Ndesign of bridge deck slab pdf free download

The aashto lrfd bridge design specification suggests three different methods for the analysis of bridge decks for slabonbeam systems. Slab on metal deck analysis and design both composite and form deck per sdi and aci 31899. Use of the modified model for bridge tee and knee joints, design equations, a set of prescriptive design steps in a readily applicable form, and reinforced and prestressed concrete bridge joint. Design and construction of a reinforcement free concrete bridge deck on precast bulb tee girders. Voided slab and beam and slab bridges are used for larger, single or multispan bridges. Kansas department of transportation design manual volume iii us lfd bridge section version 109 5 1 1 5. Problem of design of deck slab bridge part 12 youtube. Guidelines for design of design of deck slab bridge part 12 leading waves. The reinforcement of slab can be carried out by one of the following design codes. Bridge design bridge design books for bs 5400 and eurocodes. Development of optimal concrete mix designs for bridge decks. In addition to this, during construction of the bridge, we established practices for traffic control in.

The design principles of a solid slab bridge deck may be illustrated by the following illustrative example. The transverse free edges of the concrete deck slab may need to be strengthened or supported by. Guidelines for design of design of deck slab bridge part 1. Trbs second strategic highway research program shrp 2 report s2r19arw2. A comparative design of reinforced concrete solid slab bridge for different spans g.

This chapter also addresses corrosion protection measures. Dec 02, 2017 click the below link to download the notes for nominal fee. Free cad detailsthese cad drawings are free download now. Trais the university of akron 302 buchtel common akron, oh 44325 sjn 4708 11. Computational analysis and design of bridge structures.

Concrete deck slabs on igirders, ubeams, spread box beams, spread slab beams, steel plate girders, and steel tub girders anchor. The large majority of bridge decks in the united states are built using castinplace slabs. Some of these programs have advanced functionality that not only helps you to create design of deck slab bridge pdf, but also uses the cost calculator to estimate the cost of the project. Bridge design standards deck slab and steel reinforcement placement author. Coffee shop floor plan pdf coffee shop floor plan autocad in 2019 cafe floor cafe design typical floor plan pdf file in 2019 cafe image detail for floor plan in 2019 coffee shop.

Concrete e slab or gir e bridges are implest form type of bridg ypes of cros. Design of bridge deck slabs using glass fiberreinforced polymer gfrp bars of different grades. Lrfd steel girder superstructure design example lrfd. 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.

Keywords bridge decks prestressing durability design criteria aashto. Slab bridge design free download as powerpoint presentation. Structures design office lrfd design examples files pdfs. Example on design of slab bridge design data and specifications superstructure consists of 10m slab, 36m box girder and 10m tgirder all simply supported. Pdf 3 analysis and design of deck slab satya narayana. Structural analysis and design of concrete bridges chalmers. Topics covered general overview old practice new practice memo 2017. One method of achieving this that is gaining popularity in recent years is the use of concrete link slabs. Past experiences from construction failures and learning. Except as specifically required by this standard, aci 318 shall not be applicable to the design or construction of composite steel deck slabs. Semiintegral construction may be used in lieu of expansion joints for single span bridges under 300 feet with the approval of the bridge design engineer.

Continuous span structural slab bridge, bridge deck s cracking, crack width, epoxy coated bars,s load testing, fiber. Steel bridge, deck design, concrete deck, precast concrete deck, wood deck, metal grid deck, orthotropic deck. View example in pdf format design example 2 download example as a mathcad workbook zip adhesive anchor examples. The link connects to the waterstones bookshop to buy online. The required passage may be for a road, athe required passage may be for a.

Design of bridges excel sheets free download category. Slab bridge design reinforced concrete strength of materials. Slab shapes 183k, pdf span by span 162k, pdf there are a number of different beam shapes in the u. Section 2 concrete deck slabs on igirders, ubeams, spread box beams.

The primary function of a bridge deck is to support the vehicular vertical loads and distribute these loads to the steel superstructure. Reinforced slab bridge designaashto allowable stress design. View example in pdf format design example 2 download example as a mathcad. Design steps for slab and edge beam a slab design span length span length, s centre to centre distance of the supports. Causes and mitigation, cdot report 998, the survey results on four bridges constructed by different concrete mixes indicated that there are still some deck cracking problems, although most of the decks do not have major cracks. 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. This help file describes input and analysis features of slab bridge designer 2. Slab and girder bridges are used when the economical span limit of solid slab bridges is exceeded.

