Steel bridges ii structural steel rev design project. Each bridge is formed by steel girders acting compositely with a reinforced concrete deck slab. Truss girder rail bridge worked example 1 made by sssr date 810. Main roads western australia structures engineering design manual page 3 of 3 preface. Pdf documents are added to the appropriate location in projectwise and digitally signed for the. Bridge detail sheets document library bridge design nh. Bridge design to eurocodes worked examples worked examples presented at the workshop bridge design to eurocodes, vienna, 46 october 2010. Steel girder bridge design plans shall be submitted in phasestwo 2. Nhi course 081 load resistance factor design lrfd for highway bridge superstructures, design examples pdf, 7. A pile design example reflecting the procedures in the guideline is included in the appendix.
Generally speaking, design axle loads are more severe than legal axle loads and help to provide reasonable factors of safety for slab designs. Design live loads are used during the design of a new bridge, and reconstruction or rehabilitation designs. The design example and commentary are intended to serve as a guide to aid bridge design engineers with the implementation. Throughout this guideline, the term lrfd, when followed by a section or table number, is used as a reference to. Example 91 lfr general example 92 lfr with deterioration. This document is a standard developed by the aashtonsba steel bridge collaboration. In addition to the typical best management practices bmps employed during construction, mainedot incorporates appropriate avoidance and minimization measures amm during project design and planning to help avoid and minimize effects to the environment. Multimedia package for lrfd steel bridge design by dr.
Truss girder rail bridge worked example 1 made by sssr date 8 structural steel design project. Lrfd bridge design specifications4 for details of this design load. Project development bridge design bridge detail sheets the new hampshire. The first phase is meant to establish type, size and location. Cceer 1404 nonlinear evaluation of the proposed seismic design procedure for steel bridges with ductile end cross frames eric v. Lrfd design example for steel girder superstructure bridge. Fatigue design of bridges from although the fatigue limit state is an ultimate limit state, it requires a different approach to design from that of other limit states because failure is associated with the cumulative damage caused by repeated application of common levels of stress. It is not generally possible to determine the exact service life of a given treatment. Overview and design examples american institute of steel. These documents are prepared by the nhdot for use on nhdot projects. Connecticut department of transportation bridge design manual division 1 standard design practices and. Section 3 shall apply to this section unless noted andor excepted below. The example illustrates the design of a typical threespan continuous straight steel igirder bridge with spans of 140. Project development bridge design bridge detail sheets the new hampshire department of transportation nhdot makes these documents available on an as is basis.
The design process and corresponding calculations for steel igirders are the focus of this example. These standard guidelines, examples and checklists assist engineers and detailers to produce preliminary design studies, contract plans and other. Steel girder design example using 3rd edition aashto lrfd. All chapters were developed as a consensus document to achieve uniformity in seismic design of steel bridges in california. R1499 corrosion resistant alloy steel mmfx reinforcing. Guidelines for the use of steel piling for bridge foundations. The bridge design code provides detail of design principles, loads and standards to which all bridges designed by, or for, mrwa must comply. Grubb center for civil engineering earthquake research university of nevada, reno. Steel plate is available in 36, 50, and 50w grades.
Steel plate girder deflections a look at the development and implementation of a simplified. More values had to be looked up in the aashto specifications manual before the actual. This type 2 design strategy in the guide specifications limits the inelastic activity to the superstructure of steel plate girder bridges. Mechanically stabilized earth mse wall design example. Threespan continuous straight composite i girder load and resistance factor design third edition customary u. This project is to be constructed in accordance with the virginia. One 11 x 17 pdf file per sheet is created with appropriate bridge and drawing numbers. Example drawings of repairretrofit and different structure types are available on the odot ftp site. The design office will convert the pdf files to tif files 400 dpi and load the images into. Skewed example bridge dead load dc1 deflections dc1 unfactored in. Chapter steel design chapter 14 timber bridge refurbishment. It includes some pdf documents containing explanatory examples and an. The primary goal of the collaboration is to achieve steel bridge design and construction of the highest quality and value through standardization of the design, fabrication, and erection processes.
Shape sections, other than pipe and tubing, are typically available in 36, 50, or 50w grades. If you would like to receive one of our full colour glossy brochures, mailed directly to your company or client, please click on the brochure link to left and then complete the mailing address contact form. The design process and corresponding calculations for steel igirders are the focus of this example, with particular emphasis placed on illustration of the optional moment redistribution procedures. This publication presents worked examples of the detailed design of two composite highway bridges. Attachment 11a steel girder bridge detailing examples. Threespan continuous straight composite steel igirder bridge. Performing organization name and address department of civil and environmental engineering the university of alabama in huntsville huntsville, al. The first example is of multigirder form, the second is of ladderdeck form.
