| 大坝混凝土的温度控制与防裂新措施 |
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| 引用本文： | 李万军.大坝混凝土的温度控制与防裂新措施[J].水电站设计,2006,22(3):6-10. |
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| 作者姓名： | 李万军 |
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| 作者单位： | 四川大学,水利水电学院,四川,成都,610065 |
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| 摘 要： | 扼要叙述了温控设计的基本要点、混凝土特性对温度应力设计的影响。概述了提高大坝抗裂能力的主要因素,并从体积变形来研究温控问题。着重介绍了MgO混凝土筑坝技术、防裂补偿原理、基本特征、筑坝理论体系,并用实例说明了应用概况和效果。
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| 关 键 词： | 大体积砼 温度应力 温控设计 MgO膨胀砼 防裂措施 |
| 文章编号： | 1003-9805（2006）03-006-05 |
| 收稿时间： | 2005-12-12 |
| 修稿时间： | 2005-12-12 |
Dam Concrete Temperature Control and New Anti-cracking Measures |
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| LI Wan-jun.Dam Concrete Temperature Control and New Anti-cracking Measures[J].Design of Hydroelectric Power Station,2006,22(3):6-10. |
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| Authors: | LI Wan-jun |
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| Affiliation: | School of Water Conservancy and Hydropower Engineering, Sichuan University, Chengdu 610065, China |
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| Abstract: | This paper gives a brief presentation of temperature control basic main points and effects of concrete properties on temperature stress.In the paper main factors for improving anti-cracking capability of concrete dams are described,temperature control problem is studied from volumetric changes of dam concrete,in particular MgO concrete dam construction technology,the anti-cracking principle,basic characteristics,dam construction theory system are presented and examples are given to illustrate effectiveness of its application. |
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| Keywords: | mass concrete theromal stress temperature control MgO expansive concrete crack control measure |
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