| 摘要 |
PURPOSE: A grating is provided to minimize the flooding of a slope by improving the installation structure of a guide plate. CONSTITUTION: A grating comprises an outer frame(100) and guide plates(200). The outer frame is placed on the edge of the inlet of a drain outlet and has an inner installation space. The guide plates are installed in the inner installation space of the outer frame and cut off foreign materials. Both surfaces of the each guide plate have inclined planes(200a). The inclined planes guide water to the inside of the drain outlet. |
