Conference Session

Hands-on Materials Science and Engineering

Collection

2008 Annual Conference & Exposition

Authors

Harvey Abramowitz, Purdue University Calumet

Tagged Divisions

Materials

Used to Load BridgeNewA 1000lb Q-Test tensile/compression machine was adapted for use in the bridge testing. Thebottom grip is removed and a support structure put in its place. This structure has a span of 22inches to accommodate the 24 inch long bridge. The upper grip is replaced with a welded steelU- shape. On the bottom of the U are openings for insertion of the steel rod(s). The machine isthen put into compression mode at a constant speed. The software controlling the machine isTestworks 3 from MTS. The loading is much smoother than before and the bridge top staysparallel to the ground. Since using this new method, the students are happier with the testingprocedure. More ‘A’ grades have resulted than with the old tester. The new tester is