| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an earth retaining wall of a forestry exclusive road or a forestry work road capable of improving workability of earth retaining wall construction when forming the forestry exclusive road or the forestry work road, reducing a construction cost, making the earthwork area in a road width direction of road construction as narrow as possible, and leaving a forestry land as much as possible, and its construction method. <P>SOLUTION: The earth retaining wall of the forestry exclusive road or the forestry work road constructed on a trough side of a road is constructed by successively shifting, stacking and installing infilling material filled basket frames installed by filling an assembled basket frame with an infilling material such as pebbles or sediment, from a trough side to a road width direction mountain side, installing a steel L-shaped retaining wall material 2 comprising a plurality of members that can be assembled on site for configuring an L-shaped retaining wall part 5 whose wall surface height is about the double of the height of the basket frame on an infilling material filled basket frame 1 of the top stage, and filling and compacting the inside of the L-shaped retaining wall material 2 with the sediment. <P>COPYRIGHT: (C)2012,JPO&INPIT |
