Basic Roof Truss
Specification:
- 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