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对拉型挡土墙是双面薄墙、拉筋、填料组成两面墙由拉筋联接的一个整体结构,起挡土墙作用。此结构比传统的重力式挡土墙工期短、节省材料、投资省。我院从1984年4月至12月进行了拉筋在墙体内的锚固力试验及墙体位移观测。1984年12月至1986年3月在暗室进行了拉筋长期加载试验。在此期间完成的试验工程项目是邓空桥桥头引道挡土墙,此墙建在河滩上。墙身与基础均为5MPa的砂浆砌片
Retractable retaining wall is a double-sided thin-walled, stretching, packing composed of two walls connected by the reinforcement of a whole structure, played the role of retaining wall. This structure is shorter than the traditional gravity retaining wall construction period, saving materials and investing in the province. Our hospital from April 1984 to December carried out in the wall anchoring force test and wall displacement observation. December 1984 to March 1986 in the dark room conducted a long-term tensile loading test. In the meantime, the pilot project completed was a retaining wall at the approach bridge at Deng Qiao Bridge, which was built on the floodplain. Wall and foundation are 5MPa mortar masonry