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挡土墙是指支承路基填土或山坡土体、防止填土或土体变形失稳的构造物。在挡土墙横断面中,与被支承土体直接接触的部位称为墙背;与墙背相对的、临空的部位称为墙面;与地基直接接触的部位称为基地;与基底相对的、墙的顶面称为墙顶;基底的前端称为墙趾;基底的后端称为墙踵。文章从挡土墙的概念、种类、划分与应用出发,探讨了挡土墙布置原则、挡土墙设计和基础设计,从而为解决长输管道水工保护问题提供思路。
Retaining wall refers to the support subgrade fill or hillside soil, to prevent filling or soil deformation instability structure. In the cross-section of the retaining wall, the part in direct contact with the soil to be supported is called the back of the wall. The part facing the back of the retaining wall is called the wall. The part in direct contact with the foundation is called the base. The top of the wall is called the top of the wall; the front of the base is called the wall toe; and the back of the base is called the butt. Based on the concept, type, division and application of retaining wall, the article discusses the principle of retaining wall, the design of retaining wall and the basic design, so as to provide ideas for solving the problem of hydraulic protection of long distance pipeline.