INVESTIGATION ON THE EFFECTIVENESS OF STEEL ANCHOR PLATE-REINFORCED EMBANKMENT ON SOFT GROUND

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  • プレート付アンカー鉄筋の盛土補強効果の簡易手法による予測ならびに軟弱地盤上の実盛土による検証
  • プレート ツキ アンカー テッキン ノ モリド ホキョウ コウカ ノ カンイ シュホウ ニ ヨル ヨソク ナラビニ ナンジャク ジバン ジョウ ノ ジツ モリド ニ ヨル ケンショウ

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Abstract

Using a model embankment, finite element analyses based on initial stress method and using comparatively simple input parameters have been performed to investigate the effectiveness of steel anchor plates installed within embankments built over soft ground. This paper presents the results of the analyses made considering steel anchors placed in three layers within a test embankment. The effects with or without such steel anchors as well as the number of layers installed on the magnitude of stresses on steel anchors, the lateral movement and the stability of the embankment were analyzed using finite element method. The results showed that steel anchors not only restrained the lateral movement of the embankment but also increased its stability. Moreover, it was also observed that placing the steel anchors either in two layers or in three layers have the same effects on the embankment.

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