This Tech Brief presents an overview of best practices for the design and construction of bases and subbases for concrete pavements and its effects on performance. The need and use of …

This document provides a basic overview of Item 247, “Flexible Base,” from the Texas Department of Transportation (TxDOT) 2014 Standard Specifications for Construction and …

Spread and shape flexible base into a uniform layer with an approved spreader the same day as delivered unless otherwise approved. Construct layers to the thickness shown on the plans.

To ensure proper drainage, placement of the base shall begin along the centerline of the pavement on a crowned section or on the highest elevation contour of a pavement with …

INTRODUCTION Millions of tons of graded aggregate base (GAB) materials are used in construction of highway base layers in Maryland due to their satisfactory mechanical …

This guide has been prepared to provide guidance for project selection and design of flexible pavement using aggregate base (AB) enhanced with a biaxial geogrid. Specific information is …

Compact each layer of aggregate base to at least 95 percent of the maximum unit weight at a moisture content no greater than optimum for aggregate base under concrete pavement. …