Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance

In order to explore the deformation and failure evolution characteristics of the surrounding rock during the connection process of the deep rock burst drivage roadway under the dynamic load disturbance, and based on this, the catastrophe mechanism of the roadway is analyzed, taking the rock burst ac...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Xinggang Xu, Hao Feng, Lishuai Jiang, Tao Guo, Xingyu Wu, Zequan Sun
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/34b641ebb8024a899afd6c49eafbc90f
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:34b641ebb8024a899afd6c49eafbc90f
record_format	dspace
spelling	oai:doaj.org-article:34b641ebb8024a899afd6c49eafbc90f2021-11-08T02:37:19ZResearch on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance1875-920310.1155/2021/7956421https://doaj.org/article/34b641ebb8024a899afd6c49eafbc90f2021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/7956421https://doaj.org/toc/1875-9203In order to explore the deformation and failure evolution characteristics of the surrounding rock during the connection process of the deep rock burst drivage roadway under the dynamic load disturbance, and based on this, the catastrophe mechanism of the roadway is analyzed, taking the rock burst accident of Longyun Coal Industry in Shandong Province on October 20, 2018, as the engineering background. FLAC3D was used to study the distribution evolution law of displacement, plastic zone, and stress field in the whole process of “Roadway Drivage-Deformation and Failure-Instability and Disaster” in the surrounding rock of deep roadway. The research results show that under the conditions of high stress and dynamic load disturbance, the surrounding rock deformation and failure are significant during the connection of the thick-top-coal roadway in deep, the roof is the most, the two ribs are the second, and the roadway top-coal is in an “inverted trapezoid” sag pattern. When the length of the bolts is limited or the anchoring force of the cables is not enough to effectively restrain the roof, the impact of dynamic disturbance on the plastic damage of the roof is greater than that of the two ribs and the floor, and the plastic damage of the coal seam roof affecting the surrounding rock deformation of the roadway drivage played a leading role.Xinggang XuHao FengLishuai JiangTao GuoXingyu WuZequan SunHindawi LimitedarticlePhysicsQC1-999ENShock and Vibration, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Xinggang Xu Hao Feng Lishuai Jiang Tao Guo Xingyu Wu Zequan Sun Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance
description	In order to explore the deformation and failure evolution characteristics of the surrounding rock during the connection process of the deep rock burst drivage roadway under the dynamic load disturbance, and based on this, the catastrophe mechanism of the roadway is analyzed, taking the rock burst accident of Longyun Coal Industry in Shandong Province on October 20, 2018, as the engineering background. FLAC3D was used to study the distribution evolution law of displacement, plastic zone, and stress field in the whole process of “Roadway Drivage-Deformation and Failure-Instability and Disaster” in the surrounding rock of deep roadway. The research results show that under the conditions of high stress and dynamic load disturbance, the surrounding rock deformation and failure are significant during the connection of the thick-top-coal roadway in deep, the roof is the most, the two ribs are the second, and the roadway top-coal is in an “inverted trapezoid” sag pattern. When the length of the bolts is limited or the anchoring force of the cables is not enough to effectively restrain the roof, the impact of dynamic disturbance on the plastic damage of the roof is greater than that of the two ribs and the floor, and the plastic damage of the coal seam roof affecting the surrounding rock deformation of the roadway drivage played a leading role.
format	article
author	Xinggang Xu Hao Feng Lishuai Jiang Tao Guo Xingyu Wu Zequan Sun
author_facet	Xinggang Xu Hao Feng Lishuai Jiang Tao Guo Xingyu Wu Zequan Sun
author_sort	Xinggang Xu
title	Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance
title_short	Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance
title_full	Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance
title_fullStr	Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance
title_full_unstemmed	Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance
title_sort	research on deformation and failure evolution of deep rock burst drivage roadway surrounding rock under dynamic disturbance
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/34b641ebb8024a899afd6c49eafbc90f
work_keys_str_mv	AT xinggangxu researchondeformationandfailureevolutionofdeeprockburstdrivageroadwaysurroundingrockunderdynamicdisturbance AT haofeng researchondeformationandfailureevolutionofdeeprockburstdrivageroadwaysurroundingrockunderdynamicdisturbance AT lishuaijiang researchondeformationandfailureevolutionofdeeprockburstdrivageroadwaysurroundingrockunderdynamicdisturbance AT taoguo researchondeformationandfailureevolutionofdeeprockburstdrivageroadwaysurroundingrockunderdynamicdisturbance AT xingyuwu researchondeformationandfailureevolutionofdeeprockburstdrivageroadwaysurroundingrockunderdynamicdisturbance AT zequansun researchondeformationandfailureevolutionofdeeprockburstdrivageroadwaysurroundingrockunderdynamicdisturbance
_version_	1718442988058705920

Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance

Ejemplares similares