Case Study #6: Cracking in Beams and Columns of Parking
Garage, New York State
Problem: Cracking in columns and at flange-web
intersections of T-beams, due to asymmetrical design and
Results: Impact-Echo identified cracks at
flange-web intersections in certain T-beam
configurations, determined extent of cracking in
columns, and confirmed that solid cores existed in some
Verification: Expansion joints in slabs removed
to expose cracks in T-Beams.
Outcome: Impact-Echo test results used to design
and implement comprehensive repairs.
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