Deck slab design example. 8 meters for edge strips.
● Deck slab design example 2. 5. department) slab bridge design example assumptions main reinforcements are placed parallel + 22 = 190 kN m Dead Loads Assume depth of wearing surface = 0 m Weight of wearing surface = 0 * 22 = 1 kN/m 2 Weight of deck slab = 0 * 24 = 11 kN/m 2 Weight of railing, post and Appendix B – Design Examples . 6. Illustration. 05 Expansion Joint Design 2. 4. 03 Bent 2 Piles Vertical Load Design 3. FHWA-RC-23-0004 . Calculate strip widths and equivalent loads. pdf - Free download as PDF File (. 344 kN. 03 Design Parameters 1. Total design bending moment for Dead Load and Live Load= EXAMPLE- SLAB BRIDGE. 4B. It includes bridge geometry, material properties, design load calculations for dead and live loads, and reinforcement details for the deck slab and kerb beam. Design a simply supported reinforced concrete deck slab using a unit strip method. The figure below shows a part plan of a composite floor. 5 kN/m 2 and knife edge load of 33kN/m . and TxDOT LRFD Bridge Design Manual 8" Slab with std. Calculate composite deck-slab strength and maximum unshored span tables for your composite deck configurations. 5 kN/m 2 and tandem axle load of 100kN (300kN/3m lane width). 0 kN/m2 (excluding slab self-weight) and a variable action of 3. 02 Flat Slab Design 2. 7. 3. The deck should also be designed to carry 30 units of HB load. 1 shows the typical sections of the solid deck Slab Bridge which contains components such as deck slab wearing coat, abutment and footing. 3) Computing dead loads from the slab, future wearing surface, and The document summarizes the design of a reinforced concrete deck slab for a bridge culvert. Design Step 4 – Design of Deck Prestressed Concrete Bridge Design Example Task Order DTFH61-02-T-63032 4-3. 75 m apart. Example Composite Deck; M. 04 Edge Beam Design 2. 1 SDI (page 52 Vulcraft catalog) – The composite slab shall be designed as a reinforced concrete slab with the steel deck acting as the positive reinforcement. To draw a solid connecting existing nodes; M. 1) DECK SLAB STRENGTH DESIGN Width of The deck slab bridge comprises superstructure as deck slab and supports as abutments. 3 Extreme Event Limit State (design of composite slabs with profiled steel decking - a comparison between experimental and analytical studies) 08. reinf. 2. Fig. ROOF DECK DESIGN TOOLS If you need to calculate loads, or analyze deck diaphragm shear and stiffness, and more, our Roof Deck Design Tools can help you find the answers you need. 5m beam spacing and uses the deck profile shown. The span-to-width ratios are such that these bridges may be designed for simple 1-way bending as opposed to 2-way plate bending. 11 - LRFD Slab Bridge Design 3. Design and detail the panel 1 of the building using the following data; Thickness of floor slab = 150 mm Concrete cover = 25 mm Characteristic variable load = 1. Maximum Shaer Force Calculation for IRC Class 70R Tracked Vehicle || Slab Bridge Design Manually || Part 3. Maximum bending moment for live load=163. 01 About this Design Step 4 – Design of Deck Prestressed Concrete Bridge Design Example Task Order DTFH61-02-T-63032 4-3 For this example, a slab thickness of 8 in. 3). 8 meters for edge strips. November 2023. (UHPC) Link Slab Design Example . gupta. Design of Voided Slab Bridge Decks. The slab is designed as singly reinforced to resist a bending moment of 267 kN-m using 20mm diameter bars at 150mm spacing. A composite steel deck is a structural concrete slab formed on a corrugated steel deck that acts as slab external positive bending reinforcement after the co Design Guides 3. 5 m and spaced 3 m apart. The document provides an overview of concrete deck slab design for bridges. Determine material properties and bridge geometry dimensions. - Materials and properties are specified for the steel sheeting and concrete. 1. It outlines the design process, which includes: 1) Selecting a deck thickness of 250 mm based on AASHTO requirements. 1 MULTI-SPAN PRECAST CONCRETE GIRDER MADE CONTINUOUS WITH COMPOSITE DECK This is one of the most common types of structures used for freeway bridges and overpasses. 1 - DECK DESIGN GENERAL INFORMATION Based on AASHTO LRFD Bridge Design Specifications 9. 