PLANING, DESIGN AND CONSTRUCTION OF A GEOSYNTHETIC RETAINING WALL WITH HIGH EMBANKMENT

  • NISHIOKA Takahisa
    協和設計株式会社 本社設計部 部長(〒567-0877 大阪府茨木市丑寅2-1-34)
  • SHIBUYA Satoru
    神戸大学大学院工学研究科 市民工学専攻 教授(〒657-8501 神戸市灘区六甲台町1-1)
  • NISHIGUCHI Yoshitaka
    国土交通省 近畿地方整備局 福井河川国道事務所(〒918-8015福井市花堂南2-14-7)
  • HUR Jinsuk
    協和設計株式会社 本社設計部 課長(〒567-0877 大阪府茨木市丑寅2-1-34)
  • ITOU Shuuji
    前田工繊株式会社 補強土排水推進部 部長(〒919-0422 福井県坂井郡春江町沖布目38-3)

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Other Title
  • 高盛土補強土壁の計画・設計・施工
  • コウモリド ホキョウ ドヘキ ノ ケイカク セッケイ セコウ
  • コウモリツチ ホキョウ ドヘキ ノ ケイカク ・ セッケイ ・ セコウ

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Abstract

In this paper, case study is in detail described, regarding a geosynthetic reinforced wall (GRW) with high embankment behind was constructed over a deep valley. The descriptions deal with a flow of planning, site investigation, design and the construction of the GRW, together with engineering countermeasures in cope with the 20m high, which is beyond the scope of the current design and construction manual for the GRW. The details of geotechnical surveys, soil properties by laboratory tests, design of the GRW as well as the embankment, the observational construction with the FE analysis are well documented. Some useful countermeasures are proposed when the construction of GRW is obliged to conflict the current design/construction manual for GRW.

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