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rock strength

1cohesion 1drilling-monitoring system 1friction angle 1microfractures 1rate of penetration 1rock drilling 1specific energy 1strength evolution 1torque

1Enshang, Xiao 1Guolai, Zhang 1Jing, H. W. 1Niu, S. J. 1Nunoo, S. 1Ruilang, Cao 1Shangxin, Feng 1Shanyong, Wang 1Tannant, D. D. 1Wang, S. Y. 1Yufei, Zhao 1Yujie, Wang 1Zhang, H. Q.

Date

12015 12020

Facets

1cohesion 1drilling-monitoring system 1friction angle 1microfractures 1rate of penetration 1rock drilling 1specific energy 1strength evolution 1torque

1Enshang, Xiao 1Guolai, Zhang 1Jing, H. W. 1Niu, S. J. 1Nunoo, S. 1Ruilang, Cao 1Shangxin, Feng 1Shanyong, Wang 1Tannant, D. D. 1Wang, S. Y. 1Yufei, Zhao 1Yujie, Wang 1Zhang, H. Q.

Date

12015 12020

Title
Creator
Date

Estimation of optimal drilling efficiency and rock strength by using controllable drilling parameters in rotary non-percussive drilling

- Shangxin, Feng, Yujie, Wang, Guolai, Zhang, Yufei, Zhao, Shanyong, Wang, Ruilang, Cao, Enshang, Xiao

Creator: Shangxin, Feng , Yujie, Wang , Guolai, Zhang , Yufei, Zhao , Shanyong, Wang , Ruilang, Cao , Enshang, Xiao
Resource Type: journal article
Date: 2020

Evolution of cohesion and friction angle during microfracture accumulation in rock

- Zhang, H. Q., Tannant, D. D., Jing, H. W., Nunoo, S., Niu, S. J., Wang, S. Y.

Creator: Zhang, H. Q. , Tannant, D. D. , Jing, H. W. , Nunoo, S. , Niu, S. J. , Wang, S. Y.
Resource Type: journal article
Date: 2015

1

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