CN113530581B - 一种极近距离采空区下巷道顶板支护方法 - Google Patents
一种极近距离采空区下巷道顶板支护方法 Download PDFInfo
- Publication number
- CN113530581B CN113530581B CN202010313154.1A CN202010313154A CN113530581B CN 113530581 B CN113530581 B CN 113530581B CN 202010313154 A CN202010313154 A CN 202010313154A CN 113530581 B CN113530581 B CN 113530581B
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- Prior art keywords
- roadway
- top plate
- anchor
- square steel
- horizontal groove
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 239000002002 slurry Substances 0.000 claims description 10
- 230000005641 tunneling Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 7
- 238000005065 mining Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011440 grout Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010313154.1A CN113530581B (zh) | 2020-04-20 | 2020-04-20 | 一种极近距离采空区下巷道顶板支护方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010313154.1A CN113530581B (zh) | 2020-04-20 | 2020-04-20 | 一种极近距离采空区下巷道顶板支护方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113530581A CN113530581A (zh) | 2021-10-22 |
CN113530581B true CN113530581B (zh) | 2023-04-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202010313154.1A Active CN113530581B (zh) | 2020-04-20 | 2020-04-20 | 一种极近距离采空区下巷道顶板支护方法 |
Country Status (1)
Country | Link |
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CN (1) | CN113530581B (zh) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPO220596A0 (en) * | 1996-09-09 | 1996-10-03 | Geosystems | Cable bolt |
CN107420120B (zh) * | 2017-09-08 | 2023-03-21 | 中国矿业大学 | 一种用于冲击倾向性巷道顶板的支护装置及方法 |
CN107965341A (zh) * | 2017-12-01 | 2018-04-27 | 河南理工大学 | 一种大断面硐室管棚管网混凝土支护方法 |
CN111927488A (zh) * | 2020-09-04 | 2020-11-13 | 山西能源学院 | 极近距离煤层采空区下回采巷道的成巷和顶板支护方法及装置 |
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2020
- 2020-04-20 CN CN202010313154.1A patent/CN113530581B/zh active Active
Also Published As
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CN113530581A (zh) | 2021-10-22 |
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Zhen Inventor after: Lou Fang Inventor after: Li Xi Inventor after: Jia Yongyong Inventor after: Wu Tengfei Inventor after: Yong Mingchao Inventor after: Jin Shikui Inventor after: Cheng Yuanyuan Inventor before: Wang Zhen Inventor before: Lou Fang Inventor before: Jia Yongyong Inventor before: Yong Mingchao Inventor before: Jin Shikui |
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Effective date of registration: 20230802 Address after: No.215 Nanchang Road, Urumqi, Xinjiang Uygur Autonomous Region Patentee after: XINJIANG UYGUR AUTONOMOUS REGION Research Institute OF COAL SCIENCE Patentee after: Xinjiang Uygur Autonomous Region Coal Comprehensive Exploration Institute Address before: No.215 Nanchang Road, Urumqi, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG UYGUR AUTONOMOUS REGION Research Institute OF COAL SCIENCE |