3 Dimensional Finite Element Modeling Of Beam To Column Flexible End Plate Composite Connections At Elevated Temperature PDF Download
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Author | : Prashob Prasad Pillay |
Publisher | : |
Total Pages | : 148 |
Release | : 2013 |
Genre | : Building, Iron and steel |
ISBN | : |
Download 3-dimensional Finite Element Modeling of Beam-to-column-flexible End-plate Composite Connections at Elevated Temperature Book in PDF, ePub and Kindle
Author | : Jerrell M. Thomas |
Publisher | : |
Total Pages | : 60 |
Release | : 1970 |
Genre | : Arches |
ISBN | : |
Download A Finite Element Approach to the Structural Instability of Beam Columns, Frames, and Arches Book in PDF, ePub and Kindle
Stiffness matrix for structural stability analyses on beam columns, frames, and arches.
Author | : Przemyslaw Litewka |
Publisher | : Springer Science & Business Media |
Total Pages | : 175 |
Release | : 2010-04-24 |
Genre | : Science |
ISBN | : 3642129404 |
Download Finite Element Analysis of Beam-to-Beam Contact Book in PDF, ePub and Kindle
Phenomena occurring during a contact of two bodies are encountered in everyday life. In reality almost every type of motion is related to frictional contact between a moving body and a ground. Moreover, modeling of simple and more complex processes as nailing, cutting, vacuum pressing, movement of machines and their elements, rolling or, finally, a numerical simulation of car crash tests, requires taking contact into account. Therefore, its analysis has been a subject of many research efforts for a long time now. However, it is author’s opinion that there are relatively few efforts related to contact between structural elements, like beams, plates or shells. The purpose of this work is to fill this gap. It concerns the beam-to-beam contact as a specific case of the 3D solids contact. A numerical formulation of frictional contact for beams with two shapes of cross-section is derived. Further, a couple of effective methods for modeling of smooth curves representing beam axes are presented. A part of the book is also devoted to analyze some aspects of thermo-electro-mechanical coupling in contact of thermal and electric conductors. Analyses in every chapter are illustrated with numerical examples showing the performance of derived contact finite elements.
Author | : Harpreet Singh Hansra |
Publisher | : |
Total Pages | : 182 |
Release | : 2012 |
Genre | : |
ISBN | : |
Download 3-D Finite Element Modeling of Reinforced Concrete Beam-column Connections Book in PDF, ePub and Kindle
This report, 3-D Finite Element Modeling of Reinforced Concrete Beam-Column Connections -- Development and Comparison to NCHRP 12-74, investigates the use of finite element modeling (FEM) to predict the structural response of the cast-in-place (CIP) reinforced concrete bent cap-column test specimen reported in NCHRP Report 681 -- Development of a Precast Bent Cap System for Seismic Regions. Analysis was performed using LS-DYNA as the finite element processor. The Karagozian & Case Damaged Concrete model, material MAT_072, was used as the constitutive model for all concrete elements and material MAT_003, a plastic kinematic model, was used as the constitutive model for the reinforcing steel. Strain-hardening effects of steel were neglected for this analysis. Boundary conditions on the FE model were identical to the vertical and horizontal restraints used on the CIP specimen during testing. The FE model only considered a monotonic push loading sequence, whereas the CIP specimen was subjected to reverse cyclic loading. To account for the difference in loading, the FE model results were compared to the hysteretic envelope from the CIP specimen. The lateral load-lateral displacement response of the FE model (Model 1) compared reasonably well to the actual and theoretically predicted response of the CIP specimen. For lateral displacements less than that corresponding to a displacement ductility of 4.1, the FE model showed a larger stiffness than the actual CIP response. The model stiffness degraded as a greater number of concrete elements in the column plastic hinging region accumulated damage. The degradation and lateral load-displacement response matched the predicted response within 5% for a displacement ductility larger than 2.0; however, the model degradation was not as severe as that observed for the CIP specimen. Concrete damage in the FE model correlated reasonably well with observed cracking and spalling of the CIP specimen. Significant damage was observed in the column of the FE model, near the joint, reflecting flexural cracking. Initial yielding of column longitudinal bars in the FE model occurred at a displacement ductility 26% larger than the CIP specimen. Based on contours of concrete damage and principal stress vectors, the primary shear crack formed diagonally through the joint of the FE model at a lateral load 6% higher than that of the CIP specimen. Joint rotation for the FE model was significantly less than that of the CIP specimen, approximately half of the specimen values. Conclusions include: 1) finite element modeling using appropriate constitutive models and element formulation can accurately capture the nonlinear behavior of reinforced concrete beam-column connections, including flexural cracking, joint shear cracking, steel reinforcement yielding and overall stress distribution; 2) element size for concrete and steel reinforcement significantly impacts the overall response and accuracy of results and therefore must be carefully selected for convergence; 3) the Karagozian & Case damaged concrete model, material MAT_072, can accurately capture the cracking of concrete using limited inputs (f 'c and aggregate size). Recommendations include: 1) additional analysis should be performed to appropriately incorporate a strain hardening model for the reinforcing steel; 2) strain distribution of the steel reinforcement in the joint (longitudinal reinforcement, joint hoops, and joint stirrups) should be further investigated as well as the hoop strain distribution in the column plastic hinge region; 3) a concrete constitutive model capable of reverse cyclic loading should be investigated; 4) a bar slip model for bond between the concrete and reinforcing steel should be investigated.
Author | : Hong Yong Lee |
Publisher | : |
Total Pages | : 151 |
Release | : 2009 |
Genre | : Finite element method |
ISBN | : |
Download Finite Element Analysis on Beam to Column Minor Axis Bolted End Plate Connection Book in PDF, ePub and Kindle
Author | : Stephen P. Wilkinson |
Publisher | : CRC Press |
Total Pages | : 290 |
Release | : 2015-10-07 |
Genre | : Nature |
ISBN | : 1315647133 |
Download Sustainable Buildings and Structures Book in PDF, ePub and Kindle
Sustainable Buildings and Structures collects the contributions presented at the 1st International Conference on Sustainable Buildings and Structures (Suzhou, China, 29 October-1 November 2016). The book aims to share thoughts and ideas on sustainable approaches to urban planning, engineering design and construction. The topics discussed include:-
Author | : Sewar F. Al Shawawreh |
Publisher | : |
Total Pages | : |
Release | : 2018 |
Genre | : Box girder bridges |
ISBN | : |
Download Three-dimensional Finite Element Modeling of Non-composite and Composite Adjacent Box Beam Bridges Book in PDF, ePub and Kindle
Author | : Laura N. Lowes |
Publisher | : |
Total Pages | : 362 |
Release | : 1999 |
Genre | : |
ISBN | : |
Download Finite Element Modeling of Reinforced Concrete Beam-column Bridge Connections Book in PDF, ePub and Kindle
Author | : Jyie Yiee Wong |
Publisher | : |
Total Pages | : 57 |
Release | : 2007 |
Genre | : Columns |
ISBN | : |
Download Finite Element Analysis of Flush End Plate Beam-to-column Bolted Steel Connection on Minor Axis Using Lusas Software Book in PDF, ePub and Kindle
Author | : Colin A. Lee |
Publisher | : |
Total Pages | : 131 |
Release | : 1987 |
Genre | : |
ISBN | : |
Download Finite Element Analysis of Structural Steel Beam-column End Plate Connections Book in PDF, ePub and Kindle