miningst.comminingst.com/resources/ground mining and control...zhu de ren analysis of roof...

7

Upload: others

Post on 14-Jul-2020

0 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: miningst.comminingst.com/resources/Ground Mining and Control...Zhu De Ren ANALYSIS OF ROOF CONVERGENCE IN GATEWAYS 15 10 O peak X) 40 Distance from m. Fig. 2. Convergence rates measured
Page 2: miningst.comminingst.com/resources/Ground Mining and Control...Zhu De Ren ANALYSIS OF ROOF CONVERGENCE IN GATEWAYS 15 10 O peak X) 40 Distance from m. Fig. 2. Convergence rates measured
Page 3: miningst.comminingst.com/resources/Ground Mining and Control...Zhu De Ren ANALYSIS OF ROOF CONVERGENCE IN GATEWAYS 15 10 O peak X) 40 Distance from m. Fig. 2. Convergence rates measured
Page 4: miningst.comminingst.com/resources/Ground Mining and Control...Zhu De Ren ANALYSIS OF ROOF CONVERGENCE IN GATEWAYS 15 10 O peak X) 40 Distance from m. Fig. 2. Convergence rates measured
Page 5: miningst.comminingst.com/resources/Ground Mining and Control...Zhu De Ren ANALYSIS OF ROOF CONVERGENCE IN GATEWAYS 15 10 O peak X) 40 Distance from m. Fig. 2. Convergence rates measured
Page 6: miningst.comminingst.com/resources/Ground Mining and Control...Zhu De Ren ANALYSIS OF ROOF CONVERGENCE IN GATEWAYS 15 10 O peak X) 40 Distance from m. Fig. 2. Convergence rates measured
Page 7: miningst.comminingst.com/resources/Ground Mining and Control...Zhu De Ren ANALYSIS OF ROOF CONVERGENCE IN GATEWAYS 15 10 O peak X) 40 Distance from m. Fig. 2. Convergence rates measured