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Lab 9 - CONSTRUCTION MATERIALS CE 216 Section A Laboratory...

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CONSTRUCTION MATERIALS CE 216 Section A Laboratory Exercise #9 TENSILE STRENGTH YIELD STRENGTH % ELONGATION BENDING TEST FOR CRACKING BOLT INSTALLATION o TURN-OF-THE-NUT METHOD o CALIBRATED WRENCH METHOD o TENSION-CONTROL (TC) BOLTS o DIRECT TENSION INDICATORS (DTI’s) BOLT INSTALLATION INSPECTION o USING TORQUE WRENCH & SKIDMORE-WILHELM BOLT- TENSION CALIBRATOR o USING FEELER GAGE TO CHECK COMPRESSION OF DTI WELD INSPECTION o VISUAL o DYE PENETRANT o MAGNETIC PARTICLE CHARPY V-NOTCH SPECIMEN IMPACT TESTING Squad #1 By:
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May 9, 2008 Results & Discussion The rebar tests were performed very close to specs. The main deviation is that the bend in the rebar did not reach a complete 180 degrees, but it was very close. An inspection was performed on non-hardened steel and it was found that it did not meet Grade 60 requirements because the yield strength was 51,000psi while the minimum should be 60,000psi. An inspection was also performed on various bolting methods: turn-of-the-nut, calibrated wrench, direct tension indicator, and tension control bolt.
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  • Spring '08
  • Richardson
  • Tensile strength, Torque wrench, magnetic particle, CALIBRATED WRENCH METHOD, tension control bolt, BOLT INSTALLATION INSPECTION

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