JPS5771927A - Construction of underground columnar structure - Google Patents
Construction of underground columnar structureInfo
- Publication number
- JPS5771927A JPS5771927A JP14625580A JP14625580A JPS5771927A JP S5771927 A JPS5771927 A JP S5771927A JP 14625580 A JP14625580 A JP 14625580A JP 14625580 A JP14625580 A JP 14625580A JP S5771927 A JPS5771927 A JP S5771927A
- Authority
- JP
- Japan
- Prior art keywords
- casing
- pit
- excavating
- under
- excavated portion
- 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.)
- Granted
Links
Landscapes
- Piles And Underground Anchors (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
PURPOSE: To obviate the need for the placement of lean-mix cement mortar in excavated portion by a method in which an excavating casing is inserted into the excavated portion of a pit while excavating, and an iron bar cage is erected in the excavated portion under the guidance of the excavating casing.
CONSTITUTION: In the first place, an auger screw 8 is inserted into a soil-discharging casing 7 prior to excavation, and an excavating casing 9 of the same length as the depth of the upper excavated portion of a pit is connected to the lower end of the soil-discharging casing 7. Under the condition, excavation is started to a depth corresponding to the length of the casing 9, and then an auger screw 8 alone is inserted while being turned to drill a pit 10 of a given length. After the excavation, cement mortar is filled and the casing 7 alone is drawn out of the pit. Under the condition, an iron bar cage 12 is inserted into the pit under the guidance of the casing 9 left behind, and then the casing 9 is pulled out of the pit for recovery.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14625580A JPS5771927A (en) | 1980-10-21 | 1980-10-21 | Construction of underground columnar structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14625580A JPS5771927A (en) | 1980-10-21 | 1980-10-21 | Construction of underground columnar structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5771927A true JPS5771927A (en) | 1982-05-06 |
JPS6133086B2 JPS6133086B2 (en) | 1986-07-31 |
Family
ID=15403596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14625580A Granted JPS5771927A (en) | 1980-10-21 | 1980-10-21 | Construction of underground columnar structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5771927A (en) |
-
1980
- 1980-10-21 JP JP14625580A patent/JPS5771927A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6133086B2 (en) | 1986-07-31 |
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