DISCUSSION ON COMPREHENSIVE INSPECTION METHODS OF VERTICAL CUT-OFF CURTAIN FOR CITY LANDFILL SITES

ZOU Chen-yang; ZHANG Shuang-xi; CHEN Fang

doi:10.13205/j.hjgc.202009031

Volume 38 Issue 9

Nov. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(9): 194-199

ZOU Chen-yang, ZHANG Shuang-xi, CHEN Fang. DISCUSSION ON COMPREHENSIVE INSPECTION METHODS OF VERTICAL CUT-OFF CURTAIN FOR CITY LANDFILL SITES[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 194-199. doi: 10.13205/j.hjgc.202009031

Citation:

ZOU Chen-yang, ZHANG Shuang-xi, CHEN Fang. DISCUSSION ON COMPREHENSIVE INSPECTION METHODS OF VERTICAL CUT-OFF CURTAIN FOR CITY LANDFILL SITES[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 194-199. doi: 10.13205/j.hjgc.202009031

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DISCUSSION ON COMPREHENSIVE INSPECTION METHODS OF VERTICAL CUT-OFF CURTAIN FOR CITY LANDFILL SITES

doi: 10.13205/j.hjgc.202009031

1. School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China;
2. Jiangxi Provincial Institute of Water Science, Nanchang 330029, China;
3. Jiangxi Provincial Research Center on Hydraulic Structures, Nanchang 330029, China

Received Date: 2019-09-17

Abstract

Abstract

The feasibility of the combining geophysical methods with borehole testing to examine the cut-off curtain at a city landfill site was discussed by adopting means of high-density resistivity method, cross-borehole ultrasonic transmission method and borehole television, in the inspection and resorting to multivariate regression in the analysis. The results indicated that high density resistivity method, with its high efficiency, could achieve an overall inspection of the cut-off curtain and delineated suspicious quality defect area. On this basis, cross-borehole ultrasonic transmission method and borehole television, which was intuitive and accurate, could be used to determine the specific characteristic and location of the defects, so as to narrow down the scope of reinforcing. Through multi-scale collocation and multi-parameter verification, this recommended comprehensive method could achieve effective inspection, with different requirements in testing scope and precision of the cut-off curtain.
- landfill,
- cut-off curtain,
- comprehensive testing,
- high density resistivity method,
- cross-borehole ultrasonic transmission method,
- borehole television

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References(18)

References

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