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一、概况该挡墙位于云南省开远市小龙潭煤矿,是一座公路路肩式加筋土的挡墙,墙高10.35米,长43米,于1983年4月施工,6月竣工。挡墙墙面由预制的扁六边形素混凝土面板拼装而成,面板尺寸1.1×0.5×0.16m,在两块面板之间联接一根拉筋。拉筋采用双股钢筋上焊接角钢并在角钢前加砖的形成。钢筋直径有φ10、φ12,φ14三种,角钢为50×50×140mm的等边角钢,拉筋上角钢的间距为1米,铺设时在每块角钢前加放一块普通建筑砖块。
I. Overview The retaining wall is located in Xiaolongtan Coal Mine, Kaiyuan City, Yunnan Province. It is a retaining wall of highway shoulder-type reinforced earth. The wall is 10.35 meters high and 43 meters long. It was constructed in April 1983 and completed in June. Retaining walls are assembled from prefabricated flat hexagonal concrete panels with a panel size of 1.1 × 0.5 × 0.16m and a tie bar between the two panels. Stretching double bar welded steel angle and the formation of bricks before the angle. Reinforcing bar diameter φ10, φ12, φ14 three, angle of 50 × 50 × 140mm equilateral angle steel, lacing angle on the steel spacing of 1 meter, laying in front of each angle plus a piece of ordinary building bricks.