Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Alkali etching tests on concrete aggregates
Tests for determining reactivity of aggregate with high alkali cements is described, which consists of microscopic examination of polished surfaces of rocks and minerals after etching in various alkaline hydroxide and sulphate solutions; pure opal, opaline chert and opaline limestone are readily etched, while volcanic glass, certain feldspars, chalcedony, calcite and dolomite are slightly etched under some test conditions. (See also - discussion n 6 discussion June p 244-1)
Alkali etching tests on concrete aggregates
Tests for determining reactivity of aggregate with high alkali cements is described, which consists of microscopic examination of polished surfaces of rocks and minerals after etching in various alkaline hydroxide and sulphate solutions; pure opal, opaline chert and opaline limestone are readily etched, while volcanic glass, certain feldspars, chalcedony, calcite and dolomite are slightly etched under some test conditions. (See also - discussion n 6 discussion June p 244-1)
Alkali etching tests on concrete aggregates
Am Concrete Inst -- J
Parsons, W.H. (Autor:in) / Insley, H. (Autor:in)
1944
45 pages
Aufsatz (Zeitschrift)
Englisch
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