Uncertainty Analysis In Rock Mass Classification And Its Application To Reliability Evaluation In Tunnel Construction
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Uncertainty Analysis In Rock Mass Classification And Its Application To Reliability Evaluation In Tunnel Construction
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Author : Hui Lu
language : en
Publisher:
Release Date : 2020
Uncertainty Analysis In Rock Mass Classification And Its Application To Reliability Evaluation In Tunnel Construction written by Hui Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Markov processes categories.
Engineering Rock Mass Classification
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Author : R K Goel
language : en
Publisher: Elsevier
Release Date : 2011-08-09
Engineering Rock Mass Classification written by R K Goel and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-09 with Technology & Engineering categories.
Rock mass classification methods are commonly used at the preliminary design stages of a construction project when there is very little information. It forms the bases for design and estimation of the required amount and type of rock support and groundwater control measures. Encompassing nearly all aspects of rock mass classifications in detail, Civil Engineering Rock Mass Classification: Tunnelling, Foundations and Landsides provides construction engineers and managers with extensive practical knowledge which is time-tested in the projects in Himalaya and other parts of the world in complex geological conditions. Rock mass classification is an essential element of feasibility studies for any near surface construction project prior to any excavation or disturbances made to earth. Written by an author team with over 50 years of experience in some of the most difficult mining regions of the world, Civil Engineering Rock Mass Classification: Tunnelling, Foundations and Landsides provides construction engineers, construction managers and mining engineers with the tools and methods to gather geotechnical data, either from rock cuts, drifts or core, and process the information for subsequent analysis. The goal is to use effective mapping techniques to obtain data can be used as input for any of the established rock classification systems. The book covers all of the commonly used classification methods including: Barton’s Q and Q’ systems, Bieniawski’s RMR, Laubscher’s MRMR and Hoek’s and GSI systems. With this book in hand, engineers will be able to gather geotechnical data, either from rock cuts, drifts or core, and process the information for subsequent analysis. Rich with international case studies and worked out equations, the focus of the book is on the practical gathering information for purposes of analysis and design. Identify the most significant parameters influencing the behaviour of a rock mass Divide a particular rock mass formulation into groups of similar behaviour, rock mass classes of varying quality Provide a basis of understanding the characteristics of each rock mass class Relate the experience of rock conditions at one site to the conditions and experience encountered at others Derive quantitative data and guidelines for engineering design Provide common basis for communication between engineers and geologists
Engineering Rock Mass Classifications
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Author : Z. T. Bieniawski
language : en
Publisher: John Wiley & Sons
Release Date : 1989-08-24
Engineering Rock Mass Classifications written by Z. T. Bieniawski and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-08-24 with Technology & Engineering categories.
This is the first authoritative reference on rock mass classification, consolidating into one handy source information once widely scattered throughout the literature. It includes new, previously unpublished material and case histories, presents the fundamental concepts of classification schemes, and critically appraises their practical application in industrial projects such as tunneling and mining.
Rock Mass Stability Around Underground Excavations In A Mine
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Author : Yan Xing
language : en
Publisher: CRC Press
Release Date : 2019-11-20
Rock Mass Stability Around Underground Excavations In A Mine written by Yan Xing and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-20 with Technology & Engineering categories.
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.
Rock Mechanics In Underground Construction Proceedings Of The 4th Asian And International Rock Mechanics Symposium 2006 With Cd Rom
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Author : Chun Fai Leung
language : en
Publisher: World Scientific
Release Date : 2006-11-06
Rock Mechanics In Underground Construction Proceedings Of The 4th Asian And International Rock Mechanics Symposium 2006 With Cd Rom written by Chun Fai Leung and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-11-06 with Technology & Engineering categories.
