Combined support mechanism of rock bolts and anchor cables for adjacent roadways in the external staggered split-level panel layout
作者机构：National University of Science and Technology MISISMoscowRussia School of Energy and Mining EngineeringChina University of Mining and Technology-BeijingBeijing 100083China
出 版 物：《International Journal of Coal Science & Technology》 (国际煤炭科学技术学报（英文）)
年 卷 期：2021年第8卷第4期
页 面：659-673页
核心收录：
学科分类：08[工学] 080104[工学-工程力学] 0815[工学-水利工程] 0801[工学-力学（可授工学、理学学位）]
基 金：National Natural Science Foundation of Surface Project of China(Grant Nos.51774289 52074291) The National Natural Science Foundation of the Youth Science Foundation of China(Grant No.51404270) The Fundamental Research Funds for the Central Universities(Grant No.2011QZ06) The Open Fund of State Key Laboratory of Coal Resources in Western China(Grant No.SKLCRKF1903)
主 题：Combined support Split-level panel layout External staggered gob-side entry Adjacent roadways
摘 要：Using the spatial structure of the external staggered split-level panel layout,a combined support technology for adjacent roadways was developed and analyzed for a rock bolt and anchor cable *** influence of the side rock bolt and anchor cable parameters on the mechanical properties of the anchorage body and the support stress distribution of the lateral coal body were revealed using the FLAC3D *** optimal support parameters of the side rock bolts and anchor cables were subsequently determined,and the support effect of gob-side entry in a mining scenario was *** results show that the support of the side rock bolts and anchor cables improves the mechanical properties and stress state of the anchorage body,producing a good protective effect on the coal body of the air-intake entry roof and side *** is beneficial to the stability of the side wall and the realization of the suspension effect for roof rock bolts and anchor cables,which in turn makes the surrounding rock maintenance of the gob-side entry to a thick coal seam more favorable.
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