Design of bridge deck slab pdf file

The abutments are made up of a frontal wall 600mm thick and two lateral wing walls separated by a cellotex board filled expansion. Determine live load bending moment for irc aatrack load for bridge by parag pal duration. The macros carry out calculations using values from specific cells in the. Design of deck prestressed concrete bridge design example task. 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. To activate the bridge deck tab, you must check the box for staad. Njdot design manual for bridges and structures 6th edition, 2016 i. Bridge design minimum requirements pdf, 43kb 062017. Wisdot bridge manual chapter 18 concrete slab structures. Mar 19, 2014 the following 9 pages link to this file.

Prestressed slab design example free pdf file sharing. Lrfd deck slab design procedure, equations, and outline. The size, spacing, and type should match that of the adjacent concrete deck. Dec 02, 2017 problem on design of rc deck slab part 22 duration. 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. This bridge design manual was prepared by siteblauvelt engineers, inc. Pdf 3 analysis and design of deck slab satya narayana. 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. References to lrfd design specifications refer to the current aashto lrfd bridge design.

Navigate to bde procedure memorandums to view a complete listing of changes. 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. It is to be modelled as a grillage in autodesk structural bridge design and the data file saved for analysis in chapter 7. 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. Scour requirements for bridges, walls and culverts pdf, 168kb 072017. Where applicable, you can see countryspecific product information, offers, and pricing. Problem of design of deck slab bridge part 12 youtube. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 43 for this example, a slab thickness of 8 in.

Let the crosssection of the deck be assumed as shown in fig. Download complete bde manual in pdf february 2020 part i. The integral wearing surface is considered in the weight calculations. New us41 over sunset waterway d1, link slab with frp rebar 82719 project. Only the design of slab bridge will be used for illustration. Deck bulbtees 164k, pdf double tee bridge beams 157k, pdf next bridge beams 104k, pdf pci zone 6 curved spliced girders 1. It shall also include returns and wing walls but exclude bearings.

To watch entire training series of staad pro v8i kindly subscribe the channelif you need any particular topic. Steel bridge, deck design, concrete deck, precast no restrictions. Us 441taylor creek d1, precast bridge deck beam longitudinal joint. Therefore the approximate elastic methods specified in. This design should always be used unless approval to use a thinner deck is obtained from the state bridge engineer. Chapter 17 superstructure general january 2020 173 17. A dimension is a wsdot term that is equivalent to slab offset. Furthermore, the fhwa manual, previously discussed. Special design example 5172017 20 from earlier in the memo, for a 7 slab with 2 wearing course, eod thickness and. Design of transversely prestressed concrete bridge decks.

Different types of bridges with pdf file engineering. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 41 design step 4 deck slab design design step 4. The roadway hangs from massive steel cables, which are draped over two towers and secured by anchors on both ends of the bridge. Slab bridges, due to camber required to address future creep deflection, do not ride ideally for the. Supplementary notes visit for a pdf file of this and other research reports. I thought with structural enterprise license, i should be able to run this module also called staad. Design of composite bridge deck slab reinforcement. Uhpc link slab design uhpc workshop june 28th, 2017 jim scarlata, p. 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.

Vehicle collision force updated bents with two or fewer columns or bents with a lack of redundancy such as straddle bents require special consideration. Lrfd steel girder superstructure design example concrete deck design example design step 2. Aashto lrfd bridge design specifications, 8th edition 2017 pdf, 168kb 082017. Staad pro bridge deck analysis using stadd beava on irc. The required passage may be for a road, athe required passage may be for a. Deck slab design spreadsheet civil engineering community. Abstract the primary function of a bridge deck is to support the vehicular vertical loads and distribute these loads to the steel superstructure. Section 2 concrete deck slabs on igirders, ubeams, spread box beams. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 45 future wearing surface. Railroad bridge over hillsboro canal all aboard florida now virgin trains usa. 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. Loading single lane of class 70r or two lanes of class a. The different elements of bridge are deck slab, wearing coat, railings, parapet, stiffeners and other utilities. The examples cover the principal steps in the verification of the designs in accordance with the eurocodes, as implemented by the uk national annexes.

The first design step for a concrete bridge deck is to choose the correct design criteria. Evaluation of the ontario empirical method for design of composite. Concrete bridge drawing bridge engineering drawing. 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. Consultant resources illinois department of transportation. Indepth rigorous analysis for deck design is not warranted for ordinary bridges. Nysdotslink slab design mathcad worksheet performs all required aspects of design when using link slabs. A debonded zone under the link slab equal to 5% of the two adjacent girder spans to prevent stress concentrations was suggested 9.

The slab offset and slab haunch are geometric parameters relating to the bridge deck. The deck may consist of 3 girders spaced at 2, 45 m. Problem on design of rc deck slab part 22 duration. Castinplace deck slab design for positive moment regions. Lrfd steel girder superstructure design example lrfd. 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.

