Guardrail Testing Program: Final Report
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1990-06-01
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Edition:Final Report
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Abstract:A series of crash tests were conducted to evaluate aesthetic guardrails, guardwalls, median barriers and bridge rails that have been designed for use on park roads, parkways and other federal lands roads. Following two iterations of redesign, a steel-backed wooden guardrail showed acceptable performance when tested and evaluated in accordance with NCHRP Report 230. The successful system feature 10-in by 12-in by 7-ft (0.25-m b 0.30-m by 2.1-m) posts. A rough stone masonry guardwall showed acceptable performance when tested and evaluated in accordance with NCHRP Report 230, following a modification consisting of raising the concrete core. An artificial stone median barrier made of precast concrete showed acceptable performance when tested and evaluated in accordance with NCHRP Report 230. The excellent appearance of this artificial stone barrier makes it a very acceptable replacement for natural stone barriers. The use of this barrier could result in a great saving of time, labor and money. A smooth-stone masonry bridge rail showed acceptable performance when tested and evaluated in accordance with NCHRP Report 230. Designs were developed for a removeable guardrail system planned to be used in Glacier National Park.
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Main Document Checksum:urn:sha-512:d9dc2c0d3b9d48895262546b43602c8ada1951c8b1a7d17941d96047859de28132e4cabea9e6c71b9991ebdf5af7d510d8d85002b5e88886d13f297eede2993d
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