【摘要】 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更多还原

【Abstract】 According to the result of the hydration temperature and strain observation of the 32m long span prestressed concrete continuous box girder of Beijing Urban Railway, the characteristics of the development of the concrete hydration temperature and strain are analyzed. Measures to prevent concrete cracks caused by great temperature difference are given.更多还原