Deck slab design procedure

Heagler Nicholas J. 640 klf uniformly distributed PCI MANUAL FOR THE DESIGN OF HOLLOW CORE SLABS SECOND EDITION by Donald R. 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. . Porter* and C. McCUTCHEON, Engineer and ROGER L. PROCEDURE FOR DESIGN OF GLUED-LAMINATED ORTHOTROPIC BRIDGE DECKS By WILLIAM J. (EN 1992-1-1) for the design of concrete structures, (b) EC3 (EN 1993-1-1) for the design of steel structures, and (c) EC4 (EN 1994-1 -1) for the design of composite steel and concrete structures. 1 Metal deck manufacturers are eager to be a resource for designers. Composite slabs, as a part of composite steel Page 6 of 7 10/2017 BRIDGE DESIGN LRFD MANUAL TABLE OF CONTENTS Appendix B – Standard Drawings B13. For a roof to be effective, surface water should be discharged quickly without ponding or stagnation. There are many types of profiled steel sheet used in composite slabs; these types been evaluated from the test procedures given in Annex A of this Eurocode. 22. TEST PROGRAM The test program included two large test specimens of composite construc­ tion, one being a continuous rein­ forced concrete deck slab cast on two A residential post-tensioned concrete slab will typically be 8 inches thick and use 3000 psi concrete. F = DsE/L, psi. 2. In addition to designing the deck for dead and live loads at the strength limit state, the AASHTO-LRFD specifications require checking the deck for vehicular collision with the railing system at the extreme event limit state. that should be used in design: • Where the slab acts compositely with a beam, or is used as a diaphragm: o the overall depth of the slab h ≥ 90 mm; and o the thickness of concrete above the main flat surface of the top of the ribs of the sheeting hc ≥ 50 mm. Prepared for the PCI Hollow Core Slab Producers Committee John E. These are Step-by-Step Outlines for Bridge Design & Construction Procedure :-Appointment Stage. 4. 1. The deflection of cantilevered deck as a form, as determined by slab thickness . 6 Apr 2016 will be as per the procedure given in IRC:SP:42. Ds = Strain, inches obtaining a unified design procedure for steel-deck concrete composite floor systems (Sabnis, 1979). Some decks are designed so that their ribs provide re i n f o rcement for the slab—other designs do not. 12. 3. Transverse bending moments in the bridge deck 92 6. Obtaining Client Appontment and Terms of Reference; Preliminary Design Stage. 7m. 2. 1 Precast Prestressed Concrete Panel Forms - Design. Tests were conducted with BubbleDeck slabs of 230 and 450 mm. Typical forms of shear connection in composite slabs 2. SEISMIC ANALYSIS PROCEDURE: EQUIVALENT LATERAL FORCE PROCEDURE METAL ROOF DECK AND COMPOSITE CONCRETE SLAB ON METAL THE FOLLOWING PORTIONS OF THE STRUCTURAL DESIGN WILL NOT BE  Within ComFlor® 9, two fire design methods exist. The proposed slab system must meet the current code. 500 0. Load analysis 92 6. W. ▫ modular placement of the formwork deck on the modular system. 12 – PVC coated strips for perimeter terminations. 2 VERSION 6. according to procedures established and monitored by the Transportation Research . 3 placement of new deck slab systems with steel pan decks are sloped similarly, sloping the steel framing and steel deck and/or sloping the concrete slab cast on the steel pan. 0 • Composite and Non-Composite Design Guide www. To effectively control . The analysis Design Procedure The basic design procedure of a two-way slab system has five steps. Establish the axial load, Design Of Reinforced Concrete Structures ii Two-Way Slabs 1 1. 10 Effective Width of the Concrete Slab 2-14 . 1. 5. An integrally with the deck slab. 16 • 17 Three nu­ merical design examples are included to demonstrate the proposed design method. 500 12. Conclusion. The reduced weight of the slab will typical result in a change in design to longer spans and/or reduced deck thickness. T-beam bridge. C. The design procedure for composite beams follows ihe requirements of: (a) EC2. Department of Agriculture INTRODUCTlON Timber bridges have a long record of service in the secondary road systems of this country. 00 1. (SiP) formwork elements, aiming at the minimization of the composite slab cost optimum (minimum cost) design procedure for permanent TRC formwork  plified design procedure. 3. . Nirmalan A Thesis Submitted to the Graduate Faculty in Partial Fulfillment of the Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. 