Nchrp Report 350 Test 3 11 Of The Washington Type 2 Concrete Barrier
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NCHRP Report 350 Test 3-11 of the Washington Type 2 Concrete Barrier
Author | : Delbert Lance Bullard |
Publisher | : |
Total Pages | : 89 |
Release | : 2001 |
Genre | : Median strips |
ISBN | : |
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Two crash tests are required to evaluate portable concrete barriers, such as Washington Department of transportation (WsDOT) Type 2 concrete barriers, to NCHRP Report 350 test level three (TL-3). NCHRP Report 350 test designation 3-10 involves an 820 kg passenger vehicle impacting the critical impact point (CIP) of the length of need (LON) section at a nominal speed and angle of 100 km/h and 20 degrees. NCHRP Report 350 test designation 3-11 involves a 2000 kg pickup truck impacting the CIP of the LON section at a nominal speed and angle of 100 km/h and 25 degrees. Finite element analysis using LS-DYNA was used to simulate NCHRP Report 350 test designation 3-11 with the 2000 kg pickup truck on the standard Type 2 concrete barrier with a pin and loop connection and two modified pin and loop connections. In subsequent full-scale crash tests, both the standard and a modified concrete barrier met the evaluation criteria of NCHRP Report 350 for Test 3-11. For each of the two pin and loop configurations crash tested, the Washington Type 2 concrete barrier met the evaluation criteria of NCHRP Report 350 for test 3-11.
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