Thecross-sectional dimensions of a beam are shown. Assume b=2.5 in., t-tw-0.375 in. and d=3 in.(a) If the bending stress at point K is 2720 psi (T), determine the internal bending moment M₂ acting about the z centroidal axis of thebeam.(b) Determine the bending stress o at point H (positive if tension, negative if compression).HKAnswers:(a) M₂= i(b) oH = itwlb-ft.psi.

Answered: Image /qna-images/answer/7f6df276-12e3-44b5-957a-70f41f9af7dc.jpg

Answered: The cross-sectional dimensions 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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The beam is loaded by two point forces P. The beam is assembled according to the cross-sectional view by nailing wooden parts with cross-sections of 50 mm x c = 220 mm and 25 mm x d = 260 mm. How large can the value of the load P be when the distance between the nails in the longitudinal direction of the beam is 100 mm, the cross-sectional area of the nail is 9 mm2 and their permissible shear stress is 110MPa? Then calculate the maximum stresses and shear stresses of the beam at that load when the distance between the articulated supports is L = 1.9 m and the length of the beam projections a = 1.3 m. Permissible shear force of one nail? kN Static torque of the cutting surface? mm^3 Maximum torque change in cantilever? kNm Cutting force of the projection? kN Magnitude of force P? kN Calculated with the obtained force P maximum normal stress? MPa shear stress maximum? MPa
The wood beam has a rectangular cross section in the proportion shown. The allowable bending stress iss =10 MPa. 500 N/m 1.5 b OB - x m 2 m 2 m Calculate the centroid of the cross section of the beam O (1.5b, 1.5b] O (1.5b/2), (1.5b/2)] O (0.(1.5b/2)] O (0,0) [(1.5b/2), 0] O (0, 1.5b)
Provide solution and illustrations. Use three decimal places. A rectangular beam having a dimension of 250mm by 300 mm is reinforced with 32-mm diameter bars. The beam will carry a moment dead load of 150 KN-m and a moment live load of 300KN-m. fc'=34 Mpa and fy = 414 Mpa. Determine the value of ultimate moment capacity the beam can carry.Determine the value of product of stress and strain ratio.Determine the value of coefficient resistance of the beam.Determine the number of reinforcement needed
3. The beam ABCD is fixed with simple support of B and C as shown in the figure below. When point A is 15 mm and point D is bent upward by 10 mm, find the loads P, Q to make point A and D equal to point B and C support points. P is acting on point A, and Q is acting on point D. The Flexible Rigidity tee is 2.5 X 106 Nm (Use Maucalay's method) 15 mm B -2.5 m تے 5m 25m 25m 10 mm
pls help! Write the complete solutions and legibly. Answer in 2 decimal places. UPVOTE WILL BE GIVEN! MECHANICS OF DEFORMABLE BODIES Let Q = 0 and T = 8 (Example: 12Q°C = 120°C). Just substitute the number in letter. Thank you! For the frame shown, a 4QQT-N load is acting on member ABD at D. If the allowable material shear stress for is 4Q MPa, determine the required diameter (rounded off to the nearest 2.5 mm) of the pins at C and D. Pin C and pin D are subjected to double shear and single shear, respectively. If the thickness of member BC is 12 mm and that of member DE is 16 mm, determine the maximum bearing stress at C.
Determine the maximum tensile and compressive bending stresses developed in the beam shown. The cross-section has the given properties. NA 1-35 x 10mm a. RA = b. RE= c. fb(c) = d. fb(T) = 80 mm 200 mm A 1.5m kN KN 5kN m MPa MPa B 1.5m SkN/m 2m 5KN n 2m 4
A W 12 X 35 steel cantilever beam is subjectedto an axial load P =10 kips and a transverse loadV =15 kips. The beam has length L = 6 ft. (a) Calculatethe principal normal stresses and the maximumshear stress for an element located at C near the fixedsupport. Neglect the weight of the beam. (b) Repeat Parta for point D which is 4 in. above point C (see figure).See Table F-1(a), Appendix F, for beam properties.
Knowing that a factor of safety of 3.0 is required, determine the largest load P that can be applied to the steel structure shown. Member AB has a 50 mm x 50 mm square cross section. Use Yield Stress &,= 250 MPa. B both pin ends 30° 1.2 m BA,
Determine the maximum magnitude of load P that can be applied to the truss. The maximum allowable tensile force in the members of the truss is (Ft) max = 5.2 kN, and the maximum allowable compressive force is (Fe) max = 3 kN. Take d = 2 m. (Figure 1) Figure 1 of 1 E d/2 C PV d/2 <
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The strain in the x direction at point A on the A-36 structural-steel beam(in figure attacched) is measured and found to be εx = 260 x 10-6. Determine the applied load P. What is the shear strain γxy at point A? PICTURE ATTACHED.
A square box beam is made of two 20X80-mm planks and two 20X120-mm planks nailed together as shown. We know that the spacing be- tween the nails is s=50 mm and that the allowable shearing force in each nail is 300 N, calculate (a) the largest allowable vertical shear in the beam, (b) the corresponding maximum shearing stress in the beam. E 20 mm 80 mm 20 mm S 120 mm S

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