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收稿日期: 2007-03-19
修回日期: 2007-04-10
网络出版日期: 2010-01-05
Causes and Prevention Measures for Cracks on Bulk Concrete Structures:
Case Study on Bridge Works on Hefei～Wuhan Railway
Received date: 2007-03-19
Revised date: 2007-04-10
Online published: 2010-01-05
大体积混凝土开裂后，严重影响结构的长期安全和耐久运行。而裂缝大多是在早期产生的，因此，探讨裂缝产生的原因和防止裂缝的出现就显得格外重要。通过对大体积混凝土裂缝产生的原因和类型的论述，从各个环节提出了预防裂缝的综合措施。
张丽 . 合武铁路桥梁工程大体积混凝土裂缝产生的原因与预防措施[J]. 隧道建设, 2007 , 27(增刊1) : 47 -48,82 . DOI: B
The cracks on bulk concrete structures have huge adverse effect on the longterm safety and durability of the structures. In most cases, the cracks occur in the early period. Therefore, it is of great importance to probe into the causes and prevention measures for the cracks. After presenting the causes for and types of the cracks on bulk concrete structures, the paper recommends comprehensive crackprevention measures in several aspects.
Key words： bridge works ; bulk concrete ; crack ; shrinkage ; stability ; crack control
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