Comparison of the use of notched wedge joints vs. traditional butt joints in Connecticut

Zinke, Scott; Hansen, Gilbert; Jackson, Eric; Shaffer, Gregg; Connecticut Transportation Institute

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Comparison of the use of notched wedge joints vs. traditional butt joints in Connecticut

2008-11-07
By Zinke, Scott ; Hansen, Gilbert ; Jackson, Eric ; ...

[PDF-959.98 KB]

English

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Creators:

Zinke, Scott ; Hansen, Gilbert ; Jackson, Eric ; Shaffer, Gregg

Zinke, Scott ; Hansen, Gilbert ; Jackson, Eric ; Shaffer, Gregg Less -
Corporate Creators:

Connecticut Transportation Institute
Corporate Contributors:

Connecticut. Dept. of Transportation. Office of Research and Materials ; United States. Federal Highway Administration

Connecticut. Dept. of Transportation. Office of Research and Materials ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Asphalt Concrete Pavements Hot Mix Asphalt Pavement Joints Pavements, Asphalt Concrete--Connecticut Pavements, Concrete--Connecticut--Joints Pavements, Concrete--Cracking--Connecticut
Publication/ Report Number:

CT-2249-F-08-4
Resource Type:

Research Paper
Geographical Coverage:

Connecticut
Corporate Publisher:

Connecticut Transportation Institute
Abstract:

Performance of Hot Mix Asphalt (HMA) longitudinal joints have been an item of increasing scrutiny in

Connecticut. The traditional butt joint has typically been the method used in Connecticut. These joints

have been reportedly opening up, creating a longitudinal crack at the joint, and thus, contributing

significantly to the premature failure of the wearing surface. It has been widely speculated that alternative

longitudinal joint construction methods could be employed to reduce the rate at which joints fail. This

project investigated the Notched Wedge Joint, as well as the traditionally used butt joint for comparison

purposes. Two resurfacing projects were constructed in Connecticut during the 2006 paving season, and

one in 2007, that utilized the notched wedge joint construction method. Nuclear density and volumetric

density from cut cores along the longitudinal joints from these projects were investigated. Also

investigated during the 2006 and 2007 construction season were resurfacing projects which utilized the

traditional butt joint.
Format:

PDF
Funding:

1.24-04(06) ; SPR-2249

1.24-04(06) ; SPR-2249 Less -
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:b9c3f49ad95bea58c92b3d91b6f2f41f359f2f5a12c6f52961dba4ac506bf5cc
Download URL:

https://rosap.ntl.bts.gov/view/dot/16975/dot_16975_DS1.pdf
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Comparison of the use of notched wedge joints vs. traditional butt joints in Connecticut

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