高海拔大温差地区特高拱坝混凝土温度控制标准研究  

Research on Concrete Temperature Control Standards for High Arch Dams in Extra-high Altitude and Large Temperature Difference Regions

作　　者：赵恒 夏勇 杜光远 刘露 祝海霞 张鹏 ZHAO Heng;XIA Yong;DU Guangyuan;LIU Lu;ZHU Haixia;ZHANG Peng(Yebatan branch,Huadian Jinsha River Upstream Hydropower Development Co.,LTD.,Chengdu Sichuan 610041;PowerChina Chengdu Engineering Corporation Limited,Chengdu Sichuan 610072;China Northwest Water Conservacy and Hydropower Engineering Consulting,Co.,Ltd.,Xi'an Shaanxi 710100)

机构地区：[1]华电金沙江上游水电开发有限公司叶巴滩分公司,四川成都610041 [2]中国电建集团成都勘测设计研究院有限公司,四川成都610072 [3]中国水利水电建设工程咨询西北有限公司,陕西西安710100

出　　处：《四川水力发电》2025年第1期125-131,共7页Sichuan Hydropower

摘　　要：叶巴滩水电站位于高海拔、昼夜温差显著的地区,环境条件与国内其他已建的200 m以上特高拱坝存在显著差异,温控难度极高。文章基于高海拔地区的气候特点及依托工程的试验研究成果,通过仿真计算和规范推荐等方法,对叶巴滩拱坝在不同条件下的混凝土允许温差、上下层温差、内外温差控制标准进行了研究,初步确定了叶巴滩水电站的最高温度控制标准。The Yebatan Hydropower Project is located in a high-altitude area with significant day and night temperature differences.The environmental conditions of this area are significantly different from those of other 200-meter-plus ultra-high arch dams already built in China,making temperature control extremely difficult.Based on the climate features of high-altitude areas and the experimental research findings of the reference project,this paper conducts research on the allowable temperature difference,upper and lower layer temperature difference,and inner and outer temperature difference control standards of the Yebatan arch dam under different conditions through simulation calculation and standard recommendation methods.The paper initially determines the highest temperature control standard for the Yebatan Hydropower Project.

关 键 词：特高拱坝 混凝土温度 大温差 控制标准 

分 类 号：TV642.4[水利工程—水利水电工程] TV331