Computational Modeling of Progressive Collapse in Reinforced Concrete Frame Structures PDF Download
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Author: Mohamed M. Talaat
Publisher:
ISBN:
Category : Reinforced concrete construction
Languages : en
Pages : 746
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Author: Mohamed M. Talaat
Publisher:
ISBN:
Category : Reinforced concrete construction
Languages : en
Pages : 746
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Book Description
Author: Brett Alexander Betit
Publisher:
ISBN:
Category : Building failures
Languages : en
Pages : 0
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Book Description
The progressive collapse of a structure is of critical concern to structural design engineers as the progressive collapse can lead to tragic loss of life. Due to this major threat posed by progressive collapse, building design and analysis has pivoted to account for the prevention of progressive collapse as a structural design requirement. Years of research has already been undertaken to better understand progressive collapse in order to improve building structural design as well as develop new modeling techniques to evaluate existing structures for their progressive collapse potential. These computer models and analysis techniques still require data from field experiments in order to verify their effectiveness at evaluating progressive collapse potential. The goal of this research was to provide structural engineers with a better understanding of the progressive collapse behavior of buildings in order to refine the guidelines and approach to the design of new structures as well as the evaluation of existing structures for their progressive collapse potential. In this research both field experimentation and computer modeling for progressive collapse were conducted. The building tested was a reinforced concrete parking garage, North Cannon Parking Garage, located on The Ohio State University Medical Campus in Columbus, Ohio. The structure was tested by removing two load bearing columns. One removed column was supporting the roof helipad. The other removed column was in the fifth story directly below the first removed column location. During the column’s removal, changes in the strains of the columns adjacent to the column removed were measured as well as building vibrations in the area surrounding the column during its removal.
Author: Nenad Bicanic
Publisher: CRC Press
ISBN: 1138001457
Category : Technology & Engineering
Languages : en
Pages : 1108
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Book Description
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: Li Shan
Publisher:
ISBN: 9780355462258
Category :
Languages : en
Pages :
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Book Description
This research effort was motivated by the need for additional insight into the mechanics of progressive collapse of reinforced concrete frame buildings resulting from the sudden loss of one or more columns on the lowest story level. Although several studies have investigated disproportionate collapse both experimentally and numerically, there is still a general lack of information not only on modeling and analyses procedures but also on system characteristics such as building height and initiation and sequence of column loss that impact the ability of RC buildings to resist progressive collapse. Nonlinear simulation models of three, six and ten-story reinforced concrete frame buildings using the software platform LS-DYNA (Hallquist 2007) were developed using a reduced-order modeling scheme: line elements with cross-section discretization were employed for beams and columns whereas layered shell elements with smeared reinforcement were used for slabs, and the effectiveness of the modeling was validated with large-scale experimental data. The simulations examined the influence of story height in resisting progressive collapse and the effect of the sequence of column losses in accelerating progressive collapse. Two specific scenarios were considered: column losses that are initiated with the loss of a corner column and in the middle of the building plan at the lowest level of the building. Finally, a methodology based on energy and deformation measures is developed that provides an indirect assessment of structural robustness and can be used to compare the relative robustness of different buildings. Findings from the study indicate that the loss of a corner column on the lowest floor of a reinforced concrete frame building poses a greater threat to progressive collapse than a column loss in the middle of the building. Taller buildings possess greater resilience to progressive collapse than buildings with fewer stories for the same arrangement of vertical elements in the building plan. The vertical drift angle and the change in the axial stress ratio in a column adjacent to a removed column are found to be effective indicators of structural resilience to progressive collapse. This research also provided a basis for comparing the relative robustness of buildings subjected to column losses on the lowest floor. Consequently, findings from the study provide engineers an insight into improving the robustness of a building to resist progressive collapse.
Author: Choi-Keung Chau
Publisher:
ISBN:
Category :
Languages : en
Pages : 160
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Book Description
Author: Sahar Mirhosseini
Publisher:
ISBN:
Category : Building failures
Languages : en
Pages : 220
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Book Description
During the last two decades, a significant number of embassies, commercial centers, governmental structures, industrial facilities, and residential buildings have been attacked by explosives. Consequently, blast-resistant design of structures has gained importance in recent years to minimize structural damage and threat to life safety. Some guidelines have been developed for this purpose, based on previously conducted research. The U.S. General Services Administration (GSA) report is one of these guidelines that provide practical solutions to blast-related engineering problems, including requirements for analysis and design for prevention of progressive collapse in structures. The guidelines also help establish the potentials for progressive collapse in existing buildings.
Author: Bo Yang
Publisher: Woodhead Publishing
ISBN: 0128222689
Category : Technology & Engineering
Languages : en
Pages : 390
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Book Description
Behaviour of Building Structures Subjected to Progressive Collapse gives in-depth and up-to-date quantitative and numerical analysis of building structures against progressive collapse. It does so at various levels, including bare steel joints, composite joints and sub-assemblages and frames under quasi-static loading conditions. The book provides analysis of the force transfer mechanisms of composite structures and reinforced concrete structures, along with detailed numerical models that shed light on the effects of critical parameters on progressive collapse resistances. It includes direct design methods that take into account various collapse-resisting mechanisms. The collapse of the World Trade Center in New York has spurred extensive experimental study and numerical analysis of the structural behavior of buildings under progressive collapse scenarios. Although design guidelines have been published by governments, most are missing up-to-date numerical and experimental results, quantitative accounts of force transfer mechanisms, and numerical guidelines. Offers in-depth analysis and numerical modeling for building structures against progressive collapse Provides analysis of the force-transfer mechanisms of composite and reinforced concrete structures Gives detailed numerical models that shed light on the effects of critical parameters on progressive resistances Includes direct design methods that take into account various collapse resisting mechanisms Offers a comprehensive reference for progressive collapse analysis and the design of building structures
Author: Yihai Bao
Publisher:
ISBN:
Category :
Languages : en
Pages : 344
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Book Description
Author: Elvira
Publisher:
ISBN:
Category : Building failures
Languages : en
Pages : 550
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Book Description
Author: Ernest Hinton
Publisher: Pine Ridge Press
ISBN:
Category : Finite element method
Languages : en
Pages : 408
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Book Description
