6 L-Shaped Beams 5. Civil Engineering Design (1) 10 Dr. C. Caprani 2. Two design examples of a simply supported slab bridge and a two-span box girder bridge are also presented. Design of the wall reinforcement for shear 5. Shear connection between columns and walls and between walls concreted in two different construction phases 6. Short Braced Axially Loaded Columns 2.1 Development The design of such columns is straightforward. Stirrup Design Procedure CHAPTER 4b. Reinforced Concrete 2012 lecture 13/2 Content: Introduction, definition of walls 1. Concrete Beam 9 ©jkm Modulus of Concrete-Ec The concrete stress-strain diagram is not linear stress strain f ’ c 2 f c ' E c Ec is the slope of the stress-strain curve up to about half the strength of the concrete Do a regression through these points Concrete Beam 10 ©jkm Steel is Stiffer Since the steel is stiffer than the concrete, Concrete Dimensions to Resist a Given Area (Beam Design) •Find cross section of concrete and area of steel required for a simply supported rectangular beam •Span = 15ft •Dead Load = 1.27 kips/ft •Live Load = 2.15 kips/ft •f’c = 4000 psi •fy = 60,000 psi The prestandard (ENV) for EC2 has now been avail-able since 1992. Diameter of stirrup, 0.5 in The example focuses on the design and detailing of one of the reinforced concrete walls. Design Example 2 Reinforced Concrete Wall with Coupling Beams OVERVIEW The structure in this design example is a six-story office building with reinforced concrete walls as its seismic-force-resisting system. The first Reinforced Concrete Design Manual (formerly titled ACI Design Handbook) was developed in accordance with the design provisions of 1963 ACI 318 Building Code by ACI Committee 340, Design 17 ENCE 355 ©Assakkaf QExample 2 A continuous reinforced concrete beam shown in the figure is 15 in. Doubly reinforced concrete beam design example. = shorthand for neutral axis (N.A.) The factored loads are shown, and the factored uniform load includes the weight of the beam. Resistance to axial compression 3. All design speciﬁca-tions referenced in this chapter are based on 1994 AASHTO LRFD (Load and Resistance Factor Design) Bridge Design Speciﬁcations [1]. CIVL 4135 124 Compression Reinforcement 6.6. 4 Design of Reinforced Concrete Structur es poured—the formwork holds the concrete in place until it hardens sufﬁ ciently, (b) removal of these forms, and (c) SHEAR IN BEAMS Slide No. 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 stress and concrete at the concrete design strength for reinforced concrete beam design M u = maximum moment from factored loads for LRFD beam design n = modulus of elasticity transformation coefficient for steel to concrete n.a. cast-in-place, reinforced concrete highway bridge are discussed. 2 ... Design examples, charts are included, with This is a unconditionally wellliked collection and you may have left to … Example of analysis of a doubly reinforced concrete beam for flexure f c′=5,000 psi f y = 60,000 psi Solution 2 No. A.2.1 Rectangular Beams Reinforced in Tension393 A.2.2 Design of Rectangular Beams401 A.2.3 Rectangular Beams Reinforced in Tension and Compression405 A.2.4 Flanged Beams415 A.3 Shear 433 A.3.1 Shear Strength of Concrete without Shear Reinforcement c 433 A.3.2 Maximum Shear Stress c,max 434 A.3.3 Shear Reinforcement435 Given f’c = 4 ksi and fy = 60 ksi. One, called working stress design (WSD), is based on the straight-line distribution of compressive stress in the concrete (Fig. Resistance to eccentric compression 4. 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 …

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