JPS61138000A - ロツクボルト工法 - Google Patents

ロツクボルト工法

Info

Publication number
JPS61138000A
JPS61138000A JP25762684A JP25762684A JPS61138000A JP S61138000 A JPS61138000 A JP S61138000A JP 25762684 A JP25762684 A JP 25762684A JP 25762684 A JP25762684 A JP 25762684A JP S61138000 A JPS61138000 A JP S61138000A
Authority
JP
Japan
Prior art keywords
bolt
inner cylinder
base end
ground
cylinder
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
JP25762684A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0314999B2 (enExample
Inventor
吉雅 大倉
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.)
Fujita Corp
Original Assignee
Fujita Corp
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 Fujita Corp filed Critical Fujita Corp
Priority to JP25762684A priority Critical patent/JPS61138000A/ja
Publication of JPS61138000A publication Critical patent/JPS61138000A/ja
Publication of JPH0314999B2 publication Critical patent/JPH0314999B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Piles And Underground Anchors (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
JP25762684A 1984-12-07 1984-12-07 ロツクボルト工法 Granted JPS61138000A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25762684A JPS61138000A (ja) 1984-12-07 1984-12-07 ロツクボルト工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25762684A JPS61138000A (ja) 1984-12-07 1984-12-07 ロツクボルト工法

Publications (2)

Publication Number Publication Date
JPS61138000A true JPS61138000A (ja) 1986-06-25
JPH0314999B2 JPH0314999B2 (enExample) 1991-02-28

Family

ID=17308862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25762684A Granted JPS61138000A (ja) 1984-12-07 1984-12-07 ロツクボルト工法

Country Status (1)

Country Link
JP (1) JPS61138000A (enExample)

Also Published As

Publication number Publication date
JPH0314999B2 (enExample) 1991-02-28

Similar Documents

Publication Publication Date Title
US4305687A (en) Anchoring system for rock bolts
US4664561A (en) Combined resin-mechanical mine roof bolt anchor
AU2018265326B2 (en) Friction rock bolt
US4631889A (en) Fixing devices
US3837258A (en) Rock bolts
US5052861A (en) Roof bolt with plastic sleeve and mechanical anchor
JPH08312063A (ja) 補強筋又はプリストレス鋼材等の係止装置
JPS61138000A (ja) ロツクボルト工法
CN209354180U (zh) 平动防转倒楔涨紧式预应力锚杆
JPS622120B2 (enExample)
JP3429025B2 (ja) 斜面補強アンカー及び工法
JP2003184180A (ja) 柱脚の定着装置及びそれを用いた柱脚の定着部
US4633627A (en) Earth anchors
CN1031726C (zh) 支压式地锚
JPH0823261B2 (ja) 並列トンネルの施工方法
JPS6117118Y2 (enExample)
JP2546733B2 (ja) 圧密土地盤のアンカー施工法
JP3466724B2 (ja) 節付き既製杭
CN214460370U (zh) 锚杆及危岩锚固结构
US4445812A (en) Bolt anchor especially for use in hard materials
JP2519849Y2 (ja) 自穿孔ロックボルト
JPH0310240Y2 (enExample)
JP2505815Y2 (ja) 後施工アンカ―装置
JPS64538B2 (enExample)
JPH0532435U (ja) ロツクボルト