施工技术

2006, (S1) 127-129

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冬期3.25m厚墙大体积混凝土温度监测及分析
Temperature Monitoring and Analysis of Mass Concrete of Thick 3.25m Wall in Winter

余斌,王明虎,徐皓
YU Bin,WANG Ming-hu,XU Hao(Shaanxi Astronautics Construction Engineering Company

摘要(Abstract):

依据现有的大体积混凝土裂缝控制理论,结合本工程混凝土结构的具体特点,采取低水化热复合硅酸盐水泥及“双掺”技术,优化混凝土配合比;在混凝土施工过程中适量掺加粒径150~200mm的毛石;加强混凝土的保温保湿养护等措施,有效地解决了大体积混凝土裂缝的控制问题,取得了良好的经济效益。
Based on the existing crack control theory of mass concrete and the characteristic of the concrete structure of this project,authors solve effectively the problem of crack control of mass concrete by using low-heat Portland cement and both-mix technique,optimizing mix ratio of concrete,mixing properly pebbles of diameter 150~200mm and strengthening concrete curing,which obtain good economic efficiency.

关键词(KeyWords): 大体积混凝土;裂缝控制;测温;配合比;冬季施工
mass concrete;crack control;temperature monitoring;mix ratio;construction in winter

Abstract:

Keywords:

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作者(Author): 余斌,王明虎,徐皓
YU Bin,WANG Ming-hu,XU Hao(Shaanxi Astronautics Construction Engineering Company

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