1 Corps of . txt) or view presentation slides online. Obtain Local Regulations on Design Codes, Loadings, Restrictions, Bylaws • The deck is made composite with the supporting structural components Yes Select Reinforcement The slab configuration satisfies the necessary design conditions. abutments that do not meet the design guide criteria, these figures may not accurately reflect the final abutment design. General 1. normal weight concrete above the deck, for fire protection and mass. The dynamic response of bridge deck for moving loads is analyzed as per British Standard Code of Practice BSCP-117 Part-II – 1967. to extend the life of a concrete slab or pavement, bridge deck or other structural slab. The form is supported from below by any metal deck. Bouras, Inc. Some of the cracks have since been patched, though proper procedure. Current Practice In today's practice composite slab systems use metal deck rolled to form channels running in one direction. The slab is usually provided with square mesh steel reinforcement at, or above, mid depth of the slab to minimize cracking due to shrinkage and temperature effects and to help distribute concentrated loads. 2 Slab on Precast Pretensioned I Girder. 3 includuing lane load. The most common example is when a reinforced concrete deck slab is poured on top ACI - 318, that define the concrete design procedures and calculations. General - All Deck Products slab to carry the design loads applied during the life of the build-ing. , Summit, New Jersey 07902-0662, USA ABSTRACT The Steel Deck Institute (SDI) of the United States has synthesized the research and testing done on composite slabs and is ready to present a design rationale based on 3. Gopalaratnam, John Meyer and Kenny De Young – UMC Abdeldjelil Belarbi and Huanzi Wang - UMR 9. 6. It has been. This slab system is overdesigned and inefficient because the design procedure usually follows the conventional assumption as is done in conventional design method. Vellore S. the resistance of a BubbleDeck slab in normal design situations and, to control this . direction), even though the slab and the decking may be continuous over the floor beams. The slab must be reinforced with four layers of isotropic reinforcement. 1A 32” Concrete Parapet with Thrie Beam Transition- w/o appr slab Furthermore, since β / n p is sensitive to small changes of key design parameters in the under-deck tendon system, it might be an adequate indicator in other studies when associated with this tendon system. pdf), Text File (. 1 The section properties for the steel floor deck (as a form in bending) shall be computed in accordance with the AISI Specifications. Property requirements of link slab materials and ECC properties slab deck. G. Design a typical floor beam with 3 in. Saccoman, Chairperson James Beerbower Ernest Markle Kevin Boyle James Markle Jeffrey Butler Milo J. TUOMI, Engineer Forest Products Laboratory1 Forest Service U. The deck slab is designed as a continuous slab over the longitudinal girders similar to slab and girder bridges. The capacity of the composite slab in fire may be calculated using either 'Mesh and Deck Method' (mesh only  Find your deck slab easily amongst the 69 products from the leading brands ( POLIESPANSO, RECTOR, ) on ArchiExpo, the architecture and design specialist . standard concrete deck slab design & details for beam bridges. The slab moments from FEA agreed reasonably well with the interlocking the steel deck and the concrete slab, the deck became the positive moment reinforcement in the reinforced concrete slab. Design of deck reinforcement, including flexural resistance, limits of reinforcement, and control of cracking is based on AASHTO LRFD Bridge Design Specifications 5. Even prestressed girders can have a different Modulus of Elasticity from the from the deck slab concrete. Steps to be followed in the design of slab. LRFD Slab Bridge Design Procedure, Equations, and Outline . Assumption for steel reinforcement and performance with time 94 The design curves by M. Link slab  construction and effective design solutions. - 6 in. Deck slab design 92 6. 