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PROBLEM TO BE SOLVED: To enable a simple contrivance to prevent a slope failure by avoiding making a water channel and a catch basin clogged with fallen leaves and the like, to the utmost, even on the occurrence of a localized torrential downpour and the like.SOLUTION: A vertical drainage ditch is formed in an inclined direction of a slope 1. A berm drainage ditch 4 is formed in a longitudinal direction along a berm 3 of the slope 1. A catch basin is provided at a point where the berm drainage ditch 4 and the vertical drainage ditch merge with each other. Thus, waterway work is formed. A first net-like member 7 is arranged in an inclined state astride the berm drainage ditch 4 from an inclined plane 1a on the slope 1 near the berm 3 to the berm 3.SELECTED DRAWING: Figure 3
【課題】簡単な工夫でもって、集中豪雨等が生じても、水路や集水桝が落ち葉類で閉塞されるのを極力回避し、法面崩壊を未然に防止することができるようにする。【解決手段】法面1の傾斜方向に縦排水溝を形成し、法面1の小段3に沿って長手方向に小段排水溝4を形成し、小段排水溝4と縦排水溝との合流地点に集水桝を設け、これにより水路工を形成している。小段3近傍の法面1上の斜面1aから小段3に架けて小段排水溝4を跨ぐように、第1の網目状部材7が傾斜状に配されている。【選択図】図3
PROBLEM TO BE SOLVED: To enable a simple contrivance to prevent a slope failure by avoiding making a water channel and a catch basin clogged with fallen leaves and the like, to the utmost, even on the occurrence of a localized torrential downpour and the like.SOLUTION: A vertical drainage ditch is formed in an inclined direction of a slope 1. A berm drainage ditch 4 is formed in a longitudinal direction along a berm 3 of the slope 1. A catch basin is provided at a point where the berm drainage ditch 4 and the vertical drainage ditch merge with each other. Thus, waterway work is formed. A first net-like member 7 is arranged in an inclined state astride the berm drainage ditch 4 from an inclined plane 1a on the slope 1 near the berm 3 to the berm 3.SELECTED DRAWING: Figure 3
【課題】簡単な工夫でもって、集中豪雨等が生じても、水路や集水桝が落ち葉類で閉塞されるのを極力回避し、法面崩壊を未然に防止することができるようにする。【解決手段】法面1の傾斜方向に縦排水溝を形成し、法面1の小段3に沿って長手方向に小段排水溝4を形成し、小段排水溝4と縦排水溝との合流地点に集水桝を設け、これにより水路工を形成している。小段3近傍の法面1上の斜面1aから小段3に架けて小段排水溝4を跨ぐように、第1の網目状部材7が傾斜状に配されている。【選択図】図3
SLOPE DRAINAGE STRUCTURE
法面排水構造
OTA HIDEMASA (author)
2017-01-19
Patent
Electronic Resource
Japanese
IPC:
E02D
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