Question 2

The picture above shows a gondola lift with the dimensions given for its supporting arm.

Determine the maximum normal stress developed in section a-a. Calculate also the principal stresses σ₁, σ₂, σ₃ and τ_abs-max at the point of maximum stress.

The picture above shows a gondola lift with the dimensions given for its supporting arm.

Determine the maximum normal stress developed in section a-a. Calculate also the principal stresses σ₁, σ₂, σ₃ and τ_abs-max at the point of maximum stress.

Click below to show answer. X

Step 1:
Calculate stresses at section a-a

Step 1:
Calculate stresses at section a-a

3D Mohr’s Circle and Abs. Max Shear Stress solution step 1

Step 2:
Construct 3D Mohr's circle

Step 2:
Construct 3D Mohr's circle

3D Mohr’s Circle and Abs. Max Shear Stress solution step 2

Step 3:
Calculate σ₁, σ₂, σ₃ and τ_abs-max

Step 3:
Calculate σ₁, σ₂, σ₃ and τ_abs-max

3D Mohr’s Circle and Abs. Max Shear Stress solution step 3

Useful formula:

Useful formula:

3D Mohr’s Circle and Abs. Max Shear Stress formula

Congratulations! You've completed all the questions in this topic. Let's look at C8: Strain Transformation now.

Question 2

Question 2

Step 1: Calculate stresses at section a-a Step 1: Calculate stresses at section a-a

Step 2: Construct 3D Mohr's circle Step 2: Construct 3D Mohr's circle

Step 3: Calculate σ1, σ2, σ3 and τabs-max Step 3: Calculate σ1, σ2, σ3 and τabs-max

Useful formula: Useful formula:

Step 1:
Calculate stresses at section a-a

Step 1:
Calculate stresses at section a-a

Step 2:
Construct 3D Mohr's circle

Step 2:
Construct 3D Mohr's circle

Step 3:
Calculate σ₁, σ₂, σ₃ and τ_abs-max

Step 3:
Calculate σ₁, σ₂, σ₃ and τ_abs-max

Useful formula:

Useful formula: