Structural Overlay Strategies for Jointed Concrete Pavements. Volume II: Cracking and Seating of Concrete Slabs Prior to AC Overlay

Kilareski, Walter P.; Stoffels, Shelley M.; ERES Consultants, Inc.; Pennsylvania Transportation Institute

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Structural Overlay Strategies for Jointed Concrete Pavements. Volume II: Cracking and Seating of Concrete Slabs Prior to AC Overlay

1990-06-01
By Kilareski, Walter P. ; Stoffels, Shelley M.

[PDF-2.36 MB]

English

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Details:

Creators:

Kilareski, Walter P. ; Stoffels, Shelley M.

Kilareski, Walter P. ; Stoffels, Shelley M. Less -
Corporate Creators:

ERES Consultants, Inc. ; Pennsylvania Transportation Institute

ERES Consultants, Inc. ; Pennsylvania Transportation Institute Less -
Contributors:

Larson, Roger M.
Corporate Contributors:

United States. Federal Highway Administration. Office of Engineering and Highway Operations R&D
Subject/TRT Terms:

[+]

Asphalt Concrete Concrete Overlays Crack And Seat Treatment Portland Cement Concrete Reflection Cracking Sawing Sealing (Technology) Slabs
Publication/ Report Number:

FHWA-RD-89-143
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. Federal Highway Administration
Abstract:

A major field study and evaluation has been conducted into the effectiveness of three structural overlay types for Portland cement concrete (PCC) pavements. These include sawing and sealing asphalt concrete (AC) overlays of PCC pavements, cracking and seating PCC pavements prior to AC overlay, and constructing a thin bonded PCC overlay on top of the existing PCC pavement. Condition surveys, deflection testing, and roughness measurements were performed on a total of 55 sections. The performance of these sections was evaluated and the effectiveness of each overlay type analyzed. Based on the field data, guidelines were developed for the use of structural overlays. In addition, the results of this study were used to revise and enhance the EXPEAR rehabilitation advisory system. This volume examines the rehabilitation technique of cracking and seating PCC pavement prior to overlay, which has been used to reduce reflection cracking. Cracking the slabs reduces slab movement due to temperature changes; seating the slabs stabilizes the pieces. The first part of this report examines the literature and evaluates the performance of inservice crack and seat overlays from several States; the second part incorporates these research findings into guidelines for crack and seat techniques and specifications.
Format:

PDF
Funding:

DTFH61-86-C-00079
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:1bc2b3abdc141929432c2529ab5d1a8970713c245931c9d848702e5f4c1ae463
Download URL:

https://rosap.ntl.bts.gov/view/dot/68274/dot_68274_DS1.pdf
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Structural Overlay Strategies for Jointed Concrete Pavements. Volume II: Cracking and Seating of Concrete Slabs Prior to AC Overlay

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