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Rock Engineering DesignProperties and Applications of Sound Level By Harsha Vardhan
M00001579
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Being knowledgeable about rock properties is vital to being effective in the design of blasts in mines, quarries and other construction projects. Without proper knowledge, the energy released during blasting can be underutilized, harm the environment, and may escalate costs. Rock Engineering Design: Properties and Applications of Sound Level aids scientists and practicing engineers in determining rock properties in a quick and precise way. It presents the basic concepts and principles on which sound level can be used in solving rock engineering design problems.
Highlighting the importance of sound level in determining rock properties, the book focuses on the indirect method with emphasis on the development of numerical models in rock engineering design.
Discusses determining rock property using sound levels produced during drilling Explores the benefits of effective rock design applications Helps students to develop an interest in using sound level as a tool in rock design applicationsThe book provides a general introduction to noise, its effect, and standards. It discusses the application of noise monitoring for mining equipment, the application of acoustic emission techniques in geotechnical fields, the equipment for drilling, measurement of sound, and the physico-mechanical properties of rocks. It also explores the process involved in the measurement of rock properties and sound level. This book summarizes in tables and figures the statistical values of the rock properties and sound level produced during the drilling of different rocks. It explains developed regression models, procedure, and the results of developed artificial neural network models. Rock Engineering Design: Properties and Applications of Sound Level includes a case study, and offers a summary and suggestions for further work.
Table of Contents
General about Noise
Genesis of Noise, Propagation and its Unit
Common Terminology
Impact of Noise
Statutory Provisions Pertaining to Noise Exposure in India and Other Countries
References
Application of Noise Monitoring for Mining Equipment
Sources of Noise in Heavy Earth Moving Machinery (HEMM)
Diesel Engine Noise: Characteristics and Control
Noise Control of Mining Equipment
Noise Characteristics of HEMM
References
Rock Mechanics: Application of Sound Level
Introduction
Experimental Work on Rock Properties
References
Application of Acoustic Emission and Equivalent Sound Levels in the Geotechnical Fields
Introduction
Application of Acoustic Emission in Geotechnical Engineering
Regression and ANN Techniques in the Geotechnical Fields
References
Equipment for Drilling, Measurement of Sound and Physico-Mechanical Properties of Rocks
Drilling Machine
Sound Level Measuring Instrument
Compression Testing Machine
Schmidt Hammer
P-Wave Velocity Measuring Equipment
Tensile Strength Testing Machine
Measurement of Rock Properties and Sound Level
Rock Compressive Strength
Schmidt Rebound Number
Dry Density of Rock
P-Wave Velocity
Rock Tensile Strength
Young’s Modulus (E) and Percentage Porosity of the Rock
A-Weighted Equivalent Sound Level
References
Regression Modeling
Introduction
Multiple Regression Analysis and ANOVA Technique
Selection of Rock Samples for Modeling
Regression Models
Performance Prediction of Derived Models
References
Application of Artificial Neural Networks
Introduction
Multi-Layer Perceptron
Back – Propagation (BP) Algorithm
Multi-Layer Perceptron (MLP) Model
Radial Basis Function (RBF) Neural Network
ANN and Regression Models: A Comparison
References
Case Study: Sound Level vis-à-vis Rock Properties
Lithology of the Mine/Area
Drilling Machine and Sound Measuring Instrument
Sound Measurement
Sound Level vis-à-vis Rock Properties
Summary and Suggestions for Further Work
Summary
Suggestions for Further Work
Appendices
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Author(s)
Biography
Dr. Harsha Vardhan completed his bachelor of technology in mining engineering from the National Institute of Technology Karnataka at Surathkal and a Ph.D. from the Indian School of Mines, Dhanbad. At present he is working on the faculty of the National Institute of Technology Karnataka at Surathkal as associate professor, Department of Mining Engineering. He has developed expertise in the area of mine environment, underground ventilation, and noise control of mining equipment. He has developed a special interest in the application of acoustics in rock mechanics. Dr. Vardhan has to his credit more than 86 research papers in international and national journals and conferences.
Dr. Rajesh Kumar Bayar
completed his bachelor of engineering degree in mechanical engineering from Mysore University, his master of Technology in advanced manufacturing engineering, and a Ph.D. from the National Institute of Technology Karnataka at Surathkal. Before joining the Technical Institute of Ministry of Manpower, Sultanate of Oman, he worked with the N.M.A.M Institute of Technology, Nitte. At present he is working on the faculty of the Department of Engineering, Mechanical Section, Higher College of Technology, Muscat, Sultanate of Oman. Dr. Bayar has developed expertise in the area of CAD/CAM, finite element analysis, artificial neural network, and rock mechanics. He is actively involved in research and consultancy.Reviews
"…the authors appear to be onto something which, once its practical aspects can be exploited in the field, certainly has the potential for effective use in predominantly large-scale mining or extractive operations."
—NZ Geomechanica News, June 2014"Selection of topics are well arranged, readers may follow the topic easily in a logical way without losing interest. …The application of sound level in determining the fault and its diagnosis in the mechanical industries is very well known technique for practicing engineers and scientists. However, its application in rock engineering design is not very common and this book is unique in the market in this respect and I believe it will open new horizons to students and scientists working in rock engineering. … The topic of the book is a new area in the field of rock mechanics and I believe it will open new horizons to research students and practicing engineers. …"
––Prof. Dr. Nuh Bilgin, Lecturer, Istanbul Technical University, Maden Fakultesi, Maslak Istanbul"…Applying a novel concept, the authors have demonstrated that rock properties can be estimated to a reasonable degree of accuracy even without carrying out actual tests in some established laboratory. The suggested method can be used for preliminary estimates of rock properties, thereby saving time and cost. … I am of the opinion that the authors have presented a new idea through this book. This idea may prompt researchers worldwide to carry out further research in this area."
––Prof. G. R. Adhikari, Department of Mining Engineering, Goa College of Engineering, India"Few of the numerous textbooks published on rock mechanics and mining engineering stray from the core subject matters of index properties, mass parameters, and ground stress. This book is very different - not only does it address a non-core subject but it makes it the centrepiece of the book. The fundamental premise presented here is that acoustic emissions (AE), or the sound generated by the mechanised drilling of rock, can be used to indirectly determine other rock properties such as strength."
––Kevin J. Hind, Engineering Geologist and Project Director, Tonkin & Taylor, Ltd., from NZ Geomechanics News
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