Q2/ For the state of plane stress shown below, construct a Mohr's circle and determine:- (a) the principle stress acting at this point (b) the orientation of the principle stress (c) the maximum in-plane shear stress at the point and the corresponding average normal stress (d) the orientation of the maximum in-plane shear stress (e) show the results on elements 700 kPa 100 kPa 400 kPa

Q2/ For the state of plane stress shown below, construct a Mohr's circle and determine:- (a) the principle stress acting at this point (b) the orientation of the principle stress (c) the maximum in-plane shear stress at the point and the corresponding average normal stress (d) the orientation of the maximum in-plane shear stress (e) show the results on elements 700 kPa 100 kPa 400 kPa

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter1: Introduction

Section: Chapter Questions

Problem 1.5.3P: A tensile test was performed on a metal specimen having a circular cross section with a diameter 0....

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A tensile test was performed on a metal specimen having a circular cross section with a diameter 0. 510 inch. For each increment of load applied, the strain was directly determined by means of a strain gage attached to the specimen. The results are, shown in Table: 1.5.1. a. Prepare a table of stress and strain. b. Plot these data to obtain a stress-strain curve. Do not connect the data points; draw a best-fit straight line through them. c. Determine the modulus of elasticity as the slope of the best-fit line.
The results of a tensile test are shown in Table 1.5.2. The test was performed on a metal specimen with a circular cross section. The diameter was 3 8 inch and the gage length (The length over which the elongation is measured) was 2 inches. a. Use the data in Table 1.5.2 to produce a table of stress and strain values. b. Plot the stress-strain data and draw a best-fit curve. c. Compute the, modulus of elasticity from the initial slope of the curve. d. Estimate the yield stress.
A 20 mm x 120 mm beam is subjected to a load of 50 kN acting at the centroid of the cross section as shown in the figure. Point B is 20 mm below the centerline of the beam. A. Find the shearing stress at point B. B. Find the minimum principal stress component on the 30 degrees plane at point B. Please give me the solutions of this with these answers: Answers: A. Ans: -16.67 MPa B. Ans: 2.98 MPa
Defferentiate the following terms; 1.Resilience and proof resilience 2.proof resilience and modulus of resilience B)A solid beam ABC circular in section has varying sections.portion AB is 6m in length and diameter of 250mm while portion BC is 2m in length and section diameter of 100mm.The beam is subjected to a sudden tensile load.if the maximum stress induced is 400MN/m^2.Determine the strain energy stored in the beam.Take E=200GN/m^2
Consider these torsion boxes, they all have the same enclosed area A. The thickness of the skin of the torsion boxes is indicated in the figure above. Which statements are true and which statement are false? Which of the following statements are TRUE? A) All cross-sections have the same shear flow. B) All cross-sections have the same shear stress. C) The shear stress in the circular section is larger than the shear stress in the square section. D) The shear flow in the circular section is smaller than the shear flow in the square section.
A material has a stress–strain relationship that can be approximated by theequation e = 0.3 * 10-16 x s3 where the stress is in kPa. Find the secant modulus and the tangent modulus for the stress level of 345 MPa.
Consider the nonprismatic cantilever beam of circular cross section shown. The beam has an internal cylindrical hole in segment 1; the bar is solid (radius r ) in segment 2. The beam is loaded by a downward traingular load with maximum intensity q0 as shown. (a) Find expression for maximum compressive stress at point 1. (b) Find expression for maximum tensile stress at point 1.
Determine the a.Stress at 167 kN loadin MPa b.Strain at 167 kN loadin mm/mm(expressed in scientific notation) c.Modulus of elasticityMPa d.Modulus of resiliencein N-mm/mm3 e.Modulus of toughnessin N-mm/mm3
A beam having a tee-shaped cross section is subjected to equal 18 kN-m bending moments, as shown. Assume bf = 125 mm, tf = 25 mm, d = 185 mm, tw = 20 mm. Find the following: A. The cross-sectional dimensions of the beam are also shown. B. determine the maximum bending stress (positive if tensile and negative if compressive) produced in the cross section. Express your answer in MPa rounded to the nearest tenths. C. determine the bending stress at point H (positive if tensile and negative if compressive). Express your answer in MPa rounded to the nearest hundredths. D. determine the controlling section modulus about the z axis. Express your answer in (103) mm3 rounded to three significant figures. E. determine the moment of inertia about the z axis. Express your answer in (106) mm4 rounded to three significant figures.
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A steel column of hollow circular cross section is supported on a circular, steel base plate and a concrete pedestal (see figure). The column has an outside diameter d = 250 mm and supports a load P - 750 kN. (a) If the allowable stress in the column is 55 MPa, what is the minimum required thickness? Based upon your result, select a thickness for the column, (Select a thickness that is an even integer, such as 10, 1 14,.. ., in units of millimeters.) (b) If the allowable bearing stress on the concrete pedestal is 15 MPa, what is the minimum required diameter D of the base plate if it is designed for the allowable load Pallow that the column with the selected thickness can support.
The polymer bar shown in the figure below has a width of b=55b=55 mmmm, a depth of d=104d=104 mmmm, and a height of h=274h=274 mmmm. At a compressive load of P=120P=120 kNkN, the bar height contracts by Δh=−2.60Δ⁢h=-2.60 mmmm, and the bar depth elongates by Δd=0.36Δ⁢d=0.36 mmmm. At this load, the stress in the polymer bar is less than its proportional limit. Determine: (a) the modulus of elasticity. (b) Poisson’s ratio. (c) the change in the bar width bb.