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Hillman Composite Beam (Hcb®), Purdue Ect Team
Hillman Composite Beam (Hcb®), Purdue Ect Team
ECT Fact Sheets
The Hillman-Composite Beam (HCB®), is an innovative structural member for use in highway and railroad bridges as well as marine facilities. The HCB is essentially a lightweight reinforced concrete beam strengthened and protected by a corrosion-resistant and resilient Fiberglass Reinforced Polymer (FRP) shell.
The beam is comprised of three main components, a concrete arch (compression reinforcement), an FRP bottom flange encapsulating steel strands tying the ends of the arch together (tension reinforcement) and the FRP shell. Galvanized Rebar “shear connectors” are used to make the beam composite with the concrete deck in the same manner as pre-stressed concrete beams.
The …