Application Practice of Temporary Support Structure for Rapid Excavation of Coal Mine Roadways
Based on the research and analysis of the application of advanced supports that have been announced in the current market,it can be found that the design,selection,and production of these supports are mainly to cope with the drastic changes in surrounding rock,high mining pressure,and low protective force.Therefore,these types of supports usually have heavier weight,larger volume,higher protection force,and smaller flexibility,their application is limited to good tunnel environments,and for tunnels with relatively complex geological conditions,their application scope will be limited.Therefore,a new support design scheme for weak support and strong protection was proposed,and a new type of airborne pre-temporary support was innovatively designed.
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