混凝土拱坝温控的动态分析理论与实践

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摘要温控防裂是混凝土高拱坝的关键技术问题和难题之一。以小湾超高拱坝为背景，从混凝土材料、理论方法、施工及工程措施等方面系统地研究与温控防裂有关的核心技术问题，制定温度场仿真分析的合理、可行、科学的技术路线，建立拱坝温控的动态跟踪仿真反馈分析系统及信息化动态设计方法，提出抗裂安全度取值建议、合理的温控设计方案，实现拱坝施工期全过程仿真反馈分析及温控措施的动态优化设计。实践表明，该研究成果对指导小湾拱坝的设计、施工具有十分重要的理论意义和现实意义。

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关键词 ：水利工程, 小湾拱坝, 温控防裂, 仿真反馈, 有限单元法, 信息化动态设计

Abstract：Temperature control and crack prevention are one of the key problems for high concrete arch dam. Taking Xiaowan project for example，the most important technologies of temperature control and crack prevention are studied systematically，which include material property，theory and methodology，construction and engineering measures etc.. The reasonable and scientific technology route for the temperature simulation feedback analysis is presented；the simulation feedback analysis system and dynamical information-based design methodology of temperature control design for arch dam are established. Limited value of safety degree for anti-cracking，reasonable scheme of temperature control are recommended for engineers. Therefore，the dynamical design based on simulation feedback analysis of arch dam is implemented well in Xiaowan project. The practical effect indicates that the achievements of this paper provide the theoretical supports and scientific information for the design and construction of Xiaowan arch dam project.

Key words： hydraulic engineering Xiaowan arch dam temperature control and cracking prevention simulation and feedback finite element method dynamical information-based design

收稿日期: 2011-06-22

引用本文:

傅少君1，张石虎1，解敏2，陈胜宏1. 混凝土拱坝温控的动态分析理论与实践[J]. 岩石力学与工程学报, 2012, 31(1): 113-122.
FU Shaojun1，ZHANG Shihu1，XIE Min2，CHEN Shenghong1. DYNAMIC ANALYSIS THEORY AND PRACTICE FOR TEMPERATURE CONTROL AND CRACKING PREVENTION OF CONCRETE ARCH DAM. , 2012, 31(1): 113-122.

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http://www.rockmech.org/CN/Y2012/V31/I1/113

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