Answer to Question #330080 in Civil and Environmental Engineering for James

Question

A timber wall 75 mm wide, 75 mm deep and 3.50 m high is assumed to be fixed at the top and bottom.

It is subjected to uniformly distributed load of 388 N/m acting along the weaker axis of its entire height. The wall is made up of Apitong wood with 80% stress grade with properties as shown:

Bending and tension parallel to the grain = 16.5 MPa

Modulus of Elasticity in Bending = 7310 MPa

Compression parallel to the grain = 9.56 MPa

Compression perpendicular to the grain = 2.20 MPa

Compute for the following:

a) Allowable compressive stress

b) Allowable bending stress

c) Maximum axial load