5 This paper is basically concerned about the analysis and design of Deck Slab bridge by STAAD Pro using IRC Loading. The general arrangement of the floor plan of a building is shown below. 1] Use approximate elastic methods in [4. . Strength II limit state typically is not checked for deck designs. The mid-span bending moment is: kNm/m : The design vertical shear is: kN/m : 1) Bending resistance check: There must be full shear connection, so that the design compressive force in the concrete, Nc,f is : kN/m : The depth of the slab in compression, for full shear Composite slabs are made up of profiled steel decking and in-situ reinforced concrete toppings. the Mid Span: For this example, a slab thickness of 8 in. For instance, the 12b Example - Composite Slab (2). RSTAB 9 is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering. Steel Deck; Slab The design of one-way slab is simple and can be carried out easily. The solid deck slab casting is Slab on metal deck analysis and design (both composite and form deck) per SDI and ACI 318-99. Slabs shall be designed as simple or continuous spans under uniform loads The document provides design details for a single lane bridge deck slab and kerb beam for an irrigation project. FOREWORD In 2021, ultra-high performance concrete (UHPC) for bridge preservation and repair was rolled UHPC link slab bridge deck joint and support pier, existing section. SDI C-2017 Section 2. Four long span composite slab specimens of 20 ft span length, using two different types of deck profiles, were built and tested experimentally. Develop influence line diagrams and determine maximum shear and moment. 02 Bent 2 Cap Design 3. The bridge can be analysed similarly to a solid slab as long as the void diameters are less than or equal to 60% of the slab thickness and nominal transverse steel is given in the flanges. 4 developed by Alex Tomanovich. Publication No. m. 967 kN-m. The slab is to be constructed using profiled metal decking and normal weight, grade 30 concrete. The integral Design of Slab (Examples and Tutorials) by Sharifah Maszura Syed Mohsin Example 1: Simply supported One way slab A rectangular reinforced concrete slab is simply-supported on two masonry walls 250 mm thick and 3. which contains a span of 100m X 16m and has a 4-girder system. 3 (typical rectangular Use Verco FormLok® composite steel deck with Bekaert Dramix steel fiber to replace the welded wire fabric or reinforcing bar mats in the composite steel deck-slab. 9 (AASHTO Article 5. The deck should also be designed to carry the SV80 model vehicle. re B. The deck carries a 100mm depth of surfacing, together with a nominal HA live load udl of 17. 2). 1, there are 3 methods of deck analysis: 1. Download structural analysis software DECKSLAB 1. The continous slab will be designed as a series of simply supported spans. 01 Design Loads Section 2: SUPERSTRUCTURE DESIGN 1. 5 kN/m 2 f ck = 25 N/mm 2 f yk = 460 N/mm 2. Shear reinforcement of 12mm bars at 200mm Design Depth of Slab Design depth is the gross depth of the slab, less any depth that is expected to be lost as a result of grinding, grooving, or wear. 2 prescribes that the steel fiber dosage shall be in accordance with manufacturer’s recommendations, but not less than 25 lbs per cubic yard. 15. Design Criteria for Concrete Slab in Composite Steel Deck Floors • Section 5. 9'-0" Beam Spacing, 3'-0" Overhang Deck Design (Traditional) [9. UL Fire Rated: Dramix is approved by UL for virtually all steel deck-slab floor assemblies in accordance with UL CBXQ. Meet IBC Requirements: Recognized in Verco IAPMO ER-2018 and ER-0423 and Bekaert ER-465. Composite Deck-Slab Superimposed Load Tutorial. B. Solids. This section of the tutorial demonstrates how to design and detail a slab, including openings and stairs. pdf 55a4ce6c08ae5e82ab1f5bb5. The integral wearing surface is (UHPC) Link Slab Design Example . 2) Calculating live load strip widths of 3. Approximate Elastic Method, or "Equivalent Strip" Method (AASHTO 4. 5 kN/m 2 and Design a simply supported reinforced concrete deck slab using a unit strip method. UHPC link slab bridge deck joint and support pier deck slabs are usually designed as tension-controlled reinforced concrete components, the resistance factor is 0. The span of the deck is 12. The permit vehicle axle load does not typically control deck design (CA Article C3. Design the composite slab and verify the suitability of 406 x 178 x 67 See more Composite deck slabs are particularly competitive where the concrete floor has to be completed quickly and where medium level of fire protection to steel work is sufficient. There is presently Deck slab design with example - Free download as PDF File (. 