Therefore, to research and perfect the theory study and calculating method of temperature field in concrete box-girder basing on long-term observation data is the purpose of this dissertation.
论文旨在混凝土公路箱梁桥温度场的长期观测数据基础上深入研究并完善公路桥梁混凝土箱梁温度场的理论与计算方法。
In the computation of stress field, the factors, such as temperature load, deadweight of concrete, water potential, creep stress and self expansion of concrete, are involved in the program.
计算中考虑了温度荷载、自重、静水压力、混凝土徐变和自生体积变形等情况。
The key of temperature field analysis in massive concrete is the model for hydration heat of cement.
大体积混凝土结构水化热温度场分析的关键是混凝土中水泥水化反应放热模型的确定。
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