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为保证小河边下穿隧道结构安全及使用寿命,针对长节段、大跨度混凝土的裂纹问题进行分析,制定预防措施,为以后长大混凝土施工中裂纹控制提供经验。
In order to ensure the safety and service life of tunnel structure under small river crossing, the crack problems of long section and long-span concrete are analyzed and preventive measures are formulated to provide experience for the future crack control in the concrete construction.