A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DRILLING AGITATION DEVICE AND GROUND IMPROVEMENT METHOD
To provide a drilling agitation device and a ground improvement method capable of forming a good column.SOLUTION: A drilling agitation device 110 of the present invention comprises a drilling blade 203 installed centrally symmetrically with respect to a center shaft 200, at least one lateral rotor blade 206 positioned above the drilling blade 203, the drilling blade 203, a co-rotation prevention blade 210 that is centrally symmetrically arranged between the lateral rotor blade 206 and extends radially outward from the drilling blade 203 and the lateral rotor blade 206, a first radial gear 209 fixed to the center shaft 200 near the co-rotation prevention blade 210, and vertically rotating members 210a and 210b, which are vertically rotatably held by the co-rotation prevention blade 210 and have second radial gears 210c and 210d that mesh with the first radial gear 209 on the side of the center shaft 200.SELECTED DRAWING: Figure 2
【課題】 良好な柱体を形成することが可能な掘削攪拌装置及び地盤改良方法を提供すること。【解決手段】 本発明の掘削攪拌装置１１０は、センタ軸２００に対して中心対称に設置された掘削翼２０３と、掘削翼２０３の上部に配置された少なくとも１つの横回転翼２０６と、掘削翼２０３と、回転翼２０６との間に中心対称に配置され、掘削翼２０３及び横回転翼２０６よりも径方向外側にまで延びた共回り防止翼２１０と、共回り防止翼２１０の近くでセンタ軸２００に固定された第１の放射状ギア２０９と、共回り防止翼２１０に縦回転自在に保持され、センタ軸２００の側で第１の放射状ギア２０９と歯合する第２の放射状ギア２１０ｃ、２１０ｄを備える縦回転部材２１０ａ、２１０ｂとを備える。【選択図】 図２
DRILLING AGITATION DEVICE AND GROUND IMPROVEMENT METHOD
To provide a drilling agitation device and a ground improvement method capable of forming a good column.SOLUTION: A drilling agitation device 110 of the present invention comprises a drilling blade 203 installed centrally symmetrically with respect to a center shaft 200, at least one lateral rotor blade 206 positioned above the drilling blade 203, the drilling blade 203, a co-rotation prevention blade 210 that is centrally symmetrically arranged between the lateral rotor blade 206 and extends radially outward from the drilling blade 203 and the lateral rotor blade 206, a first radial gear 209 fixed to the center shaft 200 near the co-rotation prevention blade 210, and vertically rotating members 210a and 210b, which are vertically rotatably held by the co-rotation prevention blade 210 and have second radial gears 210c and 210d that mesh with the first radial gear 209 on the side of the center shaft 200.SELECTED DRAWING: Figure 2
【課題】 良好な柱体を形成することが可能な掘削攪拌装置及び地盤改良方法を提供すること。【解決手段】 本発明の掘削攪拌装置１１０は、センタ軸２００に対して中心対称に設置された掘削翼２０３と、掘削翼２０３の上部に配置された少なくとも１つの横回転翼２０６と、掘削翼２０３と、回転翼２０６との間に中心対称に配置され、掘削翼２０３及び横回転翼２０６よりも径方向外側にまで延びた共回り防止翼２１０と、共回り防止翼２１０の近くでセンタ軸２００に固定された第１の放射状ギア２０９と、共回り防止翼２１０に縦回転自在に保持され、センタ軸２００の側で第１の放射状ギア２０９と歯合する第２の放射状ギア２１０ｃ、２１０ｄを備える縦回転部材２１０ａ、２１０ｂとを備える。【選択図】 図２
DRILLING AGITATION DEVICE AND GROUND IMPROVEMENT METHOD
掘削攪拌装置及び地盤改良方法
KAWABE KATSUMI (author) / AIHARA TSUTOMU (author) / YAMAZAKI HIROTAKA (author)
2023-05-29
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
HIGH PRESSURE JET AGITATION DEVICE FOR GROUND IMPROVEMENT AND GROUND IMPROVEMENT METHOD
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