Performance Related Parameters Of Elastomeric Bearings
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Performance Related Parameters Of Elastomeric Bearings
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Author : Alok Kumar
language : en
Publisher:
Release Date : 2000
Performance Related Parameters Of Elastomeric Bearings written by Alok Kumar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Elastomers categories.
Elastomeric Bridge Bearings
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Author : J. A. Yura
language : en
Publisher:
Release Date : 2001
Elastomeric Bridge Bearings written by J. A. Yura and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Science categories.
An Experimental Study Of Elastomeric Bridge Bearings With Design Recommendations
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Author : Joseph Vincent Muscarella
language : en
Publisher:
Release Date : 1995
An Experimental Study Of Elastomeric Bridge Bearings With Design Recommendations written by Joseph Vincent Muscarella and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Bridges categories.
The purpose of this study was to analyze elastomeric bearing performance on the basis of elastomer hardness, shape factor, reinforcing shim orientation, degree of taper and compressive stress level with the goal of developing a simple design procedure which standardizes as many of those parameters as possible. Particular emphasis was placed on comparing the behavior of flat and tapered bearings. Experimentation included shear, compressive, and rotational stiffness tests, shear and compression fatigue loading, long-term compressive loading, and tests to determine compressive stress limits.
Elastomeric Bearings Design Construction And Materials
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Author :
language : en
Publisher:
Release Date : 1964
Elastomeric Bearings Design Construction And Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Bridges categories.
Elastomeric Bearing Research
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Author : John C. Minor
language : en
Publisher: Highway Research Board
Release Date : 1970-01-01
Elastomeric Bearing Research written by John C. Minor and has been published by Highway Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970-01-01 with Bridges categories.
The design and development of elastomeric bridge bearings has been almost entirely empirical, and many conflicts exist regarding current specifications and practices. An effort was made to define and separate those parameters that significantly affect the behavior and performance of elastomeric bridge bearings, toward the end of improving current designs and establishing design criteria. The research included a survey of the literature and available test data, an evaluation (testing) program, and the analysis of data generated.
Analysis Of Elastomeric Bridge Bearings
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Author : Osama Hamzeh
language : en
Publisher:
Release Date : 1995
Analysis Of Elastomeric Bridge Bearings written by Osama Hamzeh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Bridges categories.
A two-dimensional nonlinear p-version finite element method is developed for the analysis of boundary value problems relevant to elastomeric bridge bearings. The method incorporates polynomial shape functions of the hierarchic type for the modeling of large-deformations rubber elasticity. In addition, a frictional-contact algorithm based on a penalty formulation and suitable for the interaction of the pad with rigid flat surfaces is derived and implemented. The J sub 2 flow theory with isotropic hardening is utilized to model the reinforcing steel as a bilinear elastoplastic material. Examples are presented to illustrate the performance of the element and some guidelines for the selection of appropriate orders of interpolation and integration rules. The results of a study performed to examine the effects of several design parameters of the bearing are presented. Comparisons with experimental findings are shown. A dynamic lumped model for the walking of the bearing is developed. Viscous frictional interfaces with the girder and the abutment are included. Several cases are analyzed to investigate the factors that affect this phenomenon.
Performance Of Elastomeric Bearings
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Author : Charles W. Roeder
language : en
Publisher: Transportation Research Board National Research
Release Date : 1987
Performance Of Elastomeric Bearings written by Charles W. Roeder and has been published by Transportation Research Board National Research this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
Expanding The Use Of Elastomeric Bearings For Higher Demand Applications
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Author : Konstantinos Victor Belivanis
language : en
Publisher:
Release Date : 2017
Expanding The Use Of Elastomeric Bearings For Higher Demand Applications written by Konstantinos Victor Belivanis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Elastomeric bearings have been widely used in short-span bridge systems as they provide a reliable and cost-effective means of accommodating translations compared to the pot bearing alternatives. However, in higher demand applications pot and disk bearings are commonly used to accommodate significant forces and rotations and complex bridge movements from both thermal loads and daily truck traffic. Although elastomeric bearings have been designed for and utilized in twin steel trapezoidal box girder systems in Texas, classifying as higher demand applications, the lack of experimental and numerical research on such bearings, as well as some occasions of poor performance, dictate the need of further investigating their design requirements and performance. The research presented in this dissertation is part of a broader research project including material-level studies, field monitoring of bridge bearings, large-scale experimental testing, and finite element simulations. This dissertation focuses on the large-scale experimental testing and investigates the effect of several parameters on the compression and shear stiffness of elastomeric bearings. Specifically, bearing tests demonstrated the poor prediction ability current AASHTO axial stiffness prediction equations as well as a shear stiffness dependence on the level of axial load and, in some cases, on the shearing direction of the bearing. However, it was shown that both AASHTO Method A and B produce safe elastomeric bearing designs. The finite element studies demonstrated that shim misalignment and cover friction can cause a reduction in the axial stiffness of an elastomeric bearing. In addition, an extensive finite element parametric study was performed to show variations in elastomeric bearings shear stiffness with different axial loads and shearing directions with a wide range of aspect ratios and height to width ratios.
Rotation Limits For Elastomeric Bearings
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Author : National Cooperative Highway Research Program
language : en
Publisher: Transportation Research Board
Release Date : 2008
Rotation Limits For Elastomeric Bearings written by National Cooperative Highway Research Program and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Bridges categories.
At head of title: National Cooperative Highway Research Program.
Performance Of Elastomeric Bearings
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Author :
language : en
Publisher:
Release Date : 1987
Performance Of Elastomeric Bearings written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.