Shovel-Truck Systems: Modelling, Analysis and Calculations, 1st Edition (Hardback) book cover

Shovel-Truck Systems

Modelling, Analysis and Calculations, 1st Edition

By Jacek M. Czaplicki

CRC Press

172 pages | 84 B/W Illus.

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pub: 2008-11-17
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Description

This book provides a comprehensive analysis of the exploitation process of shovel-truck systems using modelling, analysis and calculations following specific procedures:

- analyzing the reliability and accessibility of shovels

- discussing the functioning of a truck-repair shop system

- reliability of trucks

- existence of haulers reserve

- repair shop service capability

- possibility of occurrence of a queue of failed trucks

- selection of structural truck system parameters

- reliability of repair stands

- constructing a set of unconditional efficiency measures for the system

- outlining of system productivity measures

The book also aimed to provide a penetrative analysis of 6 stochastic mechanisms, namely the:

(1) Influence of reliability and accessibility of power shovels on system efficiency and decisions making

(2) Influence of reliability of hauling machines on the number of repair stands and trucks needed

(3) Influence of truck accessibility on the number of haulers and repair stands needed

(4) Influence of reliability of repair stands on the number of failed trucks in a queue waiting for repair, on the number of trucks in work state and the number of repair stands needed

(5) Influence of all these properties on the number of trucks at power shovels, system efficiency and productivity

(6) Influence of implementation of type of priority in truck dispatching on system performance parameters.

The book will be of interest to all mining engineers and civil engineers involved in use and development of shovel-truck systems, technology and planning. Moreover, it can be used as textbook for advanced courses in mine mechanization.

Reviews

Beyond doubt this is an important and meritorious book: Developing and applying new or improving old approaches different from those currently in use in order to better understand, analyze, assess and finally optimize technical systems is of utmost importance for the further development of science and technology, and hence the industry; and this is exactly what Czaplicki aims at.

Professor F.L. Wilke, Technical University Berlin, Germany

Table of Contents

Preface and acknowledgements

List of notations

1. Introduction

1.1. Open pit mines

1.2. Machinery systems applied

1.3. Description of operation of the machinery system

2. Queuing systems applied

2.1. The Maryanovitch model

2.2. The G/G/k/r queuing model

3. Literature review

4. Purpose, method applied and field of consideration

5. Reliability and the exploitation process

6. Probabilistic properties of components of the machinery system exploitation process

6.1. Shovel repair times

6.2. Shovel work times

6.3. Truck repair times

6.4. Truck work times

6.5. Times of truck work cycle phases

7. Modelling and analysis of the exploitation process of a shovel-truck system: Part I

7.1. System of shovels

7.2. Truck-workshop system

7.3. Probability distribution of number of trucks in work state

8. Verification of selection of structural parameters of the system

9. Modelling and analysis of the exploitation process of a shovel-truck system: Part II

9.1. Reliability of repair stands

9.2. Shovel-truck system

10. Further analysis and system calculation

11. Modelling—Case study I

12. Spare loaders

13. Modelling—Case study II

14. Systems with priority and the ideal dispatcher

14.1. Introduction

14.2. Modification of case II—the ideal dispatcher

15. Hauling distance and system characteristics

16. Special topic: Availability of a technical object

17. Final remarks

References

Index

About the Author

Jacek Czaplicki received his Master of Science in Mine Mechanization from the Silesian University of Technology, Gliwice, Poland. He also obtained a Doctorate degree in Technical Sciences and his Doctor in Science degree in Mining and Geological Engineering with a specialization in Mine Machinery at the same University.

He worked for three years at the Kwara State College of Technology, Ilorin, Nigeria on a UNESCO project. A few years later he was appointed to Zambia Consolidated Copper

Mines Ltd and worked as a lecturer at the School of Mines at the University of Zambia as part of a World Bank project.

He has published more than a hundred and twenty papers. His specialization comprises mine transport, reliability and computation of mine machinery and their systems and reliability of hoist head ropes. He is an internationally recognized specialist in mine mechanization.

Subject Categories

BISAC Subject Codes/Headings:
TEC009020
TECHNOLOGY & ENGINEERING / Civil / General
TEC009070
TECHNOLOGY & ENGINEERING / Mechanical
TEC009150
TECHNOLOGY & ENGINEERING / Civil / Soil & Rock
TEC016000
TECHNOLOGY & ENGINEERING / Industrial Design / General