Rotation Limits for Elastomeric Bearings PDF Download
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Author: National Cooperative Highway Research Program
Publisher: Transportation Research Board
ISBN: 0309099188
Category : Bridges
Languages : en
Pages : 65
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Book Description
At head of title: National Cooperative Highway Research Program.
Author: National Cooperative Highway Research Program
Publisher: Transportation Research Board
ISBN: 0309099188
Category : Bridges
Languages : en
Pages : 65
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Book Description
At head of title: National Cooperative Highway Research Program.
Author: Hans H. Lund
Publisher:
ISBN:
Category : Rubber bearings
Languages : en
Pages : 488
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Book Description
Author: John F. Stanton
Publisher: Transportation Research Board
ISBN: 9780309066143
Category : Technology & Engineering
Languages : en
Pages : 416
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Book Description
Author: J. A. Yura
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 132
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Book Description
Author: Nabin Krishna Shiwakoti
Publisher:
ISBN:
Category : Brdiges
Languages : en
Pages : 0
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Book Description
This thesis primarily predicts the compressive and rotational stiffness of the elastomeric bearing and exams the behavior of elastomeric bearing under compression, rotation, and combination of shear, compression, and rotational loading. The primary purpose of an elastomeric bearing is to distribute the superstructure loads to the substructure. The elastomers used in the elastomeric bearings undergo deformation to allow necessary movement and rotation of the superstructure. Thus, abstract analysis of the behavior of the elastomeric bearing is required. With that end in view, three-dimensional finite element models are developed using the software Abaqus and the results from the finite element analysis are validated with the experimental data from previous literature. The validated finite element models are used for the calculation of compressive and rotational stiffness of the elastomeric bearings and comparisons are made with the analytical closed-form solutions and current code provision (AASHTO, 2017). Moreover, the bearings are subjected to compression, rotation, and a combination of shear, compression, and rotational loading for the prediction of deformed shape, compressive stress, shear stresses, and shear strains.
Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 100
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Book Description
Author: Douglas K. Nims
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 346
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Book Description
This report presents the results of tests and analyses performed on elastomeric bridge bearings. The focus of this research was the measurement of bearing deformations in the field and assessment of the feasibility of using instrumented elastomeric bearings to monitor bridge condition. The bearing deformations were successful measured in the field during the deck concrete pour and a static truck test. Shear, compression, rotation, and fatigue tests have been carried out in the laboratory and at the manufacturer's facility. Full scale bearings (shape factor 11) were tested at the manufacturer and installed in the field. Model bearings (shape factor 11 and one-quarter the plan area of the full scale bearings) were tested at the manufacturer and in the laboratory. Test bearings (shape factors 5,7, and 10) were tested in the laboratory. The bearing material was 50 Durometer neoprene. The analyses support the testing and considered the bridge-bearing system. The stiffnesses of the bearings are explicitly included in the analyses. A singular characteristic of this experimental research is the focus on the in-service behavior of the bearings.
Author: Joseph Vincent Muscarella
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 198
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Book Description
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.
Author: Charles W. Roeder
Publisher: Transportation Research Board National Research
ISBN:
Category : Science
Languages : en
Pages : 112
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Book Description
Author: Farzad Naeim
Publisher: John Wiley & Sons
ISBN: 9780471149217
Category : Technology & Engineering
Languages : en
Pages : 308
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Book Description
Um die Auswirkungen von Erdbeben auf Gebäude, Brücken und andere empfindliche Konstruktionen zu mildern, wurden im Laufe der Jahre zahlreiche Technologien entwickelt. Eine der neueren hiervon ist die seismische Isolation: Sie beinhaltet den Einbau von Mechanismen, die das Gebäude von den Bewegungen des Untergrunds entkoppeln. Der Erfolg dieser Technik übertrifft den aller vorher bekannten Verfahren - ein Grund für Ingenieure und Architekten, sich genauer zu informieren. Dazu sei dieses Buch empfohlen. (04/99)
