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 Download Engineering Rock Mass Classification Download Engineering Rock Mass Classification

Download Engineering Rock Mass Classification

26-Engineering_Rock_Mass_Classification

 

The urgent need for this book, Engineering Rock Mass Classification: Tunneling,
Foundations, and Landslides, was our motivation to write it. Many questions went
through our minds: Is Classification reasonably reliable? Can it be successful in
crisis management of geohazards? Can a single classification system be general
enough for rock structures? Is classification a scientific approach? Laborious
field research was needed to find answers to these vital questions.
By God’s grace, scientists of the Central Institute of Mining and Fuel
Research (CIMFR), IIT Roorkee, Central Soil and Material Research Station
(CSMRS), Irrigation Research Institute (IRI), and the Norwegian Geotechnical
Institute (NGI) came together. These God-gifted ideas and the reliable
field data made our task of interpretation less tortuous. Consequently, several
improvements in correlations have been possible and practical doubts were erased.
At this point, consultancy works were started in the previously mentioned institutions.
The success in consultancy further boosted our morale. Finally, the research
work for this book was systematically compiled to help a new confident generation.
The aim of this book is to generate more creative confidence and interest
among civil, mining, and petroleum engineers and geologists. This book is a comprehensive
revision of our book, Rock Mass Classification—A Practical Approach
in Civil Engineering, and includes rock mass characterization, examples, and modern
classifications.
Based on research, many classification approaches are scientific. Nevertheless,
the scientific spirit of prediction, check, and cross-check should be kept alive;
thus, many alternative classification systems have been presented here for particular
rock structures. In feasibility designs of major projects, the suggested correlations
in this book may be used. For final designs of complex openings, rational
approaches are recommended. In the design of minor projects, field correlations
may be used. The notation for uniaxial compressive strength of rock material in
this book is qc instead of sc. The engineering rock mass classification is an amazingly
successful approach because it is simple, reliable, and time-tested for more
than three decades.
Today the rational approach is becoming popular in consultancy on major projects.
Our goal should be a reliable engineering strategy/solution of geological problems
and not rigorous analysis. This should remove the prevailing dissatisfaction
from the minds of designers. Thus, computer modeling may be the future trend of
research at this time.
It appears that field testing and monitoring may always be the key approach to
use in rock engineering projects, because all

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