地下大体积混凝土裂缝的成因与控制  

Causes and Control of Underground Mass Concrete Cracks

作　　者：李玉芹[1] 

机构地区：[1]辽宁省水利水电勘测设计研究院,沈阳110006

出　　处：《农业科技与装备》2010年第6期73-74,共2页Agricultural Science & Technology and Equipment

摘　　要：混凝土结构在建设和使用过程中会出现不同程度、不同形式的裂缝,而大体积混凝土结构出现裂缝的机率更高,危及混凝土结构的安全性和耐久性,影响其使用功能。分析地下大体积混凝土裂缝产生的原因,提出相应的控制措施,以预防裂纹的发生和发展。Cracks of various degrees and forms will occur in the construction and the use of concrete structures,and this phenomenon is more likely for mass concrete structures,posing threat to the safety and stability of these structures.This article deals with the causes of mass concrete cracks.Accordingly,the author puts forward countermeasures to cope with these problems so as to prevent the occurrence and growth of these cracks.

关 键 词：地下大体积混凝土 裂缝 抗渗能力 控制 

分 类 号：U444.18[建筑科学—桥梁与隧道工程]