NATURAL GROUND REINFORCEMENT-EARTH METHOD AND REINFORCEMENT MATERIAL USED THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a natural ground reinforcement-earth method for discharging a sealant from an arbitrary place in a state of placing a reinforcement material in the natural ground, and also draining water from the ground to the contrary, and the reinforcement material used therefor.;SOLUTION: In a natural ground reinforcement-earth method for stabilizing an anti-earth pressure structure, a banking, a cut slope face and the like by arranging a reinforcement material at a horizontal or a predetermined installation angle in a multistage in a natural ground 6 from the slope face and the retaining wall side, the reinforcement material is an injection board 1 being a flexible slender plate shape, also formed in the plate thickness, extending in the longitudinal direction and having a plurality of long holes usable as a fluid transfer passage, and the injection board is inserted into an installation pipe installed in the natural ground, or is left as it is in the natural ground in a mode of exposing a board rear end 1a to the slope face and the retaining wall outside by extraction of the installation pipe from a state of being installed in the natural ground together with the installation pipe.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT