WO2016041389A1 - Procédé d'évaluation de la qualité de remplissage sur l'aire de travail d'une exploitation minière de charbon à remplissage solide - Google Patents

Procédé d'évaluation de la qualité de remplissage sur l'aire de travail d'une exploitation minière de charbon à remplissage solide Download PDF

Info

Publication number
WO2016041389A1
WO2016041389A1 PCT/CN2015/081019 CN2015081019W WO2016041389A1 WO 2016041389 A1 WO2016041389 A1 WO 2016041389A1 CN 2015081019 W CN2015081019 W CN 2015081019W WO 2016041389 A1 WO2016041389 A1 WO 2016041389A1
Authority
WO
WIPO (PCT)
Prior art keywords
filling
solid
coal mining
quality
evaluation
Prior art date
Application number
PCT/CN2015/081019
Other languages
English (en)
Chinese (zh)
Inventor
张吉雄
李猛
张强
姜海强
薛松
Original Assignee
中国矿业大学
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 中国矿业大学 filed Critical 中国矿业大学
Publication of WO2016041389A1 publication Critical patent/WO2016041389A1/fr

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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

Definitions

  • the invention relates to a quality evaluation method for filling coal mining face, in particular to a filling quality evaluation method suitable for solid filling coal mining face such as vermiculite and fly ash.
  • solid-filled coal mining technology directly fills solid waste such as surface vermiculite, fly ash and aeolian sand into the underground goaf, and controls the stope.
  • solid waste such as surface vermiculite, fly ash and aeolian sand into the underground goaf, and controls the stope.
  • the filling quality of solid-filled coal mining face is the key to the success of filling.
  • the method of effective evaluation so as to monitor the quality of the solid-filled coal face in real time, is of great significance to ensure the successful implementation of solid-filled coal mining.
  • the object of the present invention is to provide a simple and accurate method for evaluating the filling quality of a solid-filled coal mining face in view of the problems existing in the prior art.
  • the purpose of the solid-filled coal mining application includes coal mining under construction structures, coal mining under water bodies, compaction and filling of strips, solid waste treatment, and room-type coal pillar recovery;
  • the controlled objects include building deformation levels and overlays.
  • the range of rock fissure development, coal mining volume, solid waste treatment capacity, roof stability, different application purposes correspond to different control objects;
  • the evaluation indicators include surface deformation value, water guiding fracture zone height, recovery rate, filling amount And the enrichment rate, different control objects correspond to different evaluation indicators;
  • the filling work surface filling quality evaluation result is to divide the working surface filling quality into two levels: up to standard and not up to standard; if all evaluation indicators meet the respective requirements of compliance, The quality of the working surface filling is up to standard, otherwise it will not meet the standard.
  • the present invention Due to the adoption of the above technical solution, the present invention only needs to determine the evaluation index according to the control object under different filling purposes in actual application, and can evaluate the filling working surface by monitoring the actual value of the evaluation index of the coal mining face in real time. quality.
  • the invention can provide reference for the effective evaluation of the filling quality of the solid filling coal mining face, and is of great significance for ensuring the successful implementation of the solid filling coal mining. It is especially suitable for evaluation of filling quality evaluation of solid-filled coal mining face such as vermiculite and fly ash.
  • the method is simple and easy, saves time and labor, and has good effect. It has wide practicality in the technical field.
  • FIG. 1 is a flow chart of a method for evaluating the filling quality of a solid-filled coal mining face according to the present invention.
  • the method for evaluating the filling quality of the solid-filled coal mining face of the present invention evaluates the filling quality of the filling coal mining face by comparing and analyzing the theoretical and actual values of the evaluation indexes of different solid filling mining applications. Specific steps are as follows:
  • Embodiment 1 Taking a coal mining face of a coal mine CT101 as an example, the specific implementation steps are as follows:
  • the CT101 working face of the coal mine is located under the fourth aquifer.
  • the purpose of the application is to mine coal under water.
  • the mining of coal seam is seriously affected by the “four-inclusive”.
  • the development range of the overlying fracture is selected as the control object. Therefore, it is necessary to strictly control the development range of the overburden fractures in the stope;
  • the height of the water-conducting fracture zone is selected as the evaluation index of the filling quality of the working face
  • the height of the water-conducting fracture zone of the overburden rock is monitored by the drilling flushing method.
  • the maximum height of the water-conducting fracture zone is 10.5m, which is less than the theoretical value of the evaluation index of the filling coal mining.
  • the safe mining of coal seams, so the filling quality of the solid filling coal mining face is up to standard.
  • Example 2 Taking a coal mining face of a coal mine 1312 as an example, the specific implementation steps are as follows:
  • the 1312 working face of the coal mine is located under the building, mainly for brick-concrete structure.
  • the purpose of the application is to mine coal under the building.
  • the deformation level of the building is selected as the control object.
  • the deformation of the surface building must be strictly controlled;
  • the surface deformation value is selected as the evaluation index of the filling quality of the working surface
  • the fortification standards for the fortification standards of the ground building (structure) are: the mining impact control of the building (structure) such as the ground village is within the influence range of the Class I mining
  • the maximum surface subsidence of the building area is controlled within 250mm
  • the maximum horizontal deformation of the surface is controlled within 1.0mm/m. Therefore, it is necessary to ensure that the surface deformation value of the mining face after mining is within the influence range of Class I mining, and determine the theoretical value of the evaluation index: the maximum sinking amount is 250 mm, and the maximum horizontal deformation is 1.0 mm/m;
  • the maximum sinking value of the top surface is 163mm
  • the maximum tensile deformation of the surface is 0.4mm/m
  • the maximum deformation of the surface is 0.7mm/m
  • the maximum inclination of the ground is 0.7mm. /m.
  • the surface subsidence values of all village buildings are less than 250mm fortification standards; the maximum deformation value of each village surface is much smaller than the critical deformation value of general brick-concrete structure bungalows, and the impact damage on various buildings is in the I-level range. It will not affect the normal use of various types of buildings (structures) on the ground. Therefore, the actual value of the evaluation index is less than the theoretical value of the filling coal mining evaluation index to ensure the safe mining of the coal seam under the building, so the filling quality of the solid filling coal mining face is up to standard.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

