A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
INVERTED CONSTRUCTION METHOD
To provide an inverted construction method for suppressing floating-up of an in-service underground.SOLUTION: In an inverted construction method, a structure 20 is constructed inside an earth-retaining wall 32 adjacent to an in-service underground structure 16 in plan view. A structural body 40 for a base having a floor part 40A arranged on the in-service underground structure 16 side in relation to the earth-retaining wall 32 is connected to a ground structural body 20B of the structure 20 supported by permanent steel columns 22 inside the earth-retaining wall 32 by a temporary diagonal beam 70, and soil 12 under an underground structural body 20A is excavated, while suppressing floating-up of the structural body 40 for the base by using a reaction force to the ground structural body 20B.SELECTED DRAWING: Figure 4
【課題】本発明は、供用中地下構造物の浮き上がりを抑制することを目的とする。【解決手段】逆打ち工法は、平面視にて供用中地下構造物１６と隣り合う山留め壁３２の内側に構造物２０を施工する逆打ち工法であって、山留め壁３２に対して供用中地下構造物１６側に配置された床部４０Ａを有するベース用構造体４０と、山留め壁３２の内側で構真柱２２に支持された構造物２０の地上構造体２０Ｂとを仮設斜梁７０によって連結し、地上構造体２０Ｂに反力を取ってベース用構造体４０の浮き上がりを抑制しながら、地地下構造体２０Ａの下の地盤１２を掘削する。【選択図】図４
INVERTED CONSTRUCTION METHOD
To provide an inverted construction method for suppressing floating-up of an in-service underground.SOLUTION: In an inverted construction method, a structure 20 is constructed inside an earth-retaining wall 32 adjacent to an in-service underground structure 16 in plan view. A structural body 40 for a base having a floor part 40A arranged on the in-service underground structure 16 side in relation to the earth-retaining wall 32 is connected to a ground structural body 20B of the structure 20 supported by permanent steel columns 22 inside the earth-retaining wall 32 by a temporary diagonal beam 70, and soil 12 under an underground structural body 20A is excavated, while suppressing floating-up of the structural body 40 for the base by using a reaction force to the ground structural body 20B.SELECTED DRAWING: Figure 4
【課題】本発明は、供用中地下構造物の浮き上がりを抑制することを目的とする。【解決手段】逆打ち工法は、平面視にて供用中地下構造物１６と隣り合う山留め壁３２の内側に構造物２０を施工する逆打ち工法であって、山留め壁３２に対して供用中地下構造物１６側に配置された床部４０Ａを有するベース用構造体４０と、山留め壁３２の内側で構真柱２２に支持された構造物２０の地上構造体２０Ｂとを仮設斜梁７０によって連結し、地上構造体２０Ｂに反力を取ってベース用構造体４０の浮き上がりを抑制しながら、地地下構造体２０Ａの下の地盤１２を掘削する。【選択図】図４
INVERTED CONSTRUCTION METHOD
逆打ち工法
AOKI MASAMICHI (author) / KONO TAKAO (author) / KUMAGAI HIROTO (author) / KATADA KIMIAKI (author) / YAMAKAWA SHOJI (author) / OKABASHI MINORU (author) / SATO SHUNSUKE (author)
2022-02-14
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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