Research on pressure relief technology of deep and shallow hole combined blasting under retaining small coal pillar in double roadway excavation

Research on pressure relief technology of deep and shallow hole combined blasting under retaining small coal pillar in double roadway excavation

In order to prevent and control the disaster of large deformation and strong ore pressure in the heading roadway under the arrangement of retaining small coal pillars in double roadway heading, the pressure relief technology of deep and shallow hole combined blasting was put forward based on the eng...

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Bibliographic Details
Main Authors: Guanghui ZHANG, Junjun JIANG, Zhigang DENG, Shankun ZHAO, Ruijiang SI, Jianming GAO, Lijun XU, Aoze ZHANG
Format: Article
Language:zho
Published: Editorial Department of Coal Science and Technology 2023-11-01
Series:Meitan kexue jishu
Subjects:
small coal pillar supporting lane
deep and shallow hole combined blasting
roof structure
microseismic energy cloud map
coal pillar stress
deformation of roadway
Online Access:http://www.mtkxjs.com.cn/article/doi/10.13199/j.cnki.cst.2022-1532

Internet

http://www.mtkxjs.com.cn/article/doi/10.13199/j.cnki.cst.2022-1532

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