ZA202204496B - Working face layout method with coal pillar interval staggered forms for weakening development of mining-induced ground fissure from the source - Google Patents

Working face layout method with coal pillar interval staggered forms for weakening development of mining-induced ground fissure from the source

Info

Publication number
ZA202204496B
ZA202204496B ZA2022/04496A ZA202204496A ZA202204496B ZA 202204496 B ZA202204496 B ZA 202204496B ZA 2022/04496 A ZA2022/04496 A ZA 2022/04496A ZA 202204496 A ZA202204496 A ZA 202204496A ZA 202204496 B ZA202204496 B ZA 202204496B
Authority
ZA
South Africa
Prior art keywords
weakening
mining
development
source
working face
Prior art date
Application number
ZA2022/04496A
Inventor
Hengzhong Zhu
Shaojie Chen
Chuanwei Zang
Dawei Yin
Guangchao Zhang
Original Assignee
Univ Shandong Science & Tech
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 Univ Shandong Science & Tech filed Critical Univ Shandong Science & Tech
Publication of ZA202204496B publication Critical patent/ZA202204496B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
ZA2022/04496A 2021-08-16 2022-04-22 Working face layout method with coal pillar interval staggered forms for weakening development of mining-induced ground fissure from the source ZA202204496B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110937672.5A CN113464139B (en) 2021-08-16 2021-08-16 Coal pillar interval staggered working face layout method for weakening mining ground crack development from source

Publications (1)

Publication Number Publication Date
ZA202204496B true ZA202204496B (en) 2022-07-27

Family

ID=77866875

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2022/04496A ZA202204496B (en) 2021-08-16 2022-04-22 Working face layout method with coal pillar interval staggered forms for weakening development of mining-induced ground fissure from the source

Country Status (2)

Country Link
CN (1) CN113464139B (en)
ZA (1) ZA202204496B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370281A (en) * 2015-10-10 2016-03-02 天地科技股份有限公司 Layout method for lower slice of close distance coal seam group and low layer structure
CN205135632U (en) * 2015-10-10 2016-04-06 天地科技股份有限公司 Lower leaf structure of coal seam group closely
CN109139013A (en) * 2018-08-24 2019-01-04 大同煤矿集团有限责任公司 Ultra close distance coal seam exploits country rock roadway layout method
CN110374600B (en) * 2019-07-29 2020-07-14 中国矿业大学(北京) Non-offset arrangement method for mining roadway of extremely-close coal seam group

Also Published As

Publication number Publication date
CN113464139B (en) 2023-08-22
CN113464139A (en) 2021-10-01

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