• 제목/요약/키워드: Slope reinforcement method

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사면보강 공사시 관리 방안 (Plan of Construction Management for Reinforcement Method of Slope)

  • 박종호;정희석;이재덕;홍익표
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2002년도 가을 학술발표회 논문집
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    • pp.44-51
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    • 2002
  • The construction road and addition work are increasing now. Therefore, slope stability is important in construction slope on the fault and fractured zone. Rock bolt method, soil nailing method and anchor method are applied to reinforcement method of slope. This paper is the study for construction management on reinforcement method of slope.

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완경사 사면붕괴 지역의 안전성 보강대책 연구 (A Study on Reinforcement for Slope Stability of Gentle Inclination Slope Collapse Occurrence Area)

  • 이승호;황영철;조성민;노흥제;이은동
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2003년도 사면안정학술발표회
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    • pp.83-91
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    • 2003
  • Always slope according to construct road exist danger because of environment unstability factor in slope, Since this research an inclination of slope is gentle slope (1:1.5∼1:9.0) but falling happened by conduct of continuous ground movement. And this study considered more economical and efficient reinforcement method for slope stability. The various reinforcement methods are applied to execute examination of slope stability. Applied reinforcement methods satisfied safety factor And this research region is performing continuous measurement about ground movements and displacements.

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사면보수보강을 위한 FPF 보강공법개발 (FPF(Fibrillated Polypropylene Fiber) Reinforcement Method for Slope Repair)

  • 김낙경;박동원
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2001년도 봄 학술발표회 논문집
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    • pp.257-264
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    • 2001
  • This study presents the slope stability analysis results for the model slope test. The model slope was made of the soil reinforced by FPF(Fibrillated Polyprophylene Fiber). The shear strength properties of the soil reinforced by FPF fibers were evaluated through the direct shear tests. The model slope 1:1 and 1:1.5 were made and the load tests were performed. Back analysis using limit equilibrium method was carried out to evaluate the shear strength increase on the FPF reinforced slope. The factor of safety of the FPF reinforce slope increased about 23% over unreinforced slope.

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채석장 사면의 안정성 검토 및 보강대책에 관한 사례 연구 (A case study on stability and reinforcement method of cut slope at quarry)

  • 박춘식;최준삼;서효식
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2009년도 춘계 학술발표회
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    • pp.677-685
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    • 2009
  • 연구대상 사면에 대해 정밀한 현장조사 및 안정성 검토를 실시한 결과 다음과 같은 결론을 얻었다. 1. 연구 대상 사면의 붕괴 원인은 암석 자체의 풍화, 근본적으로 내재해 있는 단층, 과다한 발파로 인한 균열 등이 복합적으로 작용하여 발생된 것으로 판단된다. 2. 해석 결과 연구 대상 사면은 평면파괴의 우려가 있는 것으로 나타났다. 3. 한계평형해석 결과를 이용하여 보강력을 결정하였다. 4. 보강대책으로는 Rock Anchor, Rock Bolt, 구배완화를 비교 검토한 결과 구배완화가 연구 대상 사면에 가장 적합한 공법이라고 판단되었다.

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평면파괴가 예상되는 사면의 보강대책에 관한 사례 연구 (A Case Study on Reinforcement Method of Cut Slope Expected Plane Destruction)

  • 이동엽;박춘식;김병걸
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2008년도 추계 학술발표회
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    • pp.1022-1028
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    • 2008
  • From the result of precise field investigation and stability examination for the rock slope, following results were acquired. 1. The weathering rock itself, existing fault zone and underground water complexly effect cut slope so that plane destruction may appear by fault zone. 2. The reinforcement force was decided by the result of limit equilibrium. 3. For rock cut slope, the Rock Bolt was judged as the most proper method to the cut slope as comparing/analyzing Rock Anchor, Rock Bolt and method after relaxing the slope.

