Benkelman Beam versus Dynaflect Deflection Correlation for Flexible Pavements in Florida: Fid-Bau Portal

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Benkelman Beam versus Dynaflect Deflection Correlation for Flexible Pavements in Florida

R. L. McNamara / G. C. Page

The Florida Department of Transportation (FDOT) has been collecting deflection data with a Lane-Wells Dynaflect since 1966. Its use has been primarily confined to research rather than routine-type testing. The primary method used by the FDOT for measuring in-situ structural capacity of existing pavements has been the Benkelman Beam. This report evaluates the suitability of the Dynaflect to replace Benkelman Beam testing. Dynaflect dynamic deflection parameters are compared with Benkelman Beam static deflections. Equipment repeatability is also evaluated. Although the ultimate goal is the application of Dynaflect measurements for pavement designs, procedures for this use are not discussed in this report.

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Benkelman Beam versus Dynaflect Deflection Correlation for Flexible Pavements in Florida

R. L. McNamara / G. C. Page

The Florida Department of Transportation (FDOT) has been collecting deflection data with a Lane-Wells Dynaflect since 1966. Its use has been primarily confined to research rather than routine-type testing. The primary method used by the FDOT for measuring in-situ structural capacity of existing pavements has been the Benkelman Beam. This report evaluates the suitability of the Dynaflect to replace Benkelman Beam testing. Dynaflect dynamic deflection parameters are compared with Benkelman Beam static deflections. Equipment repeatability is also evaluated. Although the ultimate goal is the application of Dynaflect measurements for pavement designs, procedures for this use are not discussed in this report.

Benkelman Beam versus Dynaflect Deflection Correlation for Flexible Pavements in Florida

R. L. McNamara / G. C. Page

The Florida Department of Transportation (FDOT) has been collecting deflection data with a Lane-Wells Dynaflect since 1966. Its use has been primarily confined to research rather than routine-type testing. The primary method used by the FDOT for measuring in-situ structural capacity of existing pavements has been the Benkelman Beam. This report evaluates the suitability of the Dynaflect to replace Benkelman Beam testing. Dynaflect dynamic deflection parameters are compared with Benkelman Beam static deflections. Equipment repeatability is also evaluated. Although the ultimate goal is the application of Dynaflect measurements for pavement designs, procedures for this use are not discussed in this report.

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Title:

Benkelman Beam versus Dynaflect Deflection Correlation for Flexible Pavements in Florida

Contributors:

R. L. McNamara (author) / G. C. Page (author)

Publication date:

1981

Size:

46 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Highway Engineering , Flexible pavements , Deflection , Measuring instruments , Static tests , Dynamic tests , Nondestructive tests , Correlation techniques , Regression analysis , Benkelman beams , Dynaflect equipment

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