This proceedings volume contains over 300 papers on rock mechanics and engineering with contributors from all over Asia and many other parts of the world. Seven keynote papers summarize the state-of-the-art in rock engineering including topics such as underground rock caverns. The technical papers cover a wide range of rock mechanics and engineering topics: rock tunnels, caverns, mining, rock slopes and dams, rock blasting, rock burst and failure, rock properties, rock mass, rock joints, and block theory. Numerous valuable rock engineering case studies are also reported.This volume should serve as a useful reference for the engineers and researchers in rock mechanics and rock engineering.
Numerical Validation And Refinement Of Empirical Rock Mass Modulus Estimation
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Author : Colin David Hume
language : en
Publisher:
Release Date : 2011
Numerical Validation And Refinement Of Empirical Rock Mass Modulus Estimation written by Colin David Hume and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
A sound understanding of rock mass characteristics is critical for the engineering prediction of tunnel stability and deformation both during construction and post-excavation. The rock mass modulus of deformation is a necessary input parameter for many numerical analysis methods to describe the constitutive behavior of a rock mass. Tests for determining this parameter directly by in situ test methods are inherently difficult, time consuming and expensive, and these challenges are more problematic when dealing with tunnels in weaker, softer rock masses where errors in modulus (stiffness) estimation have a profound impact on closure predictions. In addition, rock masses with modest structure can be candidate sites for highly sensitive structures such as nuclear waste repository tunnels. For these generally stiffer rock masses, the correct modulus assessment is essential for prediction of thermal response during the service life of the tunnel. Numerous empirical relationships based on rock mass classification schemes have been developed to determine rock mass deformation modulus in response to these issues. The empirical relationship provided by Hoek & Diederichs (2006) based on Geological Strength Index (GSI) has been determined from a database of in situ test data describing a wide range of rock masses with GSI values greater than 25 and less than 80. Within this range of applications there is a large variation in measured values compared to the predicted relationship and predictive uncertainty at low GSI values. In this research, a practical range of rock mass quality, as defined by GSI, including "Blocky\Disturbed\Seamy" rock masses, "Very Blocky" and relatively competent rock masses are analyzed using discretely fractured numerical models. In particular the focus is on tunnel response. Tunnel closure in these simulations is compared to predictions based on modulus estimates. The proposed refinement to the Generalized Hoek-Diederichs relationship is made on the basis of these simulations for tunnelling applications.
Evaluation Of Rock Mass Quality Based On Rock Mass Rating Rmr Method For Tunnel Construction In Piyungan Patuk Area Yogyakarta Indonesia
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Author : Phanthoudeth Pongpanya
language : en
Publisher:
Release Date : 2013
Evaluation Of Rock Mass Quality Based On Rock Mass Rating Rmr Method For Tunnel Construction In Piyungan Patuk Area Yogyakarta Indonesia written by Phanthoudeth Pongpanya and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Rocks categories.
Rock Classification Systems For Engineering Purposes
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Author : Louis Kirkaldie
language : en
Publisher: ASTM International
Release Date : 1988
Rock Classification Systems For Engineering Purposes written by Louis Kirkaldie and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.
Advances In Spatio Temporal Analysis
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Author : Xinming Tang
language : en
Publisher: CRC Press
Release Date : 2007-08-23
Advances In Spatio Temporal Analysis written by Xinming Tang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-23 with Science categories.
Developments in Geographic Information Technology have raised the expectations of users. A static map is no longer enough; there is now demand for a dynamic representation. Time is of great importance when operating on real world geographical phenomena, especially when these are dynamic. Researchers in the field of Temporal Geographical Information Systems (TGIS) have been developing methods of incorporating time into geographical information systems. Spatio-temporal analysis embodies spatial modelling, spatio-temporal modelling and spatial reasoning and data mining. Advances in Spatio-Temporal Analysis contributes to the field of spatio-temporal analysis, presenting innovative ideas and examples that reflect current progress and achievements.
Engineering Classification Of Rock Masses For The Design Of Tunnel Support
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Author : N. Barton
language : en
Publisher:
Release Date : 1977
Engineering Classification Of Rock Masses For The Design Of Tunnel Support written by N. Barton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Rocks categories.