热带气候黏土心墙堆石坝填筑施工技术  

Construction Technology for Filling Rockfill Dam with Clay Core Wall in Tropical Climate

作　　者：杨健 施飞宇 YANG Jian;SHI Fei-yu(POWERCHINA SINOHYDRO ENGINEERING BUREAU 14 CO.,LTD.,Kunming 650041,China)

机构地区：[1]中国水利水电第十四工程局有限公司,云南昆明650041

出　　处：《云南水力发电》2022年第S02期44-46,共3页Yunnan Water Power

摘　　要：依托斯里兰卡Moragahakanda水电站主坝(黏土心墙堆石坝),在热带地区高温气候条件下黏土心墙堆石坝施工中,为保证坝体安全稳定,防渗效果良好,把控多种材料填筑是重点和难点质量,其中接触黏土和黏土心墙填筑质量是核心。通过坝体埋设的监测仪器观测分析,坝体变形、渗漏、沉降等指标完全达到规范和设计要求,同时也验证了能克服热带气候条件下的施工难题,施工技术措施选择合理,实现工程顺利履约,达到业主要求,社会效益和经济效益都取得较好成效。In the construction of clay core rockfill dam in tropical high temperature climate,it is important and difficult to control the filling of various materials in order to ensure the safety and stability of the dam body and good seepage control effect.The filling quality of contact clay and clay core wall is the core.Through the observation and analysis of monitoring instrument embedded in the dam body,the indexes such as deformation,seepage and settlement of the dam body fully meet the requirements of specifications and design,and at the same time,it is verified that the difficult construction problem under tropical climatic conditions can be overcome.The selection of construction technology measures reasonably achieves the smooth performance of the project and meets the requirements of the owner.Better social and economic benefits have been achieved.

关 键 词：热带气候 黏土心墙堆石坝 填筑 施工技术 

分 类 号：TV541.1[水利工程—水利水电工程]