8. A rigid bar AB is supported by three rods. A load P = 250 kN is applied to thebar. The modulus of elasticity of copper is 110 x 10°6 kN/m^2 and modulus ofelasticity of steel is 200 x 10°6 kN/m^2.Steel rodA= 900sq. mmSteel rodA= 9002msq. mmCopperA=1200sq. mm2mB1m1mDetermine the deformation in the rods (in mm). *Your answer

Answered: Image /qna-images/answer/b786da05-4b1d-4172-b311-e9612f61c3fe.jpg

Answered: 8. A rigid bar AB is supported by three…

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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Design a rectangular reinforced concrete beam for a simple span of 40 ft. Uniform service loads are 0.8 kip/ft dead load and 1.4 kips/ft live load. Use fc' = 4000 psi and fy = 60,000 psi. Sketch your design.
2. Determine the normal stress in members BD, AC, and BC in the truss shown. The cross- sectional area of each member is 1500 mm2. Indicate whether the stresses are tensile (T) or compressive (C). Use 2 decimal places in every solved value. 10 m 10 m 10 m K 6 т H 6 т 15° 15° 50 kN 40 kN E F 6 т C D б т A B
Find the minimum principal stress for the stress case given in the figure.
The rigid bar ABCD supports point loads at A and D and is being supported by two bars at B and C. Determine the absolute value of the deformation at point C. (in mm) 120KN 4m Sm A B L= 6m 9o kN L-4m A= 0.04 m A = 0.0 6m² E=200 GAa E=80 GPa
Determine the normal stress in members BD, AC, and BCin the truss shown. The cross-sectional area of each member is 1500mm2. Indicate whether the stresses are tensile (T) or compressive (C). Use 2 decimal places in every solved value.
The steel bars are firmly attached to rigid supports. Initially the temperature is 840F. Determine the stress in bars AC and CB when the temperature becomes -600F. Use E = 29 x 106 psi and α = 6.50 x 10-6/ 0F.
3. The rigid bar ABC is pinned at B and attached to the two vertical rods. Initially, the bar is horizontal and the vertical rods are stress-free. Determine the stress in the steel rod if the temperature of the both rods is decreased by 30°C. Neglect the weight of bar ABC. Steel L=0.9 m A 300 mm E= 200 x 10 N/m' a= 11.7 um/(m C) Aluminum L=1.2 m A = 1200 mm E = 70 x 10 N/m a= 23 pum/(m "C) Answer: Ost B 0.6 m 1.2 m
At a temperature of 34°F, a 0.06 in. gap exists between the ends of the two bars shown. Bar (1) is an aluminum alloy [a = 12.5 x 10-6/°F] and bar (2) is stainless steel [a = 7.3 x 10-6/°F]. The supports at A and C are rigid. Determine the lowest temperature at which the two bars contact each other. (1) 33m B (2) Answer: Final temperature = 55 in. -0.06. gap °F.
Please solve it ASAP and with all the steps and please solve it urgently and please solve all the parts as well please The strains at a point in a plate subjected to plain stress were measured as: Use this information to find the stresses in an element at the same location that is rotated 30 degrees counterclockwise and draw your results.
Two steel rods are welded together (see figure);the seam is oriented at angle θ = 50°. The stresses onthe rotated element are σ x1 = 10 ksi, σy1 = -12 ksi,and τx1y1 = -5 ksi. Find the state of plane stress onthe element if it is rotated clockwise to align the x1axis with the longitudinal axis of the rods.
H1

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