Prof. Dr. Qaisar Ali CE-320 Reinforced Concrete Design-I Introduction In reinforced concrete construction, slabs are used to provide flat, useful surfaces. ACI 360, "Design of Slabs-on-Grade", refers to this as a Type B slab. A finite element model may be created to analyse a complicated loading arrangement. ACI 544.3R-08 “Guide for Specifying, Proportioning, and Production of Fiber Reinforced Concrete” 4. The CONCRETE CALCULATOR™ is a simple and powerful tool which allows to analyze and design reinforced concrete beams, slabs and columns cross sections. BS EN 1992–1–1 section 5. 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 world’s bridge engineers 2688 Venado Way Rescue, CA 95672 Phone: 530-672-1569 E-mail: rdp@BridgeSight.com Internet: www.BridgeSight.com Reinforced Concrete Slabs. The simplest routine structural element for illustration of design provisions in the Code is the one-way slab. Bending will take place in the two directions in a dish-like form. Working Stress Design is called Alternate Design Method by NSCP (National Structural Code of the Philippines) and ACI (American Concrete Institute, ACI).. Code Reference NSCP 2010, Section 424: Alternate Design Method ACI 318M-99, Appendix A: Alternate Design Method Notation f c = allowable compressive stress of concrete f s = allowable tesnile stress of steel reinforcement Manual for Design and Detailing of Reinforced Concrete to September 2013 the Code of Practice for Structural Use of Concrete 2013 Contents 1.0 Introduction 2.0 Some highlighted aspects in Basis of Design 3.0 Beams 4.0 Slabs 5.0 Columns 6.0 Beam-Column Joints 7.0 Walls 8.0 Corbels 9.0 Cantilevers 10.0 Transfer Structures 11.0 Footings There are two acceptable methods to design concrete: the working stress method and the ultimate strength method. design of slabs, flexible pile caps and footings. SIMPLE SPAN REINFORCED CONCRETE SLAB BRIDGE INPUT: VERSION 6.2 VERSION 6.2 Fill out the fields as appropriate based on the information in the plans. This course will limit discussion to normal reinforced structural concrete using 4,000 psi concrete and 60,000 psi rebar. By the end of this course you will be able to do a full Reinforced concrete slab design and analysis with RAPT similar to what a professional engineer does. Section 9.3: MS EN 1992-1-1: 2010) 14.0 SIMPLIFIED CURTAILMENT RULES FOR SLAB 21 (Ref. Lecture series on Design of Reinforced Concrete Structures by Prof. N.Dhang, Department of Civil Engineering, IIT Kharagpur. Working Stress Design. result is a lightly reinforced slab designed to offset the effects of temperature and shrinkage of the concrete. With the combined experience of Slabtech management, we offer a one-stop solution in a project life cycle to our clients. You can also enter the amount of longitudinal reinforcement (that affects the shear capacity) in the two main directions. The ultimate force is the sum of the stress × areas of the steel and concrete: cu0.67 y uz c sc mm f f NAA γγ ⎛⎞⎛⎞ =+⎜⎟⎜⎟ ⎝⎠⎝⎠ For concrete … DESIGN OF REINFORCED CONCRETE SLAB (c) Ribbed slab (d) Waffle slab Figure 3.1: Types of slab Flat slab floor is a reinforced concrete slab supported directly by concrete columns without the use of intermediary beams. Figure 2.2 – Simplified stress block for ultimate reinforced concrete design . Design Concrete Slab on Grade Design Concrete Slab on Grade pperr043 (Civil/Environmental) (OP) 6 Nov 06 21:44. This includes Engineer … Design Of Reinforced Concrete Structures ii Two-Way Slabs 1 1. Analysis and design of a single concrete sections or multiple sections. This section contains information on how to design reinforced concrete elements of a structure. In this webinar, we will brief on the engineering reasons behind choosing a deck of such type, the characteristics of the deck, Wood-Armer Moment, design optimization, etc. SAFE Reinforced Concrete Design 11.5.2 Design Beam Shear Reinforcement 11-14 11.5.3 Design Beam Torsion Reinforcement 11-17 11.6 Slab Design 11-21 11.6.1 Design for Flexure 11-22 11.6.2 Check for Punching Shear 11-23 11.6.3 Design Punching Shear Reinforcement 11-25 12 Design … REINFORCED FLAT SLAB DESIGN EXCEL SHEET. Analysis & Design of Two-way Slabs Equivalent Frame Method spSlab utilizes the Equivalent Frame Method for the analysis and design of two-way slab systems, i.e. FRP reinforced-concrete slabs: a comparative design study. At Slabtech we specialise in Reinforced Concrete Slabs, Raft Foundations, Civil Construction and Structural Design. The ultimate stress method is the one most commonly used. Short Braced Axially Loaded Columns 2.1 Development The design of such columns is straightforward. I need help to design a slab on grade. 5. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. a slab system consisting of approximately rectangular panels with the ratio of longer-to-shorter span within a panel not exceeding 2.0, per American (ACI 318) and Canadian (CSA A23.3) concrete codes. ACI 544.4R-18 “Design Guide for Fiber-Reinforced Concrete” 5. However, Especially, computations have been made by use of BS 8110 based spreadsheets; publication produced by the Reinforced Concrete Council (RCC) as part of its project 'Spreadsheets for concrete design to … 6 Version 2.3 May 2008 comparatively larger than the “elastic” one prior to failure. Reinforced concrete may be the most important material available for construction. Ultimate limit state design theory. Design reinforced concrete flat slabs for punching shear at internal, edge and corner columns by specifying the distance from the support to the slab edge; the program automatically determines the shear perimeters. Design for full load in both directions. Member Name: Since this is the input for the the exterior portion of the slab use “Exterior Slab” for the name. reinforced concrete slab under mo load cases design, extended to multiple layers of skew reinforcement and modified to calculate the factor of safety on an applied field moments. 1. below. Design of Reinforced Concrete Slabs 107 B = 1.2x 1 where x = distance of load-from support closest to load I = effective span. It is used in one form or another for almost all structures, great or small—buildings, bridges, pavements, dams, retaining walls, tunnels, drainage and irrigation facilities, tanks, and so on. 1. 13.0 CRACKING RULES FOR SLAB 21 (Ref. Flanged beam. For One Way Slab 1. ACI 506.1R, “Guide to Fiber-Reinforced Shotcrete” 3. Analysis and design for singly and doubly reinforced rectangular concrete beam. Design flexural reinforcement for column strips and middle strips both ways. 4. The Wire Reinforcing Institute recommends the use of the Subgrade Drag Theory for slabs up to 150 feet in length. I have a two storey building, and my second floor and roof loads are transmitted to column footings below my slab on grade. FRP reinforced-concrete slabs: a comparative design study DOI: 10.1680/jstbu.16.00055 Document Version Accepted author manuscript Link to publication record in Manchester Research Explorer Citation for published version (APA): Stuart, V., & Cunningham, L. (2017). For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab. Subgrade Drag Theory for slabs spanning in both directions published tables and charts should be used to bending. 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reinforced concrete slab design

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