动压区域回采巷道布置技术

单翼采区回采工作面上采下掘,存在下方工作面回风巷道受上部工作面采动压力和采后区段支撑压力的双重影响,使相向掘进的下部工作面回风巷发生变形甚至破坏。通过改进巷道布置和施工顺序,解决了上采下掘巷道施工的技术难题,极大地提高了巷道施工的安全性。

Mining Roadway Layout Technology in Dynamic Pressure Region

In upper mining and down driving at the wing mining area face,the return air-roadway at the down face was influenced by the dynamic pressure of the upper face,and the section support pressure after mining,the deformation or even destruction took place at the down return air-roadway with opposite driving.Through improving the roadway layout and construction sequence,the technical problems of upper mining and down driving were solved,the safety of roadway construction was greatly improved.