Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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- 2.25. A system consists of two rigid end-plates, tied together by three horizontal bars as shown in Fig. 2-42. Through a fabrication error, the central bar, ②2, is 0.0005L too short. All bars are of identical cross section and of steel having E = 210 GPa. Find the stress in each bar after the system has mechanically been pulled together so that the gap A is closed. Ans σ-35 MPa σ = 70 MPa Fig. 2-42arrow_forward14. A pin-connected structure consists of a rigid beam ABCD and two supporting bars. Bar (1) is an aluminum alloy [E = 70 GPa] with a cross-sectional area of A₁ = 2,400 mm². Bar (2) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A2 = 6,000 mm². All bars are unstressed before the load P is applied. If a load of P = 535 kN is applied at B, determine the normal force in bar (1). A) B) D) E) 2.9 m 0.8 m 391 kN 325 kN 301 kN 247 kN 181 kN B 1.5 m P = 535 KN (2) C 3.3 m 1.2 m F₁ K 0.8m D + 535 1.2marrow_forwardThe bar has constant diameter of 100 mm and is composed of two different materials. The two ends A and C are fixed to the wall. An external load P of 380 kN is applied at point D. The modulus of elasticity of part AB and BC is 80 GPa and 200 GPa, respectively. Determine the reactions at ends A and C. В D A -P C 600 200 200 Dimensions in mmarrow_forward
- Hand written please.arrow_forwardThe allowable tensile stress for wires AB and AC is σallow = 200 MPa, and wire AB has a diameter of 6 mm and AC has a diameter of 8 mm. Determine the greatest force P that can be applied to the chainarrow_forwardk=17 p=117kN Strength of material question. without taking into account wire thickness.arrow_forward
- Required information Consider the given state of stress. Take A= 16 MPa and B= 48 MPa. В A 60 MPа Determine the principal planes. The principal planes are at andarrow_forwardThis is a mechanics of material question please show all steps clearly please show the given, what is to be found, and a free body diagram.arrow_forwardHW. 9-3. The state of stress at a point in a member is shown on the element. Determine the stress components acting on the inclined plane AB. Solve the problem using the method of equilibrium described in Sec. 9.1. 60 400 psi *650 pகம்arrow_forward
- Two wooden studs with cross-sectional dimensions 45×145 mm2 are glued together to form a beam with a T-sectionaccording to the figure on the right and loaded according to the figure on the left. The beam is loaded in its rigiddirection.a) Calculate the moment of inertia of the cross-section about the centroid axis (z-axis).b) Calculate the maximum normal stress in the beam.c) Sketch the normal stress distribution over the most loaded cross-section of the beam. All calculations must be clear and handwritten, draw and check so that the answers are correctarrow_forwardThe force P causes the rigid arm ABC to rotate clockwise about pin A through an angle of 0.026 degrees. Determine the normal strain in wire BD & CEarrow_forwardThe rigid bar AB is hinged at A and supported by a steel plate hanger. The hanger is fixed at C and bolted at D with two plates.Given: Width of plate hanger= 50 mm Thickness of plate hanger = 10 mm Bolt diameter= 20 mm Allowable bolt shear stress= 68 MPaAllowable bolt bearing stress= 250 MPa a.What is the allowable stress in the hanger based on bolt capacity in double shear at D. b.If the maximum tensile stress in the hanger is 138MPa, find the allowable load Warrow_forward
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