Aashto lrfd bridge design specifications specific to new mexico bridge design practice so that uniformity in bridge design procedures will be attained. Designing timber highway bridge superstructures using aashtolrfd specifications. Load and resistance factor design lrfd for highway. Over 140 experts, 14 countries, and 89 chapters are represented in the second edition of the bridge engineering handbook which everyone can download it freely from our pdf library. This manual is intended to provide general guidance, and not solutions that are specific to any project.
Bridge substructure are a very important part of a bridge as it safely transfers the loads from the superstructure to the earth in such a manner that. A substructure is an underlying or supporting structure to superstr. The standards, details, and design aids included in the various parts of manual of the structure and bridge division are provided for informational purposes only. Chapter 17 superstructure general january 2020 173 17. Lrfd approaches to design and analysis provides a detailed discussion of traditional structural design perspectives, and serves as a stateoftheart resource on the latest design and analysis of highway bridge superstructures. It includes columns, beams, slab upwards including all finishes, door and window schedules, flooring, roofing, lintels, and parapets. Chapter xi superstructure maintenance procedures page xi3 bridge maintenance training reference manual exhibit xi. Numerous and frequentlyupdated resource results are available from this search. Design considerations for steel plate girder bridges.
Bridge engineering handbook second edition superstructure design edited by waifah chen and lian duan slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Canadian precastprestressed concrete institute bob stofko, p. Comprehensive design example for prestressed concrete psc girder superstructure bridge with commentary task order dtfh6102t63032 us customary units submitted to the federal highway administration prepared. Lrfd design example for steel girder superstructure bridge. Evaluate existing test hole data not much before 1940. Design step 7 design of substructure prestressed concrete bridge design example task order dtfh6102t63032 740 temperature and shrinkage forces the effects of the change in superstructure length due to temperature changes and, in. Comprehensive design example for prestressed concrete. Fundamentals superstructure design substructure design seismic design construction and maintenance vii. Mccormick rankin corporation paper prepared for presentation at the bridges economical and social linkages session of the 2007 annual conference of the transportation association of canada. It provides a combination of instructorled discussions and workshop exercises. Design k12395 second edition bridge engineering handbook bridge engineering handbook bridge engineering handbook.
The superstructure of a bridge consists of the deck, approach slabs, expansion joints and girders. Designing timber highway bridge superstructures using. Bridge engineering handbook superstructure design, second. This extensive collection highlights bridge engineering specimens from around the world, contains detailed information on bridge engineering, and thoroughly explains the concepts and practical applications. Usually, the bridge is lifted and lowered onto blocking until the work is complete. One design example is a twospan steel plate girder bridge, and the. Design details superstructure design design issues what is a prefabricated bridge unit pbu.
What is substructure and superstructure in building. The design of bridge substructure is an important part of the overall design for a bridge and affects to a considerable extent the aesthetics, the safety and the economy of the bridge. The areas of bridge engineering include planning, analysis and design, construction, maintenance, and rehabilitation. Design verifications for simple steel plate girder bridges, consider spot checking computer program design and analysis output by rough hand calculations if practical for complicated steel plate girder bridges curved, consider verifying design with a second design analysis program no two programs will match exactly of course. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Precast is utilized to construct both the superstructure and substructures of all types of bridges. Design step 5 design of superstructure prestressed.
In the past the bureau followed aashto standard specifications but now has transitioned to aashto lrfd specifications for superstructure design. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Fundamentals, superstructure design, substructure design, seismic design, and construction and maintenance, this new edition provides numerous workedout examples that give readers stepbystep design procedures, includes contributions by leading experts from around the world in their respective areas of bridge. For depth of structure scoping, it would be common to add 12 9 for bridge deck and 34 for stool buildup to the beam depth for total superstructure depth. The design example and commentary are intended to serve as a guide to aid bridge design engineers with the implementation. This document consists of a comprehensive steel girder bridge design example, with instructional commentary based on the aashto lrfd bridge design specifications second edition, 1998, including interims for 1999 through 2002. This text is an ideal reference for practicing bridge engineers and consultants design, construction, maintenance, and can also be used as a reference for students in bridge engineering courses. Abutment design example michigan technological university. This document provides two comprehensive superstructure design examples for the application of load and resistance factor design lrfd to highway bridge design. Use features like bookmarks, note taking and highlighting while reading highway bridge superstructure engineering.
Pdf bridge superstructure design atul alex academia. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Depth webtraining design details superstructure design pbu design. I, superstructure design ii, substructure design iii, seismic design, and iv, construction and maintenance. But bridge engineers learn from failures, and even errors help to foster progress. Precast options for bridge superstructure design john r. All articles, equations, and tables referenced in this manual are from the current aashto lrfd bridge design specifications, unless noted otherwise. Chapter 9 bearings and expansion joints page 94 wsdot bridge design manual m 2350. The course also includes lrfd theory applied to design examples and illustrates stepbystep lrfd design procedures. Vdot does not warranty any of the information contained therein. Do not place the phase line closer than 6 12 inches from the beam edge for ubeams and 10 inches for xbeams, to allow.
New bridge design information is continually developing. Bridgedesign package it is possible to create a flexible superstructure family in revit. Superstructure design, substructure design, seismic design, and construction and maintenance, this new edition provides numerous workedout examples that give readers stepbystep design procedures, includes contributions by leading experts from around the world in their. Chapter 4 superstructures bridge plan development guide march 1, 2007 44 4. What is the proper difference between in superstructure. A superstructure is an upward extension of an existing structure above a baseline called ground level in general and it usually serves the purpose of the structures intended use.
Download it once and read it on your kindle device, pc, phones or tablets. To provide engineers a wellorganized and userfriendly, easy to follow resource, the handbook is divided into four volumes. Design unit then completes the structural design and detailing following the policies in section 5, bridge superstructure design, and section 6, bridge substructure design. This book is applicable to highway bridges of all construction and material. Bridge approach fill settlement downdrag negative skin friction. Fundamentals, superstructure design, substructure design, seismic. This updated course describes load and resistance factor design lrfd for steel and concrete highway bridge superstructures. Lrfd approaches to design and analysis kindle edition by taly, narendra. Second, the superstructure of the bridge is the horizontal platform that spans the space between columns. Bridge engineering handbook pdf download over 140 experts. Uniform thermal movement range is calculated using the maximum and minimum anticipated bridge superstructure average temperatures in accordance with. When this bridge was built in 1931, traffic patterns were much different.