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| Author | : Bak Kong Low |
| Publisher | : CRC Press |
| Total Pages | : 399 |
| Release | : 2021-11-01 |
| Genre | : Technology & Engineering |
| ISBN | : 1000472566 |
Download Reliability-Based Design in Soil and Rock Engineering Book in PDF, ePub and Kindle
This book contains probabilistic analyses and reliability-based designs (RBDs) for the enhancement of Eurocode 7 (EC7) and load and resistance factor design (LRFD) methods. An intuitive perspective and efficient computational procedure for the first-order reliability method (FORM, which includes the Hasofer–Lind reliability index) is explained, together with discussions on the similarities and differences between the design point of EC7/LRFD and RBD-via-FORM. Probability-based designs with respect to the ultimate and serviceability limit states are demonstrated for soil and rock engineering, including shallow and deep foundations, earth-retaining structures, soil slopes, 2D rock slopes with discontinuities, 3D rock slopes with wedge mechanisms, and underground rock excavations. Renowned cases in soil and rock engineering are analyzed both deterministically and probabilistically, and comparisons are made with other probabilistic methods. This book is ideal for practitioners, graduate students and researchers and all who want to deepen their understanding of geotechnical RBD accounting for uncertainty and overcome some limitations and potential pitfalls of the evolving LRFD and EC7. Solutions for the book’s examples are available online and are helpful to acquire a hands-on appreciation: https://www.routledge.com/9780367631390.
| Author | : Kok-Kwang Phoon |
| Publisher | : CRC Press |
| Total Pages | : 545 |
| Release | : 2008-04-25 |
| Genre | : Technology & Engineering |
| ISBN | : 0203934245 |
Download Reliability-Based Design in Geotechnical Engineering Book in PDF, ePub and Kindle
Reliability-based design is the only engineering methodology currently available which can ensure self-consistency in both physical and probabilistic terms. It is also uniquely compatible with the theoretical basis underlying other disciplines such as structural design. It is especially relevant as geotechnical design becomes subject to increasing codification and to code harmonization across national boundaries and material types. Already some codes of practice describe the principles and requirements for safety, serviceability, and durability of structures in reliability terms. This book presents practical computational methods in concrete steps that can be followed by practitioners and students. It also provides geotechnical examples illustrating reliability analysis and design. It aims to encourage geotechnical engineers to apply reliability-based design in a realistic context that recognises the complex variabilities in geomaterials and model uncertainties arising from a profession steeped in empiricism. By focusing on learning through computations and examples, this book serves as a valuable reference for engineers and a resource for students.
| Author | : Kok-Kwang Phoon |
| Publisher | : CRC Press |
| Total Pages | : 624 |
| Release | : 2018-10-09 |
| Genre | : Technology & Engineering |
| ISBN | : 1482227223 |
Download Risk and Reliability in Geotechnical Engineering Book in PDF, ePub and Kindle
Establishes Geotechnical Reliability as Fundamentally Distinct from Structural Reliability Reliability-based design is relatively well established in structural design. Its use is less mature in geotechnical design, but there is a steady progression towards reliability-based design as seen in the inclusion of a new Annex D on "Reliability of Geotechnical Structures" in the third edition of ISO 2394. Reliability-based design can be viewed as a simplified form of risk-based design where different consequences of failure are implicitly covered by the adoption of different target reliability indices. Explicit risk management methodologies are required for large geotechnical systems where soil and loading conditions are too varied to be conveniently slotted into a few reliability classes (typically three) and an associated simple discrete tier of target reliability indices. Provides Realistic Practical Guidance Risk and Reliability in Geotechnical Engineering makes these reliability and risk methodologies more accessible to practitioners and researchers by presenting soil statistics which are necessary inputs, by explaining how calculations can be carried out using simple tools, and by presenting illustrative or actual examples showcasing the benefits and limitations of these methodologies. With contributions from a broad international group of authors, this text: Presents probabilistic models suited for soil parameters Provides easy-to-use Excel-based methods for reliability analysis Connects reliability analysis to design codes (including LRFD and Eurocode 7) Maximizes value of information using Bayesian updating Contains efficient reliability analysis methods Accessible To a Wide Audience Risk and Reliability in Geotechnical Engineering presents all the "need-to-know" information for a non-specialist to calculate and interpret the reliability index and risk of geotechnical structures in a realistic and robust way. It suits engineers, researchers, and students who are interested in the practical outcomes of reliability and risk analyses without going into the intricacies of the underlying mathematical theories.
