搜索结果: 1-4 共查到“安全科学技术其他学科 Rock”相关记录4条 . 查询时间(0.078 秒)
Stability and deformation of surrounding rock in pillarless gob-side entry retaining
Gob-side entry retaining Surrounding rock Structural stability condition Deformation impact factor
2012/3/27
We analyzed the stability of the retained gob-side entry in four different Chinese coal mining sites and evaluated the influencing factors of roadway deformation such as mining depth, support strength...
Changing regularity of rock damage variable and resistivity under loading condition
Rock damage Resistivity Relation equation Acoustic emission
2012/3/28
In this paper, the stress–strain, resistivity and acoustic emission simultaneous test of compression test for rock have been carried out to obtain the regression equation between the resistivity, and ...
Research progress on electromagnetic radiation in gas-containing coal and rock fracture and its applications
Gas-containing coal and rock fracture Electromagnetic radiation Research progress
2012/3/28
This paper reviews the status quo of the research on electromagnetic radiation in gas-containing coal and rock fracture. It focuses mainly on the electromagnetic radiation phenomena, the generation me...
Experimental study on non-destructive testing of rock bolts based on pseudo-random signal
Pseudo-random signal Rock bolts Non-destructive testing Correlation analysis
2012/3/28
The quality of rock bolt anchoring is closely related to the stability and safety of underground engineering and slope protection. In this paper, non-destructive testing of rock bolts is proposed base...