裂缝会降低建筑物的承载力,还会造成渗漏,引起混凝土强度的降低和加速结构物的腐蚀及混凝土的碳化等。工程实践证明泥凝土结构物的裂缝是很难避免的,尤其是大体积混凝土更容易出现裂缝,但通过一些措施可以使裂缝降到最低程度。降低混凝土结构物裂缝的措施有三种:材料控制、设计控制和施工控制。 Cracks will reduce the carrying capacity of buildings, but also cause leakage, causing the concrete to reduce the strength and accelerate the corrosion of structures and concrete carbonation. Engineering practice has proved that cracks in concrete structures are hard to avoid. In particular, large-volume concrete is more prone to cracks, but some measures can minimize the cracks. There are three measures to reduce the cracks in concrete structures: material control, design control and construction control.