【摘要】 某水利工程混凝土方涵分段浇筑施工过程中,每段长15m的涵体两端部向内5m左右部位,规律地出现了表面可见的细微竖向贯通裂缝.对设计和施工过程进行了详细分析,最终调整混凝土的配合比,减少了水泥用量,有效控制了裂缝重现.更多还原

【Abstract】 One water conservancy project, in the bulk concrete construction of underground quadrate culvert, hair like cracks appearance regularly about in 5m from both ends of every 15m long section. Analysis the process of design and construction, avoiding the cracks happen again by adjustment the ratio of the concrete, reducing the content of cement,and so on.更多还原