View PoliciesCurrent Attempt in ProgressThe cross-sectional area of a wide-flange l-beam has the dimensions shown. Obtain a close approximation to the handbook value of T,= 654 in.“ by treating the section as being composed of three rectangles.16.25"0.380"7.073"Answer: T, = iin.4Attempts: 0 of 1 usedSubmit AnswerSave for Later

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Answered: The cross-sectional area of a…

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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Use VIRTUAL WORK METHOD to answer the questions below considering the truss shown in the figure. Assume A= 1200 mm2 , E = 200 GPa , and α = 12x10-6/°C. - Vertical displacement at Joint A in mm due to -100°C change in temperature in member AE and ED. Do not add deflection due to external loads or fabrication error. Choices: 14.40, 1.41, -16.90, -16.29, 2.74, 10.25, 8.24, -13.80 - Vertical displacement at Joint A in mm due to +2mm fabrication error on members AE and ED. Do not add deflection due to external loads or temperature change. Choices: -8.944, -0.694, -1.544, 15.841, -3.684, 2.546, 8.649, -17.645
Determine the height h above the base of the centroid of the cross-sectional area of the beam. Neglect the fillets. Assume a = 11.93 in., b = 14.11 in., c = 1.05 in., d = 5.41 in., e = 0.51 in. d Answer: h = i in.
A beam is subjected to equal bending moments of M₂ = 4200 N·m. The cross-sectional dimensions are b = 110 mm, c = 33 mm, d = 74 mm, and t = 3 mm. Determine: (a) the centroid location (measured with respect to the bottom of the cross-section), the moment of inertia about the z axis, and the controlling section modulus about the z axis. (b) the bending stress at point H. Tensile stress is positive, while compressive stress is negative. (c) the bending stress at point K. Tensile stress is positive, while compressive stress is negative. (d) the maximum bending stress produced in the cross section. Tensile stress is positive, while compressive stress is negative. Answer: (a) y= i M. mm 1₂ = i mm4 S= i mm³ (b) OH = i MPa (c) OK = i MPa (d) Omax = i MPa (typ) b H K
what is the process for solving this questions (attached file)
9. Write the compatibility equations for the frame in Figure 8. Support F settles downward by 8. B E Figure 8 C LL F D
Problem 2. Use virtual work method and determine the following unknowns on the truss system shown below. Use A = 500 mm² and E = 200 GPa. Show complete and organized solution. Round-off your answers to two decimal places. %3D a. Horizontal displacement of joint G due to the applied loads in mm b. Horizontal displacement of joint G considering that the top chord members experience 60 °C increase in temperature in mm. Use a = 10/ °C A=40.0 70 kN B=5.0 "a" kN C=9.0 50 kN "a" kN "c" m D 4 at "b" m
KAssignment 5 Problem 14.2 5 of 5 Consider the truss shown in (Figure 1). Take A = 0.0015 m² and E = 200 GPa for each member, and F = 17 kN Part A Determine the vertical deflection at joint (2 Express your answer to three significant figures and include the appropriate units. Enter negative value in the case when the deflection is downward and positive value in the case when the deflection is upward. ? Ay2 = 0.00077 Figure 1 of 1 Submit Previous Answers Request Answer F 4 m 4 m X Incorrect; Try Again; 11 attempts remaining 18 Part B 3 m 4 Determine the force in member 4 of the truss. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case
Situation 3. Determine the Iy and Iş of the object below if the dimension of a = 12in , b = 7in. The radius of the semicircle is R= 20in and the radius of the hollow circle is 1.5in. Note: the hollow shapes are located in the center y b a 15 in 3 in
Determine the slope at the left support A (in degrees.). The beam is loaded with a moment load M = 17 kN-m at its midspan. El is constant and equal to 33,334 kN-m^2. Use length of beam L= 7 m. ROUND OFF TO FIVE DECIMAL PLACES. USE STORED VALUES. INPUT THE VALUE ONLY A
Using Simpson's rule Evaluate the integral of x2 - 4 if the lower limit is O and upper limit is 5. use n=4 13.28 O 18.311 O 0.34 O 21.67
Incorrect. Let a = ci +j and b = 6i + 8j. Find c so that the angle between a and b is-. Round your answers to four decimal places and enter the values in increasing order. C1 = i 2.3140 C2 = i 0.1204
A beam is subjected to equal bending moments of M₂ = 4300 N·m. The cross-sectional dimensions are b = 120 mm, c = 33 mm, d = 67 mm, and t = 4 mm. Determine: (a) the centroid location (measured with respect to the bottom of the cross-section), the moment of inertia about the z axis, and the controlling section modulus about the z axis. (b) the bending stress at point H. Tensile stress is positive, while compressive stress is negative. (c) the bending stress at point K. Tensile stress is positive, while compressive stress is negative. (d) the maximum bending stress produced in the cross section. Tensile stress is positive, while compressive stress is negative. Answer: (a) y= i mm M 1₂ = i mm4 S= mm³ (b) OH = i MPa (c) OK = i MPa (d) gmax= i MPa (typ) b H K

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The cross-sectional area of a wide-flange l-beam has the dimensions shown. Obtain a close approximation to the handbook value of T, = 654 in.“ by treating the section as being composed of three rectangles. 16.25" 0.380" 7.073" l0.628" Answer: T, in.4