• 제목/요약/키워드: Slope Restoration

검색결과 351건 처리시간 0.022초

영동(永同)지역 전통(傳統)구들의 발굴(發掘) 및 복원(復原) (The Study on Excavation & Restoration Gu-dul in Young-dong)

  • 조중근
    • 한국농촌건축학회논문집
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    • 제8권1호
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    • pp.111-120
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    • 2006
  • Our ancestor has accumulated inimitable a building system from experience. and they finally invented Gu-dul that heat the stone as a hitting system. The purpose of this study is to investigate and to write down the on Excavation & Restoration of Traditional Gu-dul in Young-dong. It was found that Gu-dul was the most suited for natural condition. That is wind, direction, earth level. As the results of analyzing the built- technque of traditional Gu- dul : 1) The Gu-dul type is lined, scattered, and mixed. 2) The hight of bank is 25-30cm, 3) The depth of Gaejari is 30-45cm, and The slope of that is gentle. 4) The slope of Gorae(a floor hitter) is 5 - 8%. (from the middle to the edge and from the lower part to the upper part) Therefore, For the practical application of future houses, it will be needed to develop the reasonable hitting system, and suggest to set up Gu-dul for our health and saving energy.

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산사태 발생지 예측을 위한 Topographic Position Index의 적용성 연구 (Study on Application of Topographic Position Index for Prediction of the Landslide Occurrence)

  • 우충식;이창우;정용호
    • 한국환경복원기술학회지
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    • 제11권2호
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    • pp.1-9
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    • 2008
  • The objective of the study is 10 know the relation of landslide occurrence with using TPI (Topographic Position Index) in the Pyungchang County. Total 659 landslide scars were detected from aerial photographs. To analyze TPI, 100m SN (Small-Neighborhood) TPI map, 500m LN (Large-Neighborhood) TPI map, and slope map were generated from the DEM (Digital Elevation Model) data which are made from 1 : 5,000 digital topographic map. 10 classes clustered by regular condition after overlapping each TPI maps and slope map. Through this process, we could make landform classification map. Because it is only to classify landform, 7 classes were finally regrouped by the slope angle information of landslide occurrence detected from aerial photography analysis. The accuracy of reclassified map is about 46%.

임도사면의 생태적 녹화를 위한 자생식물 선정 - 강원도지역 임도를 중심으로 - (Native Plants Selection for Ecological Replantation in Forest Road Slope - In case study on forest road of Gangwon-do -)

  • 이미정;이준우;전권석;김효정;최윤호;정도현;송호경
    • 한국환경복원기술학회지
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    • 제6권4호
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    • pp.24-32
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    • 2003
  • This study was carried out to select proper species for early stage replantation of forest road cut-slope. From one to fourteen year elapsed forest roads in Gangwon-do, sample plots were selected, and their vegetations and environmental factors were investigated. Invaded species with high frequency ordered Lespedeza cyrtobotrya, Lysimachia clethroides, Rubus crataegifolius, Patrinia villosa, Spodiopogon sibiricus, Pueraria thunbergiana, Youngia denticulata, Dactylis glomerata, Rhus chinensis, and Pinus densiflora. North cut-slope have the highest value of invaded species number and plant coverage, and so, north aspect could be best for plant invasion. According to ordination, distribution of species were influenced by elapsed year, cut-slope aspect, and cut-slope. Lespedeza bicolor, Lespedeza cyrtobotrya, Artemisia stolonifera, Miscanthus sinensis, Rubus crataegifolius, Rhus chinensis, Lindera obtusiloba, and Pinus densiflora were considered with proper species for replantation at south slope. Also, Lespedeza bicolor, Lespedeza cyrtobotrya, Arundinella hirta, Artemisia keiskeana, Astilbe chinensis var. davidii, Rubus crataegifolius, Weigela subsessilis, Stephanandra incisa, and Rhododendron mucronulatum were considered with proper species as replantation at north slope.

