October 2006
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In 1993, the Federal Highway Administration (FHWA) initiated a national program to implement the use of high-performance concrete (HPC) in bridges. The program included the construction of demonstration bridges throughout the United States. In addition, other States have implemented the use of HPC in various bridge elements. The construction of these bridges has provided a large amount of data on the use of HPC.
The first part of this project involved collecting and compiling information from each joint State-FHWA HPC bridge project and other HPC bridge projects. The compilation is available on a CD-ROM and includes information on the benefits of HPC, costs, structural design, specified concrete properties, concrete mix proportions, measured properties, associated research projects, sources of data, and specifications. Information from 19 bridges in 14 States is included. A summary of the compiled information is provided in this final report.
The second part of this project involved a review of the American Association of State Highway and Transportation Officials (AASHTO) Standard Specifications for Transportation Materials and Methods of Sampling and Testing, the AASHTO Standard Specifications for Highway Bridges, the AASHTO Load and Resistance Factor Design (LRFD) Bridge Design Specifications, and the AASHTO LRFD Bridge Construction Specifications for provisions that directly impact the use of HPC. The detailed review is included in this report.
The third part of the project involved developing proposed revisions to the AASHTO specifications where sufficient research results exist to support the revisions. Proposed revisions to 15 material specifications, 14 test methods, 30 articles of the standard design specifications, 17 articles of the LRFD design specifications, and 16 articles of the LRFD construction specifications are included in this report. These proposed revisions were submitted to the appropriate AASHTO technical committees for consideration for adoption into the relevant specifications.
Also in the third part of this project, a new material specification for combined aggregates and a new test method for slump flow are proposed. In addition, proposed revisions to the FHWA definition of HPC are included.
The fourth part of the project involved developing specific recommendations for needed research where sufficient results do not exist to support needed changes in the specifications. Six research problem statements related to concrete materials and four research problem statements related to structural design are recommended. These research problem statements have been submitted to the appropriate Transportation Research Board technical committees for prioritization and funding recommendations.
Gary L. Henderson
Director, Office of Infrastructure
Research and Development
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Technical Report Documentation Page
1. Report No. FHWA-HRT-05-056 |
2. Government Accession No. |
3. Recipient's Catalog No. | ||||
4. Title and Subtitle Compilation and Evaluation of Results From High-Performance Concrete Bridge Projects, Volume I: Final Report |
5. Report Date October 2006 | |||||
6. Performing Organization Code | ||||||
7. Author(s) H.G. Russell, R.A. Miller, H.C. Ozyildirim, and M.K. Tadros |
8. Performing Organization Report No. | |||||
9. Performing Organization's Name and Address Henry G. Russell, Inc. |
10. Work Unit No. (TRAIS) | |||||
11. Contract or Grant No. DTFH61-00-C-00009 | ||||||
12. Sponsoring Agency's Name and Address Federal Highway Administration |
13. Type of Report and Period Covered Final Report | |||||
14. Sponsoring Agency's Code | ||||||
15. Supplementary Notes Contracting Officer's Technical Representative (COTR): Joseph L. Hartmann, HRDI-06 | ||||||
16. Abstract In 1993, the Federal Highway Administration (FHWA) initiated a national program to implement the use of high-performance concrete (HPC) in bridges. The program included the construction of demonstration bridges throughout the United States. In addition, other States have implemented the use of HPC in various bridge elements. The construction of these bridges has provided a large amount of data on the use of HPC. The first part of this project involved collecting and compiling information from each joint State-FHWA HPC bridge project and other HPC bridge projects. The compilation is available on a CD-ROM and includes information on the benefits of HPC, costs, structural design, specified concrete properties, concrete mix proportions, measured properties, associated research projects, sources of data, and specifications. Information from 19 bridges in 14 States is included. A summary of the compiled information is provided in this final report. The second part of this project involved a review of the American Association of State Highway and Transportation Officials (AASHTO) Standard Specifications for Transportation Materials and Methods of Sampling and Testing, the AASHTO Standard Specifications for Highway Bridges, the AASHTO Load and Resistance Factor Design (LRFD) Bridge Design Specifications, and the AASHTO LRFD Bridge Construction Specifications for provisions that directly impact the use of HPC. The detailed review is included in this report. The third part of the project involved the development of proposed revisions to the AASHTO specifications where sufficient research results exist to support the revisions. Proposed revisions to 15 material specifications, 14 test methods, 30 articles of the standard design specifications, 17 articles of the LRFD design specifications, and 16 articles of the LRFD construction specifications are included in this report. In addition, a new materials specification for combined aggregates and a new test method for slump flow are proposed. Proposed revisions to the FHWA definition of HPC are also included. The fourth part of the project involved the development of specific recommendations for needed research where sufficient results do not exist to support needed changes in the specifications. Six research problem statements related to concrete materials and four research problems related to structural design are recommended. The appendixes for this volume appears in volume II: | ||||||
17. Key Words Bridges, cast-in-place concrete, high-strength concrete, high-performance concrete, precast concrete, prestressed concrete. |
18. Distribution Statement No restrictions. This document is available to the public through the National Technical Information Service, Springfield, VA 22161. | |||||
19. Security Classif. (of this report) Unclassified |
20. Security Classif. (of this page) Unclassified |
21. No. of Pages 178 |
22. Price n/a |
Form DOT F 1700.7 (8-72) Reproduction of completed page authorized
SI (Modern Metric) Conversion Factors
Appendixes for this document appear in FHWA-HRT-05-057, Compilation and Evaluation of Results from High-Performance Concrete Bridges Projects Volume II: Appendixes
Tables taken from AASHTO Standard Specifications for Highway Bridges, Sixteenth Edition, 1996, and the 1997, 1998, 1999, and 2000 interim revisions
Tables taken from AASHTO LRFD Bridge Design Specifications, Second Edition,
1998, and the 1999, 2000, and 2001 interim revisions
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