深厚覆盖层上建坝的主要技术问题  

Major Technical Problems of Constructing Dam on Deep Overburden

作　　者：党林才[1] 方光达[1] 

机构地区：[1]中国水电工程顾问集团公司,北京100120

出　　处：《水力发电》2011年第2期24-28,45,共6页Water Power

摘　　要：利用覆盖层建坝,有其特有的经济、工期和环保优势,但也有其局限性和技术难度。自20世纪以来,在覆盖层上已成功建成了最大高度达180m的各种类型的大坝,目前在建的最大坝高已达240m,覆盖层防渗处理最大深度达130m。归纳和总结了覆盖层地基上各种坝型的建设经验,分析了深厚覆盖层上建坝的主要技术问题及处理措施,提出了深厚覆盖层渗流量监测的建议,以及需要进一步研究解决的有关问题。Constructing dam on deep overburden has special benefits on economy, construction period and environmental protection, but is also restricted by technologies and others. Since the 20th century, a large amount of dams with different type were built on deep overburden in China, in which, the maximum height is 180 m and the deepest overburden seepage treatment is up to 130 m. The highest dam under construction on deep overburden is 240 m in China. The experiences on constructing dams on deep overburden are summarized and the major technical problems and proposed solutions are analyzed herein respectively. The seepage monitoring of deep overburden and the problems to being further study are also proposed.

关 键 词：深厚覆盖层 大坝 防渗处理 技术问题 

分 类 号：TU441.4[建筑科学—岩土工程] TV64[建筑科学—土工工程]