산림환경인자에 의한 임도 절토비탈면의 안정성 평가 (Stability Evaluation of Cut Slope in Forest Roads by Forest Environment Factors)

  • 전권석;오성윤;마호섭
    • 한국환경복원기술학회지
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    • 제6권4호
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    • pp.43-51
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    • 2003
  • 임도의 절토비탈면의 각 조사구를 토양침식 및 붕괴발생의 발생 유무에 따라 안정구와 불안정구로 구분하고 절토비탈면의 안정에 영향을 미치는 인자를 도출하여 비탈면의 안정성을 평가한 결과는 다음과 같다. 1. 절토비탈면에서 발생한 토양침식량은 표고, 상부(사면위치), 볼록사면(凸), 사면경사, 비탈면길이, 사질식양토(SiL), 남쪽(South)사면과는 정의 상관을, 식생피복도, 평형사면(${\square}$), 미사질식양토(SiCL)와는 부의 상관관계를 보였다. 2. 절토비탈면의 안정성 판별에 대한 상대적 기여도는 식생피복도, 토양경도, 사면경사, 표고, 미사질양토, 볼록사면, 복합사면의 순으로 나타났다. 3. 절토비탈면에서 안정구(2)와 불안정구(1)의 중심값은 각각 -1.194와 1.127로 나타났으며, 이때 판별구분치는 -0.072이었다. 4. 절토비탈면 조사구의 불안정구와 안정구에 대한 판별능력의 적중율은 불안정구는 125개 중 117개가 판별됨으로서 93.6%의 적중율을, 안정구는 117개의 조사구 중 102개를 판별 시켜 87.2%의 적중율을 보였으며 두 그룹의 전체 판별능력은 90.4%였다.

식재용 블록을 이용한 옹벽 녹화 기법에 관한 연구(I) - Eco-Stone의 시공 사례를 중심으로 - (The Retaining Wall Revegetation Technology Using Planting Blocks(I) - A Case study on the Eco-Stone structure -)

  • 한성식;정경진
    • 한국환경복원기술학회지
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    • 제2권1호
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    • pp.94-102
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    • 1999
  • The retaining wall is a structure which was made for changing land form in many construction. The first role of the retaining wall is to maintain the slope stability. But recently, the amount of retaining wall have been increasing because of the expansion of construction works and the amenity of urban environment have been decreasing because of environmental destruction and the scenic heterogeneity. So we should consider the slope stability and ecological stability at the same time. The purpose of this study is to develop the retaining wall revegetation technology using the Eco-Stone, the structure of co-satisfying which included the slope stability and the revegetation effect. Eco-Stone is a structure which has high stability for earth pressure, settlement and drainage. And cost and term of construction works also have been decreased. Eco-Stone structure is one of factors composing the ecological network which is harmonize with surrounding environment. In this way, it is expected that the ecological habitats of various species would be restored.

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종자피복, 경사조절 및 토양멀칭 처리가 녹화식물의 발아와 생장에 미치는 영향 (Effects of Seed Coating, Slope Control and Soil Mulching on Seed Germination and Seedling Growth of Rehabilitation Plants)

  • 이병태;박종민
    • 한국환경복원기술학회지
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    • 제9권6호
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    • pp.38-51
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    • 2006
  • This study was carried out to improve rehabilitation effect by hydro-seeding methods on denuded slopes. Lespedeza cyrtobotrya, Indigofera pseudotinctoria, Arudinella hirta, Poa pratensis, and Lolium perenne were used in this study. The results of the germination and growth characteristics by seed coating, slope control and soil mulching treatments are summarized here. Seed coating of those plants had an effect on germination ratio, germination force, $LD_{50}$, and seedling growth of stem, leaf and root. The seed coating effect was highest for I. pseudotinctoria while the seedling growth was best for L. cyrtobotrya. Vermiculite+Talcum was the best coating material for germination and seedling growth of the plants. As the slopes were steeper, germination ratio was lower and seedling growth of stem and root decreased. Lots of seeds and soils were swept away when the slope was steep. Soil mulching was effective for germination, seedling growth of stem and root, and soil stabilization. It was more effective when the slope was steeper. Coir net was the most effective soil mulching material n this study.

