Discrete Model Of Creep In Concrete Materials And Structures PDF Download
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Author | : Jihun Lee |
Publisher | : |
Total Pages | : 0 |
Release | : 2009 |
Genre | : |
ISBN | : |
Download Discrete model of creep in concrete materials and structures : thesis Book in PDF, ePub and Kindle
Author | : Jihun Lee |
Publisher | : |
Total Pages | : 46 |
Release | : 2009 |
Genre | : |
ISBN | : 9781109510355 |
Download Discrete Model of Creep in Concrete Materials and Structures Book in PDF, ePub and Kindle
Time dependent strain is an important factor in structural design, since it is often of the same order of magnitude as (or even larger than) instantaneous strain due to loading. Time dependent strain is generally due to creep and/or shrinkage. The time domain of creep and shrinkage can be of relatively long duration. Behavior of creep and shrinkage is actually non-linear over time, but the analysis of such behavior can be simplified by assuming linear behavior on a log scale of time. This can be obtained from a summation of each deformation over successive time intervals by superposition theory using a rate-type creep law, which provides suitable results for long time durations. The Maxwell Chain model, winch is one common form of rate-type creep law, is computationally efficient and suitable for large-scale analyses. Following background discussions, this thesis involves the implementation and basic validation of this type of rate-type creep formulation within lattice models for structural analysis.
Author | : Z. P. Bažant |
Publisher | : |
Total Pages | : 498 |
Release | : 1988 |
Genre | : Mathematics |
ISBN | : |
Download Mathematical Modeling of Creep and Shrinkage of Concrete Book in PDF, ePub and Kindle
Based on the proceedings of the Fourth International Union of Testing and Research Laboratories in Materials and Structures (RILEM) Symposium held at Northwestern University, August 1986. Contributions reflect the state of the art and address the major concerns related to long-term serviceability of concrete construction.
Author | : Tada-aki Tanabe |
Publisher | : CRC Press |
Total Pages | : 1552 |
Release | : 2008-09-01 |
Genre | : Technology & Engineering |
ISBN | : 0203882954 |
Download Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures, Two Volume Set Book in PDF, ePub and Kindle
CREEP, SHRINKAGE AND DURABILITY MECHANICS OF CONCRETE AND CONCRETE STRUCTURES contains the keynote lectures, technical reports and contributed papers presented at the Eighth International Conference on Creep, Shrinkage and Durability of Concrete and Concrete Structures (CONCREEP8, Ise-shima, Japan, 30 September - 2 October 2008). The topics covered
Author | : Zdeněk P. Bažant |
Publisher | : Springer |
Total Pages | : 960 |
Release | : 2018-01-17 |
Genre | : Technology & Engineering |
ISBN | : 9402411380 |
Download Creep and Hygrothermal Effects in Concrete Structures Book in PDF, ePub and Kindle
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.
Author | : Nenad Bicanic |
Publisher | : CRC Press |
Total Pages | : 1108 |
Release | : 2014-03-04 |
Genre | : Technology & Engineering |
ISBN | : 1138001457 |
Download Computational Modelling of Concrete Structures Book in PDF, ePub and Kindle
The EURO-C conference series (Split 1984, Zell am See 1990, Innsbruck 1994, Badgastein 1998, St Johann im Pongau 2003, Mayrhofen 2006, Schladming 2010, St Anton am Alberg 2014) brings together researchers and practising engineers concerned with theoretical, algorithmic and validation aspects associated with computational simulations of concrete and concrete structures. The conference reviews and discusses research advancements and the applicability and robustness of methods and models for reliable analysis of complex concrete, reinforced concrete and pre-stressed concrete structures in engineering practice. Conference topics and invited papers cover both computational mechanics and computational modelling aspects of the analysis and design of concrete and concrete structures: * Constitutive and Multiscale Modelling of Concrete * Advances in Computational Modelling * Time Dependent and Multiphysics Problems * Performance of Concrete Structures The book is of special interest to researchers in computational concrete mechanics, as well as industry experts in complex nonlinear simulations of concrete structures.
