Three-dimensional Nonlinear Finite Element Analysis of Continuously Reinforced Concrete Pavements PDF Download
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Author: Seong-Min Kim
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 80
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Book Description
Author: Seong-Min Kim
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 80
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Book Description
Author: Chen-Ming Kuo
Publisher:
ISBN:
Category :
Languages : en
Pages : 346
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Book Description
A three-dimensional (3-D) finite element model for concrete pavements, called 3DPAVE, was developed in this study in order to analyze accurately the many complex and interacting factors which influence the support provided to a concrete pavement. Pavement support and finite element models for pavements were first briefly reviewed. Based on the review, the ABAQUS general-purpose finite element software was used to develop a powerful and versatile 3-D model to overcome many of the inherent limitations of 2-D finite element models. A careful analysis of ABAQUS' many element types, features and options was conducted to select the components which would produce a robust and efficient model. The 3DPAVE consistently outperformed the 2-D model in accuracy over wide ranges of inputs for a variety of problems during its development. 3DPAVE was validated by comparison with measured deflection, stress, and strain data for traffic loading and temperature variation from AASHO Road Test, the Arlington Road Test, and the Portland Cement Association's slab experiments. In every comparison with measured field data, 3DPAVE's calculated responses were found to be in very good agreement with the measured responses. Applications of 3DPAVE were made to explore many complicated effects and interactions in concrete pavements, including foundation support; base thickness, stiffness, and interface bond/friction; slab curling and warping due to temperature and moisture gradients; dowel and aggregate interlock load transfer action at joints; and improved support with a widened lane, widened base, or tied concrete shoulder.
Author: Chen-Ming Kuo
Publisher:
ISBN:
Category :
Languages : en
Pages : 35
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: John B. Palmerton
Publisher:
ISBN:
Category : Finite element method
Languages : en
Pages : 44
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Author: Husain Mohammad
Publisher: LAP Lambert Academic Publishing
ISBN: 9783846528938
Category :
Languages : en
Pages : 96
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Book Description
This study deals with structural behavior of reinforced concrete pipes under various loading and support conditions by using nonlinear three-dimensional isoparametric 20-node brick elements. the computer program of three dimensional nonlinear finite element analysis of reinforced concrete structures, written by Al- Shaarbaf is utilized. The behavior of concrete is investigated by using twenty-node brick elements. The reinforcement bars are idealized as axial members embedded within the brick elements with perfect bond between the concrete and the steel curved bars in a brick element were approximated by straight bars parallel to the main coordinate axes. The behavior of concrete in compression is simulated by an (Elastic- Plastic Work Hardening Model) followed by a perfect plastic response, which is terminated at the onest of crushing. In tension, a smeared crack model with fixed orthogonal cracks has been used with the inclusion of models for the retained post-cracking tensile stress and reduced shear transfer modulus. Loading of the pipes and support conditions were properly considered according to the characteristics of the problem.
Author: Yoav Sarne
Publisher:
ISBN:
Category : Prestressed concrete construction
Languages : en
Pages : 576
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Author: Ihsan Ali Saib Al-Shaarbaf
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Jiwon Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 442
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Author: Guenter Axel Rombach
Publisher: Thomas Telford
ISBN: 9780727732743
Category : Architecture
Languages : en
Pages : 302
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Book Description
In Finite Element Design of Concrete Structures: practical problems and their solutions the author addresses this blind belief in computer results by offering a useful critique that important details are overlooked due to the flood of information from the output of computer calculations. Indeed, errors in the numerical model may lead in extreme cases to structural failures as the collapse of the so-called Sleipner platform has demonstrated.
