AU2020202743B2 - Strip support method by using filler and residual coal pillar in irregular goaf - Google Patents

Strip support method by using filler and residual coal pillar in irregular goaf Download PDF

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Publication number
AU2020202743B2
AU2020202743B2 AU2020202743A AU2020202743A AU2020202743B2 AU 2020202743 B2 AU2020202743 B2 AU 2020202743B2 AU 2020202743 A AU2020202743 A AU 2020202743A AU 2020202743 A AU2020202743 A AU 2020202743A AU 2020202743 B2 AU2020202743 B2 AU 2020202743B2
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grouting
filling
irregular
strip
goaf
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AU2020202743A
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AU2020202743A1 (en
Inventor
Huayang Dai
Longfei Duan
Manchao He
Xiaodan Li
Yueguan YAN
Wang ZHANG
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China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
AU2020202743A 2019-04-04 2020-04-24 Strip support method by using filler and residual coal pillar in irregular goaf Active AU2020202743B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201910270745 2019-04-04
CN201910726866.3A CN110307034B (zh) 2019-04-04 2019-08-07 采空区的条带式注浆充填方法
CN201910726866.3 2019-08-07

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AU2020202743A1 AU2020202743A1 (en) 2021-02-25
AU2020202743B2 true AU2020202743B2 (en) 2021-08-19

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AU2020202743A Active AU2020202743B2 (en) 2019-04-04 2020-04-24 Strip support method by using filler and residual coal pillar in irregular goaf

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CN (1) CN110307034B (zh)
AU (1) AU2020202743B2 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761832B (zh) * 2019-11-29 2020-07-03 山东科技大学 一种采空区经纬状充填方法
CN112761718B (zh) * 2021-01-11 2023-03-10 太原理工大学 一种膏体材料结构充填控制地表残余沉陷的方法
CN113704863B (zh) * 2021-10-28 2022-02-18 中煤科工集团西安研究院有限公司 一种房柱式采空区控制充填关键参数设计方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392644A (zh) * 2010-11-30 2012-03-28 淄博市王庄煤矿 中厚以下煤层的条带式流体膨胀充填开采方法
CN109899109A (zh) * 2019-04-04 2019-06-18 中国矿业大学(北京) 非规则采空区的注浆充填方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101797771A (zh) * 2010-04-02 2010-08-11 中铁二局股份有限公司 高速公路下伏采空区注浆投沙时浆液的制备方法
CN105422170B (zh) * 2015-11-02 2018-10-23 安徽理工大学 一种建筑基础下中深采空区注浆加固处理方法
CN106640190B (zh) * 2016-12-22 2020-01-03 煤炭科学技术研究院有限公司 地表建设光伏电站的矿井采空区治理方法
CN207177964U (zh) * 2017-09-21 2018-04-03 山东科技大学 一种废弃矿井采空区注浆充填结构
CN108240234B (zh) * 2017-12-28 2019-06-28 辽宁工程技术大学 一种铁路沿线下伏煤矿采空区注浆处治方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392644A (zh) * 2010-11-30 2012-03-28 淄博市王庄煤矿 中厚以下煤层的条带式流体膨胀充填开采方法
CN109899109A (zh) * 2019-04-04 2019-06-18 中国矿业大学(北京) 非规则采空区的注浆充填方法

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AU2020202743A1 (en) 2021-02-25
CN110307034B (zh) 2020-05-22
CN110307034A (zh) 2019-10-08

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