Title: Interior Deformation Monitoring of Dam Body for 300 m High Grade CFRD
Abstract: Different from normal concrete faceplate rockfill dam(CFRD) at safety monitoring design for 300 m high grade CFRD,near 900 m wide of section for dam body will up against,it will be a new difficult problem at the interior deformation monitoring.The significance is expounded briefly about the interior deformation monitoring at high CFRD,it is analyzed that the insufficiency in method at interior horizontal displacement monitoring for normal CFRD.The rationality and feasibility of the method that used series staff extensometer device with CFRP material for monitoring horizontal displacement had bring forward and demonstrated.The automatic monitoring sensor based on macro pressure used to hydraulic overflow settlement cell will instead by macro displacement sensor put forwarded.The indispensability using transom type extensometer and hydraulic overflow settlement cell at settlement monitoring for high CFRD is discussed,and it is indicated that this combination layout will be a important guarantee for construction quality and safety function with concrete faceplate for high CFRD.The essentiality and possibility for setting up landscape orientation and lengthways gallery in dam body,the interior deformation monitoring at dam body extended by the lengthways gallery,and the tremendous benefit for construction period and future function period is emphasized on.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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Cited By Count: 1
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