Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第VI部門

地盤改良 (1)

Thu. Sep 5, 2019 2:25 PM - 3:55 PM VI-10 (幸町総合教育棟 多目的室3)

座長:足立 有史(安藤・間)

[VI-678] Development of New High Pressure Injection Mixing Methods with high cutting efficiency
Part1 : Verification of the effect of super absorbent polymer water jet

*下坂 賢二1、赤塚 光洋1、大野 康年2、伊藤 孝芳2 (1. 戸田建設株式会社、2. 太洋基礎工業)

Keywords:High-pressure injection mixing methods, Ground improvement, Sludge reduction, Super absorbent polymer

Authors are working on development of the new high-pressure injection mixing methods of construction which had volume reduction-ization of haidoro by improvement of the cut ability for its object. I aimed at a jet of the super absorbent polymer material I made water absorb (super absorbent polymer water) and improvement of the cut ability by the addition jet of sand as a scourer in Honkaihotsu. A jet of super absorbent polymer water jetted by conventional water injection and super absorbent polymer water in the jet test which can be put in the intention as the first news by this report, and confirmed that the cut ability improved more than conventional water injection.

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