Ottawa sand

Ottawa sand

Naturally rounded grains of nearly pure quartz, produced by processing silica sand obtained from deposits near Ottawa, Ill.; used in mortar test specimens in testing hydraulic cement. Also see standard sand, graded standard sand.
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Figure 6 shows a typical set of results from this research for a CIU cyclic triaxial tests data regarding on an Ottawa sand sample; this figure shows three plots representing deviator stress, excess pore pressure, and axial strain measurement as a function of number of load cycles.
When Pat Stogran drew a proverbial line in the Ottawa sand last year, he brought with him a pamphlet issued some years ago by the Canadian Alliance party.
4), have concluded that the addition of glass fibers increased the strength (made with polyester resin and Ottawa sand with uniform size aggregates) in compression, flexure, and splitting tension.

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