This article research how to make the most of development roadway's drivage width,by using simple turnout to solving empty and heavy mine car dispatching,and gain the easy,quick,economic end.

in developing entry of Huayuan coal mine,the authors analyzed and studied the structural changes of wall rock caused by the blasting shocks,thus many kinds of practical union supports are adopted in field construction to guarantee the project supports quality and the construction security,especially in main rail tunnel.

Deformation and support study of deep roadway of Jinchuan No.2 mine area;

High pretensioned stress and intensive bolting system and its application in deep roadways;

Numerical analysis on support structure of rock around deep roadway;

Analysis on induced factors of pressure bump occurred in deep mine roadway of Zhaogezhuang Mine;

Failure features of deep mine roadway and practices on heading-support technology;

With the mine resources development,an alternation of fracturing area and intact area phenomenon so-called zonal disintegration appears in surrounding rock mass of deep mine roadways.

The deep tunnel has strong dynamic disturbance characteristics.