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Study on Impact Resistance of Geogrids for Reinforced Stone Walls
Geogrid reinforcement is applied in Japan as reinforcement for castle stone walls, which are important cultural assets. However, there are few studies on the damage caused by chestnut stones to geogrids. In this case, we conducted impact resistance tests using chestnut stones from actual castle stone walls and compared the results with those of existing tests. As a result, the strength reduction rate of geogrids varies depending on the shape and compaction method of chestnut stones. Geogrids with expanded joints require a high level of technical judgment when applied to stone wall reinforcement, because the tensile force borne by a single strand of geogrid may increase, leading to catastrophic failure.departmental bulletin pape