| Author | : Kok-Kwang Phoon |
| Publisher | : |
| Total Pages | : |
| Release | : 2008 |
| Genre | : |
| ISBN | : |
Download Reliability-Based Design in Geotechnical Engineering Book in PDF, ePub and Kindle
Reliability-based design is the only engineering methodology currently available which can ensure self-consistency in both physical and probabilistic terms, and which is compatible with the theoretical basis underlying other disciplines such as structural design. It is especially relevant as geotechnical design becomes subject to increasing codification and to code harmonization across national boundaries and material types, and as it begins to conform to an umbrella framework predominantly established by structural engineers. Already some codes of practice describe the principles and requirem.
| Author | : K.K. Phoon |
| Publisher | : CRC Press |
| Total Pages | : 354 |
| Release | : 2016-11-25 |
| Genre | : Science |
| ISBN | : 1351783394 |
Download Reliability of Geotechnical Structures in ISO2394 Book in PDF, ePub and Kindle
The latest 4th edition of the international standard on the principles of reliability for load bearing structures (ISO2394:2015) includes a new Annex D dedicated to the reliability of geotechnical structures. The emphasis in Annex D is to identify and characterize critical elements of the geotechnical reliability-based design process. This book contains a wealth of data and information to assist geotechnical engineers with the implementation of semi-probabilistic or full probabilistic design approaches within the context of established geotechnical knowledge, principles, and experience. The introduction to the book presents an overview on how reliability can play a complementary role within prevailing norms in geotechnical practice to address situations where some measured data and/or past experience exist for limited site-specifi c data to be supplemented by both objective regional data and subjective judgment derived from comparable sites elsewhere. The principles of reliability as presented in ISO2394:2015 provides the common basis for harmonization of structural and geotechnical design. The balance of the chapters describes the uncertainty representation of geotechnical design parameters, the statistical characterization of multivariate geotechnical data and model factors, semi-probabilistic and direct probability-based design methods in accordance to the outline of Annex D. This book elaborates and reinforces the goal of Annex D to advance geotechnical reliability-based design with geotechnical needs at the forefront while complying with the general principles of reliability given by ISO2394:2015. It serves as a supplementary reference to Annex D and it is a must-read for designing geotechnical structures in compliance with ISO2394:2015.
| Author | : Kok-Kwang Phoon |
| Publisher | : CRC Press |
| Total Pages | : 521 |
| Release | : 2023-12-11 |
| Genre | : Technology & Engineering |
| ISBN | : 1003801250 |
Download Uncertainty, Modeling, and Decision Making in Geotechnics Book in PDF, ePub and Kindle
Uncertainty, Modeling, and Decision Making in Geotechnics shows how uncertainty quantification and numerical modeling can complement each other to enhance decision-making in geotechnical practice, filling a critical gap in guiding practitioners to address uncertainties directly. The book helps practitioners acquire a working knowledge of geotechnical risk and reliability methods and guides them to use these methods wisely in conjunction with data and numerical modeling. In particular, it provides guidance on the selection of realistic statistics and a cost-effective, accessible method to address different design objectives, and for different problem settings, and illustrates the value of this to decision-making using realistic examples. Bringing together statistical characterization, reliability analysis, reliability-based design, probabilistic inverse analysis, and physical insights drawn from case studies, this reference guide from an international team of experts offers an excellent resource for state-of-the-practice uncertainty-informed geotechnical design for specialist practitioners and the research community.
| Author | : Roberto Tomás |
| Publisher | : CRC Press |
| Total Pages | : 1585 |
| Release | : 2024-07-29 |
| Genre | : Technology & Engineering |
| ISBN | : 1040225756 |
Download New Challenges in Rock Mechanics and Rock Engineering Book in PDF, ePub and Kindle
New Challenges in Rock Mechanics and Rock Engineering includes the contributions presented at the ISRM European Rock Mechanics Symposium Eurock 2024 (Alicante, Spain, 15-19 July 2024), and explores cutting-edge advancements in rock mechanics and rock engineering. This comprehensive compilation covers various aspects of rock mechanics and rock engineering, including: rock properties, testing methods, infrastructure and mining rock mechanics, design analysis, stone heritage preservation, geophysics, numerical modeling, monitoring techniques, underground excavation support, risk assessment, and the application of EUROCODE-7 in rock engineering. Furthermore, it addresses areas like geomechanics for the oil and gas industry, applications of artificial intelligence, remote sensing methodologies and geothermal technology. New Challenges in Rock Mechanics and Rock Engineering covers the latest breakthroughs and tackles the new challenges in rock mechanics and rock engineering, is aimed at scientists and professionals in these fields, and serves as an essential resource for keeping up to date with industry trends and solutions.
