现浇混凝土早期裂缝的成因与控制  

CAUSES AND COUNTERMEATURES OF SITE-CAST CONCRETE CRACKING

作　　者：马新伟[1] 王吉良[2] 邙静喆[1] 

机构地区：[1]哈尔滨工业大学材料科学与工程学院,150006 [2]黑龙江省寒地建筑科学研究院哈尔滨,150080

出　　处：《低温建筑技术》2002年第2期78-79,共2页Low Temperature Architecture Technology

摘　　要：文章概述了工程中现浇普通混凝土和高性能混凝土裂缝的成因 ,指出高性能混凝土的化学收缩和自收缩是引起混凝土开裂的主要原因 ,针对普通混凝土和高性能混凝土的具体特点 。The causes of crack in site-cast concrete were discussed in this paper, and it is pointed out that chemical shinkage and autogenous shrinkage are the main causes of crack in high performance concrete(HPC).At the basis of characters of common concrete and high performance concrete, countermeasures were presented.

关 键 词：裂缝 收缩 化学收缩 自收缩 

分 类 号：TU746.1[建筑科学—建筑技术科学]