排水沟坍塌原因的基础上,从土的冻胀力学观点出发,探讨了适应冻胀变形要求的排水沟护坡防塌工程的选型和设计方法,并力求在满足土的冻胀变形要求的前提下,使结构简单,经济耐用,便于工厂化生产。
At present, the problem of drainage ditch collapse in northern plain irrigation area is still an urgent problem to be solved. Some commonly used engineering measures are not only expensive, but also difficult to solve the problem of soil frost heaving. Based on the analysis of the causes of drainage ditch collapse in Hetao Irrigation District in Inner Mongolia, this paper discusses the selection and design method of drainage ditch slope protection and collapse prevention projects that meet the requirements of frost heave deformation from the point of frost heave mechanics. Under the premise of frost heaving deformation requirements, the structure is simple, economical and durable, easy to factory production.