Modelling of Reinforced Concrete Members for Seismic-response Analysis PDF Download
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Author: Said Adib Kaba
Publisher:
ISBN:
Category :
Languages : en
Pages : 412
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Book Description
Author: Said Adib Kaba
Publisher:
ISBN:
Category :
Languages : en
Pages : 412
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Book Description
Author: Said A. Kaba
Publisher:
ISBN:
Category : Columns, Concrete
Languages : en
Pages : 118
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Book Description
Author: Christian Meyer
Publisher: Springer
ISBN: 3709125243
Category : Technology & Engineering
Languages : en
Pages : 257
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Book Description
A comprehensive review of the material behavior of concrete under dynamic loads, especially impact and impuls, opens the volume. It is followed by a summary of the various analytical tools available to engineers interested in analyzing the nonlinear behavior of reinforced concrete members for dynamic load. These range from relatively simple and practice-oriented push-over analysis to sophisticated layered finite element models. Important design-related topics are discussed, with special emphasis on performance of concrete frames subjected to seismic loads. The significance of modern software systems is recognized by including extensive examples. For readers not current in dynamic analysis methods, an appendix contains a review of the mathematical methods most commonly used for such analysis.
Author: P. Fajfar
Publisher: CRC Press
ISBN: 1851667644
Category : Architecture
Languages : en
Pages : 318
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Book Description
Forty scientists working in 13 different countries detail in this work the most recent advances in seismic design and performance assessment of reinforced concrete buildings. It is a valuable contribution in the mitigation of natural disasters.
Author: Mehdi Saiidi
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 214
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Book Description
Author: Michael W. Hopper
Publisher:
ISBN:
Category :
Languages : en
Pages : 117
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Book Description
This thesis aims to identify the optimal combination of hysteresis-modeling and damping parameters implemented in nonlinear dynamic analysis to obtain satisfactory correlation between calculated and measured seismic response of reinforced concrete frames. A total of five parameters are included in this investigation: initial stiffness, bond-slip rotations, post-yield stiffness, unloading stiffness, and viscous damping. These parameters directly influence the seismic response of individual frame members. In this study, frame elements are modeled using lumped plasticity by means of an elastic middle portion bounded by nonlinear springs that connect each end of the member to a rigid segment representing the beam-column joints. Three small-scale shake-table multistory test structures and two orthogonal structural systems from an existing seven-story building with recorded seismic responses are used in this study. Each test structure was analyzed using three computer programs for two separate base accelerations and the analytical responses were compared to the measured responses using the Frequency Domain Error (FDE) index. The existing building was analyzed for a single recorded seismic event. After analyzing each structure with all possible combinations of modeling parameters, the optimal combinations of parameters leading to the best correlations between the calculated and measured response were identified. Simplified rules are given to derive the modeling parameters that give consistent low values of FDE for the various structures and structural analysis programs considered.
Author: FIB – International Federation for Structural Concrete
Publisher: FIB - International Federation for Structural Concrete
ISBN: 2883940231
Category : Technology & Engineering
Languages : en
Pages : 384
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Book Description
Author: Rodolfo Alvarez Sanchez
Publisher:
ISBN:
Category :
Languages : en
Pages : 228
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Book Description
Reinforced concrete structural walls are frequently used as a lateral load resisting system in buildings. In some buildings affected by relatively recent seismic events, the response of the structural walls, traditionally labeled as excellent, has been somewhat unexpected and deserves attention.This dissertation focuses on enhanced numerical methodologies for the verification of the seismic response, including softening, of reinforced concrete structural wall systems. First, a Truss Model for reinforced concrete coupled structural walls is developed. Bar bond-slip, dowel action, and confining effect of the foundation are considered. Two cyclic tests, on scaled seven-story coupled walls (from literature), are used for validation. It is shown that the compressed wall piers resist most of the base shear force and that the coupling beams at lower levels develop the largest shear forces. Second, using the same benchmark test specimens, two models for the nonlinear cyclic analysis of reinforced concrete coupled walls are developed, i.e., Modified Beam-Truss Model and Enhanced Beam-Truss Model. The role of the strain penetration in diagonally reinforced coupling beams on the hysteretic energy dissipated is studied. It is verified that the computational-efficient proposed models predict well the overall response and the sliding shear failures of coupling beams. Third, the Beam-Truss Model developed in a previous study for the nonlinear cyclic analysis of reinforced concrete components is extended to compute out-of-plane buckling in structural walls. The novel Beam-Truss Model computes accurately the force-displacement responses and the buckling behavior of three test specimens reported in literature used for validation. Finally, the Beam-Truss Model is enhanced to compute the out-of-plane nonlinear shear response of wall piers in the analysis of Core-Wall-Building systems. Using the proposed model and pushover analyses, a comprehensive study on a 14-story archetype Core-Wall building is carried out. It is shown that the in-plane shear response has a large influence on the lateral strength and displacement capacity, whereas the out-of-plane shear response mainly influences the displacement capacity.
