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Creep Of Concrete Under Various Temperature Moisture And Loading Conditions
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Book Synopsis Creep of Concrete Under Various Temperature, Moisture, and Loading Conditions by :
Download or read book Creep of Concrete Under Various Temperature, Moisture, and Loading Conditions written by and published by . This book was released on 1977 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was conducted to develop information on the time-dependent deformation behavior of concrete in the presence of temperature, moisture, and loading conditions similar to those encountered in a prestressed concrete reactor vessel. Variables were one concrete strength (6000 psi (41 MPa) at 28 days), three aggregate types (chert, limestone, and graywacke), one cement (Type II), two types of specimens (as-cast and air-dried), two levels of temperature during test (73 F and 150 F (23 C and 66 C)), and four types of loading (uniaxial, hydrostatic, biaxial, and triaxial). There were 66 test conditions for creep tests and 12 test conditions for unloaded or control specimens. Experimental results are presented and discussed. Comparisons are made concerning the effect of the various test conditions on the behavior of concrete and general conclusions are formulated. (Author).
Book Synopsis Creep of Concrete Under Various Temperature, Moisture and Loading Conditions by : James E. McDonald
Download or read book Creep of Concrete Under Various Temperature, Moisture and Loading Conditions written by James E. McDonald and published by . This book was released on 1977 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Temperature on Creep of Concrete by : H. G. Geymayer
Download or read book The Effect of Temperature on Creep of Concrete written by H. G. Geymayer and published by . This book was released on 1970 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of the literature on the effect of elevated temperatures on the time-dependent volume change due to load (creep) of concrete reveals incomplete and conflicting evidence. Some workers have found a 'creep maximum' at a particular temperature range; others have not encountered this phenomenon. Among those who have found it, there is lack of agreement as to what the range is. All available data have been collected, reduced to comparable form, and analyzed. The analysis has been reviewed in the light of the several theories of the mechanism of concrete creep. It is concluded that the new results on temperature effects on creep do not resolve the conflicts among the various creep theories, but they tend to support the seepage theory more than any other. Many factors affecting creep are found to be influential at elevated temperatures in analogous fashion to their influence at room temperature. These factors include time under load, applied stress, maturity of concrete, and moisture content of concrete. The effect of temperature, at least up to 50 C, is to increase creep by a factor of two or three at 50 C. (Author).
Book Synopsis Creep and Hygrothermal Effects in Concrete Structures by : Zdeněk P. Bažant
Download or read book Creep and Hygrothermal Effects in Concrete Structures written by Zdeněk P. Bažant and published by Springer. This book was released on 2018-01-17 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Designing for Effects of Creep, Shrinkage, Temperature in Concrete Structures by :
Download or read book Designing for Effects of Creep, Shrinkage, Temperature in Concrete Structures written by and published by . This book was released on 1971 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiaxial Creep in Concrete by : James E. McDonald
Download or read book Multiaxial Creep in Concrete written by James E. McDonald and published by . This book was released on 1973 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the investigation upon which this paper was based was to develop information regarding the time-dependent deformation (creep) behavior of concrete in the presence of varying temperature, moisture, and loading conditions similar to those encountered in a prestressed concrete reactor vessel (PCRV). This particular investigation was concerned with one concrete strength, three aggregate types, one cement, two moisture conditions, two testing temperatures, and four loading conditions. A comprehensive evaluation of the effects of these factors on the behavior of concrete as determined in this investigation has not been completed. However, some of the general conclusions from a limited preliminary evaluation are presented. (Author).
Book Synopsis Creep and Shrinkage by : Hubert Rüsch
Download or read book Creep and Shrinkage written by Hubert Rüsch and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on Reinforced Concrete-Prestressed Concrete, Volume 2, Accounting for the Effects of Creep and Shrinkage on the Behavior of Structural Systems by Hubert Rusch and Dieter Jungwirth, which appeared in German in 1976. Even then, it was Hubert Rusch's fervent wish to have his thoughts on the deformations of concrete translated into English in order to reach a wider audience. His earlier efforts to contribute a study to the Series of Monographs of the Ameri can Institute had unfortunately not succeeded. Despite a serious illness, Hubert Rusch undertook, with his characteristic prudence and thoroughness, the preparatory work for the translation and related revision of his book. Unfortunately fate did not grant him the satisfaction of seeing his work completed. Hubert Rusch died on October 17, 1979. In writing this book, Hubert Rusch drew on his many years of devoted study of the creep problem. These investigations go back to 1934. His awareness of the plastic deformation of concrete under sustained load, which had been reported to him on the occasion of an American sojourn, led him to discover the causes of a major building collapse. At his urging, Professor A. Hummel published, in 1935, a critical survey of the test results then available on concrete creep.
