薄壁衬砌混凝土裂缝成因与防治

Cause and Countermeasures of Thin Wall Lining Concrete Cracks

针对南水北调渠道衬砌裂缝的实际情况,对裂缝的产生和裂缝种类进行了阐述,并从基础方面影响、混凝土自身和外界环境影响、人为因素影响三个方面提出了预防和控制裂缝发生的措施,最后介绍了新的裂缝处理方法,希望能对提高混凝土衬砌质量起到一定的借鉴作用。

Aiming at the practical situation of South-north Water Diversion channel lining cracks , the article introduces the cause of cracks with its kinds. It also puts forward countermeasures for prevention and control of cracks from three affects： foundation, concrete and outer environment, and human factor. Finally the new crack repair method is introduced to provide a reference for improving concrete lining quality.