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全现浇钢筋混凝土楼屋面板的裂缝,是目前较难克服的质量通病之一,上海市建设和管理委员会针对这一问题,在去年年底印发了《控制住宅工程钢筋混凝土现浇楼板裂的技术导则》的文件。该导则抓住了主要矛盾,从设计、材料、施工三大方面提出改进和防治措施,并结合大量相关资料阐述一下我的观点。重点以设计为主、兼顾施工和材料原因分析楼面裂缝的综合性防治及具体措施。
Cracks in the cast-in-place reinforced concrete floor panels are one of the common quality problems that are difficult to overcome at present. The Shanghai Construction and Management Commission, in response to this issue, issued the “Technology for Controlling the In-situ Reinforced Concrete Floor Slab Cracking of Residential Projects by the end of last year Guidelines ”document. This guideline captures the major contradictions and proposes improvements and prevention measures from the three aspects of design, materials and construction, and expounds my point of view based on a large amount of relevant information. Focus on design-based, taking into account the construction and materials analysis of the comprehensive prevention and control of concrete floor cracks and specific measures.