Correct The tee shape shown is used as a short post to support a load of P = 4400 lb. The cross-section includes a left-

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Correct The Tee Shape Shown Is Used As A Short Post To Support A Load Of P 4400 Lb The Cross Section Includes A Left 1 (59.94 KiB) Viewed 18 times

Correct The tee shape shown is used as a short post to support a load of P = 4400 lb. The cross-section includes a left-side flange (1) with dimensions bfx hf, and a stem (2) of dimensions twx (d-t?). Assume L= 24 in., bf = 10.0 in. t = 3.0 in., tw = 2.5 in. and d = 11.5 in. The load P is applied at a distance a = 3.5 in. from the surface of the flange. Determine the normal stresses at points Hand K, which are located on section A-A. d Р (1) L bi tw X (2) K K H А H X Cross section Calculate the cross-sectional area A1 of the left side flange (1), and the cross-sectional area Az of the stem (2). Answers: A1 = 30 in.2, A2 = 21.25 in.2 e Textbook and Media Attempts: 1 of 5 used
Part 2 X Incorrect Here, the centroid of each area is the midpoint of the area along the direction of the x axis, and these centroids are measured with respect to the left side of the flange (1). Determine the location of the x direction centroid X1 of the left side flange (1) and the x direction centroid x2 of the stem (2), each with respect to the left side of the flange (1). Answers: X1 - i 5.914 in., X2= i in. e Textbook and Media Save for Later Attempts: 1 of 5 used Submit Answer
Determine the centroid location in the x direction for the cross-section measured with respect to the left side of the flange. Answer: I = i 5.914 in. e Textbook and Media Save for Later Attempts: 1 of 5 used Submit Answer
Answer: 11 i in.4. e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer Part 5 Determine the moment of inertia lz1 for the flange (1) about the z centroidal axis of the cross-section. Answer: 121 = i in. e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer Part 6 Determine the moment of inertial for the stem (2) about its own centroid X2. Answer: 12 in. e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer
Part 7 Determine the moment of inertia Izz for the stem (2) about the z centroidal axis of the cross-section. Answer: 122= e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer Part 8 Determine the moment of inertial for the cross-section about the neutral axis. Answer: 12 = i in. e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer
Part 9 Calculate the axial stress due to the axial load Pat section A-A. Do not include the bending stress effect in this part of the calculation. Remember that tensile stresses are positive and compressive stresses are negative. Answer: OaxP = i psi. e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer Part 10 Calculate the internal moment Myat section A-A. Answer: M- Ib-in. e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer Part 11 Calculate the axial stress at point H due to bending only. Answer: H.bending i psi.
Part 12 Calculate the axial stress at point k due to bending only. Answer: OK,bending = psi. e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer Part 13 Calculate the normal stress at point H. Note on paper whether the normal stress is tension or compression. Answer: OH = i psi. e Textbook and Media Save for Later Attempts: 0 of 5 used Submit Answer Part 14 Calculate the normal stress at point K. Note on paper whether the normal stress is tension or compression. Answer: OK = i psi. e Textbook and Media