Book Synopsis An Experimental Study of Multiaxial Creep in Concrete by : James E. McDonald
Download or read book An Experimental Study of Multiaxial Creep in Concrete written by James E. McDonald and published by . This book was released on 1970 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this continuing investigation is to develop information regarding the time-dependent deformation behavior of concrete in the presence of varying temperature, moisture, and loading conditions similar to those encountered in a prestressed concrete reactor vessel (PCRV). This particlular investigation is concerned with one concrete strength, three aggregate types, one cement, two moisture conditions, two testing temperatures, and four loading conditions. Results, to date, of tests on the creep of concrete subjected to this variety of conditions are presented and summarized generally. A comprehensive evaluation of the effects of these conditions will be published upon completion of the investigation. (Author).
Book Synopsis Fire Safety Engineering Design of Structures, Third Edition by : John A. Purkiss
Download or read book Fire Safety Engineering Design of Structures, Third Edition written by John A. Purkiss and published by CRC Press. This book was released on 2013-12-05 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designing structures to withstand the effects of fire is challenging, and requires a series of complex design decisions. This third edition of Fire Safety Engineering Design of Structures provides practising fire safety engineers with the tools to design structures to withstand fires. This text details standard industry design decisions, and offers expert design advice, with relevant historical data. It includes extensive data on materials’ behaviour and modeling -- concrete, steel, composite steel-concrete, timber, masonry, and aluminium. While weighted to the fire sections of the Eurocodes, this book also includes historical data to allow older structures to be assessed. It extensively covers fire damage investigation, and includes as far back as possible, the background to code methods to enable the engineer to better understand why certain procedures are adopted. What’s new in the Third Edition? An overview in the first chapter explains the types of design decisions required for optimum fire performance of a structure, and demonstrates the effect of temperature rise on structural performance of structural elements. It extends the sections on less common engineering materials. The section on computer modelling now includes material on coupled heat and mass transfer, enabling a better understanding of the phenomenon of spalling in concrete. It includes a series of worked examples, and provides an extensive reference section. Readers require a working knowledge of structural mechanics and methods of structural design at ambient conditions, and are helped by some understanding of thermodynamics of heat transfer. This book serves as a resource for engineers working in the field of fire safety, consultants who regularly carry out full fire safety design for structure, and researchers seeking background information. Dr John Purkiss is a chartered civil and structural engineer/consultant and former lecturer in structural engineering at Aston University, UK. Dr Long-Yuan Li is Professor of Structural Engineering at Plymouth University, UK, and a Fellow of the Institution of Structural Engineers.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1979 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures, Two Volume Set by : Tada-aki Tanabe
Download or read book Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures, Two Volume Set written by Tada-aki Tanabe and published by CRC Press. This book was released on 2008-09-01 with total page 1552 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Creep and Shrinkage in Concrete Structures by : Z. P. Bažant
Download or read book Creep and Shrinkage in Concrete Structures written by Z. P. Bažant and published by John Wiley & Sons. This book was released on 1982 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamental Research on Creep and Shrinkage of Concrete by : F.H. Wittmann
Download or read book Fundamental Research on Creep and Shrinkage of Concrete written by F.H. Wittmann and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Creep of Concrete: Plain, Reinforced, and Prestressed by : Adam M. Neville
Download or read book Creep of Concrete: Plain, Reinforced, and Prestressed written by Adam M. Neville and published by North-Holland. This book was released on 1970 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of elevated temperatures up to 100 °C on the mechanical properties of concrete by : Acosta Urrea, Fernando
Download or read book Influence of elevated temperatures up to 100 °C on the mechanical properties of concrete written by Acosta Urrea, Fernando and published by KIT Scientific Publishing. This book was released on 2018-08-03 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments to characterize the effects of moisture content and temperature on the mechanical properties of concrete were conducted. Based on these experiments, a new overall material model capable of predicting the mechanical behaviour of concrete subject to elevated temperatures up to 100 °C was developed. The material model estimates the time, temperature and moisture dependency of the compressive and tensile strength, creep and shrinkage of concrete.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the American Concrete Institute by : American Concrete Institute
Download or read book Journal of the American Concrete Institute written by American Concrete Institute and published by . This book was released on 1978 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
