• Title/Summary/Keyword: Steel framed-facing

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Field Performance of Reinforced Earth Wall with Steel Framed-Facing (강재틀 보강토옹벽에 대한 현장 시험시공)

  • Lee, Kwang-Wu;Cho, Sam-Deok;Kim, Ju-Hyong;Seo, Chang-Won
    • Journal of the Korean Geosynthetics Society
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    • v.6 no.4
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    • pp.39-48
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    • 2007
  • This paper introduces a recently developed reinforced earth wall system with steel framed-facing. The new system incorporates a steel-framed facing that might be assembled on-site and steel strip or geogrid type reinforcements for backfill area. In order to enhance scenery view design of the wall construction, dual-structured facing is proposed in which room for planting space locates in the front of facing. A reinforced earth walls using the proposed system was constructed to verify constructability of the proposed system and facing movement and tensile characteristics of reinforcement were measured to understand the mechanical behavior.

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Behaviour of Reinforced Earth Wall with Steel Framed-Facing based on Field Test (현장시험을 이용한 강재틀 보강토옹벽의 안정성 평가)

  • Lee, Kwang-Wu;Cho, Sam-Deok;Han, Jung-Geun;Hong, Ki-Kwon
    • Journal of the Korean Geosynthetics Society
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    • v.10 no.4
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    • pp.37-47
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    • 2011
  • This paper describes the stability evaluation of reinforced earth wall with steel framed-facing based on field test. The reinforced earth wall with steel framed-facing is composed of wall facing, reinforcement and backfill soil. The wall facing is assembled by steel frames and the aggregates are filled in that. The reinforcement is steel strip type based on bearing resistance. Field test is conducted to evaluate for two separate sections and the measurement is conducted according to construction elapsed time of structure for earth pressure, horizontal displacement of wall facing and reinforcement strain. The evaluation results show that the measured earth pressure is less than theoretical earth pressure due to dispersion effect of earth pressure by the applied reinforcement. Also, the horizontal displacement of wall facing satisfied a empirical criteria and the measured strain of reinforcement had nearly no effect on stability of structure. Therefore, the reinforced earth wall with steel framed-facing has a structural stability and it can be commonly used in field.