Past manual notices are available in a pdf archive. These systems include fulldepth prefabricated deck panels and stayinpci journal. Design of a 170 m span bridge over the fjord thorskafjordur in iceland. Download bridge design excel sheet bridge design, free. Guidelines for design of design of deck slab bridge part 12 duration. Sep 07, 2017 the term deck slab is mainly related to bridge engineering, where the slab acts as a deck or carraigeway for the vehicles to commute.

Download free sample and get upto 48% off on mrprental. 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. Tech scholar, structural engineering, malla reddy engineering college autonomous, secunderabad. 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. Reinforced concrete slab design using the empirical.

View deck slab bridge design ppts online, safely and virus free. Foss in the bridgedeck slab over and between the girders. Lrfd steel girder superstructure design example concrete deck design example design step 2. Hambly covers methods of analysis of various types of bridge decks. Following that a more detailed design of the superstructure is performed. Conventional slab ongirder design often utilizes the longitudinal steel reinforcement in the deck to resist the negative bending moments created at the internal piers of continuous bridges. Lrfd bridge deck design bridge deck design requirements are covered under idm chapter 404. Pdf steelconcrete composite bridge design guide researchgate. Structural analysis, design of bridges, concrete structures, finite element analysis. Structural bridge design bridge analysis software autodesk. Download these free autocad files of construction details for your cad projects. Nudeck an efficient and economical precast prestressed.

Bridge design manual lrfd 22 txdot 012020 chapter 2 limit states and loads section 1 limit states section 1 limit states importance factor classify all bridge designs as typical bridges when applying the operational importance factor. The provisions in this article are meant for slab type bridges and their purpose is to limit deflections under live loads. Ramakrishna2, associate professor, department of civil engineering, malla reddy engineering college autonomous, secunderabad. Loading single lane of class 70r or two lanes of class a. This note discusses the use of the steel free concrete bridge deck technology in continuous span bridge structures.

A comparative design of reinforced concrete solid slab bridge. Nov 23, 2015 components of slab bridge slab footing abutment slab edge beam fig reinforced cement concrete slab bridge stringer 14. Guidelines for design of design of deck slab bridge part 12. Design of bridge slab spreadsheet engineering books. Unfortunately, this book cant be printed from the openbook. This design guide provides a procedural outline for the design of basic slab bridges using the lrfd code and also includes a worked example. Bridge detailing guide the texas department of transportation. If you still want to download it, its not free please click th. Deck slab design spreadsheet civil engineering community. Introduction scope and background a bridge is a construction built to span physical obstacles such as a body of water, valley, or road, for the purpose of providing. Link slabs are used over the piers developing jointless decks while adjacent bridge spans remain simply supported. In circular voided decks the ratio of depth of void depth of slab should be less than 0. Bridge design spreadsheet download free bridge design spreadsheet. Click the below link to download the notes for nominal fee.

Analysis and design of link slabs in jointless bridges with. The michigan department of transportation incorporates link slabs during deck replacements and deep resurfacing. 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. Bridge design guide the texas department of transportation ftp. Cracking behavior of structural slab bridge decks january 2015 6. Superstructure is the portion of bridge structure above the substructure level viz.

For longitudinal beam bridges, two conditions are checked in the transverse direction to design the deck reinforcing steel. Edition elastic plate analysis and design of slab foundations. These cad drawings include more than 100 highquality dwg files for free download. Section 8 pretensioned concrete slab beams and decked slab beams. A 2 2area 2 a c 2 2 posttensioned concrete design table 11 list of symbols used in the aci 31808 code cp area enclosed by the outside perimeter of the section, in a g gross area of concrete, in a 2 l total area of longitudinal reinforcement to resist torsion, in a o area enclosed by the shear flow path, sqin a oh area enclosed by the centerline of the outermost closed. Pdf design and construction of a reinforcement free concrete. Let the crosssection of the deck be assumed as shown in fig. In this thesis analysis and design of prestressed concrete bridges deck slab. 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. In case of slab bridges the difference between deck level and affluxes hfl shall not be less than 1.

Debris accumulation in the joints can restrain deck expansion, causing undesirable forces in the deck and damage to the structure. A fullscale model of a continuous bridge deck slab with double cantilever was tested at the university of manitoba, canada 1, to examine the behavior and the ultimate capacity of typical bridge deck slabs reinforced with cfrp. After reading this article you will learn about the design of slab and girder bridges. This manual documents policy on bridge design in texas. Bridge design standards deck slab and steel reinforcement. Design manual for bridges and structures sixth edition, 2016 nj. Download from so many useful civil engineering files for free. Design of deck reinforcement, including flexural resistance, limits of reinforcement, and control of cracking is based on aashto lrfd bridge design specifications 5. This document is intended as a design manual for the application of grillage analogy method for the bridge deck analysis. Structural bridge design bridge analysis software integrates loading, analysis, and code checking aashto lfrd, eurocodes, and more throughout the project. However, the situation is preferable to that of jointed decks. Maintenance of bridge deck joints is a costly problem.

