Ultimate Ultimate strength (MPa) strength (ksi) Material Aluminum alloys 100–550 Concrete 10-70 (compression) Steel Machine 550-860 Spring 700-1,900 Stainless 400–1,000 Tool 900 Structural Steel 340-830 Titanium alloys 900–1,200 Wood (Bending) Douglas fir 50-80 Oak 50–100 Southern pine 50–100

Ultimate Ultimate strength (MPa) strength (ksi) Material Aluminum alloys 100–550 Concrete 10-70 (compression) Steel Machine 550-860 Spring 700-1,900 Stainless 400–1,000 Tool 900 Structural Steel 340-830 Titanium alloys 900–1,200 Wood (Bending) Douglas fir 50-80 Oak 50–100 Southern pine 50–100

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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QUIZ · Example I: Given the following state of stress and material properties Ox = 10MPa E = 200GPA Tyx 0z = -15MPA v =0.2 Tyz = 5MPA · Determine the state of strain - Determine the change in volume (also known as volumetric strain or dilatation)
The stress in a steel bar is given as 25,0000 kN/m² and length of the bar is 50 m. Calculate the shortening of the bar if E = 2.14 × 108 N/mm²
The mean dimensions of the cross section of the leading edge and torsion box of an airplane wing can be approximated as shown. The wing is subjected to a torque of 4.7 MN m and the wall thickness is 10 mm. The wing is made of 2014-T6 aluminum alloy. Figure 1 of 1 0.5 m 10 mm 10 mm 10 mm 2 m 0.25 m 0.25 m Express your answer with the appropriate units. Tavg 124 MPa Submit Correct Part B My Answers Give Up Determine the angle of twist per meter length of the wing. Express your answer with the appropriate units. VΠΙ ΑΣΦ It vec Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining ? °/m
2. A cube made of an alloy with dimensions of 50mmx50mm×50mm is placed into a pressure chamber and subjected to a pressure of 80 MPa. If the modulus of elasticity of the alloy is 200 GPa and Poisson's ratio is 0.30, what will be the length of each side of the cube, assuming that the material remains within the elastic region?
The assembly shown in the figure consists of an aluminum tube AB and a steel rod BC. The rod is attached to the tube through the rigid collar at B and passes through the tube. The cross-sectional area of the rod is 75 mm2 and the cross-sectional area of the tube is 400 + UV in mm2, where UV is 99. A tensile load of 80 kN is applied to the rod. Take Est = 200 GPa for the steel rod, Eal = 70 GPa for the aluminum tube. Determine: (a) the displacement of end C with respect to end B (i.e., the elongation of the steel rod), (b) the displacement of end B with respect to the fixed end A (i.e., the shrink of the aluminum tube), (c) the displacement of the end C of the rod (i.e., (a) + (b)).
For the state of stress (MPa) shown in the figure below. The ratio of Major principal stress to minor principal stress will be (up to two decimal places) 10 5 15+ + 15 5 10 LO
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The mean dimensions of the cross section of the leading edge and torsion box of an airplane wing can be approximated as shown. The wing is subjected to a torque of 4.7 MN m and the wall thickness is 10 mm. The wing is made of 2014-T6 aluminum alloy. Figure 1 of 1 0.5 m 10 mm 10 mm 10 mm 2 m 0.25 m 0.25 m Express your answer with the appropriate units. Tavg 124 MPa Submit Correct Part B My Answers Give Up Determine the angle of twist per meter length of the wing. Express your answer with the appropriate units. VΠΙ ΑΣΦ It vec Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining ? °/m
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A brass alloy rod having a cross sectional area of 0.24 in.2and a modulus of 16 * 106 psi is subjected to a tensile load. Plastic deformation was observed to begin at a load of 8,944 lb.a. Determine the maximum stress that can be applied without plastic deformation.b. If the maximum length to which a specimen may be stretched without causing plastic deformation is 3.28 in., what is the original specimen length?
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