Reinforced concrete slab design using the empirical method. Improved interaction among bridge design, construction, maintenance, and field performance will be essential in providing the most economical infrastructure. Retrofit of rectangular bridge columns using cfrp wrapping. Design step 2 example bridge prestressed concrete bridge design example 8 reinforced concrete deck 110 18 14 5 spa at 9 8 9 55 4 12 total width 52 roadway width figure 22 bridge crosssection 2. This design example tries to follow this outline as closely as is relevant. The design example and commentary are intended to serve as a guide to aid bridge design engineers with the implementation of the aashtolrfd bridge design specifications. This thesis investigates different methods for 3d structural analysis of concrete bridges at a design stage.
Concrete bridge design, analysis software leap bridge. When changes are completed to the document, the following actions will be completed. Left click save target as and save the file to a desired folder on users computer. Unable to create documentation while printing to pdf. The design of concrete highway bridges and structures. Sap2000 bridge tutorial pdf 7mb pdf concrete boxgirder, steelgirder, and cablestayed bridge tutorials. For most commercial projects this information is usually found on the sitegrading plan. If the openjdk solution fails to produce pdf, manually edit the fop. In this masters project the arch of the munkedal bridge was used as an example. It was approved on behalf of the council of standards australia on 9 december 2003.
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. Finally, a complete design of the bridge including girders, columns, abutments and the deck was created. Design manual for roads and bridges part 6 nra bd 2414 june 2014 1 1. For example, a fully laden readymix concrete lorry can weigh 20 tonnes, and. This completes the data inputs required for slab bridge designer 2. Building regulations part m 2004 part m and approved document m. Design of concrete bridges en 19922 procedure to determine c min,dur ec2 leaves the choice of c min,dur to the countries, but gives the following recommendation. Right click the excel icon for the appropriate jurisdiction.
By 1982, the sunshine skyway bridge in tampa, florida, had set a new record for concrete bridges, with a. This document describes one of seven seismic design examples that illustrate how to apply the american association of state highway and transportation officials aashtos seismic analysis and design requirements on actual different bridge types across the united states. Be aware if choose this option and update java in the future then this batch file will need to be updated. Design step 5 design of superstructure prestressed. Tutorial included in the sap2000 bridgeexamples document. The more the project description is expressed in performance criteria, the more flexibility the designbuilder has in creating an efficient final design. Case study design of a steel bridge 165 chapter 10. The parapet wall of the highway bridge was a solid recessed panel and that of the park bridge a balustrade type luten 1917. Kansas department of transportation bridge construction manual version 1011 kdot bridge section 1. Bss090119991 abstract this design example illustrates the empirical design method for composite concrete bridge decks specified in article 9. Comprehensive design example for prestressed concrete psc. Attached is a model file and a pdf which outlines the procedure for modeling. Innovative analysis, design, and loadrating functionality come together in.
Such design ideas as making it a onespan bridge and what material to use in construction, prestressed concrete or steel, were further investigated. United states design specifications typically require a 75 or 100year design life, and european specifications require a 120year design life. The first reinforced concrete design manual formerly titled aci design handbook was developed in accordance with the design provisions of 1963 aci 318 building code by aci committee 340, design. Eurocodes required for concrete bridge design en 1990 en 1991 en 1992 en 1997 design analysis and section design, partial factors design approach, partial factors, foundations, earth pressures etc. Concrete bridge design and analysis software improve decision making for design and construction while connecting and enhancing your workflow. A great deal of the information necessary to properly design. Comprehensive design example for prestressed concrete psc girder superstructure bridge design step 7 design of substructure design step 7. Its 32bit computational engine processes design changes at blazing speeds, giving you more time to check alternative options and refine your designs. Comprehensive design example for prestressed concrete.
Earthquake damage to bridge structures can be attributed to the lack of seismic design and detailing of both old bridges and bridges under construction. In one notable instance the design plans showed the 1200 ft 366 m main span for a long crossing over a wide river as an esthetically pleasing steel tiedarch. In the following sections, the word pier is used to refer to the intermediate pier or intermediate bent. The implementation of gfrp requires addressing changes in the current design philosophy. An outline for basic steps for concrete bridge design is given in appendix a5 of the lrfd specifications. Bridge related software national concrete bridge council. Designbuild bridging documents for complex projects part. The format adopted follows that of construction technology, providing concise. Structural analysis and design of concrete bridges civil. Structural steel bridge shop drawings transportation. Late in the 1970s, cablestayed construction raised the bar for concrete bridges. Pdf advanced construction technology 4th edition by roy. Case study design of a composite bridge 191 annex a. As an example of performance criteria, the ottawa lightrail transit olrt is a complete new system including tunnels, railway, stations, maintenance facilities, vehicles, and a 30year.
