Effect of Environment on Durability of Pavement Materials: An Overview

by A. S. Rajagopal, Univ of Mississippi, United States,
K. P. George, Univ of Mississippi, United States,



Document Type: Proceeding Paper

Part of: Serviceability and Durability of Construction Materials

Abstract: The best known causes of material degradation in pavements include environment, traffic loads, and the use of substandard materials. Presented in the paper is a critical review of the environmental effects on material durability and, in turn, on pavement distresses. Moisture/precipitation and ambient temperature constitute the most influential environmental effects, which separately or collectively destroy the integrity of pavement materials - portland cement concrete, asphalt concrete, aggregates and subgrade soils. To highlight the significance of environmental effects, the authors, employing performance data of in-service pavements, present a comparative analysis of environmental damage as opposed to load-induced damage.

Subject Headings: Construction materials | Material durability | Environmental issues | Concrete pavements | Pavement condition | Asphalt concrete | Load factors

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