Homework Answers
Take principal strains on x axis and shear strain on y axis. Find center of circle right in between the principal axes at e = (-905+(-405))/2 = -655
Draw Mohr's circle. Draw clockwise angle of 20.5 deg from e1 = -405. where it intersect the circle, it will be one of the inplain strain. Now other in plain strain will be at a plain at 90 degrees fron this strain i.e. at 69.5 deg anticlockwise from e1, so find ex and ey = -465 & -840 respectively.
Draw horizontal lines from the intersection points at circle to cut at y axis. Intercept formed will be maximum inplain shear strain = 180
Overall maximum shear strain will be diameter of circle = 500
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P13.017 (Multistep) The principal strains are ep- 4 5 με, εμ2- 905 με, and - 20.50...
Problem 14.044 The strain rosette shown in the figure was used to obtain normal strain data...
Problem 14.044 The strain rosette shown in the figure was used to obtain normal strain data at a point on the free surface of a machine part. The rosette measures: 900 HE; Eb -350 με; Ec-1420 με; v-0.14. (a) Determine the strain components εχ,ey, and Yxy at the point. (b) Determine the principal strains (p1> Ep2) and the maximum in-plane shear strain Yip at the point. c) Determine the angle e, counterclockwise is positive, clockwise is negative), and then draw...
Please work the problem out rather than copying someone else's answer. The other post's answer wa...
Please work the problem out rather than copying someone else's
answer. The other post's answer was wrong and I don't understand
this practice problem
The strain rosette was used to obtain normal strain data at a point on the free surface of a machine part. The measurement are -1110 με. Poisson's ratio for this material is v 0.34. 1290 με, eb-2210 με, and Ec (a) Determine the strain components Ex, £y, (b) Determine the principal strains and the maximum in-plane...
The principal strains are given as εp1 = 620 με and εp2 = -490 με, and...
The principal strains are given as εp1 = 620 με and εp2 = -490 με, and the angle of rotation from the x-y coordinate system to the principal-stress coordinate system is θp = -20° for a point in a body subjected to plane strain. Assume εx > εy. Use Mohr’s circle to determine the normal strain εx.
The strain rosette shown was used to obtain normal strain data at a point on the free surface of a machine component. Given the values εa= -185 με, εb= -150 με, εc= 55 με, E = 10,800 ksi, and v = 0.33...
The strain rosette shown was
used to obtain normal strain data at a point on the free surface of
a machine component. Given the values εa= -185 με, εb= -150 με, εc=
55 με, E = 10,800 ksi, and v = 0.33,
determine
(a) the stress components σx, σy, and τxy at the point.
(b) the principal stresses and the maximum in-plane shear stress at
the point; on paper, show these stresses on an appropriate sketch
that indicates the orientation...
1. 4. A material is subjected to two mutually perpendicular strains 350 x10-6 units and -...
1. 4. A material is subjected to two mutually perpendicular strains 350 x10-6 units and - 50 x 10-6 units together with an unknown sheer strain, if the principal strain in the material is 420 x 10 units. If E - 200 GN/m? - 0.3, determine the following. a. a) Magnitude of the shear strain b. b) The other principal strain C. c) The direction of principal strains axes d. d) The magnitude of the principal stresses 1. 5. For...
Question 1: The strains on the surface of an experimental devise are monitored by means of...
Question 1: The strains on the surface of an experimental devise are monitored by means of three strain gages A, B and C put at 0-60°, 90° and 120° respectively. The reading of the gages are ε,--90 x 10 , ε,--190 x 10 and e-240 x 10 a-Find the reading of a gage put at θ 0°, along the x-axis. b- Use Mohr's Circle to determine the in-plane principal strains and their directions. c- Determine the absolute maximum shear strain...
End of Semester 1, 2018 STEN2002 Civil Engineering Materials (Total Mark for Question 4: 18) Part...
End of Semester 1, 2018 STEN2002 Civil Engineering Materials (Total Mark for Question 4: 18) Part A - Question 4 7 complicated frame that was difficult to analyse Using a rectangular strain gauge rosette, the actual strains at point A have been recorded while being subjected to test loads. It is necessary to determine the principal stresses and shear stresses in the actual beam subject to the test loads to check whether the stresses assumed in the design of the...
Question 4 Consider a point in a structural member that is subjected to plane stress. Normal...
Question 4 Consider a point in a structural member that is subjected to plane stress. Normal and shear stress magnitudes acting on horizontal and vertical planes at the point are S-15 ksi, s - 7 ksi, and Sy- 11 ksi a) Draw Mohr's circle for this state of stress. (b) Determine the principal stresses (σ01 > σ02) and the maximum in-plane shear stress Tnax acting at the point. c Find the smallest rotation angle θρ counterclockwise is positive dock ise...
