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两河口水电站心墙防渗料掺砾试验
  • ISSN号：1006-7647
  • 期刊名称：《水利水电科技进展》
  • 时间：0
  • 分类：TV441[水利工程—水工结构工程]
  • 作者机构：[1]四川二滩建设咨询有限公司,四川成都610051, [2]二滩水电开发有限责任公司,四川成都610051
  • 相关基金：国家自然科学基金（70831005）
作者： 高鹏[1], 吴世勇[2]
关键词： 防渗料, 掺砾比, 击实试验, 力学性质, 心墙, 两河口水电站, impervious material, gravel ratio, compaction test, mechanical property, core wall, Lianghekou Hydropower Station
中文摘要：

为改善作为心墙防渗料的含砾低液限黏土的强度和变形性质,对两河口水电站300 m级心墙堆石坝防渗料进行掺砾研究,分别进行了击实试验和力学性质试验。试验结果表明：随着掺砾比增大,心墙防渗料的最大干密度逐渐增大,最优含水率逐渐减小;掺砾比为40%的心墙防渗料的变形和强度性质较好,临界水力梯度最高;掺砾比为30%和40%的心墙防渗料的渗透系数更接近规范要求。推荐两河口水电站心墙堆石坝心墙防渗料的掺砾比为40%。

英文摘要：

In order to improve the strength and the deformation properties of gravelly low liquid-limit clay as impervious material for a core wall,compaction and mechanical tests were conducted for the clay of the core rockfill dam（300m in height） at Lianghekou Hydropower Station.The experimental results show that the maximum dry density of mixed materials increases and its optimum moisture content decreases with the increase of gravel content;the strength and the deformation properties of mixed material with 40% gravel is the best and its critical hydraulic gradient is the highest;and the permeability coefficient of the impervious soil with 30% and 40% gravel is closer to the standard requirement.Therefore,the suggested gravel ratio of the impervious soil materials for Lianghekou Hydropower Station is 40%.

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期刊信息
  • 《水利水电科技进展》
  • 北大核心期刊（2011版）
  • 主管单位:教育部
  • 主办单位:河海大学
  • 主编：芮孝芳
  • 地址：南京市西康路1号河海大学
  • 邮编：210098
  • 邮箱：jz@hhu.edu.cn
  • 电话：025-83786335
  • 国际标准刊号：ISSN：1006-7647
  • 国内统一刊号：ISSN：32-1439/TV
  • 邮发代号:28-244
  • 获奖情况:
  • 全国水利系统优秀期刊,华东地区优秀期刊,江苏省优秀期刊
  • 国内外数据库收录:
  • 荷兰文摘与引文数据库,美国剑桥科学文摘,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:9466