U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
| Project Information | ||
| Project ID: | FHWA-PROJ-12-0039 | |
| Project Name: | Laboratory Testing of Aggregates for Road and Bridge Construction | |
| Project Status: | Active | |
| Start Date: | March 25, 2013 | |
| End Date: | December 31, 2015 | |
| Contact Information | ||
| Last Name: | Nicks | |
| First Name: | Jennifer E | |
| Telephone: | 202-493-3075 | |
| E-mail: | jennifer.nicks@dot.gov | |
| Office: | Office of Infrastructure Research and Development | |
| Team: | Bridge and Foundation Engineering Team [HRDI-40] | |
| Program: | Innovative Bridge Research and Deployment | |
| Laboratory: | Geotechnical Laboratory | |
| Project detail | ||
| Roadmap/Focus area(s): | Infrastructure Research and Technology Strategic Plan and Roadmap | |
| Project Description: | These projects will use standard and nonstandard specialized laboratory testing equipment to characterize common aggregates used for road and bridge construction. The results of this research will provide new aggregate characterization methods that will benefit geotechnical and pavement engineers who incorporate these materials into their designs. | |
| Goals: |
The primary objectives are:
(1) To compare strength results of American Association of State Highway and Transportation Officials (AASHTO) open-graded aggregates tested using large-scale direct shear.
(2) Investigate effect of relative density and scale on strength of open-graded aggregates.
(3) Quantify strength of AASHTO well-graded aggregates.
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| Product Type: | Research report | |
| Test Methodology: | Laboratory testing | |
| Expected Benefits: | More accurate geotechnical design and strength parameters. | |
| Deliverables: | 1. Name: Strength Characterization of Open-Graded Aggregates Research Report Product Type(s): Research report Description: Research report on the measured strength properties of open-graded aggregates using both the large-scale direct shear (LSDS) and the large diameter triaxial (LDTX) devices. 2. Name: Characterization of Aggregates Research Report. Product Type(s): Research report Description: Research report on the characterization of aggregates used for road and bridge construction. | |
| FHWA Topics: | Research/Technologies--Turner-Fairbank Highway Research Center (TFHRC) | |
| TRT Terms: | Testing Infrastructure Research Bridges Roads Aggregates |
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| FHWA Disciplines: | Geotechnical |
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| Subject Areas: | Bridges and other structures Geotechnology Research |
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