1831Civil EngineeringMedium
A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber)________?
ABD2 + mbd2)/4D]
BBD2 + mbd3)/4D]
CBD2 + mbd2)/6D]
DBD3 + mbd3)/6D]
Correct answer
D. BD3 + mbd3)/6D]
Explanation
The correct answer is BD3 + mbd3)/6D].