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Download or read book Load Distribution in Curved Composite Concrete Deck-steel Multiple-spine Box Girder Bridges written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Magdy Said Samaan
Publisher :
ISBN 13 :
Total Pages : 908 pages
Book Rating : 4.:/5 (18 download)
Download or read book Dynamic and Static Analyses of Continuous Curved Composite Multiple-box Girder Bridges written by Magdy Said Samaan and published by . This book was released on 2004 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Zingoni
Publisher : Elsevier
ISBN 13 : 0080541925
Total Pages : 1704 pages
Book Rating : 4.0/5 (85 download)
Download or read book Structural Engineering, Mechanics and Computation written by A. Zingoni and published by Elsevier. This book was released on 2001-03-16 with total page 1704 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following on from the International Conference on Structural Engineering, Mechanics and Computation, held in Cape Town in April 2001, this book contains the Proceedings, in two volumes. There are over 170 papers written by Authors from around 40 countries worldwide. The contributions include 6 Keynote Papers and 12 Special Invited Papers. In line with the aims of the SEMC 2001 International Conference, and as may be seen from the List of Contents, the papers cover a wide range of topics under a variety of themes. There is a healthy balance between papers of a theoretical nature, concerned with various aspects of structural mechanics and computational issues, and those of a more practical nature, addressing issues of design, safety and construction. As the contributions in these Proceedings show, new and more efficient methods of structural analysis and numerical computation are being explored all the time, while exciting structural materials such as glass have recently come onto the scene. Research interest in the repair and rehabilitation of existing infrastructure continues to grow, particularly in Europe and North America, while the challenges to protect human life and property against the effects of fire, earthquakes and other hazards are being addressed through the development of more appropriate design methods for buildings, bridges and other engineering structures.
Author : Khaled Mohie Eldin Sennah
Publisher :
ISBN 13 :
Total Pages : 926 pages
Book Rating : 4.:/5 (486 download)
Download or read book Load Distribution and Dynamic Characteristics of Curved Composite Concrete Deck-steel Cellular Bridges written by Khaled Mohie Eldin Sennah and published by . This book was released on 1998 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Seyed Jalaleddin Fatemi
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (953 download)
Download or read book Load Distribution Factors of Straight and Curved Steel Concrete Composite Box and I Girder Bridges written by Seyed Jalaleddin Fatemi and published by . This book was released on 2016 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the present research, load distribution factors of steel-concrete composite bridges subjected to loads recommended by Australian Bridge Design Code are determined. The bridges can have straight or curved (in plan) alignments with box girder or I girder sectional configurations. The load distribution factors are quite useful in bridge design practice specifically at their preliminary design stage. These factors help a designer to quickly calculate the stress resultants (shear force or bending moment) acting on different girders of a bridge from those acting on the entire bridge section which can be estimated easily in the case of a statically determinant structure such as simply supported straight bridge treated as a beam. Unfortunately, the horizontally curved bridges are statically indeterminate even if they are idealized as a curved beam. In order to address this issue, a closed form analytical solution without having any major simplification is developed which can be conveniently used by a designer for calculating the stress resultants acting on the entire section of a curved bridge. The unit load method, a method extracted from Castigliano's second theorem, is used to derive the analytical solution. As bridge loads consist of a number of wheel loads, the use of influence line diagrams is quite common as they help to calculate the maximum values of any parameter such as bending moment conveniently. For this purpose, the analytical solution is used to obtain the influence line diagram of shear force, bending moment and torsion of curved bridges. A detailed finite element modelling of these bridge structures is used to calculate the load distribution factors. In order to have a reliable finite element model of these structural system, different types of element such as solid element, shell element and beam element are used in different combinations to find out the most suitable option that can accurately simulate the components of these bridge systems with reasonable computational efficiency. The performance of these finite element models is assessed using experimental results available in literature. These bridges can be characterized with different parameters and these parameters can vary in a wide range in real scenario. Thus there is a need for development of design formulae or charts for load distribution factors in terms of these parameters that can be readily used for designing any bridge. For this purpose, a large number of configurations of these bridges are generated by varying their different parameters and these bridges are analysed using the abovementioned finite element model. A large number of results obtained from these analyses are used to develop the design guidelines in the form of empirical expressions using multivariate regression analysis.
Author : J. M. Kulicki
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (1 download)
Download or read book Development of LRFD Specifications for Horizontally Curved Steel Girder Bridges written by J. M. Kulicki and published by Transportation Research Board National Research. This book was released on 2006 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains the findings of research performed to develop design specifications for horizontally curved steel girder bridges.