2 of IS 456) The effective span of a slab depends on the boundary condition. ) drip s3 (typ. The following concrete deck design criteria are obtained from the typical superstructure cross section shown in Figure 2-1 and from the referenced articles and tables in the AASHTO LRFD Bridge Design Specifications (through 2002 interims). figures to illustrate the various design procedures and many AASHTO references. Example I-1 Composite Beam Design Given: A series of 45-ft. Revisions Conventional design of concrete link slabs leaves the old/new concrete interface as the weakest part of the bridge deck system. actually a one way slab satisfy the The first design step for a concrete bridge deck is to choose the correct design criteria. Step 2 Design forces Draw panel of slab and indicate maximum design moments, shears and in- In addition to the performance, the analysis and design of composite deck slab behaviour is complex due to the partial interaction between metal deck and concrete. 10. 18 gage composite deck, and 4½ in. Member Name: Since this is the input for the the exterior portion of the slab use “Exterior Slab” for the name. ) drip Engineers who design slabs on metal deck aren’t thinking about the contractor; they don’t have any real design guidance concerning deflection or crack control or how the tolerances can be different between the concrete and the steel. DESIGN RECOMMENDATIONS FOR STEEL DECK FLOOR SLABS M. 6 m and super imposed commonwealth of pennsylvania. The aim of this project is to try and illustrate the methods used for flat slab design using ACI-318, NZ-3101, and Eurocode2 and IS: 456 design codes. c o n c rete   Read chapter 4 Bridge Decks: TRB's second Strategic Highway Research Program (SHRP 2) Report S2-R19A-RW-2: Design Guide for Bridges for Service Life  steps included are general information, deck design, prestressed concrete . McCabe1 The enclosed example is presented to demonstrate the intent and use of the AISI "Tentative Recommendations For The Design of Composite Steel Deck Slabs," and hereafter will be referred to as the criteria. Fig. 7. 2 For slab design, where the primary strips are longitudinal, the force effects shall be determined on the following basis: The longitudinal strips shall be designed for all loads specified in AASHTO Article 3. However, these examples do not necessarily provide a complete procedure for foundation design as they are not bridge deck slab design procedure - Free download as Powerpoint Presentation (. ~ INTRODUCTION Cold-formed steel deck sections are used in many composite floor slab applications wherein the steel deck serves not only as the form for the concrete during construction, but also as the principal tensile For nonstandard roadway cross sections, the deck slab is designed like a full depth CIP deck slab and detailed as before for standard roadway cross sections within the limits of panel width given in EPG 751. 1 Oct 2000 Bottom of Slab Elevation Table for Girders with Precast Deck Panels includes design guidelines, plates, and administrative procedures  objective in structural analysis and design is to produce a structure . The beams are ASTM A992 and are unshored. E dge beam design is required for bridges with open joints and possibly at stage construction lines. Carrying in  Voided biaxial slabs, sometimes called biaxial slabs, are a type of reinforced concrete slab The containers are produced in a variety of shapes depending on the design of the slab. Once the concrete has gained strength to 2000 psi, typically within the 3 to 10 days recommended by PTI, the tendons are stressed. Using tapered insulation to create gradient is not recommended for split-slab assemblies because it limits the types of waterprooing membranes that can be used, it can be more readily damaged, 13/3/2015 Contents: 1) Abstract 2) Introduction 3) Composite Deck Bridge a)The structural components of composite bridge b)Advantages of composite deck bridge 4) Design Procedure 5) Literature Survey 6) References 3. Assume the thickness of slab (take 4 cm per metre run of the span). (a) Effective span (cl. 7 How the Program Optimizes Design Groups 2-9 . Common designs include In a typical casting procedure, a decking of formwork is constructed out of metal or wood. Assuming suitable bearings (not less than 10cm), find the span of the slab between the centers of bearings. may be a composite metal deck slab with ribs perpendicular here complement the composite beam design tables provided DESIGN PROCEDURE. Widjaja Dr. Onsite construction work procedures. 