EVALUATION OF CHEMICAL GROUTED AREA BY RESISTIVITY TOMOGRAPHY METHOD

概要

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The resistivity tomography, the horizontal electrical profiling, and the elastic wave tomography methods were used for evaluating an improved area in gravelly soils by chemical grouting. The first and second methods are basically the same; however, the second method is much easier to perform. The availability of the second method is also investigated. The improved area was confirmed by excavation after grouting. The actual improved area was compared with the area estimated by using the above three methods. Among them, the resistivity tomography method could nearly estimate the grouted area in cooperation with the analytical method used by Komine et al. It was, however, difficult to evaluate the grouted area by either the horizontal electrical profiling nor the elastic wave tomography method in the present case.
社団法人地盤工学会の論文
2002-08-15