| 江坪河放空洞有压洞口段衬砌混凝土冬季温控方案分析 |
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| 引用本文： | 张军,段亚辉.江坪河放空洞有压洞口段衬砌混凝土冬季温控方案分析[J].中国农村水利水电,2011(6). |
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| 作者姓名： | 张军 段亚辉 |
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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,武汉,430072 |
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| 摘 要： | 冬季衬砌混凝土施工面临的寒潮等问题,容易导致混凝土产生裂缝.基于有限元分析软件ANSYS,对江坪河放空洞有压段洞口段衬砌厚度为1.0 m的混凝土的拆模时间、围岩特性以及在遭遇寒潮时保温与否等6种不同的方案的进行了分析,并提出相应的温控方案和温控标准供设计与施工参考.
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| 关 键 词： | 衬砌混凝土 有压洞口段 冬季温控 拆模时间 围岩特性 寒潮保温 方案分析 |
An Analysis of Schemes of Temperature Control in Winter of the Jiangping River's Emptying Tunnel of the Compressive and the Tunnel Protal Section of Lining Concrete |
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| ZHANG Jun
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DUAN Ya-hui.An Analysis of Schemes of Temperature Control in Winter of the Jiangping River's Emptying Tunnel of the Compressive and the Tunnel Protal Section of Lining Concrete[J].China Rural Water and Hydropower,2011(6). |
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| Authors: | ZHANG Jun DUAN Ya-hui |
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| Institution: | ZHANG Jun1,DUAN Ya-hui2(State Key Laboratory of Water Resources and Hydropower Engineering,Wuhan University,Wuhan 430072,China) |
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| Abstract: | The construction of lining concrete in winter faces some problems such as cold waves.It can easily lead to cracks of concrete.Based on the finite software ANSYS,this paper analyzes the construction schemes in winter of the lining concrete of the compressive and the tunnel protal section of Jiangping River.Removal time,rock features and cold wave construction schemes of the lining concrete with thickness of 1.0m are discussed.The corresponding controlling scheme and controlling standards are put forward as f... |
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| Keywords: | lining concrete compressive and the tunnel protal section removal time rock features cold wave winter temperature control scheme analysis |
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