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건설공사 비탈면 유지관리를 위한 보강공법별 점검항목에 관한 연구 (A Study on the inspection item classified by reinforcement method for the construction slope maintenance)

  • 김용수;장범수;신관영
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2005년도 춘계 학술발표회 논문집
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    • pp.759-764
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    • 2005
  • With the tunnel to case of the construction slope it executes the periodic maintenance due to an objectivity standard. But, the standard connected with construction slope is not integrated with the important public paper organic enemy and it is duplicated and the standards which conflict are being scattered. Also, it is referred to some specifications simply and the feature which is diffuse appears. Therefore, there is a necessity which it investigates the problem point of the maintenance civil official and it improves rationally and it takes a triangular position a confusedly be standard system. In this research which it sees accomplished the fundamental research against the inspection item classified by reinforcement method for the construction slope maintenance.

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파주 지방산업단지 대절토사면 설계 및 시공사례 (A Case Study on Design and Consruction for Cut Slope in Pa-ju Local Industrial Complex)

  • 이종구;권민석;백영식
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2005년도 지반공학 공동 학술발표회
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    • pp.210-220
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    • 2005
  • We have analyzed the stability for cut-slopes at main street 3-2 line section in Pa-ju local industrial complex. After studying an additional boring test, laboratory test and face mapping etc., we have determined the extent of reinforcement, slope inclinations and soil strength parameter from the analysis of test results. After changing the inclination of slopes for ground limit and carrying out the analysis of slope stability, we applied the Mass Nailing Method to the site because of need for reinforcement to soil and weathered rock slopes. In slope for soft and hard rock sections, we also reinforced the sections that are difficult to obtain the safety without reinforcement in alteration zone.

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단층대가 발달한 사면의 보강대책에 관한 사례 연구 (A Case Study on Reinforcement of Cut Slope with Fault Zone)

  • 김정호;박춘식;김태성
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2008년도 추계 학술발표회
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    • pp.930-937
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    • 2008
  • From the result of precise field investigation and stability analysis for the cut slope, following results were acquired. 1. The cause of the collapse of cut slope came from circle sliding collapse by fault zone which remained inner weathering zone. 2. The existing destructed soil and rock can be removed by reinforcement. And to prevent the additional destruction, it is judged that applying the method after relaxing the slope would be reasonable. 3. To make cut slope stable, soft rock layer should be done cutting 1:1.5 and 1:2.0 ~ 1:2.5 for weathered rock and soil layer. 4. Heavy water leakage section should be applied horizontal drain method so that water pressure should not act to the cut slope.

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절토사면의 Nailing 보강 Fabric Form의 설계와 시공 (Design and Construction of Green Slope Fabric Form on Cutting Slope)

  • 송재헌;최영근
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2000년도 토목섬유 특별세미나
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    • pp.81-92
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    • 2000
  • Green Slope(F.F.R : Fabric Form Reinforcement Method) is one of an environmental slope protection method at steep cutting sites. This method is that soil and rock at the steep slope is fixed using the environmental Fabric Form, Nail, Rock Bolt and Rock Anchor, And then, the surfaces covered with grasses or weeds. This method will be satisfied both safe slope protection and natural environment appearance. Green Slope is a useful method of the construction sites of steep cutting slopes.

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한계평형법에 의한 연약지반 보강성토의 안정해석 (Stability Analysis of the Reinforced Embankment on Soft Foundations using the Limit Equilibrium Method)

  • 고남영;고홍석
    • 한국농공학회지
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    • 제37권5호
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    • pp.101-110
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    • 1995
  • The use of geotextile as reinforced materials in Soil structures has become widespread throughout the world. Geotextile reinforcement has been used in retaining walls, slope of embankment and especially soft foundation, etc. In the past, however, its design and construction have been performed empirically. In this study, to investigate of the effect of geotextiles reinforced slope of the embankment on a very soft foundation, a limit equilibrium analysis program calculating the safety factor of embankment on very soft foundation was developed. The study was focussed on such factors as type of geotextile, tensile strength, amount of reinforcement, and inclination of embankment. And the 4imit equilibrium analysis program was written on the basis of Low's slope stability theory with some modification. The following conclusions were drawn from this study. (1) The orientation of reinforcement can be assumed either horizontal or tangential to the slip circle. The factor of safety with tangential reinforcement is larger than that with the horizontal reinforcement. (2) In general, the factor of safety increases, as the slope reduces. However, it is preferable to use geotextiles with higher tensile strength rather than to reduce the slope of the embankment, because it is difficult to adjust the slope as desired. (3) The factor of safety obtained by numerical computation is affected only by the tensile strength, but not by the type of the geotextile.

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