Study on Floor Heaven Protection technique in Rich Water and Soft Rock
ZHANG Zhizhi
ZHAO Changhong
LI Jingdong
Abstract： The stability of roadway roof floor is poor in rich water and complicated geological conditions , so the article took Three-Soft geological conditions (soft-roof, soft-floor and soft coal seam) of Qing Shuiying Coal Mine as subject to control soft rock dis-tortion of roadway effectively, to keep equipment in service and to reduce maintenance .Supporting techniques that suitable for protecting floor heaven of soft rock roadway was put out by analyzing +965m landing-station floor heave of Qing Shuiying Coal Mine, and practical applications showed the scheme could control soft rock distortion of roadway effectively .
Keywords：soft rockheaving floorInverted arch
Publication Date：2013-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 4-7 )