Contact dave kiekbusch for questions about this page. Expressions to design the interface between precast beam and slab using the connection with shear key are proposed. Slab technologies llc of nj in conformance with its designguide. Precast, prestressed girder design example pgsuper training 242020 4. Pdf design and behavior of spread slab beam bridges. Design, manufacture and construction of buildings with. Aashto lrfd bridge design specifications, fifth edition with 2011 interim revisions. Department of transportation federal high way administration bridge deck design. Assume the bottom of the slab is directly on top of. The steel reinforcement in the concrete slab was improperly designed, resulting in a concretion of. We inform design and construction professionals, supply design tools and details, and assist the engineer of record on an as needed basis. Deck design follows the nmdot standard deck slab detail in chapter 4 of the nmdot bridge procedures and design guide, hereinafter referred to as design guide. 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 by modjeski and masters, inc.
The open web dissymmetric beam shall be fabricated from astm a992a572 grade 50. The superstructure design includes the following elements. Pci has developed preliminary design charts in accordance with the aashto. Pdf 3 analysis and design of deck slab satya narayana. Wisconsin department of transportation bridge manual. Girder slab technologies, llc is neither a subcontractor or material supplier. At midspan the bottom of the slab is above the top of the girder by the fillet amount. If the actual camber exceeds the predicted camber, the. Pdf the texas department of transportation txdot uses precast prestressed concrete slab beam bridges in a sidebyside configuration.
In order to develop a rational analysis that would maximize the use of the. Ultrahigh performance fiber reinforced concrete elements pdf. Girder analysis and design is performed using the computer. Design of reinforced concrete bridges department of civil. Girder slab technologies, llc 3 myers drive suite 10 mullica hill, nj 08062 phone. Pdf beamslab connection in precast bridge decks with pockets. Girder slab technologies can help you determine whether or not the girder slab system will add value to your project. Unlike castinplace concrete structures, the girderslab system uses off site prefabricated components that are quickly erected on site by one trade even in cold weather ironworkers. Slab shapes 183k, pdf span by span 162k, pdf there are a number of different beam shapes in the u.
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