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- W2045443265 abstract "본 논문에서는 경험에 따라 비합리적으로 설계되고 있는 낙석방지망의 합리적인 설계를 위한 기초자료를 획득하기 위해 표준 단면을 결정하고 비탈면의 경사, 높이, 낙석의 무게, 이격거리 등의 매개변수가 도약높이나 운동에너지, 통과속도 등 낙석의 거동에 미치는 영향을 분석하였다. 낙석의 무게는 400, 700, 1,000 kg으로 변화하고 20 m 높이를 기준으로 낙석방호시설이 낙석의 거동에 영향을 미칠 수 있는 1:0.5(<TEX>$63^{circ}$</TEX>), 1:0.7(<TEX>$55^{circ}$</TEX>)의 경사에 대해 수행하였으며, 낙석의 낙하높이를 3, 15, 20 m를 변경시켜가면서 해석을 실시하여 사면 하부에 발생하는 최대운동에너지의 변화를 분석 평가하였다. 해석결과, 낙석방지망의 설계 시 현행과 같이 일률적인 적용에서 벗어나 사면의 경사와 예상되는 낙석의 규모나 무게, 법면의 상황 및 낙석의 모양, 낙석 운동형태 등 다양한 조건을 고려한 설계가 필요할 것으로 판단된다. In order to obtain basic data for reasonable design of rockfall prevention net unreasonably being designed according to experiences, this paper determined a standard cross section and analyzed the effects of parameters such as inclination and height of slope faces, rockfall weight, separation distance on rockfall behaviors such as bounce height, kinetic energy and passage rate. The weight of rockfall changed from 400 kg to 700 kg and then to 1,000 kg. With the height of 20 m as the standard, the test was conducted with the inclination at <TEX>$63^{circ}$</TEX> and <TEX>$55^{circ}$</TEX> which may affect rockfall behaviors. Analysis was made while changing the fall height of rockfall from 3 m to 15 m and then to 20 m, thereby analyzing and evaluating changes in maximal kinetic energy occurring in the base of slope. According to the analysis result, in designing a rockfall prevention wire net, a design considering various conditions including inclination of the slope, expected size or weight of rockfall, situation of the slope and the shape of rockfall, and rockfall trace is judged necessary beyond the current uniform application." @default.
- W2045443265 created "2016-06-24" @default.
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- W2045443265 date "2014-12-01" @default.
- W2045443265 modified "2023-10-18" @default.
- W2045443265 title "A Study on Efficient Design of Rockfall Prevention Netting" @default.
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- W2045443265 doi "https://doi.org/10.14481/jkges.2014.15.12.53" @default.
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