Author | : F.H. Wittmann |
Publisher | : Springer Science & Business Media |
Total Pages | : 515 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 9401037167 |
Download Fundamental Research on Creep and Shrinkage of Concrete Book in PDF, ePub and Kindle
Today research on creep and shrinkage of concrete is diversified to such a degree that specialists working in different areas sometimes find it difficult to understand one-another. Materials scientists are mainly interested in processes on a microstructural level but they do not necessarily understand the relevance of time dependent deformation in structural design. On the other hand engineers who apply simplified model laws in non-elastic structural analysis are not always in the position to judge the limitations implied in their approach. It is generally realized that further development can be stimulated by a more effective exchange of results and ideas among the different groups involved. In an attempt to bridge this obvious gap in September 1980 there was a Conference organized at Swiss Federal Institute of Technology in Lausanne. The papers presented at this meeting covered the wide range starting with microstructural aspects and mechanisms and including constitutive modelling and structural creep analysis. These contributions together with summaries of two panel discussions are being published in this volume. All serious of the meeting have been introduced by invited lectures. These papers will be published in a special volume "Creep and Moisture Effects in Concrete". This special volume is rather to be a general survey of the different areas covered while the present conference proceedings provide a unique selection of research papers. Nowadays time-dependent deformation of concrete can be taken into consideration realistically by computerized structural analysis.
Author | : Günther Meschke |
Publisher | : CRC Press |
Total Pages | : 1735 |
Release | : 2018-01-31 |
Genre | : Technology & Engineering |
ISBN | : 1351726757 |
Download Computational Modelling of Concrete Structures Book in PDF, ePub and Kindle
The EURO-C conference series (Split 1984, Zell am See 1990, Innsbruck 1994, Badgastein 1998, St. Johann im Pongau 2003, Mayrhofen 2006, Schladming 2010, St. Anton am Arlberg 2014, and Bad Hofgastein 2018) brings together researchers and practising engineers concerned with theoretical, algorithmic and validation aspects associated with computational simulations of concrete and concrete structures. Computational Modelling of Concrete Structures reviews and discusses research advancements and the applicability and robustness of methods and models for reliable analysis of complex concrete, reinforced concrete and pre-stressed concrete structures in engineering practice. The contributions cover both computational mechanics and computational modelling aspects of the analysis and design of concrete and concrete structures: Multi-scale cement and concrete research: experiments and modelling Aging concrete: from very early ages to decades-long durability Advances in material modelling of plain concrete Analysis of reinforced concrete structures Steel-concrete interaction, fibre-reinforced concrete, and masonry Dynamic behaviour: from seismic retrofit to impact simulation Computational Modelling of Concrete Structures is of special interest to academics and researchers in computational concrete mechanics, as well as industry experts in complex nonlinear simulations of concrete structures.
Author | : Günther Meschke |
Publisher | : CRC Press |
Total Pages | : 1500 |
Release | : 2022-05-22 |
Genre | : Technology & Engineering |
ISBN | : 100064474X |
Download Computational Modelling of Concrete and Concrete Structures Book in PDF, ePub and Kindle
Computational Modelling of Concrete and Concrete Structures contains the contributions to the EURO-C 2022 conference (Vienna, Austria, 23-26 May 2022). The papers review and discuss research advancements and assess the applicability and robustness of methods and models for the analysis and design of concrete, fibre-reinforced and prestressed concrete structures, as well as masonry structures. Recent developments include methods of machine learning, novel discretisation methods, probabilistic models, and consideration of a growing number of micro-structural aspects in multi-scale and multi-physics settings. In addition, trends towards the material scale with new fibres and 3D printable concretes, and life-cycle oriented models for ageing and durability of existing and new concrete infrastructure are clearly visible. Overall computational robustness of numerical predictions and mathematical rigour have further increased, accompanied by careful model validation based on respective experimental programmes. The book will serve as an important reference for both academics and professionals, stimulating new research directions in the field of computational modelling of concrete and its application to the analysis of concrete structures. EURO-C 2022 is the eighth edition of the EURO-C conference series after Innsbruck 1994, Bad Gastein 1998, St. Johann im Pongau 2003, Mayrhofen 2006, Schladming 2010, St. Anton am Arlberg 2014, and Bad Hofgastein 2018. The overarching focus of the conferences is on computational methods and numerical models for the analysis of concrete and concrete structures.
Author | : Gunther Meschke |
Publisher | : CRC Press |
Total Pages | : 949 |
Release | : 2020-11-26 |
Genre | : Mathematics |
ISBN | : 1000155412 |
Download Computational Modelling of Concrete Structures Book in PDF, ePub and Kindle
This conference proceedings brings together the work of researchers and practising engineers concerned with computational modelling of complex concrete, reinforced concrete and prestressed concrete structures in engineering practice. The subjects considered include computational mechanics of concrete and other cementitious materials, including masonry. Advanced discretisation methods and microstructural aspects within multi-field and multi-scale settings are discussed, as well as modelling formulations and constitutive modelling frameworks and novel experimental programmes. The conference also considered the need for reliable, high-quality analysis and design of concrete structures in regard to safety-critical structures, with a view to adopting these in codes of practice or recommendations. The book is of special interest to researchers in computational mechanics, and industry experts in complex nonlinear simulations of concrete structures.