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 anchor

Info

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
Application number
JP8329479A
Other languages
Japanese (ja)
Inventor
Sohei Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP8329479A priority Critical patent/JPS569527A/en
Publication of JPS569527A publication Critical patent/JPS569527A/en
Pending legal-status Critical Current

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
JP8329479A 1979-06-30 1979-06-30 Method of protecting normal surface against collapse by use of rockfall preventive net and earth anchor Pending JPS569527A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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