| 摘要 |
PROBLEM TO BE SOLVED: To provide a new snow protection fence having the effect for enlarging a re-sticking distance to a road surface.SOLUTION: A vertical part composed of an unperforated plate vertically erected on the ground, is provided, and the vertical part is provided with a spike part by a perforated plate positioned by having a predetermined elevation angle on the windward side while making its lower part coincide, and the spike part is provided with an overflow guiding part by the perforated plate positioned by having a predetermined elevation angle on the leeward side by making its lower part coincide, and an overflow guiding part upper surface is provided with a plurality of lateral air-straightening plates of fixing its lower end so that an upper air-straightening plate covers the lateral air-straightening plate upper end.SELECTED DRAWING: Figure 1 |
