Lightweight aggregate abrasion study.

Rushing, Hollis B.; Louisiana. Department of Highways

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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

Lightweight aggregate abrasion study.

1963-02-01
By Rushing, Hollis B.

English

Details You May Also Like

Details:

Creators:

Rushing, Hollis B.
Corporate Creators:

Louisiana. Department of Highways
Subject/TRT Terms:

[+]

Abrasion Density Gravel Lightweight Aggregates Los Angeles Abrasion Test Sieves Tests Volume
Resource Type:

Tech Report
Geographical Coverage:

Louisiana
Corporate Publisher:

Louisiana. Department of Highways
Abstract:

The rapid increase in the use of lightweight aggregates in structural concrete has created a number of problems for the Materials Engineer in evaluating this type aggregate. Exhaustive studies are being made of a number of properties of lightweight aggregates.

The Los Angeles abrasion test, ASTM Methods: C 131, does not make any provision for t he density of aggregates in that it requires a certain sample size, by weight, regardless of the weight-volume relationship of the material. Consequently, when the aggregate is lighter, the resulting volume charged into the drum is larger. With very light aggregates, this may affect the results, due to the cushioning effect of the additional volume, giving an eroneous lower abrasion loss.
Format:

PDF
Funding:

Research Project 61-7C, HPS 1(18)
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:6d03849e4234bbfea058bb8304b01db77bd3337be87a9688a7ef6235c4d6a1ad
Download URL:

https://rosap.ntl.bts.gov/view/dot/22090/dot_22090_DS1.pdf
File Type:

[PDF-1.04 MB]