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什么是混凝土施工缝，施工缝如何处理？
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什么是混凝土施工缝，施工缝如何处理？
时间：2022-04-02 22:14
关键词：
东北林业大学
土木工程
专升本
高层建筑技术讲座
期末考试
国家开放大学(建筑施工技术)
答案解析
答：由于技术或组织的原因，当混凝土不能连续浇筑且已浇筑的混凝土达到初凝时，应对先后浇筑的结合面作相应的处理后才能继续浇筑，结处理后的先后浇筑的混凝土结合面称为施工缝。处理方法：待已浇筑的混凝土强度达到1.2N/mm2时，凿毛已浇筑的混凝土表面并清除干净，浇筑一层水泥浆或与混凝土砂浆成分相同的砂浆，继续浇筑混凝土。
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