Question 2

Question 2

Statically Indeterminate Analysis question 2

Determine the normal stresses developed in the bars AB, CD and EF.

Note that CD and EF are symmetrical about B

Determine the normal stresses developed in the bars AB, CD and EF.

Note that CD and EF are symmetrical about B

Click below to show answer. X

Step 1:
1st equation from [ΣF_x = 0]

Step 1:
1st equation from [ΣF_x = 0]

Statically Indeterminate Analysis solution step 1

Step 2:
Determine axial loads P in terms of R_A and R_D

Step 2:
Determine axial loads P in terms of R_A and R_D

Statically Indeterminate Analysis solution step 2

Step 3:
2nd equation from compatibility equation; solve for R_A and R_D

Step 3:
2nd equation from compatibility equation; solve for R_A and R_D

Statically Indeterminate Analysis solution step 3

Useful formula:

Useful formula:

Statically Indeterminate Analysis formula

Congratulations! You've completed all the questions in this topic. Let's look at C2.3: Thermal Deformation now.