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Lightweight Structural Concrete Aggregate from Municipal Waste Glass.

Authors
Liles-KJ
Source
Proc 5th Miner Waste Util Symp Chicago, Illinois, 1976 Apr; :219-222
Link
NIOSHTIC No.
10009934
Abstract
The Bureau of Mines Tuscaloosa (Alabama) Metallurgy Research Center produced a good-quality lightweight aggregate from waste glass that can be used in structural concrete. A pelletized mixture of 78 pct ground waste glass, 20 pct clay, and 2 pct sodium silicate was expanded at 1,550 deg f to a product with a loose pour weight of 75 lb/cu ft. Concrete test cylinders made from the lightweight aggregate had a unit weight of 104 lb/cu ft and a compressive strength of 2,550 psi after a 28-day steam cure. The compressive strength increased to 3,050 psi after 1 year of exposure to weather. Data with respect to the potential alkali reactivity of the aggregate and cement-aggregate combinations are also presented.
Publication Date
19760401
Document Type
OP;
Fiscal Year
1976
NTIS Accession No.
NTIS Price
Identifying No.
OP 78-76
NIOSH Division
TURC;
Source Name
Proc. 5th Miner. Waste Util. Symp., Chicago, Illinois, Apr. 13-14, 1976, PP. 219-222
State
IL;
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