000 0. The design of a composite beam involves a number of choices. The final assembly of an . Reinforcement shall be located as close to the outside surfaces as permitted by cover requirements. Members Login BubbleDeck® Design Guide GENERAL BubbleDeck, a unique light, biaxial concrete slab, is generally designed using the conventional design methods for solid floor slabs in accordance with the current reinforced-concrete construction standard DIN 1045 (1988) or DIN 1045 (2001). 2 Bending stress in the deck shall not exceed 0. The following is a step-by-step summary of the procedure to implement these formulas to estimate displacement capacity of such piles: 1. University of Michigan, 2005. A RCC deck slab is to be constructed over a channel on a national highway for Class AA tracked vehicles. The depth of the slab and areas of steel reinforcement are to be determined from these two aspects. April 2013 NMDOT BRIDGE PROCEDURES 1-1 AND DESIGN GUIDE CHAPTER ONE GENERAL INFORMATION The New Mexico Department of Transporta-tion uses the Current Edition of the AASHTO The design of composite slabs and beams is discussed in detail in relation to the Eurocodes and BS 5950. A design procedure for carrying out detail design of slab may be list out as follows; With Wisdom We Explore Design Procedure www. Nagy 1 and István Szatmári 2 Technical University of Budapest, Department of Steel Structures H-1521 Budapest SUMMARY There is an enhanced intention imposed on building construction industry to improve time and structural efficiency of structures. any relevant aspects in the design procedure, designers. , the link slab) while underlying gird- MDOT design also follows the procedure developed by Caner and. 2 Overwriting the Frame Design Procedure for a Composite Beam 2-8 . tinuous deck over the piers (i. The variables for a composite deck slab include span SIMPLE SPAN REINFORCED CONCRETE SLAB BRIDGE INPUT: VERSION 6. Edge forms are equal in height to the curbing and are braced externally from joists extending beyond the deck width. Details of the a complete bay of suspended floor slab, and. 7. Concrete footing design, footing design, footing detail, and continuous footing all follow the same design procedure. Becker Computerized Structural Design, S. very powerful tool by virtue of the relatively simple procedures involved leading to. In addition, the Inactive Design Memorandums have been incorporated into the latest revision of the Bridge Design Manual. The design of deck slab supported transversely on the precast girder will be carried. 4 Profiled Steel Sheeting as Permanent Formwork (Composite stage) Verification is required for the floor slab after composite This material is to be used for training purposes only. Geometry Use a minimum thickness of 3 feet for the abutment stem. For direct  1 Aug 2001 providing continuity to the deck slab only, whereas full continuity involves the . ￿tel-00474728￿ 5. For the design of  allowing straightforward construction of standard truss designs . 2 Metal deck can be tailored for spe-cific structural, acoustical, and aes-thetic needs. The reduced intrinsic on girders or the three elements of a longitudinal slab on floor beams supported by girders. 14. For this purpose, new deck profiles that can have a longer span and better interaction with the concrete slab are investigated. 3) one foot from the end of slab satisfies these requirements. Tendons today are seven high-strength steel wires wound together and placed inside a plastic duct. This document does not and design. Oesterle and A. Download structural analysis software DECKSLAB 1. The provisions in this article are meant for slab-type bridges and their purpose is to limit deflections under live loads. The codes governing the design of the one-way slab will be ACI 318-02 and IBC 2003. Applying these provisions to the design of deck slabs rarely controls deck slab design. 225 0. Easterling, Chairman Department of Civil Engineering (ABSTRACT) As cold-formed steel decks are used in virtually every steel-framed structure for composite slab systems, efforts to develop more efficient composite floor systems continues. Concrete Deck Slabs on I-Girders, U-Beams, Spread Box Beams, Spread Slab Beams, Steel Plate Girders, and Steel Tub Girders ♦ Materials ♦ Geometric Constraints ♦ Design Criteria ♦ Detailing 3. and construction of the bridge deck, abutment, and foundation, as well as by the Hence, the approach-slab design and the type of abutment and founda-. Porteri, Summary A strength analysis procedure was formulated for five full-scale two-way test slabs reinforced with composite cold-formed steel decking. Zia (4). 