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华北商厦六层营业厅内设计有一宽150m的六步砖砌台阶,台阶面层铺贴抛光地砖。抛光地砖质地坚硬、光泽度优良,台阶面层抛光地砖主材选用800mm×800mm×12mm的抛光地砖;台阶上面两边设计有不锈钢扶手,扶手立管根部与台阶预埋铁焊接,焊接时在台阶面层上需钻4个直径为76mm的圆孔,为了保证钻孔位置的准确和面层不被划坏,采取了先铺贴台阶面层、后钻孔的施工方法,其施工方法如下。
Huabei commercial six-storey business hall design has a six steps 150m wide brick steps, paving the stairs surface layer of polished tiles. Polished tiles with hard texture, good gloss, the main step of the polished surface tiles use polished 800mm × 800mm × 12mm polished floor tiles; stainless steel handrails designed on both sides of the steps, handrails riser root and step embedded iron welding, welding step surface To drill four holes with a diameter of 76mm on the floor, in order to ensure the accurate drilling position and the surface is not damaged, the first floor pavement step, the construction method after the drilling, the construction method is as follows.