Phosphoric acid as an asphalt modifier guidelines for use : acid type.

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Phosphoric acid as an asphalt modifier guidelines for use : acid type.

2008-01-01
By Turner-Fairbank Highway Research Center

[PDF-112.51 KB]

English

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Details:

Corporate Creators:

Turner-Fairbank Highway Research Center
Subject/TRT Terms:

[+]

Additives Asphalt Pavements Pavements, Asphalt--Additives Phosphoric Acid
Publication/ Report Number:

FHWA-HRT-08-061;HRDI-11/05-08(Web)E
Resource Type:

Booklet/Pamphlet
Geographical Coverage:

United States
OCLC Number:

768860973
Corporate Publisher:

Turner-Fairbank Highway Research Center
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Materials
Abstract:

Any grade of phosphoric acid can be used as an asphalt modifier. The stiffening effect is asphalt dependent. All grades of acid will yield similar results. However, the more diluted grades contain water, which may result in foaming problems as the water boils when the acid is added to hot asphalt. The use of crude green acid is not recommended as it contains acid impurities that are likely to cause corrosion of equipment.
Format:

PDF
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:56f1233b1699443a58c085ee43d03a89bc1d4b6d4bd91de1202f6530fced65a0
Download URL:

https://rosap.ntl.bts.gov/view/dot/826/dot_826_DS1.pdf
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Phosphoric acid as an asphalt modifier guidelines for use : acid type.

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