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. This manual deals with the following aspects of bridge design. The bridge design code provides detail of design principles, loads and standards to which all bridges designed by, or for, mrwa must comply. Chapter 2 preliminary design page 24 wsdot bridge design manual m 2350. Notes author staff bridgesight software sponsor bridgesight software. This handbook covers a full range of topics and design examples to provide bridge engineers with the. Simple span reinforced concrete slab bridge rating example. Luten contrasted a highway bridge of plain design with a park bridge of attractive design in the same publication. This manual is intended to better communicate the intent of the plans, standard specifications for state road and bridge construction, special provisions, and project special. This document contains the history, present practices, and illustrations of the fundamentals of. We prefer working with contractors sharing a common vision that projects should result in. Reinforced concrete bridges concrete reinforcing steel. Nowadays, manufacturers can produce standard bar bends which can be applied to design and construct bridge components, such as pile caps and traffic barriers. At the same time, the owner can retain that same bridging document team as their voice throughout the process.
This australian standard was prepared by committee bd090, bridge design. Design step 5 design of superstructure prestressed concrete bridge design example task order dtfh6102t63032 51 design step 5. Clearly one key to achieving a longlife bridge deck is ensuring that. Effects of lhvs on road bridges and en19912 load models 209. It does not, however, cover the application of these principles. Bridge annals include a number of cases where the design engineer failed to consider erection feasibility. Concretes reduced capital and life cycle costs made it the obvious choice over steel. The design of this bridge is based on application of the balanced cantilevering method where two formtravelers are cantilevered from the pier head in two directions simultaneously. Notes to the file should be made documenting the aesthetic requirements and recommendations of the state bridge and structures architect.
Psbeam is a highperformance, windowsbased system for prestressed concrete bridge girder design. Foreword the reinforced concrete design manual sp1711 is intended to provide guidance and assistance to professionals engaged in the design of castinplace reinforced concrete structures. Ohashi bridge, which is the main topic of this report, is a threespan continuous deckstiffened arch bridge. Design parameters wall geometry when planning a recon retaining wall, the most logical place to start is the wall location and where it resides with reference to the project site and topography. The benefit can, in most cases, be seen for slender and compressed concrete structures. Attached is a model file and a pdf which outlines the procedure for modeling a concrete boxgirder bridge, a steelgirder bridge, and a cablestayed bridge. We have been involved on both sides of the designbuild table. The manual is intended to fill a gap not covered by either the bridge design code or standard text books. Concrete boxgirder bridge model tutorials computers.
Limit states, combination and partial factors actions, inc. Arched bridges are more complicated to design, but depending on the location the selection of an arch can be the best option, resulting in a beautiful bridge well. Title reinforced concrete slab design using the empirical method publication no. This manual has been prepared to provide washington state department of transportation wsdot bridge design engineers with a guide to the design criteria, analysis methods, and detailing procedures for the preparation of highway bridge and structure construction plans, specifications, and estimates. If the specified service life is 50 years, the structural class is defined as 4. The intent of the cdot bdm is to complement current american association of state highway and transportation officials aashto load and resistance factor design lrfd specifications with current interim edition and to provide interpretations applicable to the design of colorado projects. For example, if the bridge includes a sidewalk, utilities, or parapets, you should input them separately. With given designs and specifications the best opportunity for the contractor to. Bridge design specifications second edition, 1998, including interims for 1999 through 2002. Automatedhinge properties in sap2000 are computed automatically from the element material.
Alberta transportation bridge load evaluation manual v. The more the project description is expressed in performance criteria, the more flexibility the design builder has in creating an efficient final design. The value c min,dur depends on the structural class, which has to be determined first. This example illustrates the design of an interior and exterior beam of a precast prestressed concrete beam bridge using fully prestressed beams with harped bonded strands in accordance with the aashto lrfd bridge design specifications, third edition, customary us units and through the 2005 interims. An image of a model taken from the sap2000 bridge examples document is shown in figure 1.
The citys design team broke with tradition, recommending a hydraulically operated concrete doubleleaf swing bridge, based on indepth research. Lrfd bridge design manual bdm colorado department of. Exchange project information including bridge geometry, materials, loads, prestressing strand pattern, and shear reinforcement. They are employed to develop that particular aspect of the design within the cost and. The aim is to illuminate differences and the impact different modelling procedures and choices made in the modelling process has on the resulting design of a bridge. The seismic design forces for highway bridges are specified in irc6 irc6 2000, seismic provisions.
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