3 In composite floor decking, fire rat-ing requirements typically control both concrete type and slab thick-ness selection. 13 ANALYSIS AND DESIGN OF DECK SLAB 0. Distribute moments transverse at critical sections to column and middle-strip and if the weak pipe/slab joint. A complete design example illustrates these considerations following a general discussion of the principles. extending into the slab . 500 1. 0 ksi. 11. Elremaily Construction Technology Laboratories, Inc 5400 Old Orchard Road, Skokie, IL 60077 DESIGN CRITERIA There are three criteria which must be considered for the design of a conventional one -way slab system: 1. design is based on decks supported on 3 or more beams. Performing Organization Report No. ppt / . , an open longitudinal joint is required. Materials. Durability Parameters 94 6. Take advantage of their resources. 0 Revision Log B13. Concrete Deck Slabs on Adjacent-Framed Beams (Slab Beams and Box Beams) ♦ Materials corrode the steel deck which has been redesigned as the slab reinforcement. In general, the design of slab become more simpler because compression reinforcement are often not required and the shear stress are usually low except when there are heavy concentrated load. 6 Footing Design Examples The footing examples in this section illustrate the use of ACI 318-05 for some typical footing designs as well as demonstrate the use of some design aids included in other chapters. Pigeaud, are used to get Moment Coefficients in two directions for the deck slab. Under-deck post-tensioned TCC bridges are efficient structures that combine post-tensioning technology and TCC systems. 6 times the yield strength with a maximum of 36 ksi 2 V1. 6 SUMMARY Proper design of falls in reinforced concrete flat roofs is most important in creating flow paths to suitable discharge points. Click the below link to download the notes for nominal fee https://imojo. Negative Composite Slab design software. The following design method can be used for normal weight concrete with specified compressive strengths up to 15. Members Login Design of Bridge Decks Design of Doubly Reinforced Slab . The effective span is 4. 39. In addition, the deck also acted as the formwork for the concrete. achieved for live load plus impact moments by use of non-prestressed reinforcement in the deck slab and in the diaphragms over piers. STRUCTURE guidelines for design and construction of decked precast, prestressed concrete girder bridges final report prepared for 3. In composite bridges , girders are provided with camber to resist the following : 1. At present the flanges and web thickness of the bridge girders are neglected when the design of the slab is done in practice (Figure 1). As a contractor, therefore, don’t be afraid to talk to the To cater for varying moments at different sections, the thickness of the top or bottom slab is varied depending on whether positive or negative moment is to be resisted. The reason is that the girder concrete my be a 6,000 psi mix design and the deck slab concrete may be as low as a 3,000 psi mix design. Bending will take place in the two directions in a dish-like fo Application of ECC for bridge deck link slabs concrete link slab design procedure and construction flexural property of Eco-HDCC with preloading stress level of 0. Explain the step by step design procedure of the interior deck slab bridge. S. 2). The concrete has f′c = 4 ksi. This provides temporary  Existing design procedures for the calculation of long-term deflection fail to . Deck slab dead load defl Structural Design. In an illustrative example, the effect of the updating on the life-cycle reliability estimate of existing RC deck slab in a jetty structure subjected to the chloride attack is presented. This revised Stramit Condeck HP® Composite Decking. the profiled deck in non-composite stage is less than l/325 or 20 mm, whichever is smaller, then the ponding effect may be ignored in the design of profiled deck. loads and L is the design length of the link slab deck, and proposes a simple design method for the link slab. This is a Steel roof deck is the predominant structural component used in has become known as a composite slab and the steel control procedures are in place that specify the tolerance limits. 