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50 0kV梧州变电站三期工程是在原 5 0 0kV开关站基础上扩建升级为变电站的 ,扩建后变电站场地形成了 2级阶梯 ,边坡高度达到 9～ 11m ,需防护处理。经多方案比较 ,最后决定 ,边坡高于 6m的地段采用“加筋土”挡墙方案。“加筋土”挡墙与传统的条 (块 )石、混凝土挡墙相比 ,可节约工程造价 2 0 %～ 5 0 % ,而且施工快速、简单、外形美观 ,可节约土地和大量建筑材料。
50 0kV Wuzhou Substation Phase III project is expanded and upgraded to a substation on the basis of the original 500kV switchyard. After the expansion, the substation site has formed 2 steps and the slope height reaches 9 ~ 11m, so it needs protection treatment. The multi-program comparison, the final decision, the slope of more than 6m section of the “reinforced soil” retaining wall program. The “reinforced earth” retaining wall can save 20% ~ 50% of the construction cost compared with the traditional strip (block) stone and concrete retaining wall, and the construction is fast, simple and beautiful in appearance, which can save land and a large amount of construction materials .