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通过对主跨 32m的北京城市铁路预应力混凝土连续箱梁水化热温度及温度应变测试结果的分析 ,阐述了箱梁混凝土水化热温度及温度应变发展的特点 ,提出了防止温差过大而引起混凝土开裂的工程措施
Based on the analysis of the test results of hydration temperature and temperature strain of prestressed concrete continuous box girders of Beijing main railway with a span of 32 m, the characteristics of hydration temperature and temperature strain of concrete in box girder are expounded. Preventive measures to prevent the temperature difference from causing concrete Cracking engineering measures