Design of bridge deck slab pdf file

This section establishes the practices, procedures and guidelines for the design of bridge deck. Mar 19, 2014 the following 9 pages link to this file. The first example is of multigirder form, the second is of ladder deck form. Railroad bridge over hillsboro canal all aboard florida now virgin trains usa. Reinforced concrete slab design using the empirical method. Each bridge is formed by steel girders acting compositely with a reinforced concrete deck slab. Superstructure repair to restore structural capacity.

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. Design of transversely prestressed concrete bridge decks. The design of composite slabs and beams is discussed in detail in relation to the eurocodes and bs 5950. Subjects covered refined analysis 2d transition curve design lines construction lines meshing slab properties support conditions data reports outline a flat slab, 500mm thick, is shown below with setting out dimensions. Special design example 5172017 20 from earlier in the memo, for a 7 slab with 2 wearing course, eod thickness and. Example on design of slab bridge design data and specifications superstructure consists of 10m slab, 36m box girder and 10m tgirder all simply supported. The substructure is the portion of the bridge structure such as pier and abutments above the foundation unit and supporting the superstructure. The abutments are made up of a frontal wall 600mm thick and two lateral wing walls separated by a cellotex board filled expansion. Bridge design minimum requirements pdf, 43kb 062017. While the link slab system can provide the benefits of a continuous bridge deck, refinement of the design and detailing of the link slab itself is needed to optimize this bridge deck system and ensure longterm performance. Bridge design guide the texas department of transportation ftp. Design of composite bridge deck slab reinforcement. The live load on the bridge, is moving load on the bridge throughout its length.

This design guide provides a procedural outline for the design of basic slab bridges using the lrfd code and also includes a worked example. General provisions for design of prestressed composite girder slab bridge decks are presented. It provides policies, procedures and methods for developing and documenting the design process. Furthermore, the fhwa manual, previously discussed.

In suspension bridge, the deck slab is suspended using ropes, chains or high tensile strength steel cables. Bridge deck overhang design 272018 4 reducing collision forces aashto procedure requires more reinforcement 3 x ft design for barrier capacity past practice required less reinforcement lower design forces indot and other states reduce collision force 1. This document presents guidelines for designing bridges in texas. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 43 for this example, a slab thickness of 8 in. In addition to general ultimate and serviceability limit state design issues, practical design considerations such as the formation of holes in the slab, support details, fire protection, and attachments to the slab are discussed. The idaho transportation department itd lrfd bridge design manual november 2005. This document is disseminated under the sponsorship of the u. Navigate to bde procedure memorandums to view a complete listing of changes.

The washington state department of transportation wsdot makes these documents available on an as is basis. A 0 m and in l buckling o arch bridge w e over the f 3. Wisdot bridge manual chapter 18 concrete slab structures. Design of deck prestressed concrete bridge design example task. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 45 future wearing surface. The slab offset is the vertical distance from the top of slab to the top of girder measured at the intersection of the girder and bearing centerlines. Your project should complement the beauty of your home, and not be a foreign element. Let the crosssection of the deck be assumed as shown in fig. Dec 02, 2017 problem on design of rc deck slab part 22 duration. Lrfd deck slab design procedure, equations, and outline. Problem on design of rc deck slab part 22 duration.

Design of bridge slab spreadsheet reinforced slab bridges used for short spans, a solid reinforced concrete slab, generally cast insitu rather than precast, is the simplest design to about 25m span, such voided slabs are more economical than prestressed slabs. Section 2 concrete deck slabs on igirders, ubeams, spread box beams. Due to various restrictions on placing files in this manual onto the internet, portions. 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. All warranties and representations of any kind with regard to said documents are disclaimed, including the implied warranties of merchantability and fitness for a particular use. Bridge design manual may 2019 oregon department of transportation section 1 design standards 18 1. The purpose of this policy is to compile the policies and procedures that govern project location, design, and environmental evaluation into one comprehensive manual. Prestressed slab design example free pdf file sharing. New us41 over sunset waterway d1, link slab with frp rebar 82719 project. Lrfd steel girder superstructure design example concrete deck design example design step 2. Concrete bridge drawing bridge engineering drawing. Deck bulbtees 164k, pdf double tee bridge beams 157k, pdf next bridge beams 104k, pdf pci zone 6 curved spliced girders 1. Refer to section 9, deck and deck systems, of this bdm for information about acceptable deck reinforcement sizes and spacing.

