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大量的理论分析和工程实践表明,几乎所有的钢筋混凝土构件均是带裂缝工作的。对于所处条件不同的裂缝有不同的允许宽度限制,不超过此限制值的裂缝我们认为对结构的使用无大的危害,可以允许其存在;而对于超过限制值的裂缝,不仅会影响建筑物的外观,更危及结构的安全性和耐久性。混凝土的裂缝问题是一个普遍存在而又难于解决的工程实际问题。该文分析了常见混凝土裂缝产生的原因,并提出了一些预防措施和处理方法。
A lot of theoretical analysis and engineering practice show that almost all of the reinforced concrete members work with cracks. There are different allowable width limits for cracks of different conditions, and cracks that do not exceed this limit We believe that there is no major harm to the use of the structure, which can be allowed to exist. For the cracks that exceed the limit value, not only the impact of the building The appearance, but also endanger the safety and durability of the structure. Concrete crack problem is a ubiquitous and difficult to solve practical engineering problems. This paper analyzes the causes of common concrete cracks and puts forward some preventive measures and treatment methods.