L'invention concerne un procédé permettant d'évaluer la qualité de remplissage au niveau de l'aire de travail d'une exploitation minière de charbon à remplissage solide. Premièrement, un objet de commande de l'exploitation minière de charbon à remplissage solide est déterminé par un objectif d'application d'exploitation minière de charbon à remplissage solide; deuxièmement, des indices d'évaluation correspondants pour différents objectifs d'exploitation minière de remplissage sont sélectionnés en fonction de l'objet de commande; ensuite, une plage théoriquement requise de chaque indice d'évaluation est déterminée à partir des paramètres géologiques d'ingénierie au niveau de l'aire de travail et de l'objet de commande; enfin, une analyse comparative de la valeur théorique et de la valeur réelle de l'indice d'évaluation est effectuée pour obtenir un résultat d'évaluation de qualité de l'aire de travail de remplissage. Ce procédé fournit une référence pour l'évaluation efficace de la qualité de remplissage au niveau d'une aire de travail de l'exploitation minière de charbon à remplissage solide, il a une grande importance pour garantir la mise en œuvre réussie de l'exploitation minière de charbon à remplissage solide et il est particulièrement adapté à l'évaluation de la qualité de remplissage au niveau d'une aire de travail de l'exploitation minière de charbon à remplissage solide avec un solide, comme de la gangue et des cendres de charbon pulvérisées.
PCT/CN2015/081019 2014-09-19 2015-06-09 Procédé d'évaluation de la qualité de remplissage sur l'aire de travail d'une exploitation minière de charbon à remplissage solide WO2016041389A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410482884.9A CN104330107A (zh) 2014-09-19 2014-09-19 一种固体充填采煤工作面充填质量评价方法
CN201410482884.9 2014-09-19

