Study on five-in-one rapid excavation technology of rock roadway with fully-mechanized method
Xiao Tongqiang
Li Huamin
Tu Xingzi
Guo Chunsheng
Li Haiyang
Abstract：In order to solve the problem of slow excavation of rock roadways and tense prospect of mining and excavation continuance in Pingdingshan Mining Area,the main factors that constraints fully-mechanized excavation speed were studied,and a five-in-one fully-mechanized rapid excavation technological system was put forward.Taking the gas drainage roadway for the 24011 working face as an example,reasonable roadway excavation horizon and section were determined;a fully-mechanized operation line was established;a time-space vertical intersection construction method and a rapid and active support of surrounding rock control technology were proposed;a series of security technologies including fine geological detection,comprehensive dust removal and hard rock vibration blasting were developed;and finally a five-inone fully-mechanized rapid excavation technology system including roadway horizon and section design,rational selection of equipment and matching facilities,construction technology,efficient support technology and construction safety and security was formed.The practice showed that this technology system realized high-efficiency rock breaking,continuous waste stone exhaust,efficient support and dust removal,and the excavation speed was up to 312 meters per month which significandy increased the speed of rock roadway excavation.
Keywords：fully-mechanized excavation of rock roadwayrapid excavationfive-in-oneconstruction technologysupport technology
Publication Date：2016-11-30
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 1-7 )