JPS5664017A - Open-caisson excavation type pile construction work - Google Patents
Open-caisson excavation type pile construction workInfo
- Publication number
- JPS5664017A JPS5664017A JP13809179A JP13809179A JPS5664017A JP S5664017 A JPS5664017 A JP S5664017A JP 13809179 A JP13809179 A JP 13809179A JP 13809179 A JP13809179 A JP 13809179A JP S5664017 A JPS5664017 A JP S5664017A
- Authority
- JP
- Japan
- Prior art keywords
- pile
- accelerator
- gradually
- tip
- ground
- 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
Landscapes
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
PURPOSE: To strengthen joint between the outer periphery of a pile and the ground by injecting an accelerator into the circumferential part of the pile from the upper end position of a friction cutter.
CONSTITUTION: A screw auger, etc., are inserted into a pile 1 and then erected with the pile 1 on the surface of the ground. Then, a hose leading to an accelerator injection pump is connected to the upper end of a supply pipe 6, the screw auger is operated to excavate a pit of a size corresponding to the outside diemeter of the pile 1 ahead of the tip thereof, and then the pile 1 is gradually sunk into the pit. In this case, a hole of a size equal to the outside diameter of a friction cutter 3 is formed around the pile 1, and when the pile 1 is driven approx. 1m, and an accelerator injection pump is operated to inject an accelerator upwards through plural nozzles and a pipe 4 from a supply pipe 6 in such a way as to fill up voids formed between the pile 1 and the ground. In this way, the auger is gradually inserted by excavation, the pile 1 is sunk gradually, an accelerator is injedted into voids formed gradually around the pile 1 when the tip of the pile 1 reaches a support layer, and the support layer and the tip of the pile 1 are made into an integral body.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13809179A JPS5664017A (en) | 1979-10-25 | 1979-10-25 | Open-caisson excavation type pile construction work |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13809179A JPS5664017A (en) | 1979-10-25 | 1979-10-25 | Open-caisson excavation type pile construction work |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5664017A true JPS5664017A (en) | 1981-06-01 |
Family
ID=15213735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13809179A Pending JPS5664017A (en) | 1979-10-25 | 1979-10-25 | Open-caisson excavation type pile construction work |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5664017A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS559949A (en) * | 1978-07-07 | 1980-01-24 | Asahi Chem Ind Co Ltd | Installing process for foundation pile |
-
1979
- 1979-10-25 JP JP13809179A patent/JPS5664017A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS559949A (en) * | 1978-07-07 | 1980-01-24 | Asahi Chem Ind Co Ltd | Installing process for foundation pile |
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