Typical case histories

RRR-A

GRS Bridge Abutment and GRS Integral Bridge

Under construction
Oct. 2011

Completed Aug. 2012

GRS Brideg Abutment (using bearings), Hokkaido Shinkansen

GRS Integral Brideg at Haipe, Sanriku Railway,April 2014

Gallery

RRR-B

Geosynthetic-ReinforcedSoil (GRS) Retaining Wall with FHR facing

Re-construction of a gentle slope to a vertical wall for a yard of Shinkansen at Biwajima, Nagoya

Shinkansen yard at Biwajima, Nagoya, 1989 - 1990
(average wall height= 5m & total length= 930m)

GRS RW with FHR facing, 1992

A week after the 1995 Kobe Earthquake

GRS RW for JR Kobe Line, Tanata

Gallery

RRR-C

Nail-Reinforced Soil (NRS) Retaining Wall

RRR-C (on the left side) and RRR-B (on the right side)

Reconstruction of railway embankment, Rokuzizo Station, JR Narita Line, constructed 1992

24 January 1995

Leaning type wall collapsed by the Earthquake

13 June 1995

Completed NRS Retaning wall

NRS Retaining Wall to restore the wall collapsed by the Kobe Earthquake that occurred on January 17, 1995, Kobe, Sumiyoshi

RRR-D

GRS Structure to Prevent Water-Front Disasters

Seawall for Seisho by-pass of National Road No.1, southwest of Tokyo, to restore the gravity type retaining wall collapsed by scouring by ocean wave actions due to Typhoon No.9 [Fitow], 2007

Reconstruction of railway embankment that collapsed by Yamaguchi and Shimane torrential rain of July 2013, near Nayoshigawa between Funahirayama and Tsuwano on Yamaguchi Line, JR-West, from April to May in 2014