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Title no. 105-M68
Accurate determination of the compressive strength of very high strength concrete is currently a difficult proposition due to large testing machine capacity requirements and the need for cylinder end preparation. An experimental program was conducted to determine whether...
The Federal Highway Administration (FHWA) plays a key leadership role in sponsoring, sustaining, and guiding highway research. As a leader in the transportation research and technology (R&T) field, FHWA is working to improve its R&T program and to deploy innovations and technologies....
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Bridge owners face the potential problem of not being able to characterize the foundations of bridges over dry land and waterways. This information is critical in their decisionmaking process for determining whether they can rely on the...
Q: What is concrete?
A: Concrete is a composite material made from coarse aggregate (rocks), fine aggregate (sand), portland cement, and water. When mixed, the portland cement and water combine together in a chemical reaction to create the glue that holds together the...
The following interactive map displays in-service bridges in the United States that use ultra-high performance concrete.
Click on an individual data point to display...
UHPC: A Robust Solution for Highway Infrastructure
Advances in the science of concrete...
Geotechnical Laboratory Research Team
The geotechnical research team is currently comprised of two full-time Federal staff members, with additional full-time contract staff members, and other supplementary technical support as needed. In addition, the team occasionally...
The Federal Highway Administration (FHWA) geotechnical research program conducts applied research with the aim of saving time and money while also delivering a better product. The core mission of the program is to advance the state of the...