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可能是收面早了，混凝土板，老裂缝。有什么好的处理方法呢？ - 工程施工 - 项目管理 - 氿上知道
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混凝土浇注后为有效防止开裂现象的发生，一般都是在混凝土初凝时（手指按表面不黏手刚好留指纹即可断为初凝），派专人边稍用力挤压边收面去掉一些细小裂纹，然后要及时对混凝土表面施以喷水养护，喷水时要注意不要过多，以喷雾小雨状最佳，喷水间隔时间应视施工环境温度、风力而定，以保持结构表面湿润为准。