From the given truss, it is made up of guijo 100 mm x 1500 mm. It is subjected to a vertical load of 20 kN acting at C.
Allowable stress of wooden section.
Shear parallel to the grain = 1.0 MPa
Shear longitudinal for joints = 1.45 MPa
Compression Parallel to the grain = 11 MPa
Compression perpendicular to the grain = 5 MPa
What is the axial stress of member AC?