Anchoring of link slab the portion of the link slab beyond the unbonded length is used to anchor it into the concrete deck slab. Refer to section 9, deck and deck systems, of this bdm for information about acceptable deck reinforcement sizes and spacing. Bridge design guide the texas department of transportation ftp. 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. The concrete deck slab in this region shall be roughened to amplitude of 12.

Superstructure is the portion of bridge structure above the substructure level viz. 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. The following design method can be used for normal weight concrete with specified compressive strengths up to 15. Superstructure repair to restore structural capacity. Design manual for bridges and structures sixth edition, 2016 nj. Structural design guidelines for concrete bridge decks. The idaho transportation department itd lrfd bridge design manual november 2005. 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. 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. A 0 m and in l buckling o arch bridge w e over the f 3. For these, consider only one shear plane for the resistance of the collision force.

Bridge design manual may 2019 oregon department of transportation section 1 design standards 18 1. Bridge deck patching, exceeding maximum 10% deck area partial or full depth. We have redirected you to an equivalent page on your local site where you can see local pricing and promotions and purchase online. The substructure is the portion of the bridge structure such as pier and abutments above the foundation unit and supporting the superstructure. 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. Past manual notices are available in a pdf archive. Each bridge is formed by steel girders acting compositely with a reinforced concrete deck slab. This manual documents policy on bridge design in texas. These design and assessment spreadsheets were written using microsoft excel 2000 and 2010 and they contain macros. 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. 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. This design guide provides a procedural outline for the design of basic slab bridges using the lrfd code and also includes a worked example. The live load on the bridge, is moving load on the bridge throughout its length.

Example on design of slab bridge design data and specifications superstructure consists of 10m slab, 36m box girder and 10m tgirder all simply supported. Slab bridges are defined as structures where the deck slab also serves as the main loadcarrying component. Scan the notes or convert electronic files and gather them into a single pdf file. Sep 06, 20 deckslab is a spreadsheet program written in msexcel for the purpose of analysis and design of slabs on metal deck. This section establishes the practices, procedures and guidelines for the design of bridge deck. Bridge design guide txdot january 2020 feedback for txdot policy on designing bridges, please refer to the txdot bridge design manual lrfd. Both composite deck slabs and form deck slabs can be analyzed and designed for 3 different loading conditions. Evaluation of the empirical deck design for vehicular bridges. Reinforced concrete slab design using the empirical method. General provisions for design of prestressed composite girder slab bridge decks are presented. Pci has developed preliminary design charts in accordance with the aashto.

Concrete deck slabs on bridges designed in accordance with aashto lrfd for hl93 loading. The layout of the spreadsheet should not be changed. New us41 over sunset waterway d1, linkslab with frp rebar 82719 project. Your project should complement the beauty of your home, and not be a foreign element. The washington state department of transportation wsdot makes these documents available on an as is basis. Structural bridge design bridge analysis software autodesk.

Lrfd bridge design specifications, 5th edition with the 2010 interims. Analysis and design of link slabs in jointless bridges with. It is not intended to replace the aashto lrfd bridge design specifications or any other design guide or regulatory code. The intent is to provide guidance as well as an interpretation of aashto lrfd bridge design specifications specific to new mexico bridge design. This help file describes input and analysis features of slab bridge designer 2. Due to various restrictions on placing files in this manual onto the internet, portions. This document presents guidelines for designing bridges in texas. This document is disseminated under the sponsorship of the u. The first example is of multigirder form, the second is of ladderdeck form.

The dead load is nothing but a selfweight of the bridge elements. Design of reinforced concrete bridges department of civil. Interstate and trunklines use hs25 loading for all structures carrying interstate or trunkline routes, and on and off. The purpose of this policy is to compile the policies and procedures that govern project location, design, and environmental evaluation into one comprehensive manual. In suspension bridge, the deck slab is suspended using ropes, chains or high tensile strength steel cables. The design of composite slabs and beams is discussed in detail in relation to the eurocodes and bs 5950. It provides policies, procedures and methods for developing and documenting the design process. Uhpc in bridges in florida florida department of transportation. Please direct any questions on the content of this document to the bridge design section director, bridge division, texas department of transportation. Pdf format of boring logs, and other subsurface investigation data ctp, etc. This manual is intended to be a guide for engineers working on bridge design projects for the wvdoh.

The first example is of multigirder form, the second is of ladder deck form. Although the experimental research and testing was directed at castinplace posttensioned decks on precast concrete girders. Manual bdm are the basic documents used to design highway bridges and. Past experiences from construction failures and learning lessons. 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. Due to simplicity of design and construction, the concrete slab structure is relatively. Bridge deck protection system and future overlay requirements pdf, 169kb 052017. 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. Design of bridge slab spreadsheet engineering books. Perform integrated loading, analysis, and code checking of small to mediumspan bridges. It is the first design load to be calculated in the design of bridge.