Study onDistribution Law of Support Pressu re Before Working Face with Shallow Buri ed and Thin Bedrock
CAO Wu-ying
JIAN Xiu-chao
Abstract：The paper monitored pilot roof support pressure distribution law of coal mining face in shallowly buried and thin bedrock coal mine through field installation of different depth of borehole stress meter .Based on the collecting data, different depths pilot roof support pressure distribution law was analyzed , the advance pressure of the wall affected by mining area and the roof fracture range near the coal pillar were given.The re-sult in this study is very useful for mine disaster prevention.
Keywords：Shallowly buriedthin bedrockpilot roof support pressuredamage range
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 36-40 )