1-21_ProblemsQ:1/ A hollow right-circular cylinder is made of cast iron and has anoutside diameter of (75 mm) and an inside diameter of (60 mm). If thecylinder is loaded by an axial compressive force of (50 kN), determine thetotal shortening in a (600 mm) length. Also determine the normal stressunder this load. Take the modulus of elasticity to be (100 GPa).Ans.(ô = 0.188 mm) , (o= 31.45 MPa)Q:2/A square steel bar is (50 mm) on a side and (250 mm) long. It is loadedby an axial tensile force of (200 kN). If(E= 200 GPa) and (µ= 0.3),determine the change of volume per unit volume.(Ans. 0.00016)Q:3/The bar shown in Fig.(1-22 ) is subjected to a tensile load of (160kN). Ifthe stress in the middle portion is limited to (150N/mm³), determine thediameter of middle portion. Find also the length of the middle portion if thetotal elongation of the bar is to be (0.2mm). Young's modulus is given asequal to (2.1*10$ N/mm³).(Ans. d= 3.68em , L=20.71em)160 KNA 6 cm DIA160 N6 om DIA40 cmFig.(1-22 )Q:4/Three equally spaced rods in the same vertical plane support a rigidbar (AB). Two outer rods are of brass, each (600mm) long and of (25mm)diameter. The central steel rod is (800mm) long and (30mm) in diameter.Determine the forces in the bars due to an applied load of (120kN) throughthe mid-point of the bar. The bar remains horizontal after the applicationof load. Take (Es/E,=2).(Ans. P, =62.3kN ,P,=28.84kN )H30 mm120 KN-ww o09ww 009

NORMAL STRESS IS DEFINED AS THE RATIO OF AXIAL FORCE UPON AREA ON WHICH FORCE IS ACTING.…

Q:1/ A hollow right-circular cylinder is made of cast iron and has an outside diameter of (75 mm) and an inside diameter of (60 mm). If the cylinder is loaded by an axial compressive force of (50 kN), determine the total shortening in a (600 mm) length. Also determine the normal stress under this load. Take the modulus of elasticity to be (100 GPa). Ans.(ô = 0.188 mm) , (o= 31.45 MPa)

Q:1/ A hollow right-circular cylinder is made of cast iron and has an outside diameter of (75 mm) and an inside diameter of (60 mm). If the cylinder is loaded by an axial compressive force of (50 kN), determine the total shortening in a (600 mm) length. Also determine the normal stress under this load. Take the modulus of elasticity to be (100 GPa). Ans.(ô = 0.188 mm) , (o= 31.45 MPa)

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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