JPH032099U - - Google Patents
Info
- Publication number
- JPH032099U JPH032099U JP5904689U JP5904689U JPH032099U JP H032099 U JPH032099 U JP H032099U JP 5904689 U JP5904689 U JP 5904689U JP 5904689 U JP5904689 U JP 5904689U JP H032099 U JPH032099 U JP H032099U
- Authority
- JP
- Japan
- Prior art keywords
- glass fiber
- lock bolt
- injection hole
- circle
- features
- 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
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案のグラスフアイバーロツクボル
トの説明図、第２図は従来の打設されたロツクボ
ルトの説明図である。
図中、１……本考案のロツクボルト、２……Ｎ
ＡＴＭトンネル穴にせん孔されたロツクボルト用
孔、３……モルタル注入孔、４……モルタル、９
……従来のロツクボルト。
FIG. 1 is an explanatory diagram of the glass fiber lock bolt of the present invention, and FIG. 2 is an explanatory diagram of a conventional driven lock bolt. In the figure, 1...the lock bolt of the present invention, 2...N
Lock bolt hole drilled in the ATM tunnel hole, 3...Mortar injection hole, 4...Mortar, 9
...Conventional lock bolt.
Claims (1)
入孔を設けたことを特徴とするＮＡＴＭトンネル
用のグラスフアイバーロツクボルト。 A glass fiber lock bolt for NATM tunnels that is made of glass fiber and features a mortar injection hole in the center of the circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5904689U JPH032099U (en) | 1989-05-24 | 1989-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5904689U JPH032099U (en) | 1989-05-24 | 1989-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032099U true JPH032099U (en) | 1991-01-10 |
Family
ID=31585200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5904689U Pending JPH032099U (en) | 1989-05-24 | 1989-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032099U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55105098A (en) * | 1979-01-31 | 1980-08-12 | Gebirgssicherung Gmbh | Lock anchor assembly |
-
1989
- 1989-05-24 JP JP5904689U patent/JPH032099U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55105098A (en) * | 1979-01-31 | 1980-08-12 | Gebirgssicherung Gmbh | Lock anchor assembly |
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