Basic Roof Truss

Basic Roof Truss

Evaluation of co-planar forces in the struts and tie of a basic roof truss
Effect of changing tie bar length
The apparatus consists of two rafter struts and a restraining tie mounted on a self contained, bench top base.
Both struts and tie incorporate linear, direct reading spring balances to measure forces
Loading at the hinged apex by load hanger
The tie length, and hence angle of truss, variable
Struts and tie re-adjustable to original lengths
An instruction manual for student and lecturer provided
Set of weights