A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
HIGH-PRESSURE INJECTION DEVICE
To provide a high-pressure injection device which can expand a range of drilling and ground improvement by rotation of a plurality of rotary nozzles provided on the tip of a rod without rotation of the rod, has a simple structure, and is inexpensive.SOLUTION: A high-pressure injection device 40 that performs drilling and improvement of a ground by high-pressure injecting a fluid S of water or a cement slurry from an injection nozzle provided on a rod 30 in the ground includes the rod 30 for supplying the fluid S, and multiple rotary nozzles 41 and 42 which are provided on a tip 30a of the rod 30 and rotate by a reaction force of an injection force of the fluid S, where the multiple rotary nozzles 41 and 42 are provided respectively on injection nozzles 57 and 58 for high-pressure injecting the fluid S.SELECTED DRAWING: Figure 1
【課題】ロッドを回転させることなく、ロッドの先端に設けた複数の回転ノズルの回転により、削孔及び地盤改良の範囲を拡大することができる構造が簡素で安価な高圧噴射装置を提供する。【解決手段】地盤中にロッド３０に設けられた噴射ノズルから水或いはセメントスラリーの流体Ｓを高圧噴射させて地盤の削孔と改良を行う高圧噴射装置４０において、流体Ｓを供給するロッド３０と、ロッド３０の先端３０ａに設けられ、流体Ｓの噴射力の反力により回転する複数の回転ノズル４１，４２と、を備え、複数の回転ノズル４１，４２に流体Ｓを高圧噴射する噴射ノズル５７，５８をそれぞれ設けた。【選択図】図１
HIGH-PRESSURE INJECTION DEVICE
To provide a high-pressure injection device which can expand a range of drilling and ground improvement by rotation of a plurality of rotary nozzles provided on the tip of a rod without rotation of the rod, has a simple structure, and is inexpensive.SOLUTION: A high-pressure injection device 40 that performs drilling and improvement of a ground by high-pressure injecting a fluid S of water or a cement slurry from an injection nozzle provided on a rod 30 in the ground includes the rod 30 for supplying the fluid S, and multiple rotary nozzles 41 and 42 which are provided on a tip 30a of the rod 30 and rotate by a reaction force of an injection force of the fluid S, where the multiple rotary nozzles 41 and 42 are provided respectively on injection nozzles 57 and 58 for high-pressure injecting the fluid S.SELECTED DRAWING: Figure 1
【課題】ロッドを回転させることなく、ロッドの先端に設けた複数の回転ノズルの回転により、削孔及び地盤改良の範囲を拡大することができる構造が簡素で安価な高圧噴射装置を提供する。【解決手段】地盤中にロッド３０に設けられた噴射ノズルから水或いはセメントスラリーの流体Ｓを高圧噴射させて地盤の削孔と改良を行う高圧噴射装置４０において、流体Ｓを供給するロッド３０と、ロッド３０の先端３０ａに設けられ、流体Ｓの噴射力の反力により回転する複数の回転ノズル４１，４２と、を備え、複数の回転ノズル４１，４２に流体Ｓを高圧噴射する噴射ノズル５７，５８をそれぞれ設けた。【選択図】図１
HIGH-PRESSURE INJECTION DEVICE
高圧噴射装置
YABE HIROSHI (author) / TANAKA HATSUICHI (author)
2019-02-21
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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