Polyurethane foam for roadway stabilization NH Route 129, Loudon, NH.

Boisvert, Denis M.

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Polyurethane foam for roadway stabilization NH Route 129, Loudon, NH.

2016-12-12
By Boisvert, Denis M.

File Language:

English

Details

Creators:

Boisvert, Denis M.
Corporate Creators:

New Hampshire. Dept. of Transportation. Bureau of Materials and Research
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:
Publication/ Report Number:

FHWA-NH-RD-15680H
Resource Type:

Tech Report
Geographical Coverage:

United States ; New Hampshire
Edition:

Final report
Corporate Publisher:

New Hampshire. Dept. of Transportation. Bureau of Materials and Research
Abstract:

This report summarizes the evaluation of the performance of polyurethane foam as a method of roadway ; stabilization for a rural roadway experiencing substantial frost heaving. ; NHDOT is responsible for many roads which have evolved from gravel roadways and were not constructed with a ; full aggregate layer. These “unconstructed” roads often experience significant to severe frost heaving due to poor ; soil conditions and/or inadequate drainage. ; Segments of NH Route 129 received polyurethane injection in 2011 and 2013. Observations of the roadway ; indicated rutted conditions begin to return after several years, meaning that the soil displacements continue to ; occur in the spring as the frost leaves the soil. ; The goal of the treatment was to improve stability to the point where the roadway could be considered as a ; candidate for pavement preservation treatments. The failure to meet that goal means that the cost benefits of the ; resulting improvements are not adequate to implement this research.
Format:

PDF
Alternate URL:

http://ntl.bts.gov/lib/60000/60500/60588/FHWA-NH-RD-15680H.pdf
Funding:

15680H, A001(220)
Download URL:

https://rosap.ntl.bts.gov/view/dot/31662/dot_31662_DS1.pdf
File Type:

[PDF - 2.88 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha256:b61c413dfcf2b5b9051076dd04b0a9671f5912b0388ddf0aa43da3f8e3fb8900

File Language:

English

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