Publications (1)

Publication Number Publication Date
WO2016041389A1 true WO2016041389A1 (fr) 2016-03-24

Family

ID=52404878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/081019 WO2016041389A1 (fr) 2014-09-19 2015-06-09 Procédé d'évaluation de la qualité de remplissage sur l'aire de travail d'une exploitation minière de charbon à remplissage solide

Country Status (2)

Country Link
CN (1) CN104330107A (fr)
WO (1) WO2016041389A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111428357A (zh) * 2020-03-20 2020-07-17 山西工程技术学院 基于覆岩剩余自由空间高度的地表最大下沉值确定方法
CN112360548A (zh) * 2020-11-24 2021-02-12 西安科技大学 巷旁混凝土充填体全服务周期稳定性监测预警系统及方法
CN116757557A (zh) * 2023-08-15 2023-09-15 山东新巨龙能源有限责任公司 一种基于数据分析的原矸充填开采质量评估方法
CN117217626A (zh) * 2023-11-09 2023-12-12 济宁矿业集团有限公司霄云煤矿 一种基于绿色环保的智能开采方法
CN118008453A (zh) * 2024-01-29 2024-05-10 冀中能源股份有限公司邢东矿 一种充填开采边界受护对象的低扰动处理方法
CN118710136A (zh) * 2024-08-27 2024-09-27 天地科技股份有限公司 液压支架支护质量动态评估方法、装置、电子设备及介质

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240014B (zh) * 2015-11-12 2017-09-15 中国矿业大学 一种充填再造护巷煤柱条带回收房式遗留煤柱的方法
CN105863688B (zh) * 2016-06-14 2019-04-02 中国矿业大学 一种充填采煤液压支架充填特性评价方法
CN107038529B (zh) * 2017-04-07 2023-09-12 天地科技股份有限公司 条带充填体稳定性的评价方法
CN109117585B (zh) * 2018-09-06 2022-10-28 中国矿业大学 一种固体充填材料内部应力确定方法
CN113341048A (zh) * 2021-07-02 2021-09-03 锡林郭勒职业学院 一种黑种草方剂的质量评价方法
CN115341903B (zh) * 2022-08-19 2024-07-02 中国矿业大学 面向煤炭开采和耕地保护协同发展的地下采煤设计方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3932046A1 (de) * 1989-09-26 1991-04-11 Bergwerksverband Gmbh Bruchfeldversatzverfahren
CN103147792A (zh) * 2012-02-22 2013-06-12 贾巍 进路式采煤充填法
CN103899352A (zh) * 2014-04-08 2014-07-02 中国矿业大学 煤炭开采中固体充填充实率设计及控制方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101586460B (zh) * 2009-06-02 2011-03-30 中国矿业大学 一种采煤固体物充填方法
CN103527195B (zh) * 2013-10-23 2016-04-13 中国矿业大学 一种厚夹矸煤层分采分运矸石回填采空区方法
CN103510984B (zh) * 2013-10-23 2015-05-20 中国矿业大学 固体充填采煤充采质量比设计方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3932046A1 (de) * 1989-09-26 1991-04-11 Bergwerksverband Gmbh Bruchfeldversatzverfahren
CN103147792A (zh) * 2012-02-22 2013-06-12 贾巍 进路式采煤充填法
CN103899352A (zh) * 2014-04-08 2014-07-02 中国矿业大学 煤炭开采中固体充填充实率设计及控制方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111428357A (zh) * 2020-03-20 2020-07-17 山西工程技术学院 基于覆岩剩余自由空间高度的地表最大下沉值确定方法
CN111428357B (zh) * 2020-03-20 2023-03-28 山西工程技术学院 基于覆岩剩余自由空间高度的地表最大下沉值确定方法
CN112360548A (zh) * 2020-11-24 2021-02-12 西安科技大学 巷旁混凝土充填体全服务周期稳定性监测预警系统及方法
CN116757557A (zh) * 2023-08-15 2023-09-15 山东新巨龙能源有限责任公司 一种基于数据分析的原矸充填开采质量评估方法
CN116757557B (zh) * 2023-08-15 2023-11-07 山东新巨龙能源有限责任公司 一种基于数据分析的原矸充填开采质量评估方法
CN117217626A (zh) * 2023-11-09 2023-12-12 济宁矿业集团有限公司霄云煤矿 一种基于绿色环保的智能开采方法
CN118008453A (zh) * 2024-01-29 2024-05-10 冀中能源股份有限公司邢东矿 一种充填开采边界受护对象的低扰动处理方法
CN118710136A (zh) * 2024-08-27 2024-09-27 天地科技股份有限公司 液压支架支护质量动态评估方法、装置、电子设备及介质

