Simple Roof Truss Experiment

Four strain gages are attached to four of the members of the truss.

Simple roof truss experiment.

Two of the most used truss bridges are of the pratt and howe design. Lead in to the direct stiffness method and an introduction to the finite. Academia edu is a platform for academics to share research papers. The motivation behind the experiment is to show the application of simultaneous linear equations.

Royal melbourne institute of technology. Statics cive1187 uploaded by. Is a family owned and operated designer and manufacturer of wooden roof trusses in north central idaho. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs.

If you re trying to reinforce a shed or gable roof use a simple king post truss design which has a single vertical joist running through the center of the triangular frame. Simple space trusses can be obtained by adding 3 elements at a time to 3 existing joints and joining all the new members at a point. Widely known for producing a quality product for over 20 years barlow truss provide any type of wooden roof truss you need. The most elementary 3d space truss structure is the tetrahedron.

In this experiment we have tested which type of truss bridge is the strongest yet uses the least amount of material. Through our experiment it was found that the bridge design that minimized the maximum compression force was the howe bridge. An example of using the technolab tm test rig for the seven bar truss experiment. We are loading a truss made of aluminum as shown in figure 1.

The members are connected with ball and socket joints. Roof truss statics lab. For larger structures like floors roofs or decks try a fink truss design which has internal joists arranged in a w shape for extra support. Experiment 3 roof truss 2.