Let strain rosette shown in figure computed the values of strains at the built in end and in NA of the beam, calculate the poisson's ratio, principal strains and values of P(KN) and w(KN/m) with the help of figures given below. 4 m E = 200000 N/mm² Ec = -600 × 10-6 Axis normal to Longitudinal axis P Longitudinal axis 400 200mm mm cross- section 200 × 10-6 Rectangular strain rosette Ea = 2000×10-6

Let strain rosette shown in figure computed the values of strains at the built in end and in NA of the beam, calculate the poisson's ratio, principal strains and values of P(KN) and w(KN/m) with the help of figures given below. 4 m E = 200000 N/mm² Ec = -600 × 10-6 Axis normal to Longitudinal axis P Longitudinal axis 400 200mm mm cross- section 200 × 10-6 Rectangular strain rosette Ea = 2000×10-6

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Thin square plate PQRS is symmetrically deformed into the shape shown by the dashed lines in the figure.[a = 200 mm, b = 202.1 mm, c = 198.9 mm] For the deformed plate, determine the shear strain xy at corner P?in micro rad
Mohr's circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 400 psi in size. (a) Determine the stresses Ox, ay, and the magnitude of Txy and show them on a stress element. (b) Determine the principal stresses and the magnitude of the maximum in-plane shear stress acting at the point and show these stresses on an appropriate sketch (e.g., see Figure 12.15 or Figure 12.16). x Ø с y Answer: (a) ox= i dy=i Txy= (b) Op1 = Op2 = Tmax in-plane= i i psi psi psi psi psi psi O
The strain components ɛx, Ey, and yxyare given for a point in a body subjected to plane strain. Using Mohr's circle, determine the principal strains, the maximum in-plane shear strain, and the absolute maximum shear strain at the point. Show the angle 0,, the principal strain deformations, and the maximum in-plane shear strain distortion in a sketch. Ex = 0 µɛ, ɛy = 290 µɛ, Yxy = 220 µrad. Enter the angle such that -45° < 0,<+45°. Answer: Ep1 = Ep2 = με Ymax in-plane prad %3D Yabsolute max. = prad
Mohr's circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 8 MPa in size. (a) Determine the stresses o, Oy, and the magnitude of Ty and show them on a stress element. (b) Determine the stresses an, O and the magnitude of Tnt and show them on a stress element that is properly rotated with respect to the x-y element. The sketch must include the magnitude of the angle between the x and n axes and an indication of the rotation direction (i.e., either clockwise or counterclockwise). Answer: MPa (a) σχε MPa Oy = MPa Ty = MPа (b) ơn = MPa O: = MPa Tnt=
PROBLEM 1: The frame shown in the figure is carrying a traingular distributed load. Pins at A and B are forced in single shear while the pin at C is forced in double shear. If the allowable tensile stress of bar BC is 300 MPa and the allowable shear stress of pins is 150MP3; (a) The cross sectional area of BC (b) The required diameters of pins A, B and C as multiples of mm. w = 8 kN/m 6 m 5 m 3 m
Derive a formula for the strain energy U of the cantilever bar shown in the figure. The bar has circular cross sections and length R. It is subjected to a distributed torque of intensity z per unit distance. The intensity varies linearly from z = 0 at the free end to a maximum value z = zo at the support. Express your answer in terms of maximum value zo , length R, shear modulus G and polar moment of inertia Ip . U =
A thin rectangular plate ABCD is deformed into a parallelogram as shown in the figure below. The width of the plate is w = 1700 mm, and the height of the plate is h = 2100 mm. The shear strain at A is known to be +3922 urad. Assume a = 2.7 mm. Calculate the magnitude of dimension b in the figure. a Answer: b= i W B mm x
len 8
The figure above is a skycam which is supported by 2 wires (assume that no wires holding at the top of this device). Assume that the wires are 0.05 inches diameter. If the skycam weighs 77 lbs, then the tensile stresses of wire 1 and wire 2 are Blank 1 ksi and Blank 2 ksi respectively. SN= 77
Using an Permissible stress of 155 MPa, determine the maximum bending moment M that can be applied to the wide-flange beam shown in the figure
Mohr's circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 8 MPa in size. (a) Determine the stresses ox, Oy, and the magnitude of Tyand show them on a stress element. (b) Determine the stresses o,, O, and the magnitude of Tnt and show them on a stress element that is properly rotated with respect to the x-y element. The sketch must include the magnitude of the angle between the x and n axes and an indication of the rotation direction (i.e., either clockwise or counterclockwise). y
Please provide a good understanding of the problem so I can understand the probems concept