Download e-book for iPad: Advances in Rock-Support and Geotechnical Engineering by Shuren Wang, Paul C Hagan, Chen Cao
By Shuren Wang, Paul C Hagan, Chen Cao
Advances in Rock-Support and Geotechnical Engineering brings jointly the most recent study effects concerning the thought of rock mechanics, its analytical tools and leading edge applied sciences, and its purposes in functional engineering. This e-book is split into six sections, rock checks, 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 coated are fresh concepts and functions in tunneling engineering, slope engineering, and mining engineering.
This ebook offers leading edge, functional, and wealthy content material that may be used as a worthy reference for researchers venture tunneling engineering, slope engineering, mining engineering, and rock mechanics, and for onsite technical team of workers and lecturers and scholars learning the subjects in similar universities.
- Enriches new theories on failure modes of rock plates, rock bolting mechanisms, and anchor loading transfer
- Develops new equipment of comparing the steadiness of slope engineering and the roof balance of the mined-out areas
- Includes fracture hinged arching procedure and instability features of rock plates, failure modes of rock bolting, scale results, and loading move mechanism of the grouted anchor
Read or Download Advances in Rock-Support and Geotechnical Engineering PDF
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Additional info for Advances in Rock-Support and Geotechnical Engineering
38 was the result of double-layer rock plates with both ends hinged under the concentrated load which was conducted at School of 28 1. 38 The laboratory test of double-layer rock plates under the concentrated load. Mining Engineering, University of New South Wales, Australia. 2. expansion method (Fig. 39A). Then, the level joint plane was set in the double-layer rock plates, and the upper thickness was 24 mm and the lower thickness was 14 mm (Fig. 39B). 0 mm, and meanwhile the two cylinder walls were respectively placed under the right and left of the bottom of the lower plate as the supporting base (Fig.
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. The cutter simulated by using two mutually perpendicular wall sections was moved to the right at a certain velocity, the back-rake angle, and the cutting depth to simulate the cutting process. The rock specimen was treated as the porous material that consisted of particles and the cemented bodies.
A) Granite. (B) Sandstone. (C) Mudstone. 1. 2 Analysis of the Loss Modulus Fig. 52 is the curves of the loss moduli with temperature change for three rocks. As shown in Fig. 52, the loss moduli of different rocks decrease with temperature increasing and frequency increasing, and the curves of loss moduli show an obvious ﬂuctuation. The order from weak to strong for the curves of the loss moduli ﬂuctuation is granite, sandstone, and mudstone. Overall, under the alternating stress, with temperature increasing the curves change amplitude of the loss moduli for granite is small relative to sandstone and mudstone, and it means granite has a lower energy dissipation performance.
Advances in Rock-Support and Geotechnical Engineering by Shuren Wang, Paul C Hagan, Chen Cao