2004•Roads & bridges/Roads & bridges (Des Plaines, Ill. Online)Requires access

HAVE IT REPAIRED : CONCRETE MAINTENANCE IS EASY AND AFFORDABLE

M Ayers, S Haislip, S M Waalkes

Abstract

This article focuses on concrete overlays and how they can be a cost- effective method for adding structural capacity and pavement reconditioning. It first discusses unbonded overlays, which involve concrete over concrete, with a thin asphalt layer in between. The advantages obtained from using an asphalt separation layer, as well as those derived from the new concrete layer, are described. A second overlay strategy that is discussed is whitetopping, which involves laying fiber-reinforced over asphalt. The article concludes with a discussion of asphalt repairs and utility cuts in asphalt pavements.

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Available abstract

Key concepts: Overlay, Asphalt, Asphalt concrete, Engineering, Layer (electronics), Civil engineering, Forensic engineering, Asphalt pavement