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天安门通道主体结构工程正值严寒的冬季施工,现浇砼7000余方,这样大方量砼,要求在短工期内达到要求的强度,除了对砼配比进行合理的调整和掺加早强抗冻剂外,养生方法的选择是十分重要的因素。本工程垫层、底板、顶板砼、砖模内抹面均采用了特大型电热毯复盖养生的方法,收到了较好的质量效果。下面将电热毯规格、使用方法、注意事项和测温情况小结一下:
Tiananmen Square main body structure project coincided with the cold winter construction, cast concrete more than 7,000 square, so generous amount of concrete, requiring a short period of time to achieve the required strength, in addition to the ratio of concrete to make reasonable adjustments and mixed with early strength and frost resistance Agents, the choice of regimen is a very important factor. The project cushion, floor, roof concrete, brick mold surface are used extra large electric blanket cover health methods, received better quality results. The following electric blanket specifications, methods of use, precautions and temperature summary of the situation: