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논문 기본 정보

자료유형
학술대회자료
저자정보
김유성 (전북대학교) 원명수 (군산대학교) 최정호 (군산대학교) 최용훈 (지반이엔씨)
저널정보
한국지반신소재학회 한국지반신소재학회 학술발표회 2013 한국토목섬유학회 봄 학술발표회
발행연도
2013.4
수록면
41 - 44 (4page)

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This paper introduces a fortification and restoration method for Geosynthetic Reinforced Soil(GRS) segmental retaining walls damaged by fire deterioration. A 7.6m high GRS retaining walls damaged by fire deterioration was considered in this case study. It was decided to reconstruct the uppermost portion of the GRS wall, hence, a 3.2m high section was excavated and a new wall was erected and filled with soil. During the construction, concerns were raised that if a building is to be constructed at the top of the wall, the wall probably fail due to tensile overstress and is feared to collapse. To solve this problem, soil nailing was applied, where long corrugated pipes were inserted onto the wall to increase the stability and prevent the facing to fail. Reinforced concrete was then poured at the front of facing to hold the corrugated soil nailing together. The project was successfully constructed without backfill excavation. This rehabilitation technique without backfill excavation is expected to be useful for damaged and collapsed walls.

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UCI(KEPA) : I410-ECN-0101-2014-530-003560741