Also Published As

Publication number Publication date
CN104330107A (zh) 2015-02-04

Similar Documents

Publication Publication Date Title
WO2016041389A1 (fr) Procédé d'évaluation de la qualité de remplissage sur l'aire de travail d'une exploitation minière de charbon à remplissage solide
Jin et al. Evaluation of the remote lower protective seam mining for coal mine gas control: a typical case study from the Zhuxianzhuang Coal Mine, Huaibei Coalfield, China
CN103902780B (zh) 固体充填采煤地表变形预计方法
CN108798769B (zh) 条采采空区一体化综合治理施工方法
CN103195443B (zh) 深部开采优化支护参数预防巷道滞后突水的方法
Pan et al. Effect of premining on hard roof distress behavior: a case study
WO2015196939A1 (fr) Procédé de conception d'exploitation minière à remplissage solide sous un plan d'eau
Liu et al. Undersea safety mining of the large gold deposit in Xinli District of Sanshandao Gold Mine
CN108663724B (zh) 一种基于水资源转移路径的煤矿地下水库位置选择方法
Li et al. The integrated drainage technique of directional high-level borehole of super large diameter on roof replacing roof extraction roadway: A case study of the underground Zhaozhuang Coal Mine
Cao et al. Protection scope and gas extraction of the low-protective layer in a thin coal seam: lessons from the DaHe coalfield, China
CN106150546A (zh) 一种根据地表沉陷特征进行采空区部分充填的方法
CN104405372A (zh) 一种基于高位钻孔流量的测试采场覆岩竖三带高度方法
CN114817826A (zh) 一种基于等效下沉的采动覆岩离层计算方法
Liang et al. Time-domain characteristics of overlying strata failure under condition of longwall ascending mining
CN113622952A (zh) 一种构造复杂区山青煤水害综合治理方法
Shi et al. Study on the mechanisms and prevention of water inrush events in a deeply buried high-pressure coal seam—a case study of the Chensilou coal mine in China
Wang et al. Evolution Laws of Floor Stress and Stability of Floor Roadway Affected by Overhead Mining
CN116163798A (zh) 一种采空区下长壁工作面开采覆岩离层注浆方法
Zhu et al. Prevention of water and mud inrush in longwall top coal cave mining under shallow buried thin bedrock
Rehman et al. Prevention and Mitigation Management of Tunnel Collapse and Failure during Construction-A Review
CN114444266A (zh) 一种近松散层下煤层提高回采上限安全开采的可行性评价方法
CN108625852B (zh) 短壁开采法回收水体下边角煤开采参数的确定方法
Tang Methane drainage optimization by roof-borehole based on physical simulation
Yetkin et al. Determination of most suitable working height of powered roof support considering roof stresses

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15841327

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15841327

Country of ref document: EP

Kind code of ref document: A1