| 格八混凝土拱坝温度场仿真分析 |
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| 引用本文： | 陈海霞,何蕴龙.格八混凝土拱坝温度场仿真分析[J].水电能源科学,2009,27(4). |
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| 作者姓名： | 陈海霞 何蕴龙 |
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| 作者单位： | 武汉大学,水资源与水电工程科学国家重点实验室,湖北,武汉,430072 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 针对格八混凝土拱坝老坝加固工程,结合温度场的参数敏感性、混凝土绝热温升随龄期变化、分层浇筑等因素的影响,采用有限元法对温度场进行仿真分析,通过典型高程点的温度时程曲线及对拱坝上下游表面温度等值线图和最高温度包络图得出了新坝体温度场的分布和变化规律,为该拱坝及类似大坝进行温度应力和抗裂危险性分析奠定了基础.
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| 关 键 词： | 老坝加固工程 混凝土拱坝 热学参数 温度场 仿真分析 |
Simulation Analysis on Temperature Field of Geba Concrete Arch Dam |
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| CHEN Haixia HE Yunlong.Simulation Analysis on Temperature Field of Geba Concrete Arch Dam[J].International Journal Hydroelectric Energy,2009,27(4). |
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| Authors: | CHEN Haixia HE Yunlong |
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| Affiliation: | State Key Laboratory of Water Resources and Hydropower Engineering Science;Wuhan University;Wuhan 430072;China |
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| Abstract: | The temperature field of Geba old dam reinforcement project is analyzed by considering the process of pouring and using the FEM Method.In the process of analysis,the impact of parameter sensitivity of temperature field,change of adiabatic temperature with age of concret,concret placing by layer are combined.Through the elevation points of a typical time-temperature curve,as well as upstream and downstream of the dam surface temperature contour maps and maximum temperature envelope maps,the law of temperatur... |
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| Keywords: | old dam reinforcement project concrete arch dam thermal parameter temperature field simulation analysis |
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