Ground Behaviors Analysis of a Stope Covered by the Thin Bedrock and Large-Thick Alluvium: A Case Study
Support crushing and roof fall accidents frequently occur in the large mining height stope covered by the thin bedrock and large-thick alluvium (TBLA). A comprehensive method including field monitoring, numerical modelling, and theory analysis was performed to investigate the strata movement and its...
Saved in:
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2022-01-01
|
| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2022/4759416 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849308279958667264 |
|---|---|
| author | Xiaoping Li Guangchao Zhang Guangzhe Tao Chao Wang Huaixuan Cao Xipo Zhao Xianyang Yan Shibao Shen Guanglei Zhou |
| author_facet | Xiaoping Li Guangchao Zhang Guangzhe Tao Chao Wang Huaixuan Cao Xipo Zhao Xianyang Yan Shibao Shen Guanglei Zhou |
| author_sort | Xiaoping Li |
| collection | DOAJ |
| description | Support crushing and roof fall accidents frequently occur in the large mining height stope covered by the thin bedrock and large-thick alluvium (TBLA). A comprehensive method including field monitoring, numerical modelling, and theory analysis was performed to investigate the strata movement and its induced ground behaviors of a deep-buried stope under TBLA. The filed measurement results indicated that strong roof periodic weighting phenomenon occurred regularly at an interval of 18–23 m during panel 3301 retreating. During weighting period, dynamic characteristics of hydraulic supports are prominent and characterized by high safety valve opening rate and poor working conditions including tilt down operation and excessive end distance. Additionally, numerical modelling results revealed that the thickness of bedrock affects the movement behaviors of the roof strata and its generated spatial structure significantly. Based on the above results, an integrated control measure was proposed and successfully applied to the test site. |
| format | Article |
| id | doaj-art-14b35c1ebd4b4bb981dbdff127298368 |
| institution | Kabale University |
| issn | 1875-9203 |
| language | English |
| publishDate | 2022-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-14b35c1ebd4b4bb981dbdff1272983682025-08-20T03:54:29ZengWileyShock and Vibration1875-92032022-01-01202210.1155/2022/4759416Ground Behaviors Analysis of a Stope Covered by the Thin Bedrock and Large-Thick Alluvium: A Case StudyXiaoping Li0Guangchao Zhang1Guangzhe Tao2Chao Wang3Huaixuan Cao4Xipo Zhao5Xianyang Yan6Shibao Shen7Guanglei Zhou8College of Energy and Mining EngineeringCollege of Energy and Mining EngineeringCollege of Energy and Mining EngineeringYanzhou Coal Mining Co., Ltd.Yanzhou Coal Mining Co., Ltd.Yanzhou Coal Mining Co., Ltd.Yanzhou Coal Mining Co., Ltd.Guotun Coal MineCollege of Energy and Mining EngineeringSupport crushing and roof fall accidents frequently occur in the large mining height stope covered by the thin bedrock and large-thick alluvium (TBLA). A comprehensive method including field monitoring, numerical modelling, and theory analysis was performed to investigate the strata movement and its induced ground behaviors of a deep-buried stope under TBLA. The filed measurement results indicated that strong roof periodic weighting phenomenon occurred regularly at an interval of 18–23 m during panel 3301 retreating. During weighting period, dynamic characteristics of hydraulic supports are prominent and characterized by high safety valve opening rate and poor working conditions including tilt down operation and excessive end distance. Additionally, numerical modelling results revealed that the thickness of bedrock affects the movement behaviors of the roof strata and its generated spatial structure significantly. Based on the above results, an integrated control measure was proposed and successfully applied to the test site.http://dx.doi.org/10.1155/2022/4759416 |
| spellingShingle | Xiaoping Li Guangchao Zhang Guangzhe Tao Chao Wang Huaixuan Cao Xipo Zhao Xianyang Yan Shibao Shen Guanglei Zhou Ground Behaviors Analysis of a Stope Covered by the Thin Bedrock and Large-Thick Alluvium: A Case Study Shock and Vibration |
| title | Ground Behaviors Analysis of a Stope Covered by the Thin Bedrock and Large-Thick Alluvium: A Case Study |
| title_full | Ground Behaviors Analysis of a Stope Covered by the Thin Bedrock and Large-Thick Alluvium: A Case Study |
| title_fullStr | Ground Behaviors Analysis of a Stope Covered by the Thin Bedrock and Large-Thick Alluvium: A Case Study |
| title_full_unstemmed | Ground Behaviors Analysis of a Stope Covered by the Thin Bedrock and Large-Thick Alluvium: A Case Study |
| title_short | Ground Behaviors Analysis of a Stope Covered by the Thin Bedrock and Large-Thick Alluvium: A Case Study |
| title_sort | ground behaviors analysis of a stope covered by the thin bedrock and large thick alluvium a case study |
| url | http://dx.doi.org/10.1155/2022/4759416 |
| work_keys_str_mv | AT xiaopingli groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy AT guangchaozhang groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy AT guangzhetao groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy AT chaowang groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy AT huaixuancao groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy AT xipozhao groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy AT xianyangyan groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy AT shibaoshen groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy AT guangleizhou groundbehaviorsanalysisofastopecoveredbythethinbedrockandlargethickalluviumacasestudy |