By Shuren Wang, Paul C Hagan, Chen Cao
Advances in Rock-Support and Geotechnical Engineering brings jointly the newest examine effects in regards to the idea of rock mechanics, its analytical equipment and cutting edge applied sciences, and its purposes in useful engineering. This e-book is split into six sections, rock assessments, rock bolting, grouted anchor, tunneling engineering, slope engineering, and mining engineering.
Coverage comprises 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. additionally coated are contemporary techniques and purposes in tunneling engineering, slope engineering, and mining engineering.
This booklet offers cutting edge, sensible, and wealthy content material that may be used as a helpful 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 themes in similar universities.
- Enriches new theories on failure modes of rock plates, rock bolting mechanisms, and anchor loading transfer
- Develops new tools 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
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Extra info for Advances in Rock-Support and Geotechnical Engineering
ROCK TESTING crushing, and they paid less attention to the test content, test standard, and test methods of the rock-breaking index (Alberto and Nicola, 2002; Tivadar and Vass, 2011). A test method of mechanical shock rockbreaking was used in the School of Mining Engineering, University of New South Wales (UNSW), which is easy to operate and has a good visual effect. However, the test method has some defects: these indicators of speciﬁc energy and rock-breaking production per unit length have characteristics of data dispersion and poor statistical regularity.
Finally, in the double logarithmic coordinate axis, it is easy to calculate the slope b of the ﬁtting curves and the factual dimension D of the rock debris can be obtained according to b ¼ 3 À D. 1 Test Equipment and Sandstone Samples The cutting test is conducted by using the linear rock-cutting machine in the laboratory of School of Mining Engineering (UNSW). As shown in Fig. 57, the dimensions of the cutting machine are 1829 mm long, 1118 mm wide, and 1321 mm high, respectively. For past research work at UNSW, the original cutter head was 6.
4. 1 Introduction The roof of mined-out areas is composed of layered rock plates in general. The instability of the layered rock plates is inﬂuenced by many factors, such as the rock particle size, the rockplate boundary conditions, the rock-plate temperature, and so forth. Some scholars have conducted a lot of research on the stability of the layered rock plates. Gou (2008) considered the doublebedded rock slope as the folded beams structure and analyzed the deformation and failure mechanism of the double layered rock slope, discussed the buckling behavior and the bifurcation characteristic of the laminated beams by using the slab buckling theory and proposed the disaster criterion of the rock structure.
Advances in Rock-Support and Geotechnical Engineering by Shuren Wang, Paul C Hagan, Chen Cao