United States Department of Transportation
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Aesthetically Pleasing Concrete Combination Pedestrian-Traffic Bridge Rail – Texas Type C411
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1991-02-01
[PDF-9.19 MB]
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Edition:Final Report: September 1989 - August 1990
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Abstract:Research has developed railings to withstand impact loads from vehicles of ever-increasing size; however, aesthetic considerations have been overshadowed by safety and structural requirements. The objective of this research study was to develop aesthetically pleasing, structurally sound railings that can serve as alternative railings in city or urban areas. This report presents a new concrete combination pedestrian-traffic bridge rail--Texas Type C411. This bridge rail was constructed of reinforced concrete 42 in. high by 12 in. thick and contains 6 in. wide by 28 in. high openings at 18 in. center-to-center longitudinal spacing. The combination pedestrian-traffic bridge rail was located on a 6 ft wide sidewalk with 8 in. high curb separating it from the traffic. The bridge rail was developed for use on urban streets where the speed limit would be 45 mph or less. Service Level 1 of NCHRP 230 and Performance Level 1 of the 1989 AASHTO Guide Specifications for Bridge Railings were considered inappropriate.
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