JPS641900A - Treatment method of rock bolt head - Google Patents
Treatment method of rock bolt headInfo
- Publication number
- JPS641900A JPS641900A JP62155584A JP15558487A JPS641900A JP S641900 A JPS641900 A JP S641900A JP 62155584 A JP62155584 A JP 62155584A JP 15558487 A JP15558487 A JP 15558487A JP S641900 A JPS641900 A JP S641900A
- Authority
- JP
- Japan
- Prior art keywords
- mat
- concrete
- bolt
- hole
- nut
- 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)
Abstract
PURPOSE: To prevent occurrence of a gap by inserting a mat that a hydraulic material is enclosed in a bag body in the head of a rock bolt protruded from the surface of shotcrete and disposing a bearing plate and a nut at the outside of the mat and tightening the nut.
CONSTITUTION: Concrete is sprayed on a hole wall 1 to form shorcrete 2. Then, a bolt hole is bored to pierce the concrete 2 and the natural ground and a solidifying material 7 is injected in the hole. Thereafter, a rock bolt 3 is inserted in the hole. Subsequently, a mat 6 that a hydraulic material 62 is enclosed in a bag body 61 is put onto the bolt 3 head protruding from the surface of the concrete 2. Then, a bearing plate 4 is fitted to the bolt 3 head and a nut 5 is fastened. Moreover, the mat is pressed and squashed and respective faces of the mat 6 get close to the plane of the bearing plate 4 and the rugged surface of the concrete 2 and come into close contact therewith.
COPYRIGHT: (C)1989,JPO
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-155584A JPH011900A (en) | 1987-06-24 | How to treat the head of a rock bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-155584A JPH011900A (en) | 1987-06-24 | How to treat the head of a rock bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS641900A true JPS641900A (en) | 1989-01-06 |
| JPH011900A JPH011900A (en) | 1989-01-06 |
Family
ID=
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009235865A (en) * | 2008-03-28 | 2009-10-15 | Nishimatsu Constr Co Ltd | Supporting member, and method for fixing the same |
| JP2020133177A (en) * | 2019-02-15 | 2020-08-31 | 株式会社熊谷組 | Rock bolt mounting method, rock bolt used for method, and adhesion maintaining bag |
| EP3692246A4 (en) * | 2017-10-02 | 2021-06-30 | Besab AB | A sealing device, a package and a method for sealing a rock bolt |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824025A (en) * | 1981-08-04 | 1983-02-12 | Hazama Gumi Ltd | Auxiliary mat for bearing plate of anchor |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824025A (en) * | 1981-08-04 | 1983-02-12 | Hazama Gumi Ltd | Auxiliary mat for bearing plate of anchor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009235865A (en) * | 2008-03-28 | 2009-10-15 | Nishimatsu Constr Co Ltd | Supporting member, and method for fixing the same |
| EP3692246A4 (en) * | 2017-10-02 | 2021-06-30 | Besab AB | A sealing device, a package and a method for sealing a rock bolt |
| JP2020133177A (en) * | 2019-02-15 | 2020-08-31 | 株式会社熊谷組 | Rock bolt mounting method, rock bolt used for method, and adhesion maintaining bag |
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