Design of bridge slab spreadsheet engineering books. Uhpc link slab design uhpc workshop june 28th, 2017 jim scarlata, p. The dead load is nothing but a selfweight of the bridge elements. Department of transportation bridge deck design using grade 60 steel astm a615, f y 60 ksi and epoxycoated reinforcing steel was compared to deck slab specimens where grade 60 is replaced with crr bars. These design and assessment spreadsheets were written using microsoft excel 2000 and 2010 and they contain macros. Indepth rigorous analysis for deck design is not warranted for ordinary bridges. Past experiences from construction failures and learning lessons. Njdot design manual for bridges and structures 6th edition, 2016 i. Slab bridges, due to camber required to address future creep deflection, do not ride ideally for the. The deck may consist of 3 girders spaced at 2, 45 m. The following concrete deck design criteria are obtained from the typical superstructure cross section shown in figure 21 and from the referenced articles and tables in the aashto lrfd bridge design specifications through 2002 interims. The first design step for a concrete bridge deck is to choose the correct design criteria. Determine live load bending moment for irc aatrack load for bridge by parag pal duration.

Manual bdm are the basic documents used to design highway bridges and. Therefore the approximate elastic methods specified in. Structural bridge design bridge analysis software autodesk. Staad pro bridge deck analysis using stadd beava on irc. Bridge deck protection system and future overlay requirements pdf, 169kb 052017. Superstructure is the portion of bridge structure above the substructure level viz. Perform integrated loading, analysis, and code checking of small to mediumspan bridges. Different types of bridges with pdf file engineering. This manual documents policy on bridge design in texas. The layout of the spreadsheet should not be changed. Aashto lrfd bridge design specifications, 8th edition 2017 pdf, 168kb 082017. A dimension is a wsdot term that is equivalent to slab offset. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 41 design step 4 deck slab design design step 4.

This manual is intended to be a guide for engineers working on bridge design projects for the wvdoh. A debonded zone under the link slab equal to 5% of the two adjacent girder spans to prevent stress concentrations was suggested 9. References to lrfd design specifications refer to the current aashto lrfd bridge design. 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 2688 venado way rescue, ca 95672 phone. The macros carry out calculations using values from specific cells in the. Deck slab design spreadsheet civil engineering community. Steel bridge, deck design, concrete deck, precast no restrictions. To watch entire training series of staad pro v8i kindly subscribe the channelif you need any particular topic. The longitudinal analysis was performed for bridge models with a different number of spans, deck widths and span lengths, in order to encompass in the analysis a wide range of practical. Pdf design and construction of a reinforcement free. The following design method can be used for normal weight concrete with specified compressive strengths up to 15. Where applicable, you can see countryspecific product information, offers, and pricing. Slab bridges are defined as structures where the deck slab also serves as the main loadcarrying component.

Interstate and trunklines use hs25 loading for all structures carrying interstate or trunkline routes, and on and off. Castinplace deck slab design for positive moment regions. Lrfd bridge design specifications, 5th edition with the 2010 interims. Evaluation of the empirical deck design for vehicular bridges.

Please direct any questions on the content of this document to the bridge design section director, bridge division, texas department of transportation. Uhpc in bridges in florida florida department of transportation. Bridge design guide txdot january 2020 feedback for txdot policy on designing bridges, please refer to the txdot bridge design manual lrfd. Sep 06, 20 deckslab is a spreadsheet program written in msexcel for the purpose of analysis and design of slabs on metal deck. The first example is of multigirder form, the second is of ladderdeck form. Abstract the primary function of a bridge deck is to support the vehicular vertical loads and distribute these loads to the steel superstructure. Bridge deck patching, exceeding maximum 10% deck area partial or full depth.