1 Solid Slab or Deck Ribs Oriented Parallel to Beam Span 2-53 . S. Due to the presence of a link slab debond zone (part of the link slab is debonded from bridge girder to provide hinge flexibility), this interface also experiences high stress concentrations. The cracks in the balusters extend into the bridge deck slab. In this paper the design of prestressed girder elements are discussed . However, the following aspects are to be decided first. 17. demonstrate procedures. Archived Design Memorandums - if there is an old design memorandum that is not listed on the table below and you would like a copy, please contact Alex Kocik. The assembly procedure is illustrated in Appendix B. Cantilever reinforcement details for partial depth P/C P/S panel deck slabs are 5. L. The effects of concrete strength on steel-deck-reinforced slabs by Dushyanthi R. Its limitation lies in the practical range of span lengths and maximum skews for its application. 4 - Select Slab and Overhang Thickness 5. ABC Concrete Bridges – Continuity Considerations Francesco M Russo, PE, PhD rebar are installed for deck slab. Inroduction When the ratio (L/S) is less than 2. Performing Organization Name and Address 10. Overview ♦ Introduction 2. for skew angles 75° and more, place transverse reinforcement in deck slab parallel to centerline of bearings. A procedure for carrying out the detailed design of flat slabs is shown in How to Design Concrete Structures to Eurocode 2 - Chapter 7: Flat slabs and Figure 1. This Standard for Composite Steel Floor Deck-Slabs, hereafter referred to as the Standard, shall govern the materials, design, and erection of composite concrete slabs design of flat slabs and given their guidelines in their respective codes. Guidance is DESIGN EXAMPLE ON COMPOSITE STEEL DECK FLOOR SLABS by Thomas J. Full composite interaction between metal deck and concrete makes the design procedure of composite deck system become simple and straight forward. 3 making decisions regarding both design and construction. Reliability analysis of a reinforced concrete deck slab supported on steel girders David Ferrand To cite this version: David Ferrand. my DESIGN AND CONSTRUCTION GUIDELINES FOR LONG-SPAN DECKED PRECAST, PRESTRESSED CONCRETE GIRDER BRIDGES FINAL REPORT Prepared for National Cooperative Highway Research Program Transportation Research Board National Research Council R. in/2rfcgw Efficient composite floor systems can be obtained by optimally utilizing the materials, which includes the possibility of developing long span composite slab systems. Nimmer Loris Collavino William C Two-Way Analysis of Steel-Deck Floor Slabs Max L. Steel-Free Hybrid Reinforcement System for Concrete Bridge Deck University of Missouri-Columbia (UMC) and University of Missouri-Rolla (UMR) 7. in this tutorial 1st we will learn What is one way slab? then we will go ahead for design process . Analysis and design of steel-deck-reinforced concrete diaphragms by William Samuel Easterling A Dissertation Submitted to the Graduate Faculty in Partial Fulfillment of the Integral Abutment Bridge Design – LA 160 Bridges Project Zolan Prucz, PhD, PE, Buck Ouyang, PE and Jason Miles, EI, Modjeski and Masters, Inc. may follow the procedure as for deck slab for R. The test results form the basis for current one-way composite slab design. 5 can be adopted for Design of Bridge Decks Design of Doubly Reinforced Slab . 0 ksi fy = 60 ksi Design Thickness The IDOT standard slab thickness is 8 in. RCD:- One way slab design / design of a one way RC slab. Design (Deck as a Form) 3. 5. 4 developed by Alex Tomanovich. Table 8. The detailed procedure of design of one-way slab is taken up in the next section. A procedure to update the transition probability matrix by the Sequential Monte Carlo Simulation method is indicated. Composite Bridge Design Procedures. Some of the procedures, field tests, and other operating procedures as described within these pages may EXAMPLE CALCULATIONS For this and all other example problems the following data from the Canam - United Steel Deck Design Manual and Catalog of Steel Deck Products will be used and are worked using LRFD methodology. factored moment = 19. detail all bars on the contract drawings. below. The performance of ECC link slabs was evaluated by testing full-scale sections of link slab specimens. 9 Output Stations 2-13 . This is based on dowel-connection, such as hollow-steel piles or prestressed concrete piles connected to the deck slab with dowels. Me- chanical bond of the steel to the. For carrying out this project an interior panel of a flat slab with dimensions 6. The design procedure includes determini ng slab thickness based on moving live loads and then checking adequacy of slab thickness for stationary live load. Design Step 2. 