Reducing the Adverse Effects of Transverse Cracking, Construction Report, HR-217, 1981

(1981) Reducing the Adverse Effects of Transverse Cracking, Construction Report, HR-217, 1981. Transportation, Department of

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Abstract

The objective of this research project was to identify a method of reducing the adverse effect of transverse cracking and to improve the performance of asphalt pavement. The research involved three variations from the contractor's planned operation. Briefly, they were: (1) use of another asphalt cement; (2) saw and seal transverse joints; and (3) increased asphalt cement content. The following conclusions were reached: (1) an improved sealant or sealing procedure is needed if transverse joints are to be used in asphalt pavements; (2) the penetration-viscosity number (PVN) is an effective measure of the temperature susceptibility of asphalt cements; (3) the use of a high temperature susceptible asphalt cement produced severe transverse cracking; (4) the use of asphalt cements with low temperature susceptibility will reduce the frequency of transverse cracking; and (5) an increased asphalt cement content in the asphalt treated base will reduce the frequency of transverse cracking.

Item Type: Departmental Report
Keywords: Asphalt cement, Asphalt content, Asphalt pavements, Frost susceptibility, Pendulum tests, Sawing, Sealing (Technology), Temperature, Transverse cracking, Transverse joints, Viscosity
Subjects: Transportation > Pavements
Transportation > Pavements > Asphalt
Transportation
Transportation > Materials
Transportation > Roads and highways
Transportation > Design and Construction
ID Code: 17212
Deposited By: Iowa DOT Library
Deposited On: 13 Jun 2014 12:10
Last Modified: 22 Jan 2015 19:55
URI: http://publications.iowa.gov/id/eprint/17212