Effective Prime Coats for Compacted Pavement Bases [Final Report, Summary, and Appendix D slides and videos]

Freeman, Thomas J.; Button, Joe W.; Estakhri, Cindy K.; Texas Transportation Institute

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Effective Prime Coats for Compacted Pavement Bases [Final Report, Summary, and Appendix D slides and videos]

2010-08-01
By Freeman, Thomas J. ; Button, Joe W. ; Estakhri, Cindy K.

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English

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Details:

Alternative Title:

Project title: Develop guidelines for effective prime coats
Creators:

Freeman, Thomas J. ; Button, Joe W. ; Estakhri, Cindy K.

Freeman, Thomas J. ; Button, Joe W. ; Estakhri, Cindy K. Less -
Corporate Creators:

Texas Transportation Institute
Corporate Contributors:

Texas. Dept. of Transportation ; United States. Federal Highway Administration

Texas. Dept. of Transportation ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Maintenance Pavement Maintenance Pavements Pavements--Texas--Maintenance And Repair Repairing Roads--Texas--Base Courses--Maintenance And Repair.
Publication/ Report Number:

FHWA/TX-10/0-5635-1
Resource Type:

Tech Report
Geographical Coverage:

Texas
OCLC Number:

670106064
Edition:

Technical report; Sept. 2007-Aug. 2009.
Corporate Publisher:

Texas Transportation Institute
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Materials;NTL-HIGHWAY/ROAD TRANSPORTATION-Construction and Maintenance;
Abstract:

Prime coats have long been used to seal the surface pores in the base, thus reducing the migration of moisture and absorption of the first application of surface treatment binder, strengthen the granular base near its surface by binding the finer particles of aggregate, help protect the base from inclement weather and limited vehicular traffic before the next pavement layer is constructed, and promote adhesion between a granular base and a subsequently applied bituminous surface by precoating the surface of the base and by penetrating the voids near the surface.

The main objective of this research project was to evaluate the effectiveness of prime coats and determine which combinations of methods and materials provide the most benefit to TxDOT. Testing methods and equipment were developed to measure the penetration of the prime coat into the base course and to determine the increase in adhesion and cohesion at the surface of the base course provided by the prime coat.

Supporting files include the project summary, and a zip file of videos and a powerpoint slide deck for Appendix D of the report.
Format:

PDF
Funding:

0-5635
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:caa2460dca6a58271314cbb6c4a4b2440f3a52a8665ad5313d6e5ac6d15b223e
Download URL:

https://rosap.ntl.bts.gov/view/dot/18310/dot_18310_DS1.pdf
File Type:

	Project Summary	pdf
	Appendix D slides and videos	zip

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