综合检测技术在面板堆石坝渗漏检测中的应用
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摘要
经过30多年发展,我国面板堆石坝建设成就显著,但同时也面临着诸如大坝渗漏等病害问题。面板堆石坝坝体材料的非同质和变形的多维度,使得大坝渗漏形式多样,给大坝渗漏检测带来巨大挑战。为此,针对新疆某面板坝,首先应用资料分析和水下机器人声纳扫描普查确定可能渗漏的区域,然后派潜水员进行水下高清摄像详查破损区,最后采用示踪剂进行连通试验验证此前判断。上述综合检测技术在该面板堆石坝渗漏检测中得到成功应用,相关经验可供类似面板坝渗漏处理参考。
The construction of concrete face rockfill dam( CFRD) in China has had remarkable achievement in the past 30 years. However,various hidden diseases,such as dam leakage,endanger the safety of dams. The non-homogeneity material and multi-dimensional deformation of CFRD make the dam leaking in various forms,bringing along great challenge to the dam leakage detection. In a CFRD in Xinjiang,data analysis and ROV sonar scanning survey were used to determine the possible leakage area. Then divers detected the damaged area in detail by using underwater HD camera. Finally connectivity test was carried out to verify the previous judgement. This technology has been successfully applied in the leakage detection of CFRD,and the experiences could be referred by other leakage detection.
The construction of concrete face rockfill dam( CFRD) in China has had remarkable achievement in the past 30 years. However,various hidden diseases,such as dam leakage,endanger the safety of dams. The non-homogeneity material and multi-dimensional deformation of CFRD make the dam leaking in various forms,bringing along great challenge to the dam leakage detection. In a CFRD in Xinjiang,data analysis and ROV sonar scanning survey were used to determine the possible leakage area. Then divers detected the damaged area in detail by using underwater HD camera. Finally connectivity test was carried out to verify the previous judgement. This technology has been successfully applied in the leakage detection of CFRD,and the experiences could be referred by other leakage detection.
引文
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[10]长江勘测规划设计研究有限责任公司.新疆某面板堆石坝大坝渗漏检测报告[R].武汉:长江勘测规划设计研究有限责任公司,2016.
[2]钮新强.高面板堆石坝安全与思考[J].水力发电学报,2017,36(1):104-111.
[3]谭界雄,王秘学,高大水.白云水电站混凝土面板堆石坝渗漏处理设计[J].大坝与安全,2016(4):1-5.
[4]蒋国澄,傅志安,风家翼.混凝土面板坝工程[M].武汉:湖北科学技术出版社,1997. 12.
[5]杨昭冬.新疆吉林台面板坝渗漏问题分析研究[D].北京:中国水利水电科学研究院,2007.
[6]钮新强,谭界雄,田金章.混凝土面板堆石坝病害特点及其除险加固[J].人民长江,2016,47(13):1-5.
[7]谭界雄,杜国平,高大水,等.声纳探测白云水电站大坝渗漏点的应用研究[J].人民长江,2012,43(1):36-37.
[8]桑恩方,安岩. 2005年大坝安全与堤坝隐患探测国际学术研讨会论文集[C]∥西安:中国大坝委员会,2005.
[9]王秘学,谭界雄,田金章,等.以ROV为运载体的水库大坝水下检测系统选型研究[J].人民长江,2015,46(22):95-98.
[10]长江勘测规划设计研究有限责任公司.新疆某面板堆石坝大坝渗漏检测报告[R].武汉:长江勘测规划设计研究有限责任公司,2016.