| Author | : Jay Ameratunga |
| Publisher | : Springer |
| Total Pages | : 236 |
| Release | : 2015-12-11 |
| Genre | : Science |
| ISBN | : 8132226291 |
Download Correlations of Soil and Rock Properties in Geotechnical Engineering Book in PDF, ePub and Kindle
This book presents a one-stop reference to the empirical correlations used extensively in geotechnical engineering. Empirical correlations play a key role in geotechnical engineering designs and analysis. Laboratory and in situ testing of soils can add significant cost to a civil engineering project. By using appropriate empirical correlations, it is possible to derive many design parameters, thus limiting our reliance on these soil tests. The authors have decades of experience in geotechnical engineering, as professional engineers or researchers. The objective of this book is to present a critical evaluation of a wide range of empirical correlations reported in the literature, along with typical values of soil parameters, in the light of their experience and knowledge. This book will be a one-stop-shop for the practising professionals, geotechnical researchers and academics looking for specific correlations for estimating certain geotechnical parameters. The empirical correlations in the forms of equations and charts and typical values are collated from extensive literature review, and from the authors' database.
| Author | : Nezam Bozorgzadeh |
| Publisher | : |
| Total Pages | : |
| Release | : 2018 |
| Genre | : |
| ISBN | : |
Download Contributions in Uncertainty Quantification Towards Reliability-based Rock Engineering Design Book in PDF, ePub and Kindle
This thesis contributes to two distinct but related problems in contemporary rock engineering design which arise in the context of developing limit states design (LSD) protocols. In doing so, it identifies the discrepancies between geotechnical limit states design standards and customary rock engineering design procedures. These discrepancies are shown to be classified as (i) difficulties regarding definition of limit state functions stemming from model uncertainty, and (ii) parameter uncertainties stemming from lack of sufficient quantitative data. With regards to (i) above, this thesis demonstrates the existence of a significant component of neglected and unquantifiable model uncertainty in rock engineering, embodied in the form of various subjective-qualitative schemes (e.g. RMR, Q and GSI) commonly used in rock engineering. We suggest that the term "nebulous models" better describes the role of such schemes in engineering design, and discuss how their common application is a major obstacle to achieving rock engineering LSD, overcoming which requires community-wide efforts and a fundamental change in mindset. This thesis continues to discuss (ii) above in more detail. We introduce Bayesian data analysis (BDA) which allows logical augmentation of data with information from other sources (i.e. relevant historical data and expert knowledge) as a potential solution to the problem of limited data in rock engineering. Limiting our investigation to analysis of intact rock strength data, we develop Bayesian regression models that accommodate variability of strength data, and characterize the to-date neglected associated strength parameter uncertainties. We particularly address simultaneous analysis of tensile and compressive strength data. Furthermore, we propose a hierarchical Bayesian model for meta-analysis of rock strength data which results in shrinkage of uncertainty of estimated parameters. We further discuss how the results of this model may be used to augment future data. Also, this thesis develops a quantile regression model for obtaining strength curves that comply with LSD standard definitions of characteristic values. Finally, Bayesian regression analysis is used to reveal and characterize a neglected statistical property of strength of strongly anisotropic rock, namely, unequal variance with respect to loading direction. This thesis concludes with suggestions for the research required to further develop rock engineering LSD.
| Author | : Fred H. Kulhawy |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2013 |
| Genre | : Engineering geology |
| ISBN | : 9780784412763 |
Download Foundation Engineering in the Face of Uncertainty Book in PDF, ePub and Kindle
WIDTH: 405pt; BORDER-COLLAPSE: collapse border=0 cellSpacing=0 cellPadding=0 width=540> WIDTH: 405pt; mso-width-source: userset; mso-width-alt: 19748 width=540> HEIGHT: 31.5pt height=42> BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; WIDTH: 405pt; HEIGHT: 31.5pt; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0 class=xl65 height=42 width=540>GSP 229 contains 54 papers on risk and uncertainty in foundation engineering presented in honor of Fred H. Kulhawy.
