| 摘要 |
An angle adjustable rockfall protection fence is provided to block up falling stones effectively by keeping stones not to fall to a road and installing at the optimum angle. The angle adjustable rockfall protection fence comprises many bar shaped bottom supporters(10) installed on a slope(3) formed on one side of an L-shaped retaining wall(2) of a road(1) at regular intervals by many anchors(50) and provided with fixed plates to be fixed on the retaining wall by fasteners, many rockfall protection fence supporters(20) assembled on the bottom supporters in many stages and provided with many angle adjusting holes to control the angle of rockfall protection fence supporters according to a gradient of the slope, supporters(30) coupled to the bottom supporters and the rockfall protection fence supporters by hinges(31,32), and rockfall protection fences(40) put on the rockfall protection fence supporters to keep stones(S) of the slope not to fall to the road.
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