低温条件下碾压混凝土筑坝技术

RCC dam building technique at low temperature

本文针对低温条件下碾压混凝土筑坝技术展开研究。首先梳理分析低温条件下坝体温度控制及防裂特性,其次对中国低温条件下碾压混凝土筑坝方面取得的突破性技术进行总结,最后探究在低温地区碾压混凝土筑坝施工过程中遇到的难题,并指出未来低温地区推行碾压混凝土筑坝技术应该着重发展的方向及相关技术攻研方向。系统介绍低温条件下碾压混凝土筑坝技术施工中的难点、注意事项,为其后续研究提供思路,为实践应用提供理论依据。

In the paper, RCC dam building technique at low temperature is studied. Firstly, dam temperature control and anti-cracking features at low temperature are sorted and analyzed. Secondly, the breakthrough technologies of RCC dam building at low temperature in China are summarized. Finally, difficulties in the RCC dam building process at low temperature regions are explored. Main development direction and related technology research direction of RCC dam building technique at low temperature regions in the future are proposed. Difficulties and precautions in RCC dam building technique construction at low temperature are introduced systematically, thereby providing thoughts for future studies, and theoretical basis for practice application.