Longitudinal steel should be detailed in a 2bar alternating pattern, with one of the bars continuous through the slab. Design of reinforced concrete bridges department of civil. On our website you will find a lot of ideas for interior design, and in this particular article we will talk about design of deck slab bridge pdf. Deck is 46 ft wide with a 15 degree skew roadway is 44 ft wide type t501 rail 0. Design a solid slab bridge superstructure having a clear span of 9. Lrfd design examples federal highway administration. Wsdot policy is to design using gross section properties bdm 5. Design and field demonstration of ecc link slabs for. Contact dave kiekbusch for questions about this page. This design example was edited in 2012 by hdr engineering, inc. Specifications and aashto lrfd bridge design specifications. In addition to general design guidance and information on detailing practices, this section contains three design examples.
It is mainly used in crossings and over waterways and also as an underpass for walkways. Sep 09, 2018 on our website you will find a lot of ideas for interior design, and in this particular article we will talk about design of deck slab bridge pdf. Refer to the latest edition of ladotd bridge design manual 4th english edition for. Jul 02, 2010 lecture series on design of reinforced concrete structures by prof. Dec 02, 2017 i suggest you to listen to the video and make notes of your own, that makes you confident if you still want to download it, its not free please click th.
Aashto lrfd bridge design specifications first edition 3 first edition 1994 in1987,thesubcommitteesubmittedain 1987, the subcommittee submitted a request to the aashto standing committee on research to undertake an assessment of the. All idot design guides have been updated to reflect the release of the 2017 aashto lrfd bridge design specification, 8th edition. Slab and girder bridges are used when the economical span limit of solid slab bridges is exceeded. View example in pdf format design example 2 download example as a mathcad workbook zip adhesive anchor examples. The design principles of a solid slab bridge deck may be illustrated by the following illustrative example. A basic introduction to the design codes and methods of anlysis. Pdf presented in this paper are the results of a research project on the monitoring and assessment of the first link slab jointless bridge in the. I suggest you to listen to the video and make notes of your own, that makes you confident if you still want to download it, its not free please click th. Slab bridge has two fundamental features compared to other bridge types. Pdf the texas department of transportation txdot uses precast prestressed concrete slab beam bridges in a sidebyside configuration. Thanks to the presence of the internet in our lives, we can find a lot of ideas for deck design with the help of such sites as.
Problem of design of deck slab bridge part 12 youtube. The integral wearing surface is considered in the weight calculations. Slab frame bridge, structural design, cost optimization, optimization of environmental impact, life. Notes author staff bridgesight software sponsor bridgesight software. Only the design of slab bridge will be used for illustration. Bss090119991 abstract this design example illustrates the empirical design method for composite concrete bridge decks specified in article 9.
Two design examples of a simply supported slab bridge and a twospan box girder bridge are also presented. View example in pdf format design example 1 download example as a mathcad workbook zip castinplace flat slab bridge design. Simple span reinforced concrete slab bridge rating example. If this box is not checked, the rating will use section properties computed from the total deck thickness. Design problem design a slab bridge to meet the following requirements bridge clear span 6m bearing width of slab 400 mm carriage way two lane footpath on either side of bridge wearing coat asphalt concrete select type of slab, railing, wearing coat and materials require.
Solid slab bridges are horizontal beams supported at each. The user will be able to define the bar as fully developed later to model hooks at the start and end of the bar. Reinforced and prestressed concrete are used extensively in bridge projects. The set of bridge sheets shall also include the two sheets of approach slab details bridge design manual detail sheets 8. Double tee bridge beams 157k, pdf next bridge beams 104k, pdf pci zone 6 curved spliced girders 1. Purpose of bridgepurpose of bridge a bridge is a structure providing passagea bridge is a structure providing passage over an obstacle without closing the wayover an obstacle without closing the way beneath. Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for oneway and twoway slabs as per is following are the rcc slab design and detailing guidelines. It assists texas bridge designers in applying provisions documented in the aashto lrfd bridge design specifications, 2017, 8th edition, which designers should adhere to unless directed otherwise by this document. Continuous span reinforced concrete slab bridge vdot. Ultrahigh performance fiber reinforced concrete elements pdf. Flat slab analysis, design and detailing pdf civil. Example on design of slab bridge design data and specifications superstructure consists of 10m slab, 36m box girder and 10m tgirder all simply supported. This pdf file contains a chapter of 23 pages with various aspects of flat slabs including four example of flat slab design. Design and field demonstration of ecc link slabs for jointless bridge decks michael lepech and victor c.