몇 가지 자생 초화류의 사면녹화 특성 (Characteristics of Several Korean Native Herbaceous Plants for Cut Slope Revegetation)

  • 송정섭;장영득;이상정;방창석;허건양;정명일;정현환
    • 한국환경복원기술학회지
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    • 제8권1호
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    • pp.10-16
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    • 2005
  • This experiment was conducted to study on application of several Korean native plants by seed spray methods for cut slope revegetation, and possibility of replacement almost imported tall fescue seeds by native herbaceous plants. So, we investigated growth and covering rate after sowing native plants seeds at the artificial slope plots in Suwon and the rock exposed cut-slopes in Wonju city. Emergence rate after seed spray at artificial slopes were higher Elsholtzia splendens and Dianthus superbus var. longicalycinus, showing the highest in E. splendens. Also, E. splendens, D. superbus var. longicalycinus, and Agrostemma coronaria were possible to use for seed spray at the rock exposed cut-slopes. The plots of mixed native plants show more seasonal scenery than that of tall fescue. Soil surface run-off by Typhoon was less in plot sown native plants than those of lawn grass, resulting fresh weight of roots was heavier. Thus, we found that the mixed seed spray of several native herbaceous plants, E. splendens, D. superbus var. longicalycinus, and Agrostemma coronaria, were well covered the slopes as tall fescue.

하천 고수부와 제방 비탈면의 생태적 복원을 위한 표토의 집토와 부설 (The Stockpiling and Spreading of Topsoil for the Ecological Restoration of Floodplains and the Levee Slope of a Stream)

  • 한승완;김형준;채병구;김정구
    • Ecology and Resilient Infrastructure
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    • 제2권1호
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    • pp.99-104
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    • 2015
  • 다수의 매토종자를 함유하고 있는 표토는 중요한 생태복원 재료로서 많이 알려져 있으나, 이를 실제로 활용하는 구체적인 방법에 대한 자료는 부족한 실정이다. 본 연구에서 하천복원 재료로서 표토의 가치에 대해 재평가하였다. 또한 실제로 황구지천 하천환경정비사업에서 완경사 호안, 고수부 복원, 식재 등에 표토를 활용한 결과 생태적, 치수적, 경제적 및 시공적 측면에서 자연친화적 하천 복원에 매우 효과적이었다. 결론적으로 표토가 하천복원의 유용한 재료인 것을 확인하였다.

하천복원구간에서 호안공법의 비교 연구 (A Comparative Study on Revetment Techniques in a Restoration Stream)

  • 김성범;서영민;장광진;지홍기
    • 한국방재학회:학술대회논문집
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    • 한국방재학회 2007년도 정기총회 및 학술발표대회
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    • pp.612-615
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    • 2007
  • The environmental damage caused by river-improvement and slope of incision cliff can dest habitations of animate nature and it takes long time for restoration. River system constructed with stability of flood control, fine biotope, harmony with surroundings should be need to protect and restore nature. Therefore, in this study, conduct comparative experiment in various methods which are stable hydraulically and develop vegetation on revetment of bank, stream bed protection and disaster prevention aspect.

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임도비탈면의 복원을 위한 식생기반재 돌망태의 안정성 분석 (Using Gabion Systems with Vegetation Base Materials on Stability Analysis for the Forest Road Cut-slope Rehabilitation Techniques)

  • 박재현;정용호;최형태
    • 한국환경복원기술학회지
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    • 제12권2호
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    • pp.106-113
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    • 2009
  • In this study, stability of the new gabion system with vegetation base materials was analysed. New gabion system with vegetation base materials is a new approach which has been developed to achieve lope stabilization and revegetation of forest road cut-slope by making the best use of advantages of gabion systems with vegetation base materials. Results from stability analysis are as follows. For the soil density, the angle of internal friction and unit weight of the rock fill was assumed to be $1.90g/cm^3$, $30^{\circ}$ and $2.30t/m^3$, respectively, the slope stability analysis showed that the new gabion system couldn't require any poles to fix it up, and could keep stable during both rainy and dry seasons. As the results of checks against overturning and sliding, the retaining wall with. the new gabion system could produce suitable factors of safety for overturning and sliding. Vegetation established on the surface of the new gabion systems indirectly can help to increase slope stability by prevention of surface erosion. Consequently, the new gabion system with vegetation base materials could achieve the desired effect on slope stabilization as much as existing gab ion system could do, and could promote rapid establishment of vegetation on cut-slopes.