论述了道桥工程中混凝土裂缝控制技术的重要性，并针对道路桥梁建设中混凝土裂缝的产生原因，阐述了混凝土材料、温度裂缝及收缩裂缝的控制措施，以确保道路桥梁运营的安全性。%The paper indicates the importance of the concrete crack controlling techniques in the road and bridge projects,and illustrates the con-trolling measures for the concrete materials,temperature crack,and shrinkage cracks according to the reasons for the concrete cracks in the road and bridge construction,so as to ensure the safety of the road and bridge operation.
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