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Some unusual alkali-expansive aggregates
Abstract The subgreywackes from the quarry at Alert, Ellesmere Island, N.W.T., Canada, have been found by length-change tests to have a definite potential for causing expansion of concrete by a type of alkali-aggregate reaction. The rocks are physically sound but have petrographic affinities with known alkali-expansive rocks in the maritime provinces. Rocks of this sort may be recognized by a petrographer familiar with this type of problem.
Some unusual alkali-expansive aggregates
Abstract The subgreywackes from the quarry at Alert, Ellesmere Island, N.W.T., Canada, have been found by length-change tests to have a definite potential for causing expansion of concrete by a type of alkali-aggregate reaction. The rocks are physically sound but have petrographic affinities with known alkali-expansive rocks in the maritime provinces. Rocks of this sort may be recognized by a petrographer familiar with this type of problem.
Some unusual alkali-expansive aggregates
Gillott, J.E. (author) / Swenson, E.G. (author)
Engineering Geology ; 7 ; 181-195
1973-10-25
15 pages
Article (Journal)
Electronic Resource
English
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