Download e-book for kindle: Advances in Rock-Support and Geotechnical Engineering by Shuren Wang, Paul C Hagan, Chen Cao

Energy Mining

By Shuren Wang, Paul C Hagan, Chen Cao

ISBN-10: 0128105526

ISBN-13: 9780128105528

ISBN-10: 0128105534

ISBN-13: 9780128105535

Advances in Rock-Support and Geotechnical Engineering brings jointly the newest study effects concerning the idea of rock mechanics, its analytical tools and leading edge applied sciences, and its purposes in sensible engineering. This ebook is split into six sections, rock exams, rock bolting, grouted anchor, tunneling engineering, slope engineering, and mining engineering.

Coverage contains fracture hinged arching method and instability features of rock plates, failure modes of rock bolting, scale results, and loading move mechanism of the grouted anchor. additionally lined are fresh concepts and purposes in tunneling engineering, slope engineering, and mining engineering.

This e-book offers leading edge, useful, and wealthy content material that may be used as a beneficial reference for researchers venture tunneling engineering, slope engineering, mining engineering, and rock mechanics, and for onsite technical team of workers and academics and scholars learning the themes in comparable universities.

  • Enriches new theories on failure modes of rock plates, rock bolting mechanisms, and anchor loading transfer
  • Develops new equipment of comparing the soundness of slope engineering and the roof balance of the mined-out areas
  • Includes fracture hinged arching technique and instability features of rock plates, failure modes of rock bolting, scale results, and loading move mechanism of the grouted anchor

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Extra resources for Advances in Rock-Support and Geotechnical Engineering

Example text

65, with the curves of the mean values changed from high to low, it indicated that the strength of the four types of sandstones changed from high to low. That is, the SE of rock-cutting increased with the growth of rock strength, and vice versa. 1 The Computational Model As shown in Figs. 67, the numerical calculation model was built by using PFC according to the engineering mechanical model. The horizontal velocity of the calculation model was zero, the top surface was free or the confining pressure boundary.

Transformed Eq. 5) and got Eq. 6) MT RL The Eq. 6) is the fractal model of particle mass. Where, M (r < R) is the particle volume whose size is smaller than R. MT is the gross mass of particle. R is the particle size, and RL is the maximum size of the particle. Taking the logarithm of both sides of the Eq. 7) It can be seen from Eq. 7), lg MðrM

But there are two significant differences in curves of the storage moduli of different rocks with temperature change. The reduced rate of the storage moduli of different rocks with temperature change was significantly different. The curves of the storage moduli for sandstone and mudstone was from steep to flat, and the transition temperatures was nearly 120 C and 30 C, and for granite, the curve was not flat and without the transition temperature until 300 C. The reduced rate of the storage moduli from slow to fast was granite, sandstone, and mudstone, which are consistent with the results in Fig.

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Advances in Rock-Support and Geotechnical Engineering by Shuren Wang, Paul C Hagan, Chen Cao


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