Chemical grouting is frequently used as a groundimprovement method for the construction of underground structures. However, it is difficult to evaluate the qualities of region solidified by chemical grouting. To solve this problem, we note that the electrical resistivity of chemical grout is much lower than that of the ground or ground water. We measured the electrical resistivity of some saturated sands and grouted sands in the laboratory, in order to investigate the electrical resistivity of the grounds before and after chemical grouting. On the basis of the results obtained, we propose a model of the electrical resistivity of ground before and after chemical grouting, and evaluate the grout void ratio, which is the volume ratio of grout occupying the void space of the improved ground. The validity of this evaluation is demonstrated by a comparison of the calculated and laboratory test results.
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April 1997
Research Article|
April 01 1997
Evaluation of chemical grouted soil by electrical resistivity
H. Komine
H. Komine
Central Research Institute of Electric Power Industry 1646 Abiko, Abiko-city, Chiba 270-11, Japan
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Publisher: Emerald Publishing
Received:
January 02 1996
Revision Received:
July 31 1996
Accepted:
September 24 1996
Online ISSN: 1755-0769
Print ISSN: 1755-0750
© Thomas Telford and ICE
1997
Proceedings of the Institution of Civil Engineers - Ground Improvement (1997) 1 (2): 101–113.
Article history
Received:
January 02 1996
Revision Received:
July 31 1996
Accepted:
September 24 1996
Citation
Komine H (1997), "Evaluation of chemical grouted soil by electrical resistivity". Proceedings of the Institution of Civil Engineers - Ground Improvement, Vol. 1 No. 2 pp. 101–113, doi: https://doi.org/10.1680/gi.1997.010203
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