Research Notes: NCAT Rutting Study

Oregon State Highway Division, Materials and Research Section

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Research Notes: NCAT Rutting Study

1990-01-01
By Oregon State Highway Division, Materials and Research Section

[PDF-56.77 KB]

English

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Details:

Alternative Title:

NCAT rutting study.
Corporate Creators:

Oregon State Highway Division, Materials and Research Section
Subject/TRT Terms:

[+]

Asphalt Concrete Pavements Asphalt Content Asphalt Paving Compaction Concete Roads Densification Mix Design Moisture Damage Plastic Flow Rutting Rutting Resistant Pavements Surface Course (Pavements) Surface Lift
Publication/ Report Number:

RSN 90-1
Resource Type:

Tech Report
Geographical Coverage:

Oregon ; United States

Oregon ; United States Less -
Corporate Publisher:

Oregon State Highway Division, Materials and Research Section
Abstract:

Preliminary finding by the National Center for Asphalt Paving Technology (NCAT) indicate that the rutting at three sites in Oregon was caused by the following: densification of the surface lift due to low initial compaction, moisture damage and/or densification of the lower lifts due to low initial compaction, and plastic flow in the lower lifts due to excessive asphalt content. Preliminary recommendation by the NCAT for the design and construction of rut-resistant pavements are: modify mix design, adjust laboratory compactive effort as needed and additional compaction should be used rather than increasing the asphalt content.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:ddca6c0ed93a4f705f7e1bf2c07c2e353fb96fde5deed499d005ae7b184cdb18
Download URL:

https://rosap.ntl.bts.gov/view/dot/39432/dot_39432_DS1.pdf
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Research Notes: NCAT Rutting Study

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