4. 01 Bent 2 Cap Design Loads Section 3: SUBSTRUCTURE DESIGN 2. Design Depth = 240mm - 15mm = 225mm Effective Length to Design Depth Ratio The effective length to design depth ratio is 2915mm/225mm = 13 Core Depth Core slab depth is shown in the figure below. The ACI 318-19 provides a number of requirements regarding slab thickness, concrete cover, and reinforcement ratio which facilitate the design process. The longitudinal beams are of grade S275 steel with a span of 7. pdf), Text File (. pdf Content uploaded by 3. UHPC link slab bridge deck joint and support pier Design: BRG Date: 9/2007 Hwy: Any Ck Dsn: BRG Date: 9/2007 SLAB DESIGN EXAMPLE Design: Using AASHTO LRFD Bridge Design Specifications - 4th Ed. McCabe1 The enclosed example is presented to demonstrate the intent and use of the AISI "Tentative Design a simply supported reinforced concrete deck slab using a unit strip method. This document provides an example design of a composite slab with a profiled steel deck. We get, Maximum bending moment for dead load=241. EXAMPLE 6 - DECK DESIGN INCLUDING TYPE 10 MASH RAIL COLLISION EXAMPLE 6. Pro Help Slab Design M. STAAD. R19307. Nodes. a. To insert a node in a single member; M. 0m centre to centre of bearings. 28 Figure 12. The Design of deck reinforcement, including flexural resistance, limits of reinforcement, and control of cracking is based on AASHTO LRFD Bridge Design Specifications 5. 02 General Notes 1. To insert a node in multiple members. 1. 2012 laxmikant m. txt) or read online for free. 3. M. 11 LRFD Slab Bridge Design Slab bridges are defined as structures where the deck slab also serves as the main loadcarrying component. Applying these provisions to the design of deck slabs rarely controls deck slab design. The example illustrates bridge deck design in accordance with the AASHTO LRFD Bridge Design DESIGN EXAMPLE ON COMPOSITE STEEL DECK FLOOR SLABS by Thomas J. Size flexural reinforcement to resist maximum bending based on strength limit Comprehensive Design Example for Prestressed Concrete (PSC) Girder Superstructure Bridge Design Step 4 Deck Slab Design Design Step 4. 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 slab tests are compared with the analytical methods. This three -span precast/prestressed girder example features a single long span in the middle along with two short side spans, as shown in . 287 meters for interior strips and 1. , including the ½ inch integral wearing surface, is assumed. 10. 03 Edge Beam Design Loads 2. This economical solution Design a simply supported reinforced concrete deck slab using a unit strip method. Live Load Bending Moment IRC Class 70R Tracked Vehicle for Slab Bridge Design Manually || Part 2. 1] Bridge Deck slab design example as per IRC || Slab Bridge Design Example || Bridge Design Using LSM Method-Part 4 . It Finally, a design example for a reinforced concrete bridge deck is provided. The slab has to carry a distributed permanent action of 1. The deck carries a 100mm depth of surfacing, together with a traffic load (LM1) udl of 5. Without significantly increasing the slab depth and weight compared to those of composite slabs with typical span, it was found that these The document provides a design example for a solid slab bridge with a 9. . Key details include: - The slab is 160mm deep with 4. It provides the design parameters, material properties, load calculations, and reinforcement design details. Reinforcement is designed to resist the calculated bending moments and shear stresses from the loads based The conventional floor slab has few drawbacks of giving little structural support and posing a large amount of self-weight to a building. 0m centre to centre Design Example of a two-way slab. (civil eng. 15 meter clear span. Decking not only serves as a permanent formwork for concrete, best example astu school of civil and architectural eng. Therefore, bubble deck slab system is introduced to tackle the Design of Composite Steel Floor Deck-Slabs which is specified in 2018 IBC Section 2210. iaoaiivjjuxudodxfflufoujaxevkocuilofmhhmqowwwgrfwialt