施工技術(5)

[VI-599] Problems and ingenuity in the construction of a precast wall-type retaining wall

〇Takumi Uriya¹, Hiroo Simizu¹, Takao Iwasaki¹ (1.Taisei Corporation)

Keywords:Under-wall retaining wall, Precast, Strut

This construction is to construct a retaining wall of 140 m extension as a replacement road on Route 231 in Nanzan Eastern Land Reorganization Project in Inajo City, Tokyo. The structural form is a wall-type retaining wall, and precast members are used for the wall and the strut part. The problem of leaking from the back after securing verticality and refilling the precast wall was mentioned. In this report, measures using a long angle material showed the improvement of construction step and construction accuracy.