1 The design procedure. For the purpose of slab design, the lane load consists of a load equal to 0. Formwork for a slab deck is like that for any other slab; sheathing of metal, wood, plywood, or other material is supported on joists and stringers. What are the steps to design a plan of a building if the floor slab as well as the roof slab  procedures, all bridge decks shall be designed as continuous and without design of concrete deck slabs that are within the limitations outlined for its use. ) s1 so l drip notch 1 s7 3 s2 t 2 s7 3 so drip notch 1. 750 RCC T-BEAM 3. o/c are carrying the loads shown below. 2 May 2019 A standard deck is defined as a deck slab on longitudinal beams with main LRFD Deck Slab Design Procedure, Equations, and Outline. English. Determine moments at critical sections in each direction, normally the negative moments at supports and positive moment near mid-span. composite beams may be built up in ways that minimize. 4. SDI MANUAL OF CONSTRUCTION WITH STEEL DECK 2 3. ascsd. 18. Ekberg, Jr. F. pptx), PDF File (. The design procedure separately incl udes determining thickness of slab under wall load. l s1 2 s2 t * notes: * underside of deck slab may be constructed level. falls into the same procedure as most design problems; "experience",. bridge deck slab design procedure - Free download as Powerpoint Presentation (. They are provided to document and clarify the evolution of the Bridge Design Manual. In lieu of this procedure, the specifications allow the live load moment per unit  24 Nov 2018 Steel Deck Slabs," and hereafter will be referred to as the criteria. design specifications: modular ratio (e /e ) n = 8 s1, s2, s5, and s6 bars s4, s3, s3', and s7 bars 8. and United Steel Deck, Inc. t s7 3 l s2 so notch s1 2 s3 (typ. However, the Ontario design method is not an approved Wisconsin bridge deck design method. 1 Scope: A. Purpose Of BridgePurpose Of  This guide covers the design and construction of composite slabs and beams, This Section provides information about design principles and procedures,. Slab on metal deck analysis and design (both composite and form deck) per SDI and ACI 318-99. 3 STEP-BY-STEP DESIGN PROCEDURE FOR SLABS Step 1 Analysis Carry out analysis (follow Section 3. single span units requires design considerations that also include the effects of creep and shrinkage. Reliability analysis of a reinforced concrete deck slab supported on steel girders. Calculate the net effective width of dispersion for two wheels of class AA tracked vehicle by effective width AmericAn nAtionAl stAndArds institute/ steel deck institute STEEL DECK s INSTITUTE ® 1. Determine Live Load Distribution Factor (4. 1 Location Where Effective Slab Width Is Checked 2-14 Concrete Footing Design Process. In the National Forests alone approximately Precamber is generally an upper convexity provided to counteract the deflection and stress produced during the life time of the structure. Only calculation of moments has different procedure. The elastically based procedures developed by For example, an anchorage in a bridge deck which may  2 Jul 2014 vertical concrete elements before completing the formwork design. department of transportation. Key Words Concrete bridge deck reinforcement, empirical design method, Ontario Highway Bridge Design Code 18. bridge deck design procedure is antion op for specific design situations. 1 Panel Features and Benefits Composite deck 3 inch deep, 36 inch coverage, 10 foot to 14 foot Optimal Span Range ANALYSIS AND DESIGN OF STEEL DECK – CONCRETE COMPOSITE SLABS by Budi R. DECK SLAB BRIDGE 1. edu. A concrete footing detail is the end result of footing design process following careful considerations of the type of soil, climate conditions, ground water, type of structure, usage of the 6. The fatigue cracking resistance, and design of link slab associated with the evolution of crack width, will be discussed. Computer programs were developed to predict the crack width and spacing in the deck and to calculate the vertical de- flection of the   c o l o r. Buettner and Roger J. For skewed bridges, increase the abutment thickness to maintain a minimum of 5 inches between the beam end and the approach slab seat (See Figure 11. considered. Composite slab with steel decking. Design Criteria for the Steel-Only Asymmetric Built-Up Section The compression force must equal the tension force. 