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Book Automated Design of Continuous Bridges with Precast Prestressed Concrete Beams

Download or read book Automated Design of Continuous Bridges with Precast Prestressed Concrete Beams written by Harry L. Jones and published by . This book was released on 1974 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Computer program has been developed in this study to perform the calculations for the design of continuous prestressed concrete bridge girders. The continuous girder is constructed from simple span precast concrete I-shaped beams made continuous by supplementary reinforcing in the deck and the ends of the precast beams. Specifications for the designs produced are those currently accepted by the State Department of Highways and Public Transportation. This volume of the report contains a description of the computer program, instructions for its use and information on its structure and operation.

Book Design of Continuous Prestressed Concrete Bridge Girders

Download or read book Design of Continuous Prestressed Concrete Bridge Girders written by Ali Pahlavan and published by . This book was released on 1958 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Design of Precast Prestressed Bridge Girders Made Continuous

Download or read book Design of Precast Prestressed Bridge Girders Made Continuous written by R. G. Oesterle and published by Transportation Research Board National Research. This book was released on 1989 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents and presents results of a study to determine time-dependent behavior and relevant design criteria for simple-span precast, prestressed bridge girders made continuous. A questionnaire was used to determine current practice. Creep and shrinkage tests of steam-cured concrete loaded at an early age were made. Computer simulations were used to investigate the effects of time-dependent material behavior and variation in design parameters on the effective continuity for live load plus impact. The findings suggest that positive moment connections in the diaphragms at the piers are not required and provide no structural advantages. The findings also suggest that effective continuity for live load plus impact can vary from 0 to 100% dependent on the design parameters and timing of construction. Computer analyses were also used to determine an upper limit for the amount of negative moment reinforcement over the supports to insure full moment redistribution and attainment of maximum bridge strength. New computer programs were developed for simplified analysis to determine time-dependent effects and service moments. Recommendations for design procedures were presented and design examples given.

Book The Design Procedures of Continuous Bridges with Precast Prestressed Concrete Girders

Download or read book The Design Procedures of Continuous Bridges with Precast Prestressed Concrete Girders written by Ming-Lee Chang and published by . This book was released on 1970 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Development of a Computer Program for the Calculation of Time dependent Restraint Moments in Continuous Bridges Built with Precast Prestressed Concrete Girders

Download or read book Development of a Computer Program for the Calculation of Time dependent Restraint Moments in Continuous Bridges Built with Precast Prestressed Concrete Girders written by Sami W. Dib and published by . This book was released on 1990 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Analysis and Design of Continuous Prestressed Concrete Girders

Download or read book The Analysis and Design of Continuous Prestressed Concrete Girders written by Donald D. Starner and published by . This book was released on 1950 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Design of a Continuous Prestressed Concrete Nonprismatic Box Girder Bridge with the Special Problem of Uplift at the End Support

Download or read book Design of a Continuous Prestressed Concrete Nonprismatic Box Girder Bridge with the Special Problem of Uplift at the End Support written by Amjad Majid Khan and published by . This book was released on 1972 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book A Computer Program to Optimize the Design of Continuous Reinforced Concrete Girders

Download or read book A Computer Program to Optimize the Design of Continuous Reinforced Concrete Girders written by Rodger Raymond Rodgers and published by . This book was released on 1968 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Design of Continuous Prestressed Concrete Spliced Girder Bridges

Download or read book Design of Continuous Prestressed Concrete Spliced Girder Bridges written by Akshay Parchure and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Traditionally, prestressed concrete girder bridges are limited to 150 ft span lengths in Texas due to restrictions on handling and transportation. An effective way of increasing span lengths of precast, prestressed concrete girder bridges is demonstrated using splicing technique. In spliced girder bridges, precast girder segments are transported in shorter segments for handling and transportation and then spliced together to form long-span continuous bridges. Different methods are explored for construction of spliced girder bridges. Two application examples are developed to demonstrate the design of continuous prestressed concrete spliced girder bridges for both shored and partially shored methods of construction. A three-span bridge having a span configuration of 190-240-190 ft is considered for both examples. Advantages and disadvantages of each method of construction are discussed. Construction issues that should be considered in the design are highlighted. The results of this study indicate that span lengths up to 240 ft are achievable using standard Tx70 girders with the help of splicing techniques. A parametric study is performed to further explore the design space of spliced girder bridges. The results of the parametric study, along with critical design issues that were identified, are highlighted and related recommendations are provided. The results of this study will be of significant interest to bridge engineers and researchers for guidance in implementing spliced girder bridges in Texas and other states. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/151369

Book Automated Minimum Cost Design of Continuous Prestressed Concrete Box Girder Bridges

Download or read book Automated Minimum Cost Design of Continuous Prestressed Concrete Box Girder Bridges written by Lakkaraju Venkata Ramakrishna and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Theory and Design of Bridges

Download or read book Theory and Design of Bridges written by Petros P. Xanthakos and published by John Wiley & Sons. This book was released on 1994 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indeed, this essential working reference for practicing civil engineers uniquely reflects today's gradual transition from allowable stress design to Load and Resistance Factor Design by presenting LRFD specifications - developed from research requested by AASH-TO and initiated by the NCHRP - which spell out new provisions in areas ranging from load models and load factors to bridge substructure elements and foundations.