施工技术

2012, v.41;No.361(06) 28-32

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大体积混凝土施工中的裂缝控制
Crack Control of Mass Concrete Construction

龚剑,李宏伟
Gong Jian1,Li Hongwei2(1.Shanghai Construction Group Co.

摘要(Abstract):

大体积混凝土裂缝控制是《混凝土结构工程施工规范》GB50666—2011现浇结构工程章节中的重要内容之一。主要内容有:大体积混凝土概念,混凝土采用后期强度的规定,混凝土温度控制要求,基础大体积混凝土测温点设置,柱、墙、梁大体积混凝土测温点设置,大体积混凝土测温要求和测温频率等。介绍了施工规范中大体积混凝土裂缝控制的相关内容、编制背景及应用中需注意的若干问题。
Crack control of mass concrete is one of the important contents of cast-in-situ concrete in Code for construction of concrete structures GB50666—2011.Its main contents include concept of mass concrete,regulation of applying later strength of concrete,temperature control requirement of concrete,temperature measurement points setting for foundation concrete,temperature measurement points setting for column,wall and beam concrete,temperature measurement requirement and frequency for mass concrete.The corresponding content,compilation background and several problems during application for crack control are introduced.

关键词(KeyWords): 混凝土工程;大体积混凝土;裂缝控制;温度控制;测温
concrete engineering;mass concrete;crack control;temperature control;temperature measurement

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作者(Author): 龚剑,李宏伟
Gong Jian1,Li Hongwei2(1.Shanghai Construction Group Co.

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