STUDY ON GROUTING MATERIAL MIXTURE OF JET GROUT FOREPILING METHOD

Yasuo KAWABATA; Tadashi INOMATA; Kensaku ICHIKAWA; Satoru OMORI; Takao FUKUI

doi:10.11532/journalte1991.4.377

PROCEEDINGS OF TUNNEL ENGINEERING, JSCE

Online ISSN : 1884-9091
ISSN-L : 1345-0832

STUDY ON GROUTING MATERIAL MIXTURE OF JET GROUT FOREPILING METHOD

Yasuo KAWABATA, Tadashi INOMATA, Kensaku ICHIKAWA, Satoru OMORI, Takao FUKUI

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Keywords: jet grout forepiling, grouting material, continuos piles, required strength, mixture method of grouting materials

JOURNAL FREE ACCESS

1994 Volume 4 Pages 377-382

DOI https://doi.org/10.11532/journalte1991.4.377

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Abstract

TOM-JET system is forepiling method applicable for various grounds. It is constructs continuous piles by jet grouting using an usual jumbo drifter for tunneling, and improves the ground before the excavation.
Piles strength is influenced by grounds, because piles consist of ground material and grouting material.
This report describes the followings;
(1) Estimation of the required strength of piles.
(2) Mixture method of grouting materials suited to grounds.

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