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我们在广州某工程装配式预应力钢筋混凝土油罐施工中,采用铝粉作为膨胀剂来代替膨胀水泥,进行油罐壁板灌缝,成本约降低2/3,油罐于1973年建成投产以来,使用效果良好。
In the construction of an engineering prefabricated reinforced concrete oil tank in Guangzhou, we used aluminum powder as an expansive agent to replace the expansive cement and tank wall grouting. The cost was reduced by about 2/3. Since the oil tank was completed and put into production in 1973, The use of good results.