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Application of dam piezometer pipe data analysis in seepage safety assessment of Beixingjia reservoir

Mou Yan-ni

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Abstract

By data analysis of dam piezometer pipe,combined with routine inspection and geological survey of Beixingjia reservoir,the quality problem of bad filling and high permeability of the clay core wall was found.Also,the problem that dam upstream water level was higher than reservoir water level exists at some dam blocks.This paper compared the measured phreatic line to calculative phreatic line,and verified the seepage coefficient adopted in theory analysis.

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What this paper is about

By data analysis of dam piezometer pipe,combined with routine inspection and geological survey of Beixingjia reservoir,the quality problem of bad filling and high permeability of the clay core wall was found.Also,the problem that dam upstream water level was higher than reservoir water level exists at some dam blocks.This paper compared the measured phreatic line to calculative phreatic line,and verified the seepage coefficient adopted in theory analysis.

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Available abstract

By data analysis of dam piezometer pipe,combined with routine inspection and geological survey of Beixingjia reservoir,the quality problem of bad filling and high permeability of the clay core wall was found.Also,the problem that dam upstream water level was higher than reservoir water level exists at some dam blocks.This paper compared the measured phreatic line to calculative phreatic line,and verified the seepage coefficient adopted in theory analysis.

Key concepts: Piezometer, Phreatic, Geotechnical engineering, Geology, Permeability (electromagnetism), Water level, Embankment dam, Groundwater

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Application of dam piezometer pipe data analysis in seepage safety assessment of Beixingjia reservoir — Research Paper | ScholarLens