It is not intended to replace the aashto lrfd bridge design specifications or any other design guide or regulatory code. The different elements of bridge are deck slab, wearing coat, railings, parapet, stiffeners and other utilities. Both composite deck slabs and form deck slabs can be analyzed and designed for 3 different loading conditions. The intent is to provide guidance as well as an interpretation of aashto lrfd bridge design specifications specific to new mexico bridge design. The size, spacing, and type should match that of the adjacent concrete deck. I thought with structural enterprise license, i should be able to run this module also called staad. Although the experimental research and testing was directed at castinplace posttensioned decks on precast concrete girders. Anchoring of link slab the portion of the link slab beyond the unbonded length is used to anchor it into the concrete deck slab. Do not be afraid to play with the color deck, the wood that will lie at its base is easily painted, so you can always make changes along the way. This document is available to the public through concrete deck, wood deck, metal grid deck, orthotropic the national technical information service, springfield, va deck 22161. The roadway hangs from massive steel cables, which are draped over two towers and secured by anchors on both ends of the bridge.

New us41 over sunset waterway d1, linkslab with frp rebar 82719 project. Pdf format of boring logs, and other subsurface investigation data ctp, etc. Past manual notices are available in a pdf archive. Analysis and design of link slabs in jointless bridges with. Due to simplicity of design and construction, the concrete slab structure is relatively. The slab offset and slab haunch are geometric parameters relating to the bridge deck. The concrete deck slab in this region shall be roughened to amplitude of 12. Pdf 3 analysis and design of deck slab satya narayana. Download complete bde manual in pdf february 2020 part i. Only the design of slab bridge will be used for illustration.

It is the first design load to be calculated in the design of bridge. It will also provide design aids and other sources of information along with cross references to other parts of this manual to assist in the design and preparation of plans. Structural design guidelines for concrete bridge decks. Evaluation of the ontario empirical method for design of composite. Design and construction of a reinforcement free concrete bridge deck on precast bulb tee girders article pdf available january 2007 with 1,779 reads how we measure reads. It shall also include returns and wing walls but exclude bearings. This design should always be used unless approval to use a thinner deck is obtained from the state bridge engineer. Concrete deck slabs on bridges designed in accordance with aashto lrfd for hl93 loading.

Scan the notes or convert electronic files and gather them into a single pdf file. Design of reinforced concrete bridges department of civil. It is to be modelled as a grillage in autodesk structural bridge design and the data file saved for analysis in chapter 7. This help file describes input and analysis features of slab bridge designer 2. The integral wearing surface is considered in the weight calculations. Chapter 17 superstructure general january 2020 173 17. Scour requirements for bridges, walls and culverts pdf, 168kb 072017. To activate the bridge deck tab, you must check the box for staad.

Design manual for bridges and structures sixth edition, 2016 nj. The required passage may be for a road, athe required passage may be for a. Nysdotslink slab design mathcad worksheet performs all required aspects of design when using link slabs. Design of bridge deck slabs using glass fiberreinforced polymer gfrp bars of different grades conference paper pdf available july 2014 with 496 reads how we measure reads. Us 441taylor creek d1, precast bridge deck beam longitudinal joint. Vehicle collision force updated bents with two or fewer columns or bents with a lack of redundancy such as straddle bents require special consideration. Consultant resources illinois department of transportation. Problem of design of deck slab bridge part 12 youtube. Supplementary notes visit for a pdf file of this and other research reports. Lrfd steel girder superstructure design example lrfd. We have redirected you to an equivalent page on your local site where you can see local pricing and promotions and purchase online. This bridge design manual was prepared by siteblauvelt engineers, inc.