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doi:10.3850/GI178
Improvement of Soil Deposits by Curved Grouting
Hiroshi Yoshida1, Kunio Saito2,a and Kenji Ishihara2,b
1Chemical Grouting Co. Ltd., 2-2-5, Toranomon, Minato-ku, Tokyo, 105-0001, Japan.
h-yosida@chemicalgrout.co.jp
2Research and Development Initiative, Chuo University, 1-13-27-31225 Kasuga, Bunkyo-ku,
Tokyo 112-8551, Japan.
asaitoh@civil.chuo-u.ac.jp
bke-ishi@po.iijnet.or.jp
ABSTRACT
A brief description is given of the in-situ technique of drilling a long curved hole under the ground. As an example of utilizing this method, a conduct of in-situ pilot test in Japan is introduced in which jet-grouted column were installed in the horizontal direction in a saturated sand deposit. This example indicated viability and applicability of the technique for improving soil deposits in curved alignments.
Keywords: Jet grouting; curved; pilot test.
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