( formula and units )
-vertical stress ?
-vertical strain ?
-shear stress ?
-shear strain ?
-axial strain ?
-plane stress ?
( formula and units ) -vertical stress ? -vertical strain ? -shear stress ? -shear strain...
a. Relationship between average normal stress and normal load perpendicular to a cross-sectional area b. Relationship between average shear stress and shear load in-plane with a cross-sectional area C. Average normal strain along a line on a body, given initial and final line lengths d. Hooke's Law applied to relationship between axial stress and strain e. Hooke's Law applied to relationship between torsional stress and strain f. Poisson's ratio between longitudinal and lateral strains g. Modulus of elasticity of steel...
For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-plane stress is zero e. The out-of-plane shear stress is zero For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-plane...
V is called V is called * O Shear stress O Shear strain O Shear force O Shear flow
4. Shear Strength A sample of cohesive soil with undrained shear strength of 30 Kpa is beng tested in a triaxial est with a confining pressure of 15 Kpa (see the figure below). Sketch the failure envelope and Mohr's circle representing the state of stress at failure. Evaluate the following: (i) The vertical axial stress at failure. (ii) The major and minor principal stresses at failure (ii) The orientation of failure plane with respect to horizontal plane. (iv) The normal...
5. Constitutive matrix What is it used for? Differences between plane stress and plane strain Stress and strain tensors in plane stress and plane strain 5. Constitutive matrix What is it used for? Differences between plane stress and plane strain Stress and strain tensors in plane stress and plane strain
In a direct shear test on a sample of cohesionless sand, the vertical normal stress on the sample is 300 kPa and the horizontal shear stress at failure is 200 kPa. a) Assuming uniform stress distribution within the failure zone, determine the magnitude and direction of the principal stresses at failure. b) Explain if it is possible to determine the principal stresses in a direct shear sample for an applied horizontal shear stress which is not large enough to cause...
Stress and strain are related by: a. Young’s Modulus b. Bulk Modulus c. Shear Modulus d. Hooke’s Law
Consider a point in a structural member that is subjected to plane stress. Normal and shear stresses acting on horizontal and vertical planes at the point are shown in Figure 4. Determine the principal stresses and the maximum in-plane shear stress acting at the point. 55 MPa 42 MPa 32 MPa Figure 4
Consider a point in a structural member that is subjected to plane stress. Normal and shear stresse acting on horizontal and vertical planes at the point 8.4 MPa are shown in the figure 44.8 MPa a) Draw Mohr's circle for this state of stress b) Determine the principal stresses and the maximum in- plane shear stress acting at the point. Show these stresses in an appropriate sketch. c) 60.5 MPa
A strain rosette with as shown, the measured strains are . Determine the shear stress if E = 70 GPa and v = 0.25 1 = 0º, e2 = 45°, 03 = 135° {1 = 300 um/m, &z = 100 um/m, 3 = 10 um/m. {2 3 E2 өз 1 м 3 ө х о