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TechBrief: LTPP Data Analysis: Validation of Guidelines for k-Value Selection and Concrete Pavement Performance Prediction

Research/Reference: useful for researchers doing further work in the pavement area as well as those developing improved testing and design procedures. Includes documents of historical value.

Primary Topic: Pavement Maintenance

Description: Concrete pavement performance depends greatly on the support that it receives from the base course and underlying soil layers as well as other support-related factors such as slab curling and warping and slab-base friction. The National Cooperative Highway Research Program (NCHRP) Project 1-30, "Support Under Concrete Pavements" (see Reference 1) developed improved procedures for estimating support design inputs and designing concrete pavements. The new recommended design model gives greatly enhanced capabilities to pavement designers. Concepts for use in future mechanistic design methodology were also developed.

FHWA Publication Number: FHWA-RD-97-035

Publication Year: 1997

Document Links: PDF (file size: 0.1 mb)

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Updated: 02/20/2015

United States Department of Transportation - Federal Highway Administration