Pendulum Testing of an FRP Composite Guardrail: FOIL Test Numbers 96POl9 Through 96PO23, 97POO1, and 97POO2
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Pendulum Testing of an FRP Composite Guardrail: FOIL Test Numbers 96POl9 Through 96PO23, 97POO1, and 97POO2

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      This report contains the test setup and results from seven pendulum crash

      tests conducted at the Federal Outdoor Impact Laboratory (FOIL) located at the Turner-Fairbank Highway Research Center (TFHRC) in McLean, Virginia. The tests were conducted on fiber-reinforced plastic (FRP) composite guardrail elements. Three 2440~mm-long and four 3660~mm-long FRP specimens were tested. The shorter specimens were tested in a two-post, no end-anchorage configuration and the longer specimens were tested in a four-post, fixed-end configuration. The tests were conducted as part of an ongoing research effort to compare the dynamic response from standard w-beam guardrail with the dynamic response of an FRP composite rail. The data establishes that the energy from a pendulum with a mass of 912 kg and a velocity of 35 km/h is not enough to produce the forces necessary to load the FRP rail element to failure. A heavier, faster pendulum is needed to generate sufficient forces to fail the FRP composite rail. Results from the tests are presented as test summaries of data; graphs of data; and photographs taken before, during, and after the tests.

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