大型地下室混凝土墙裂缝分析及控制

结合某大型地下室工程实践和试验研究,从设计、材料、施工3个方面分析了地下室开裂和渗漏的原因,提出了关于地下室结构后浇带、钢筋、混凝土、外加剂等方面抗裂防渗的设计和构造,并阐述了抗裂防渗高性能混凝土的研究和配制原则,以及地下室抗裂防渗的关键施工技术。

Crack analysis and control of extra wide underground RC structure

Based on the construction practice and testing research of large-scale basement projects, the author analyzes the reasons of cracks and penetration of basement from three aspects, such as design, materials and construction. The author also advises the design and construction about the anti-crack and anti-seepage of basement from such aspects as post-pouring belt, steel reinforcement, concrete and concrete admixtures. Finally, the author explains the research and mixture specification of high performance ant...