Variation in temperature and mechanical properties of asphaltic concrete due to storage in surge bins.

Hearld, John L.; Lay, Larkin D.; Shah, S. C.; Louisiana. Department of Highways. Maintenance Section

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Variation in temperature and mechanical properties of asphaltic concrete due to storage in surge bins.

1973-03-01
By Hearld, John L. ; Lay, Larkin D. ; Shah, S. C.

English

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Details:

Creators:

Hearld, John L. ; Lay, Larkin D. ; Shah, S. C.

Hearld, John L. ; Lay, Larkin D. ; Shah, S. C. Less -
Corporate Creators:

Louisiana. Department of Highways. Maintenance Section
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Aggregates Asphalt Concrete Heating (Structures) Hot Mix Asphalt Mixtures Physical Properties Silos Storage Facilities Surge Bins Temperature Wearing Course (Pavements)
Publication/ Report Number:

Research Report No. 67
Resource Type:

Tech Report
Geographical Coverage:

Louisiana
Corporate Publisher:

Louisiana. Department of Highways. Research and Development Section
Abstract:

The Louisiana Department of Highways specifications on asphaltic concrete allow the contractors to use silos or surge bins for storage of asphaltic concrete mixtures. However, the maximum allowable storage time of the hot mix, if the contractor elects to use such a facility, is set up arbitrarily. The present allowable time for heated silos is established according to the maximum size of aggregate in the mix and the type of heating system used in the storage facility. For unheated surge bins, the maximum allowable storage time is two hours.

This study was initiated to seek data relative to the effects of storage time and temperature on the physical properties of asphaltic concrete. however, temperature was considered a major criteria for storage time.

The scope of the study was confined to unheated surge bins at a hot mix plant during a late summer period. The mixture evaluated was a wearing course sand-gravel mix with 3/4 inch maximum size aggregate.
Format:

PDF
Funding:

Research Project No. 72-2B(B)
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:0eed3695bf151dbde86368788df4123f9a9f9aea739d00d224fd58ff885414f2
Download URL:

https://rosap.ntl.bts.gov/view/dot/22036/dot_22036_DS1.pdf
File Type:

[PDF-825.68 KB]