Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Influence of mineral composition of siliceous rock on its volume change
https://orcid.org/0000-0002-3079-1363
https://orcid.org/0000-0001-7521-3586
Highlights Shrinkage of siliceous rock aggregate shows correlations with its chlorite and bound water content. A simpler evaluation of shrinkage of aggregate using ignition loss from 105 to 600°C is presented. The thermal expansion coefficient of siliceous rock can be evaluated by its quartz content.
Abstract A method for predicting volume changes of aggregate during variations in humidity and temperature was studied. Siliceous rock aggregates commercially available in Japan were sampled from various regions and subjected to XRD (X-ray diffraction) analysis, thermal analysis, and volume change experiments. Drying shrinkage strain and the thermal expansion coefficient of the aggregates were found to be related to their mineral composition and bound water content. Experiments confirmed that drying shrinkage was correlated with the chlorite and bound water content of the aggregate, and that thermal expansion coefficients were correlated with the aggregate’s quartz content.
Influence of mineral composition of siliceous rock on its volume change
https://orcid.org/0000-0002-3079-1363
https://orcid.org/0000-0001-7521-3586
Highlights Shrinkage of siliceous rock aggregate shows correlations with its chlorite and bound water content. A simpler evaluation of shrinkage of aggregate using ignition loss from 105 to 600°C is presented. The thermal expansion coefficient of siliceous rock can be evaluated by its quartz content.
Abstract A method for predicting volume changes of aggregate during variations in humidity and temperature was studied. Siliceous rock aggregates commercially available in Japan were sampled from various regions and subjected to XRD (X-ray diffraction) analysis, thermal analysis, and volume change experiments. Drying shrinkage strain and the thermal expansion coefficient of the aggregates were found to be related to their mineral composition and bound water content. Experiments confirmed that drying shrinkage was correlated with the chlorite and bound water content of the aggregate, and that thermal expansion coefficients were correlated with the aggregate’s quartz content.
Influence of mineral composition of siliceous rock on its volume change
https://orcid.org/0000-0002-3079-1363
https://orcid.org/0000-0001-7521-3586
Highlights Shrinkage of siliceous rock aggregate shows correlations with its chlorite and bound water content. A simpler evaluation of shrinkage of aggregate using ignition loss from 105 to 600°C is presented. The thermal expansion coefficient of siliceous rock can be evaluated by its quartz content.
Abstract A method for predicting volume changes of aggregate during variations in humidity and temperature was studied. Siliceous rock aggregates commercially available in Japan were sampled from various regions and subjected to XRD (X-ray diffraction) analysis, thermal analysis, and volume change experiments. Drying shrinkage strain and the thermal expansion coefficient of the aggregates were found to be related to their mineral composition and bound water content. Experiments confirmed that drying shrinkage was correlated with the chlorite and bound water content of the aggregate, and that thermal expansion coefficients were correlated with the aggregate’s quartz content.
Influence of mineral composition of siliceous rock on its volume change
Igarashi, Go (Autor:in) / Maruyama, Ippei (Autor:in) / Nishioka, Yukiko (Autor:in) / Yoshida, Hidekazu (Autor:in)
Construction and Building Materials ; 94 ; 701-709
12.07.2015
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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