Characteristics of Kedondong Trass and Bobos Trass as Cement Raw Material, Cirebon, West Java, Indonesia
نویسندگان
چکیده
The use of cement materials in construction continues to increase every year, consumes lots raw material and emits CO2 from clinker production. To eliminate this negative effect, alternative are needed. Trass is natural pozzolan which formed silica-alumina rich volcanic rocks. As supplementary cementitious material, trass sufficiently durable reduce proportion mixture, thus more environmentally friendly.
 This research aims determine characteristics composition Kedondong Bobos trass, Cirebon, West Java as for cement. study was conducted using petrography XRD analysis mineralogy XRF carried out chemical well other tests quality.
 originated andesite intrusion andesitic breccia, while hypersthene-andesite intrusion. Based on analysis, trasses have similar mineral consist plagioclase, quartz, pyroxene, hornblende, sanidine. shows abundance cristobalite tridymite each samples. confirmed by geochemistry result, the samples contain than 70% SiO2 + Al2O3 less 4% SO3. Other that been tested moisture content, ignition loss, clay content all those parameters meet industrial standard material.
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ژورنال
عنوان ژورنال: Journal of geoscience, engineering, environment and technology
سال: 2022
ISSN: ['2503-216X', '2541-5794']
DOI: https://doi.org/10.25299/jgeet.2022.7.1.8180