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Author: Paulo Magalhaes Castro Publisher: ISBN: Category : Concrete Languages : en Pages : 146
Book Description
The behavior of a model of high-strength concrete consisting of nine coarse aggregate circular inclusions in a square mortar matrix is studied under biaxial compressive loads. Constitutive equations are developed following the theory of plasticity in order to describe the behavior of mortar in biaxial compression. The bond between mortar and aggregates is simulated by an interface element. A comparison of analytical and experimental results shows good agreement. (Author).
Author: Paulo Magalhaes Castro Publisher: ISBN: Category : Concrete Languages : en Pages : 146
Book Description
The behavior of a model of high-strength concrete consisting of nine coarse aggregate circular inclusions in a square mortar matrix is studied under biaxial compressive loads. Constitutive equations are developed following the theory of plasticity in order to describe the behavior of mortar in biaxial compression. The bond between mortar and aggregates is simulated by an interface element. A comparison of analytical and experimental results shows good agreement. (Author).
Author: Jon Charles Herrin Publisher: ISBN: Category : Concrete Languages : en Pages : 164
Book Description
The main purpose of the research project reported herein was to determine the stress-strain behavior, ultimate strength, and failure mechanism of high-strength concrete subjected to biaxial compression. Model concrete plate specimens, composed of nine aggregate discs embedded in a mortar matrix, were used. Three different strength and elastic properties were used in order to determine the effects of material properties on the behavior of high-strength concrete subjected to biaxial compression. The plate specimens were tested using four biaxial stress ratios: 0 (uniaxial), 02, 0.5, and 1.0. Deformations in both the major and minor principal directions were measured using Direct Current Differential Transducers. Stress-Strain characteristics, discontinuity, ultimate strength and failure modes in biaxial compression as a function of materials properties are discussed.
Author: fib Fédération internationale du béton Publisher: fib Fédération internationale du béton ISBN: 2883940827 Category : Technology & Engineering Languages : en Pages : 134
Book Description
High Strength/High Performance Concrete (HSC/HPC) continues to be the object of particular interest and extensive research, and its use in construction is increasing continuously. fib Bulletin 42 summarises the available information on the material behaviour of HSC/HPC, and develops a set of code-type constitutive relations as an extension of CEB-FIP Model Code 1990. Literature on experimental data and international guidelines, standards and recommendations were reviewed, and already-existing constitutive relations and models were evaluated. In addition to a number of material laws chosen and adjusted for this report, some new constitutive relations were developed based on the collected data. The criteria for the choice of the existing relations as well as the development of the new constitutive relations involved their simplicity and operationality (code-type mathematical formulations). Furthermore, they had to be physically sound and if possible describe the behaviour of both high-performance and normal strength concretes by a unique relation. Finally, compliance with the specifications given in the CEB-FIP Model Code 1990 was examined. This State-of-art report is intended for engineers and represents a summary of the relevant knowledge available to and possessed by the members of the Task Group at the time of its drafting.
Author: Wade H. Shafer Publisher: Springer Science & Business Media ISBN: 1468449192 Category : Science Languages : en Pages : 314
Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 28 (thesis year 1 983) a total of 10,661 theses titles from 26 Canadian and 197 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 28 reports theses submitted in-1983, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author: Paulo Magalhaes Castro
Author: Paulo Magalhaes Castro
Author: Amgad Ahmed Hussein
Author: Jon Charles Herrin
Author: 
Author: Robert Louie Chen
Author: Tony C. Liu
Author: Oral Buyukozturk
Author: fib Fédération internationale du béton
Author: Yasar Atan
Author: Wade H. Shafer