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Title:

Field Trial of Infrared Joint Heater to Improve Longitudinal Joint Performance in New Hampshire
Cover of Field Trial of Infrared Joint Heater to Improve Longitudinal Joint Performance in New Hampshire

Accession Number:

01020469

Record Type:

Component

Availability:

Transportation Research Board Business Office

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Washington, DC 20001 USA
Order URL: http://www.trb.org/Main/Public/Blurbs/158001.aspx

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Order URL: http://worldcat.org/isbn/0309099544

Abstract:

Longitudinal joint cracking is one of the most prevalent forms of distress in asphalt concrete pavements. The joint area does not achieve the same density as the mat because of an unconfined edge on the initial pass and a cold joint during the second pass. The lower density allows water to penetrate, and the material cracks, usually within a year of construction. There are many techniques for constructing longitudinal joints; one is to preheat the joint before paving the second lane. A field study conducted in New Hampshire used an infrared joint heater on the base, binder, and surface layers of a full-depth hot-mix asphalt pavement. Thermocouples were embedded in the pavement to determine the extent of heat penetration from the infrared heaters. Cores were taken along the joint and in the travel lanes for both control and infrared test sections. Density and strength measurements taken on the cores show some statistically significant improvements in the joint constructed by using the infrared heater. Permeability measurements along the control and test joints were performed and show average differences between the two sections. Cracking surveys on the binder and surface layers performed 1 year after construction showed that the section of pavement where the infrared heater was used has significantly less cracking than the control section.

Monograph Title:

Construction 2006

Monograph Accession #:

01031140

Language:

English

Authors:

Daniel, Jo Sias
Real, William L

Pagination:

pp 157-162

Publication Date:

2006

Serial:

Transportation Research Record: Journal of the Transportation Research Board

Issue Number: 1946
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309099544

Media Type:

Print

Features:

Figures (3) ; Photos (1) ; References (10) ; Tables (3)

Geographic Terms:

Subject Areas:

Construction; Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I52: Construction of Pavements and Surfacings

Files:

PRP, TRIS, TRB, ATRI

Last Modified:

Apr 28 2010 1:39PM

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