I do not have more trials please solve for these four problems for me thanks!!! All...
I do not have more trials
please solve for these four problems for me thanks!!!
All components below are made of steel with E-200 GPa, G-80 GPa, v-0.25.6.-210 MPa Problem 3: A load of 500 KN is applied on the cube in the x-direction (Fig. 3). The cube is constrained in the 2-direction such that it cannot expend or contract in that direction. 1. Calculate o 2. Calculate the strain and the change in length in the x-direction 3. Calculate...
A simply supported prismatic beam is loaded with a load applied at an angle at point...
A simply supported prismatic beam is loaded with a load applied at an angle at point F as shown below The beams connecting points CE and EF can be considered rigid (l-very large). The magnitude of the applied load P is 75kN. NOTE: You must use your student number to calculate the magnitude of the angle, α, and the length EF using the expressions below. The angle, α, is given in degrees and the unit for length EF is m...
Problem 14.044 The strain rosette shown in the figure was used to obtain normal strain data at a point on the free surface of a machine part. The rosette measures: 900 HE; Eb -350 με; Ec-1420 με; v-0.14. (a) Determine the strain components εχ,ey, and Yxy at the point. (b) Determine the principal strains (p1> Ep2) and the maximum in-plane shear strain Yip at the point. c) Determine the angle e, counterclockwise is positive, clockwise is negative), and then draw...
Please work the problem out rather than copying someone else's
answer. The other post's answer was wrong and I don't understand
this practice problem
The strain rosette was used to obtain normal strain data at a point on the free surface of a machine part. The measurement are -1110 με. Poisson's ratio for this material is v 0.34. 1290 με, eb-2210 με, and Ec (a) Determine the strain components Ex, £y, (b) Determine the principal strains and the maximum in-plane...
The strain rosette shown was
used to obtain normal strain data at a point on the free surface of
a machine component. Given the values εa= -185 με, εb= -150 με, εc=
55 με, E = 10,800 ksi, and v = 0.33,
determine
(a) the stress components σx, σy, and τxy at the point.
(b) the principal stresses and the maximum in-plane shear stress at
the point; on paper, show these stresses on an appropriate sketch
that indicates the orientation...
1. 4. A material is subjected to two mutually perpendicular strains 350 x10-6 units and - 50 x 10-6 units together with an unknown sheer strain, if the principal strain in the material is 420 x 10 units. If E - 200 GN/m? - 0.3, determine the following. a. a) Magnitude of the shear strain b. b) The other principal strain C. c) The direction of principal strains axes d. d) The magnitude of the principal stresses 1. 5. For...
Question 1: The strains on the surface of an experimental devise are monitored by means of three strain gages A, B and C put at 0-60°, 90° and 120° respectively. The reading of the gages are ε,--90 x 10 , ε,--190 x 10 and e-240 x 10 a-Find the reading of a gage put at θ 0°, along the x-axis. b- Use Mohr's Circle to determine the in-plane principal strains and their directions. c- Determine the absolute maximum shear strain...
End of Semester 1, 2018 STEN2002 Civil Engineering Materials (Total Mark for Question 4: 18) Part A - Question 4 7 complicated frame that was difficult to analyse Using a rectangular strain gauge rosette, the actual strains at point A have been recorded while being subjected to test loads. It is necessary to determine the principal stresses and shear stresses in the actual beam subject to the test loads to check whether the stresses assumed in the design of the...
Question 4 Consider a point in a structural member that is subjected to plane stress. Normal and shear stress magnitudes acting on horizontal and vertical planes at the point are S-15 ksi, s - 7 ksi, and Sy- 11 ksi a) Draw Mohr's circle for this state of stress. (b) Determine the principal stresses (σ01 > σ02) and the maximum in-plane shear stress Tnax acting at the point. c Find the smallest rotation angle θρ counterclockwise is positive dock ise...
I do not have more trials
please solve for these four problems for me thanks!!!
All components below are made of steel with E-200 GPa, G-80 GPa, v-0.25.6.-210 MPa Problem 3: A load of 500 KN is applied on the cube in the x-direction (Fig. 3). The cube is constrained in the 2-direction such that it cannot expend or contract in that direction. 1. Calculate o 2. Calculate the strain and the change in length in the x-direction 3. Calculate...
A simply supported prismatic beam is loaded with a load applied at an angle at point F as shown below The beams connecting points CE and EF can be considered rigid (l-very large). The magnitude of the applied load P is 75kN. NOTE: You must use your student number to calculate the magnitude of the angle, α, and the length EF using the expressions below. The angle, α, is given in degrees and the unit for length EF is m...
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