Reinforced concrete slab design using the empirical method bridgesight solutions for the aashto lrfd bridge design specifications bridgesight software tm creators of effective and reliable solutions for the worlds bridge engineers. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 43 for this example, a slab thickness of 8 in. Forensic investigation of two voided slab bridges in the virginia department of transportations richmond district june 2017 6. The effective width equations in the aashto standard. This manual is intended to be a guide for engineers working on bridge design projects for the wvdoh. After reading this article you will learn about the design of slab and girder bridges. Slab bridges, due to camber required to address future creep. A comparative design of reinforced concrete solid slab bridge for. Dhang, department of civil engineering, iit kharagpur. This manual documents policy on bridge design in texas. 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. Forensic investigation of two voided slab bridges in the. A debonded zone under the link slab equal to 5% of the two adjacent girder spans to prevent stress concentrations was suggested 9.
Nhi course 081 load resistance factor design lrfd for highway bridge superstructures, design examples pdf, 7. Western bridge preservation partnership meeting phoenix, arizona may 1214, 2020. Pdf behavior, analysis, and design of an instrumented link slab. This manual documents policy on lrfd bridge design in louisiana. Bridge design guide txdot january 2020 feedback for txdot policy on designing bridges, please refer to the txdot bridge design manual lrfd.
Abstract the purpose of this example is to illustrate the use of the aashto lrfd bridge design for. With decreasing budget allocations for infrastructure. For simply supported spans, this limit is generally found to be nearly 10 metres and for continuous or balanced cantilever type. The steel reinforcement in the concrete slab was improperly designed, resulting in. Pci has developed preliminary design charts in accordance with the aashto.
Simple span reinforced concrete slab bridge rating. For proper display of bridge standards in microstation extract these font files into the c. The precast prestressed concrete voided slab structure is a popular bridge design because of its rapid construction and cost. Lrfd castinplace cip slab span design example county. Many references to section 5 of aashto have been updated to reflect the reorganization of the section. Wisdot bridge manual chapter 18 concrete slab structures january 2019 188 18. Deck is 46 ft wide with a 15 degree skew roadway is 44 ft wide. Pdf 3 analysis and design of deck slab satya narayana. V slab variable depth slab bridge design is a structural analysis and design software package developed for reinforced concrete flat or haunched slab bridges under the american association of state highway and transportation officials aashto lrfd bridge design specifications, 8th edition. Flat slab analysis, design and detailing pdf civil engineering. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Slab bridge design reinforced concrete strength of. Bridge approach slab details in bridge plans the bridge approach slab shall be shown in the plan view of the layout sheet.
Compare the pdf file with the dgn file for validation on correct fonts displayed in microstation. Standard bridge drawings autocad file types open best by rightclicking on the link and doing a save target as and saving to your computer or network before opening. Design of bridge slab spreadsheet engineering books. Master of science and hereby certify that, in their opinion, it is worthy of acceptance. Design mariel villaluna jonelyn lumapag slab bridge is probably the most common bridge type. I using refined estimate of prestress losses bdm 5. Lrfd for highway bridge superstructures, design examples pdf, 7. The following is a summary of the major changes that have been incorporated into the slab bridge design guide. Select the straight bar type even if the bar has hooks at the end. The design of bridge should follow the standard design practices mentioned in the irc and. Title reinforced concrete slab design using the empirical method publication no. The study provides a recommendation with regard to how the virginia department of. Reinforced concrete slab design and detailing guide is456.
Li university of michigan, ann arbor, michigan, usa abstract the poor durability of concrete bridges throughout the us is an increasingly large concern for highway transportation authorities. This help file describes input and analysis features of slab bridge designer 2. Reinforced concrete slab design using the empirical method. This bridge design manual was prepared by siteblauvelt engineers, inc. Pdf design and behavior of spread slab beam bridges. Use the cltocl of bearing dimension for the bridge. The minimum spacing of reinforcing bars should preferably be 6 in. The study provides a recommendation with regard to how the virginia department of transportations structure and bridge division could revise its guidance on design, construction, and maintenance of adjacent member prestressed structures such as voided slabs to address issues identified in this study. It is a supplement to the latest edition of aashto lrfd bridge design specifications, which designers should be adhere to unless directed otherwise by this document. First its superstructure is substantially wide compared to the height of the slab.
The basic bridge geometry can be found on the bridge layout and 75 slab span details see the appendix, pages 21 and 22. Refer to the latest edition of ladotd bridge design manual 4th. Tutorials on bridge design and assessment with examples. Please direct any questions on the content of this document to the bridge design section director, bridge division, texas department of transportation. Lecture series on design of reinforced concrete structures by prof. Wisconsin department of transportation bridge manual. Structures design office lrfd design examples files pdfs.
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