Open AccessStudy on Prediction of Gas Burst Hazard Before Advancing a Tunnel Through Coal Seam
Author(s) -
Xiaotao Hu,
Liang Cheng
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/741/1/012060
Subject(s) - rock burst , hazard , coal mining , mining engineering , coal , excavation , engineering , petroleum engineering , environmental science , geotechnical engineering , waste management , chemistry , organic chemistry
This paper discusses how to predict burst hazard when advancing a tunnel through a gassy coal seam in order to prevent gas burst disaster during tunnel excavation. It covers prediction of burst hazard for Huayan Tunnel of Chengdu-Chongqing Expressway in the city of Chongqing before its left tube is advanced through a gassy coal seam at ZK3+200. The prediction result is reliable and has ensured the safety and stability of the Huayan Tunnel while it is advanced through the gassy coal seam.