Pdf structural bridge designchapter 5example2 of reinforce. The files attached include a csibridge model and a detailed pdf which documents the modeling and verification procedures for a composite steelgirder bridge design based on the example published in the lrfd design example for steel girder superstructure bridge fhwa nhi04041 by fhwa in november 2003. Specifically, the example illustrates the design of selected critical sections from an exterior girder at the strength, service and fatigue limit states. Click on a datetime to view the file as it appeared at that time.
Lrfd seismic bridge design provides a design procedure to achieve the desired seismic performance of essentially elastic substructure and ductile superstructure. Other important aspects of steel bridge design are considerations of the design features that positively or negatively impact a structures aesthetic qualities as well as initial and lifecycle costs. Bridge publications texas department of transportation. The design process and corresponding calculations for steel igirders are the focus of this example, with. Steel bridge alliance or that of any person named herein that these data and suggested practices are suitable for any general or.
Rp05 01 report of task 1 appraisal of stateoftheart of bridge condition assessment prepared for georgia department of transportation by naiyu. The basic application of the aashto lrfd bridge design specifications to the design of straight steel isection flexural members is illustrated through this design example. O ncsu research on dead load deflection for steel girders o design examples. The free encyclopedia for uk steel construction information. This design example presents the procedures to calculate pile. Key words mmfx, reinforcement, corrosion resistant, life cycle cost, alloy steel, epoxy coated, bridge deck 18. In addition to the typical best management practices bmps employed during construction, mainedot incorporates appropriate avoidance and minimization measures amm during project design and planning to help avoid and minimize effects to. The report includes design standards and design examples for complete prefabricated bridge systems, and proposes specification language for accelerated bridge construction systems, which adheres to the american association of state highway and transportation officials aashto load and resistance factor design lrfd bridge design and.
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. It does not, however, cover the application of these principles. Bridge design and drafting manual november 2017 oregon department of transportation section 2 drafting. Texas secondary evaluation and analysis for scour tseas disregard depth in foundation design.
Bridge detail sheets document library bridge design. This document is disseminated under the sponsorship of the u. Guideline g documents american institute of steel construction. Analysis and design of composite steelgirder bridge. This design example is for end bearing piles that are driven through cohesive soil and tipped out in rock. Figure 5 below shows an example of a typical hot rolled steel i beam. The sample design calculations pertain to the same standard bridge configurations for steel and concrete used in the abc standard concepts.
It describes the steps in the design procedure for a composite plate girder highway bridge superstructure, explaining how to choose an initial outline arrangement and then how to apply design rules to analyse it and detail the individual. Abstract the purpose of this example is to illustrate the use of the aashto lrfd bridge design for the design of a continuous two span steel igirder bridge. The files attached include a csibridge model and a detailed pdf which documents the modeling and verification procedures for a composite steelgirder bridge design based on the example published in the lrfd design example for steel girder superstructure bridge fhwa nhi04041 by fhwa in november 2003 recommended reading. Condition assessment of existing bridge structures gdot project no. Siteblauvelt engineers cranberry township, pa pittsburgh, pa b s d i design. The specifications are supplemental to the current sdc and shall be applied in conjunction with the current caltrans adopted aas hto lrfd bridge design specifications and the california amendments. Release notes nsba splice document bolted field splices for steel bridge flexural members. The bridge design detailing manual guidelines listed below are developed and maintained by the structure design detailing technical committee within the division of engineering services des. Bridge construction manual guidelines to project supervisors bridge engineering page 2 revision. The following features of seismic design of steel buildings are illustrated. Bridge design to eurocodes worked examples worked examples presented at the workshop bridge design to eurocodes, vienna, 46 october 2010 support to the implementation, harmonization and further development of the eurocodes y. Standard detail is a commonly useddrawing that is inserted into a plan sheet is stamped by the eor.
To download an electronic version pdf click on one of the links below. Guide specifications for internal redundancy of mechanicallyfastened builtup steel members. Mar 19, 2014 the free encyclopedia for uk steel construction information. Load rating example live load moments design vehicles legal vehicles permit vehicles. The basic application of the aashto lrfd bridge design specifications to the design.
The second phase if for final design of the structure and foundation system. Analysis and design of concrete steel roof structure by using staadpro. Metal stayinplace forms for bridge decks as applicable allow 15 psf dead. Chapter 21 contract documents and consultants briefs chapter 22 bridge aesthetics future chapters. The manual is intended to fill a gap not covered by either the bridge design code or standard text books. Preface this document is a standard developed by the aashtonsba steel bridge collaboration. A new paragraph is added to indicate that when a moment contribution from the web. The purpose of this example is to illustrate the use of the aashto lrfd bridge design for the design of a continuous two span steel igirder bridge. Pdf steelconcrete composite bridge design guide researchgate. The intent was to have sample design calculations that could be used in conjunction with the abc standard concepts so that the.
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