Author : Clifford Wagner Elling
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (1 download)
Download or read book Distribution of Girder Loads in a Composite Highway Bridge written by Clifford Wagner Elling and published by . This book was released on 1985 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shin-Tai Song
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.:/5 (63 download)
Download or read book Live Load Distribution in Multi-cell Box Girder Bridges and Its Comparison with the AASHTO LRFD Bridge Design Specifications written by Shin-Tai Song and published by . This book was released on 2001 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raymond E. Davis
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (834 download)
Download or read book Load Distribution in a Composite Steel Box Girder Bridge written by Raymond E. Davis and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cory E. Schultz
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (74 download)
Download or read book Live Load Distribution Factor Comparison for a Curved Steel Box Girder Bridge written by Cory E. Schultz and published by . This book was released on 2010 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.F/5 ( download)
Download or read book Canadian Journal of Civil Engineering written by and published by . This book was released on 2002 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (1 download)
Download or read book Composite Action During Construction of Steel Trapezoidal Box Girder Bridges written by and published by . This book was released on 2005 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: In steel trapezoidal box girder bridge systems, the U-shaped steel girder is designed to act compositely with the concrete deck to form a closed box for live loading. During the construction stage, however, the behavior is not well understood. The usual practice of assuming the system to be non-composite during construction requires substantial top flange bracing to form a quasi-closed box section. Composite box girders with live loading, and girders during construction, have to be evaluated during the design of curved steel trapezoidal box girder bridges. Considering both cases, the design for construction loading is the least understood and is the most important. Stresses due to construction loading can reach up to 60-70 percent of the total design stress for a given cross section. A three-phase study was undertaken to investigate the behavior of curved trapezoidal box girders during construction.
Author : Anthony Ralph Cusens
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (89 download)
Download or read book Load Distribution in Concrete Bridge Decks written by Anthony Ralph Cusens and published by . This book was released on 1974 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hani Melhem
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.3/5 (555 download)
Download or read book Concrete Dead Load Deflections of Continuous Steel Girder Composite Bridges written by Hani Melhem and published by . This book was released on 1996 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The changes in the properties of a multi-span continuous steel girder composite bridge during construction can cause final dead load deflections that are quite different from the calculated theoretical values. The casting rate and the sequence of span casting affect the development of concrete stiffness which can significantly affect the final dead load deflections. The study involved two activities: collecting data from the testing of concrete cylinders and laboratory-size beams representative of composite bridge girders and developing a computer program that calculates dead load deflections during construction based on the data from the laboratory testing. The 300 concrete cylinders were tested at ages varying from 2 to 36 hours after pouring to establish stress-strain relations in axial compression. The four composite beams (20 ft (6.1 m) long) with 16 strain gages and 4 deflection gages were tested by applying small incremental loads starting soon after the concrete was poured. Based on these measurements, the change in stiffness of the composite beam was computed and the concrete properties evaluated. The test results helped obtain a relationship that describes the variation of the concrete Young's Modulus with time varying from 2 to 36 hours. Best results were obtained between 4 and 19 hours. The relationship established seems logical and appeared to be consistent in all tests. It was implemented in the computer program and is most valid for ages up to 10 hours. The additional concrete stiffness gained after 10 hours is based on the slope of the curve at 10 hours and a limitation factor that determines the characteristic length of the transition polynomial and which specifies how soon the curve should be asymptotic to the standard value of the 28-days modulus of elasticity. The computer program was verified, however, additional research is needed to test the program more rigorously, to study the effect of concrete confinement and the use of plasticizers, and to compare the results of additional test data with actual field measurements. The effect of the weight of construction equipment should also be studied. Excessive bridge deflection could be avoided with a better understanding of the factors and parameters that affect the deflection.
Author : Benjamin S. Pavlich
Publisher :
ISBN 13 :
Total Pages : 362 pages
Book Rating : 4.3/5 (129 download)
Download or read book Evaluation of Prefabricated Composite Steel Box Girder Systems for Rapid Bridge Construction written by Benjamin S. Pavlich and published by . This book was released on 2010 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Photograph and Brief Biography of the Rev. Horatio Alger Sr., with a Photograph of His Residence in Marlborough, Mass. written by and published by . This book was released on 19?? with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Pun
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)
Download or read book Load Distribution of Composite Box Girder Bridges written by D. Pun and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
