REINFORCED CONCRETE(Note: Each question from I to 3 has01. A square reinforced concrete slab of dimensions (a x a) m with fixedsupported on all edges, subjected to a uniform distributed load"collapse load qe? when the interior positive bending moment is 25kN.m/mlandthe exterior negative bending moment is 40 kN.m / m 2 Use equilibrium method."2 Find theA. (1420/a)C.( 780 /a)B. (1560/a)D. (530/a)Hokpim15

A square slab having size a x a. Maximum poitive moment = 25 kN.m Maximum Negative moment = 40 kN.m…

Q1, A square reinforced concrete slab of dimensions (a x a) m with fixed supported on all edges, subjected to a uniform distributed load" q"2 Find the collapse load qe? when the interior positive bending moment is 25kN.m/m)and the exterior negative bending moment is 40 kN.m / m 2 Use equilibrium method. A. (1420/a) C. ( 780/a') B. (1560/a) D. (530/a) as 4okpm

Q1, A square reinforced concrete slab of dimensions (a x a) m with fixed supported on all edges, subjected to a uniform distributed load" q"2 Find the collapse load qe? when the interior positive bending moment is 25kN.m/m)and the exterior negative bending moment is 40 kN.m / m 2 Use equilibrium method. A. (1420/a) C. ( 780/a') B. (1560/a) D. (530/a) as 4okpm

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

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A concrete slab is reinforced by 5858 -in.-diameter steel rods placed on 7.5-in. centers as shown. The modulus of elasticity is 3 × 106 psi for the concrete and 29 × 106 psi for the steel. Using an allowable stress of 1400 psi for the concrete and 19.8 ksi for the steel, determine the largest bending moment in a portion of slab 1 ft wide. The largest bending moment is
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a.) A 3-m height concrete column is reinforced with 4 steel reinforcement bars, each bar with a 25 mm diameter. Determine the normal stresses in the concrete and steel when an axial centric force of P = 660 kN is applied to the column. Determine also the shortening of the column. The modulus of elasticity of the concrete and steel has values of Ec = 26 GPa and Es=200 GPa The cross section of the column is shown in the figure. b.) If the steel reinforcement bars are to resist at least 1/3 of the applied load, calculate the minimum amount of area of steel reinforcement bars required. What is the minimum of number of 25 mm diameter bar required? P = 660 kN 3 m 200 mm 200 mm