STEEL EARTH RETAINING PANEL, EARTH RETAINING STRUCTURE USING STEEL EARTH RETAINING PANEL, AND CONSTRUCTION METHOD OF EARTH RETAINING STRUCTURE: Fid-Bau Portal

STEEL EARTH RETAINING PANEL, EARTH RETAINING STRUCTURE USING STEEL EARTH RETAINING PANEL, AND CONSTRUCTION METHOD OF EARTH RETAINING STRUCTURE

NAGAOKA SHOGO / MATSUOKA KAORU / HARA SHOGO

Abstract

To provide a steel earth retaining panel which can improve workability when steel earth retaining panels are sequentially arranged in a circumferential direction of a wall surface of an excavation hole and an earth retaining structure is constructed, an earth retaining structure using the steel earth retaining panel, and a construction method of the earth retaining structure.SOLUTION: An earth retaining structure is constructed by installing a steel earth retaining panel that is arcuate in plan view in an excavation hole formed by excavating a ground surface. The earth retaining structure includes a first earth retaining structure part in which at least one or more stages of annular bodies formed by arranging a plurality of steel earth retaining panels in a ring shape are constructed in a hole axis direction along the wall of the excavation hole. At least one set out of sets that the steel earth retaining panels adjacent to each other in the circumferential direction abut each other is formed so as to be inclined in a radial direction of the excavation hole.SELECTED DRAWING: Figure 7

【課題】掘削孔の壁面の周方向に沿って鋼製土留パネルを順に配置して土留構造物を構築する場合において、施工性を向上させることができる鋼製土留パネル、該鋼製土留パネルを用いた土留構造物、及び該土留構造物の構築工法を提供する。【解決手段】土留構造物は、地面を掘削して形成された掘削孔に、平面視が円弧状である鋼製土留パネルを設置して構築される。土留構造物は、掘削孔の壁面に沿って、複数の鋼製土留パネルをリング状に配置して形成された環状体が、孔軸方向に少なくとも１段以上構築された第１土留構造部を備えている。周方向に隣り合う鋼製土留パネルが突き合わさる端面の組のうち、少なくとも１つの組が、掘削孔の径方向に対して傾斜して形成されている。【選択図】図７

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