JPS569527A - Method of protecting normal surface against collapse by use of rockfall preventive net and earth anchor - Google Patents
Method of protecting normal surface against collapse by use of rockfall preventive net and earth anchorInfo
- Publication number
- JPS569527A JPS569527A JP8329479A JP8329479A JPS569527A JP S569527 A JPS569527 A JP S569527A JP 8329479 A JP8329479 A JP 8329479A JP 8329479 A JP8329479 A JP 8329479A JP S569527 A JPS569527 A JP S569527A
- Authority
- JP
- Japan
- Prior art keywords
- normal surface
- ropes
- fixed
- force
- earth anchors
- 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
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
PURPOSE: To provide a simple method capable of protecting the normal surface against collapse, by connecting a rockfall preventive net to ropes fixed to fixed members and suspended downward, and fixing the ropes onto the normal surface by means of earth anchors.
CONSTITUTION: Rockfall preventive net 4 covering the normal surface 1 is connected to ropes 3 which are fixed at their upper ends to fixed members 2 constructed at the upper end portion of normal surface 1 by pouring concrete or the like and depended thereform downward along the normal surface 1. These ropes 3 are fixed onto normal surface 1 by means of earth anchors 5. When sand and soil located upwardly of earth anchors 5 tend to move, a force holding earth anchor 5 onto normal surface 1 is produced by the local resistance of enlarged portion 6, and at the same time, tensile force 9 is acted to ropes 3. In the above arrangement, movement of sand and soil is prevented positively by installing earth anchors 5 and ropes 3 such that resultant force 10 of holding force 8 and tensile force 9 is directed horizontally or upward to the horizontal plane.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8329479A JPS569527A (en) | 1979-06-30 | 1979-06-30 | Method of protecting normal surface against collapse by use of rockfall preventive net and earth anchor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8329479A JPS569527A (en) | 1979-06-30 | 1979-06-30 | Method of protecting normal surface against collapse by use of rockfall preventive net and earth anchor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS569527A true JPS569527A (en) | 1981-01-31 |
Family
ID=13798368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8329479A Pending JPS569527A (en) | 1979-06-30 | 1979-06-30 | Method of protecting normal surface against collapse by use of rockfall preventive net and earth anchor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS569527A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1984000048A1 (en) * | 1982-06-16 | 1984-01-05 | Gearhart Australia | Reinforcing and confining earth formations |
WO1984001978A1 (en) * | 1982-11-16 | 1984-05-24 | Gearhart Australia | A method and apparatus for reinforcing and consolidating earth structures |
JPS62115029A (en) * | 1985-11-13 | 1987-05-26 | Mitsubishi Chem Ind Ltd | Polyamide packaging material |
-
1979
- 1979-06-30 JP JP8329479A patent/JPS569527A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1984000048A1 (en) * | 1982-06-16 | 1984-01-05 | Gearhart Australia | Reinforcing and confining earth formations |
WO1984001978A1 (en) * | 1982-11-16 | 1984-05-24 | Gearhart Australia | A method and apparatus for reinforcing and consolidating earth structures |
JPS62115029A (en) * | 1985-11-13 | 1987-05-26 | Mitsubishi Chem Ind Ltd | Polyamide packaging material |
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