JPS58194299U - Lock bolt structure for tunnel construction - Google Patents

Lock bolt structure for tunnel construction

Info

Publication number
JPS58194299U
JPS58194299U JP8880382U JP8880382U JPS58194299U JP S58194299 U JPS58194299 U JP S58194299U JP 8880382 U JP8880382 U JP 8880382U JP 8880382 U JP8880382 U JP 8880382U JP S58194299 U JPS58194299 U JP S58194299U
Authority
JP
Japan
Prior art keywords
tunnel construction
bolt structure
lock bolt
anchor bolt
rock
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.)
Granted
Application number
JP8880382U
Other languages
Japanese (ja)
Other versions
JPS6215359Y2 (en
Inventor
鈴木　緑野
室井　正義
岡本　聖夫
Original Assignee
三信建設工業株式会社
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 三信建設工業株式会社 filed Critical 三信建設工業株式会社
Priority to JP8880382U priority Critical patent/JPS58194299U/en
Publication of JPS58194299U publication Critical patent/JPS58194299U/en
Application granted granted Critical
Publication of JPS6215359Y2 publication Critical patent/JPS6215359Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Piles And Underground Anchors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面はこの考案の実施例を示すものであり、第１図はロ
ックボルトの断面図、第２図はテーパーコーンの側面図
、第３図は凝結材注入説明断面図、第４図はＮＡＴＭ施
工断面図であり、第５，６図は第１．３図相当他の実施
例である。 ２・・・トンネル、２３・・・岩盤、７・・・削孔、Ａ
、　Ｂ・・・ｍ材、１・・・ロックボルト、４・・・ア
ンカボルト、１３・・：差圧バルブ、１０・・−ノズル
（ホール）、１４・・・パツカ、１５・・・パツカ、５
．５’・・・ノズル（スリット）。 ＼−（（ ２０−１７） （ ２２１３ｉ　　　＋。 ２６６The drawings show an example of this invention. Fig. 1 is a cross-sectional view of the rock bolt, Fig. 2 is a side view of the taper cone, Fig. 3 is a cross-sectional view explaining the injection of coagulant, and Fig. 4 is the NATM construction. This is a sectional view, and FIGS. 5 and 6 show other embodiments equivalent to FIGS. 1 and 3. 2...Tunnel, 23...Bedrock, 7...Drilling, A
, B...m material, 1...lock bolt, 4...anchor bolt, 13...: differential pressure valve, 10...-nozzle (hole), 14...patch, 15...pocket , 5
．． 5'... Nozzle (slit). \-((20-17) (2213i +. 266

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] トンネル内岩盤削孔に挿入され凝結材を注入囲繞されて
埋設されるトンネル施工用ロックボルト構造において、
アンカボルトが中空パイプにされ、その中途に差圧バル
ブが設けられ、而して該差圧バルブの基部寄りにノズル
が設けられて該アンカボルトに外設したパツカに接続し
ており、一方該アンカボルト前部に他のノズルが設けら
れていることを特徴とするトンネル施工用ロックボルト
構造。In a rock bolt structure for tunnel construction, which is inserted into a rock borehole inside a tunnel and surrounded by injecting condensation material,
The anchor bolt is made into a hollow pipe, and a differential pressure valve is provided in the middle of the pipe, and a nozzle is provided near the base of the differential pressure valve to connect it to a patcher installed externally on the anchor bolt. A rock bolt structure for tunnel construction characterized by having another nozzle provided at the front of the anchor bolt.
JP8880382U 1982-06-16 1982-06-16 Lock bolt structure for tunnel construction Granted JPS58194299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8880382U JPS58194299U (en) 1982-06-16 1982-06-16 Lock bolt structure for tunnel construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8880382U JPS58194299U (en) 1982-06-16 1982-06-16 Lock bolt structure for tunnel construction

Publications (2)

Publication Number Publication Date
JPS58194299U true JPS58194299U (en) 1983-12-24
JPS6215359Y2 JPS6215359Y2 (en) 1987-04-18

Family

ID=30097460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8880382U Granted JPS58194299U (en) 1982-06-16 1982-06-16 Lock bolt structure for tunnel construction

Country Status (1)

Country Link
JP (1) JPS58194299U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6192211A (en) * 1984-10-11 1986-05-10 Honshu Paper Co Ltd Anchoring method
KR101056764B1 (en) 2007-06-12 2011-08-12 아주대학교산학협력단 Support Bolt
JP2017106207A (en) * 2015-12-09 2017-06-15 株式会社カテックス Injection type lock bolt and implementation method of natural ground strengthening work using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6192211A (en) * 1984-10-11 1986-05-10 Honshu Paper Co Ltd Anchoring method
KR101056764B1 (en) 2007-06-12 2011-08-12 아주대학교산학협력단 Support Bolt
JP2017106207A (en) * 2015-12-09 2017-06-15 株式会社カテックス Injection type lock bolt and implementation method of natural ground strengthening work using the same

Also Published As

Publication number Publication date
JPS6215359Y2 (en) 1987-04-18

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