A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PERMANENT SUB-STRUCTURAL COLUMN ERECTION METHOD AND PERMANENT SUB-STRUCTURAL COLUMN ERECTION APPARATUS
To provide a permanent sub-structural column erection method capable of erecting a permanent sub-structural column in a cast-in-place pile in a short time with precision when constructing a building using an inverted construction method.SOLUTION: A permanent sub-structural column erection method comprises: a step S1 of installing a rotation type excavator 30 on the ground level 2, excavating a pile hole 3 through rotating a casing 31 with the rotation type excavator 30, and forming a cast-in-place pile 20 through filling concrete in the pile hole 3; steps S2, S3 of attaching erection frames 50 on the rotation type excavator 30, installing a guide pipe 60 inside of the casing 31 of the rotation type excavator 30 through being supported by the erection frames 50, and adjusting horizontal positions and vertical accuracy of the guide pipe 60; a step S4 of hanging down a permanent sub-structural column 10 along an inner side of the guide pipe 60 inserting it into the cast-in-place pile 20; and a step S5 of removing the guide tube 60 and the erection frames 50 and then backfilling sediment 4 in the pile hole 3.SELECTED DRAWING: Figure 7
【課題】逆打ち工法により建物を構築する際、短時間で精度よく構真柱を場所打ち杭に建て込むことができる、構真柱建込み方法を提供すること。【解決手段】構真柱建込み方法は、回転式掘削機３０を地盤面２上に設置し、回転式掘削機３０によりケーシング３１を回転させて杭穴３を掘削し、杭穴３にコンクリートを打設して場所打ち杭２０を形成するステップＳ１と、回転式掘削機３０の上に建込み架台５０を取り付けて、建込み架台５０に支持させて回転式掘削機３０のケーシング３１内部にガイド管６０を設置し、ガイド管６０の水平方向の位置および鉛直精度を調整するステップＳ２、Ｓ３と、構真柱１０をガイド管６０の内部に沿って吊り下ろして、場所打ち杭２０に挿入するステップＳ４と、ガイド管６０および建込み架台５０を撤去し、その後、杭穴３に土砂４を埋戻すステップＳ５と、を備える。【選択図】図７
PERMANENT SUB-STRUCTURAL COLUMN ERECTION METHOD AND PERMANENT SUB-STRUCTURAL COLUMN ERECTION APPARATUS
To provide a permanent sub-structural column erection method capable of erecting a permanent sub-structural column in a cast-in-place pile in a short time with precision when constructing a building using an inverted construction method.SOLUTION: A permanent sub-structural column erection method comprises: a step S1 of installing a rotation type excavator 30 on the ground level 2, excavating a pile hole 3 through rotating a casing 31 with the rotation type excavator 30, and forming a cast-in-place pile 20 through filling concrete in the pile hole 3; steps S2, S3 of attaching erection frames 50 on the rotation type excavator 30, installing a guide pipe 60 inside of the casing 31 of the rotation type excavator 30 through being supported by the erection frames 50, and adjusting horizontal positions and vertical accuracy of the guide pipe 60; a step S4 of hanging down a permanent sub-structural column 10 along an inner side of the guide pipe 60 inserting it into the cast-in-place pile 20; and a step S5 of removing the guide tube 60 and the erection frames 50 and then backfilling sediment 4 in the pile hole 3.SELECTED DRAWING: Figure 7
【課題】逆打ち工法により建物を構築する際、短時間で精度よく構真柱を場所打ち杭に建て込むことができる、構真柱建込み方法を提供すること。【解決手段】構真柱建込み方法は、回転式掘削機３０を地盤面２上に設置し、回転式掘削機３０によりケーシング３１を回転させて杭穴３を掘削し、杭穴３にコンクリートを打設して場所打ち杭２０を形成するステップＳ１と、回転式掘削機３０の上に建込み架台５０を取り付けて、建込み架台５０に支持させて回転式掘削機３０のケーシング３１内部にガイド管６０を設置し、ガイド管６０の水平方向の位置および鉛直精度を調整するステップＳ２、Ｓ３と、構真柱１０をガイド管６０の内部に沿って吊り下ろして、場所打ち杭２０に挿入するステップＳ４と、ガイド管６０および建込み架台５０を撤去し、その後、杭穴３に土砂４を埋戻すステップＳ５と、を備える。【選択図】図７
PERMANENT SUB-STRUCTURAL COLUMN ERECTION METHOD AND PERMANENT SUB-STRUCTURAL COLUMN ERECTION APPARATUS
構真柱建込み方法および構真柱建込み装置
NAKAMURA NORIAKI (author) / TANAKA MASATO (author) / TANAKA RYUICHI (author) / CHONO MASARU (author) / TANAMACHI KENICHI (author) / KAWAKUBO YUJI (author) / TAKASHIMA HIROYUKI (author) / KASHIWAGI EIJI (author)
2019-08-08
Patent
Electronic Resource
Japanese
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