Rock Mass Stability Around Underground Excavations in a Mine: A Case Study, 1st Edition (Hardback) book cover

Rock Mass Stability Around Underground Excavations in a Mine

A Case Study, 1st Edition

By Yan Xing, Pinnaduwa H.S.W. Kulatilake, Louis Sandbak

CRC Press

180 pages

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Hardback: 9780367360085
pub: 2019-09-16
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Stability of underground excavations is of great importance to an operating mine because it ensures the safety of the working people and operating equipment, and successful ore production. Due to the complex geological conditions and mine constructions, and variability and uncertainty in estimating rock mass mechanical properties, the assessment of rock mass stability for an underground mine is extremely challenging and difficult. Tackling of this difficult problem is not covered in detail in any of the textbooks currently available in the rock mechanics literature. This monograph aims to cover this gap in the rock mechanics and rock engineering field.

This monograph provides detailed procedures for the stability assessment and support design for an underground mine case study. It covers the background of the mine site including the monitored deformation data, the state-of-art methodologies for the stability analysis of rock masses around underground excavations, performed laboratory tests, estimation of the rock mass properties, a brief theory and background of the 3-D Distinct Element Code (3DEC), and numerical modeling of underground rock mass stability including investigation of the effectiveness of rock supports. The monograph is an excellent reference for the senior undergraduates, graduate students, researchers and practitioners who work in the Underground Rock Mechanics and Rock Engineering area in the Mining Engineering, Civil Geotechnical Engineering and DEM (Distinct Element Method) Numerical modeling.

Table of Contents

1 Introduction

2 Description of the site, the tunnel system, ground control methods and field measurements

3 Methodologies for investigating rock mass stability around underground excavations

4 Some critical factors in modeling rock mass stability around underground excavations

5 Theory and background of three-dimensional Distinct Element Code

6 Conducted laboratory tests and results

7 Three-dimensional discontinuum numerical modeling of tunnel stability

8 Conclusions and recommendations for future work


About the Authors

Yan Xing is a postdoctoral researcher at China University of Mining and Technology. She received her Ph.D. degree in Mining, Geological and Geophysical Engineering at the University of Arizona in August 2017. She was a visiting Ph.D. student at the University of Arizona from 2013 to 2014, sponsored by the Chinese Scholarship Council. Her research interests are rock mass stability around underground excavations and DEM Numerical Modelling.

Pinnaduwa H. S. W. Kulatilake has been a National Distinguished Foreign Expert in China, and an Academic Director and Distinguished Professor of Rock Mechanics and Rock Engineering of the School of Natural Resources and Environmental Engineering at the Jiangxi University of Science and Technology, Ganzhou, China since May 2019, and Professor and Director of Rock Mass Modeling and Computational Rock Mechanics Laboratories at the University of Arizona, USA since September 1981.

Louis Sandbak received the Bachelor of Science Degree in Geology from the Northern Arizona University, Flagstaff, USA and the Master of Engineering Degree in Geotechnical Engineering from the University of Arizona, Tucson, AZ USA. He has been a Senior Geotechnical Engineer at the Barrick Turquoise Ridge Mine, Nevada, USA during the last 13 years.

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