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Author Bažant, Z. P., author.

Title Creep and hygrothermal effects in concrete structures / Zdeněk P. Bažant, Milan Jirásek.

Published Dordrecht, Netherlands : Springer, 2018.


Location Call No. Status
Physical description 1 online resource (l, 921 pages) : illustrations (some color).
Series Solid mechanics and its applications, 0925-0042 ; volume 225
Solid mechanics and its applications ; v. 225. 0925-0042
Springer Engineering eBooks 2018 English+International
Bibliography Includes bibliographical references (pages 875-914) and index.
Contents part I. Fundamentals. Introduction : how the theory evolved and how it impacts practice -- Fundamentals of linear viscoelasticity -- Basic properties of concrete creep, shrinkage, and drying -- Structural effects of creep and age-adjusted effective modulus method -- Numerical analysis of creep problems -- Uncertainty due to parameter randomness via sampling of deterministic solutions -- Paradigms of application, phenomena affecting creep deformations, and comparisons to measurements on structures. -- part II. Advanced topics. Moisture transport in concrete -- Solidification theory for aging effect on stiffness and basic creep -- Microprestress-solidification theory and creep at variable humidity and temperature -- Physical and statistical justifications of Models 3 and B4 and comparisons to other models -- Effect of cracking and fracture mechanics aspects of creep and shrinkage analysis -- Temperature effect on water diffusion, hydration rate, creep and shrinkage. appendix A. Viscoelastic rheologic models -- appendix B. Historical note on old creep models -- appendix C. Estimates of parameters used by RILEM Model B3 -- appendix D. Estimates of parameters used by RILEM Model B4 -- appendix E. Creep models recommended by design codes -- appendix F. Continuous retardation spectrum -- appendix G. Free-energy potentials for aging linear viscoelasticity -- appendix H. Updating long-time shrinkage predictions from short-time measurements -- appendix I. Moisture transport characteristics -- appendix J. Moisture transport in porous materials -- appendix K. Nonstandard statistics used in support of some creep and shrinkage models -- appendix L. Method of measurement of creep and shrinkage.
Summary This comprehensive treatise covers in detail practical methods of analysis as well as advanced mathematical models for structures highly sensitive to creep and shrinkage. Effective computational algorithms for century-long creep effects in structures, moisture diffusion and high temperature effects are presented. The main design codes and recommendations (including RILEM B3 and B4) are critically compared. Statistical uncertainty of century-long predictions is analyzed and its reduction by extrapolation is discussed, with emphasis on updating based on short-time tests and on long-term measurements on existing structures. Testing methods and the statistics of large randomly collected databases are critically appraised and improvements of predictions of multi-decade relaxation of prestressing steel, cyclic creep in bridges, cracking damage, etc., are demonstrated. Important research directions, such as nanomechanical and probabilistic modeling, are identified, and the need for separating the long-lasting autogenous shrinkage of modern concretes from the creep and drying shrinkage data and introducing it into practical prediction models is emphasized. All the results are derived mathematically and justified as much as possible by extensive test data. The theoretical background in linear viscoelasticity with aging is covered in detail. The didactic style makes the book suitable as a textbook. Everything is properly explained, step by step, with a wealth of application examples as well as simple illustrations of the basic phenomena which could alternate as homeworks or exams. The book is of interest to practicing engineers, researchers, educators and graduate students.
Other author Jirásek, Milan, author.
SpringerLink issuing body.
Subject Concrete -- Creep.
Concrete -- Expansion and contraction.
Concrete construction.
Electronic books.
ISBN 9789402411386 (electronic bk.)
9402411380 (electronic bk.)
9789402411362 (print)
Standard Number 10.1007/978-94-024-1138-6