Author: Michael N. Fardis
Publisher: Springer Science & Business Media
ISBN: 1402098421
Category : Technology & Engineering
Languages : en
Pages : 757
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Book Description
Reflecting the historic first European seismic code, this professional book focuses on seismic design, assessment and retrofitting of concrete buildings, with thorough reference to, and application of, EN-Eurocode 8. Following the publication of EN-Eurocode 8 in 2004-05, 30 countries are now introducing this European standard for seismic design, for application in parallel with existing national standards (till March 2010) and exclusively after that. Eurocode 8 is also expected to influence standards in countries outside Europe, or at the least, to be applied there for important facilities. Owing to the increasing awareness of the threat posed by existing buildings substandard and deficient buildings and the lack of national or international standards for assessment and retrofitting, its impact in that field is expected to be major. Written by the lead person in the development of the EN-Eurocode 8, the present handbook explains the principles and rationale of seismic design according to modern codes and provides thorough guidance for the conceptual seismic design of concrete buildings and their foundations. It examines the experimental behaviour of concrete members under cyclic loading and modelling for design and analysis purposes; it develops the essentials of linear or nonlinear seismic analysis for the purposes of design, assessment and retrofitting (especially using Eurocode 8); and gives detailed guidance for modelling concrete buildings at the member and at the system level. Moreover, readers gain access to overviews of provisions of Eurocode 8, plus an understanding for them on the basis of the simple models of the element behaviour presented in the book. Also examined are the modern trends in performance- and displacement-based seismic assessment of existing buildings, comparing the relevant provisions of Eurocode 8 with those of new US prestandards, and details of the most common and popular seismic retrofitting techniques for concrete buildings and guidance for retrofitting strategies at the system level. Comprehensive walk-through examples of detailed design elucidate the application of Eurocode 8 to common situations in practical design. Examples and case studies of seismic assessment and retrofitting of a few real buildings are also presented. From the reviews: "This is a massive book that has no equal in the published literature, as far as the reviewer knows. It is dense and comprehensive and leaves nothing to chance. It is certainly taxing on the reader and the potential user, but without it, use of Eurocode 8 will be that much more difficult. In short, this is a must-read book for researchers and practitioners in Europe, and of use to readers outside of Europe too. This book will remain an indispensable backup to Eurocode 8 and its existing Designers’ Guide to EN 1998-1 and EN 1998-5 (published in 2005), for many years to come. Congratulations to the author for a very well planned scope and contents, and for a flawless execution of the plan". AMR S. ELNASHAI "The book is an impressive source of information to understand the response of reinforced concrete buildings under seismic loads with the ultimate goal of presenting and explaining the state of the art of seismic design. Underlying the contents of the book is the in-depth knowledge of the author in this field and in particular his extremely important contribution to the development of the European Design Standard EN 1998 - Eurocode 8: Design of structures for earthquake resistance. However, although Eurocode 8 is at the core of the book, many comparisons are made to other design practices, namely from the US and from Japan, thus enriching the contents and interest of the book". EDUARDO C. CARVALHO
Author: P. Fajfar
Publisher: CRC Press
ISBN: 1482296667
Category : Architecture
Languages : en
Pages : 316
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Book Description
Forty scientists working in 13 different countries detail in this work the most recent advances in seismic design and performance assessment of reinforced concrete buildings. It is a valuable contribution in the mitigation of natural disasters.
