JPS5748014A - Excavating shaft in ground improving process - Google Patents
Excavating shaft in ground improving processInfo
- Publication number
- JPS5748014A JPS5748014A JP11986780A JP11986780A JPS5748014A JP S5748014 A JPS5748014 A JP S5748014A JP 11986780 A JP11986780 A JP 11986780A JP 11986780 A JP11986780 A JP 11986780A JP S5748014 A JPS5748014 A JP S5748014A
- Authority
- JP
- Japan
- Prior art keywords
- excavating
- excavating shaft
- drum
- excavation
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To maintain the straight-driving property of the excavating shaft employed at the time of overlapping ground improvement, by fitting a cylindrical excavation drum to an excavating blade provided at the tip part of the excavating shaft.
CONSTITUTION: The cylindrical excavation guide drum 4 is fitted firmly on the outer periphery of the excavating blade 2 provided at the tip part of the excavating shaft 1. On the drum 4 a cutting edge 4a is formed. When the excavating shaft 1 fitted firmly with the excavating blade 2 and a stirring blade 3 is rotated and driven into the soil, the cutting edge 4a of the drum 4 makes and advances excavation, forming an excavation diameter in the soil. By this constitution, the center of the excavating shaft is prevented from becoming eccentric even when the ground improvement is conducted in a place which overlapps with the one in which the ground improvement is already finished.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11986780A JPS5748014A (en) | 1980-09-01 | 1980-09-01 | Excavating shaft in ground improving process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11986780A JPS5748014A (en) | 1980-09-01 | 1980-09-01 | Excavating shaft in ground improving process |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5748014A true JPS5748014A (en) | 1982-03-19 |
Family
ID=14772222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11986780A Pending JPS5748014A (en) | 1980-09-01 | 1980-09-01 | Excavating shaft in ground improving process |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5748014A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011042966A (en) * | 2009-08-20 | 2011-03-03 | Ohbayashi Corp | Drilling and agitating unit, and soil improving apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5478812A (en) * | 1977-12-06 | 1979-06-23 | Kajima Corp | Method of modified construction of soft ground and its device |
-
1980
- 1980-09-01 JP JP11986780A patent/JPS5748014A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5478812A (en) * | 1977-12-06 | 1979-06-23 | Kajima Corp | Method of modified construction of soft ground and its device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011042966A (en) * | 2009-08-20 | 2011-03-03 | Ohbayashi Corp | Drilling and agitating unit, and soil improving apparatus |
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