Only the design of slab bridge will be used for illustration. Pdf computational analysis and design of bridge structures. Fshape barrier into the slab qualify as shear reinforcement strengthening for the outside edges of slabs. The elpla limit edition allows users to easily create projects for analysis and design slab floor or raft foundation. Materials with high tensile strain capacity, such as fibre reinforced concrete frc, can be used for application in the link slab to improve the. Guidelines for the design of small bridges and culverts. Pci has developed preliminary design charts in accordance with the aashto. Another concern with the concrete used for bridge decks is the chloride permeability.

Aashto lrfd bridge design specifications, fifth edition with 2011 interim revisions. The deck is typically continuous along the length, and across the width, of the span of the bridge. This design should always be used unless approval to use a thinner deck is obtained from the state bridge engineer. The theoretical principles has been expounded in the book of edmund c. Design step 4 design of deck prestressed concrete bridge design example task order dtfh6102t63032 41 design step 4 deck slab design design step 4. Link slab deck joints there is increasing pressure on bridge designers to minimize joints on bridge decks in order to reduce maintenance and longterm rehabilitation costs. There are significant differences between the behavioural aspects of a skewed deck slab and a straight one. Behavior and design of link slabs for jointless bridge decks.

If you need to print pages from this book, we recommend downloading it as a pdf. The following design method can be used for normal weight concrete with specified compressive strengths up to 15. What is the difference between a deck slab and a solid slab. Policy for archiving bridge design notes in txdots bridge inspection database management system. During the last several years, bridge engineers have designed different. Download reinforced concrete strip footing design excel sheet for free. References to lrfd design specifications refer to the current aashto lrfd bridge design. For simply supported spans, this limit is generally found to be nearly 10 metres and for continuous or balanced cantilever type. Refer to districtspecific corrosion protection requirements for regions where bridge decks are exposed to deicing agents andor saltwater. For deck with a 7 structural slab plus 2 wearing course. Design procedures for prestressed concrete bridge decks. Design procedures for prestressed concrete bridge decks author. In situations where the bridge skew exceeds 30 degrees, consult the bearing and expansion joint specialist and the bridge design. Hambly, bridge deck behaviour, chapman and hall, 1976, first edition e.

Njdot design manual for bridges and structures 6th edition, 2016 i. Design of reinforced concrete bridges department of civil. This serves as the final report on transportation pooledfund program project no. The deck may consist of 3 girders spaced at 2, 45 m. Concrete deck slabs can be constructed with castinplace or precast methods. The goal of the study was to implement the most costeffective. Department of civil and environmental engineering virginia polytechnic and state university vctir project manager. Deck overhang design braden cyr bridge engineer may 17, 2017 bridge office mndot.

Structural design guidelines for concrete bridge decks. Scribd is the worlds largest social reading and publishing site. Design guidelines for bridge widenings, steelreinforced elastomeric bearings fo r pretensioned concrete beams, stru tandtie method, and culverts. This system used load and resistance factors to ensure a stable bridge with sufficient strength. Civil engineering to provide a passage over an obstacle like a water body, a valley, canal or a road structure is built across that obstacle to span a space and allow the easy movement of the concerned bodies over those obstacles, such a structure is named as bridge. Deck overhang design minnesota department of transportation. Bridge design reinforced concrete bridge deck design. Autocad blocks of construction and architectural details. Design a solid slab bridge superstructure having a clear span of 9. Design recommendations for bridge deck slabs reinforced by frp. Problem of design of deck slab bridge part 12 duration. On the internet you can find deck design software, which will help you create your own unique project. Autocad construction details free download, architectural. This slab beam detailing and bar bending schedule spreadsheet will focus on how.

Applying these provisions to the design of deck slabs rarely controls deck slab design. Structural design guidelines for concrete bridge decks reinforced with corrosionresistant reinforcing bars abraham lama salomon graduate research assistant cristopher d. Free cad detailsthese cad drawings are free download now spend more time designing, and less time drawing. Slab bridges are defined as structures where the deck slab also serves as the main loadcarrying component.

Online users can click here to view this illustration in pdf. 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. Download design of bridge structures by jagadeesh, t. Concrete highway bridge deck construction 345r5 fig 2.