8 Analysis Sections and Design Sections 2-12 . Monostrand Slab System. Title: Introduction of Transition Zone Design for Bridge Deck Link Slabs Using length requirement is then laid out in a design procedure based on results of  concrete girders and reinforced concrete decks with respect to three different bridge design standards. COMPOSITE SLAB DESIGN Zoltán V. 2 Fill out the fields as appropriate based on the information in the plans. It is recognized that the various types of structural systems have a greater or lesser degree of flexibility and deflection under plaza deck design live and dead loads. The proposed slab system must be able to be constructed at a reasonable cost. t s7 3 s2 so s1 2 notch s3 (typ. E. Bridge Design Manual - LRFD 1-3 TxDOT 07/2018 Chapter 1 — About this Manual Section 1 — Introduction 2007-1 April 2007 Revisions to the design criteria for concrete deck slabs on stringers, cast-in-place concrete slab spans, rectangular reinforced concrete bent caps and inverted tee reinforced concrete bent caps. 3 Current overlay design procedures. com 1. 0, slab is called two-way slab, as shown in the fig. A copy of the tables is provided in the Appendix and also Benefits of Bubble Deck Slab System: Saves 30 to 50 % weight compared to a corresponding solid slab – equal stiffness. Note: One-way spanning slabs should be treated as beams of unit width and Chapter 2 should be followed except for minimum shear reinforcement. In the design examples, the concrete below the top of the steel deck, the steel deck and the steel plate supporting the deck are neglected from calculations; together they constitute a few percentage points of the total stiffness. Due to simplicity of design and construction, the concrete slab structure is relatively economical. Accordingly, variable requirements on the plaza deck membrane system and the fill slab or interfacial isolation layers, are appropriate to proper plaza deck system design. step-by-step design procedure in this design report may be used for future reference on 6. The resulting combined section Steel Roof Deckand Floor Deck 2 how to series 2. The Empirical Design Method is based on laboratory testing of deck slabs. Installing rubber supports. span composite beams at 10 ft. (a) (c) (b) (d) Fig 3. 36. LRFD Deck Slab Design Procedure, Equations, and Outline Design Stresses f'c = 4. uthm. The longitudinal girders are designed by Courbon’s method. Comprehensive Design Example for Prestressed Concrete (PSC) Girder Superstructure Bridge Design Step 4 Deck Slab Design Design Step 4. If the out-to-out width of a slab bridge exceeds 45 ft. check the slab thickness using the provisions of S2. 500 The deck slab has been  26 Sep 2016 DESIGN & ANALYSIS OF DECK SLAB BRIDGE PRESENTED BY:PRESENTED BY: ANIMESHANIMESH; 2. for all girder spacings less than or equal to 9 ft. END ONLY of the footbridge deck these dowels extend into the deck slab to locate the. 17. Investigations on simply supported concrete bridge deck slab for IRC vehicle 717 loadings using finite element analysis International Journal of Earth Sciences and Engineering ISSN 0974-5904, Volume 04, No 06 SPL, October 2011, pp 716-719 was modeled and the reinforcing steel was ignored. Technical Manual Fire Design Procedure. A concrete sampling and testing procedure should be in place to verify the concrete  This page introduces the Bridge Design Manual – LRFD, which provides Section 3: Concrete Deck Slabs on Adjacent-Framed Beams (Slab Beams and Box  The Gujarat Roads and Buildings Department administers the design, construction, and maintenance of . Initial Conditions of the Bridge Deck Slab 94 6. and reinforcing ) is a solid one-way slab design problem using principles of concrete design. 20% concrete reduction in other components. The slabs were subjected to four concentrated loads. Obtian all Relevant Existing data. Thin-Walled Structures 16 (1993) 319-326 The Steel Deck Institute Method for Designing Composite Slabs Richard B. Author(s) 8. The steel girder built-up section and the steel-concrete composite slab form a very Vibrations Due to Human Activity”, for design information and procedure. Superstructure Design 1. e. 3 (typical rectangular beam design). 6 x 5. Concrete Slab Design Procedure. Design and construction of steel/concrete composite deck slab bridges . deck slab design procedure

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