Polymer Cut-Off Wall Quality Testing Based on Direct Current Response Measuring

Xuan Lou; Rui Wang; Yang Zhou

doi:10.4028/www.scientific.net/AMR.838-841.1715

Paper Titles

Research on Key Algorithms for Seepage Analysis Using Composite Element Containing Drainage Holes
p.1693

Assessment of the Water Quality Status for the Jinshan Lake in Zhen Jiang
p.1698

Study on the Hydrodynamic Model for Jinshan Lake Based on the Dam Operation
p.1703

Study of Urban Flood Control Planning in Taiyuan
p.1709

Polymer Cut-Off Wall Quality Testing Based on Direct Current Response Measuring
p.1715

Safety Analysis of Cross Section of Sea Embankment and Viaduct
p.1719

Dynamic Structural Analysis of Large Dams by Fourier SEM
p.1726

Analysis the Influence of Layered Sediment on Seismic Responses of Concrete Dam
p.1733

Soil Erosion Prediction and Control of County River and Tributary in Lujiang
p.1738

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Polymer Cut-Off Wall Quality Testing Based on Direct Current Response Measuring

Abstract:

Polymer Cut-off wall is a new kind of anti-seepage work used in hydraulic and civil engineering. It is quite different from concrete cut-off wall in materials and sizes. Traditional quality testing methods such as elastic wave tomography, GPR and resistivity imaging are all not applicable in polymer cut-off wall quality testing. We design a new testing method based on DC potential measuring. We use electrodes to build underground electric field and measuring the change of potential near the wall to analysis the integrity of the wall. We finish a series of indoor model and some full-scale tests. The results prove that the method is effective and practicable in polymer cut-off wall quality testing.