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Long-span bridges are often used in environmentally sensitive terrains, water crossings, and in locations with traffic and geometric restrictions.

The TRB National Cooperative Highway Research Program's NCHRP Research Report 994: Use of 0.7-in. Diameter Strands in Precast Pretensioned Girders presents the design methodology for precast pretensioned girders using 0.7-in. diameter strands based on comprehensive analytical and testing programs. The use of 0.7-in. diameter strands would help bridge designers extend the spans of the existing girder shapes.

Supplemental to the report is NCHRP Web-Only Document 315: Details of the Study on the Use of 0.7-in Diameter Strands in PrecastPretensioned Girders.

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2022. Use of 0.7-in. Diameter Strands in Precast Pretensioned Girders. Washington, DC: The National Academies Press. https://doi.org/10.17226/26677.

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Publication Info

162 pages |  8.5 x 11 |  Paperback
ISBN: 978-0-309-68704-1
DOI: https://doi.org/10.17226/26677

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