Development of a New Adiabatic Calorimeter for Quality Control of Cement
Source abstract
Abstract
As the use of industrial waste as a raw material for the production of cement is expanded, it will become increasingly important to control the adiabatic temperature rise of cement. The evaluation of adiabatic temperature rise in concrete is not adequate for daily quality control because it requires considerable labor. In order to establish a convenient method for evaluating adiabatic temperature rise using only about 30ml of mortar sample, we produced an experimental adiabatic calorimeter. This paper investigates the accuracy and the applicability of this equipment. In addition, the adiabatic temperature rises of cement samples with different C3A content were investigated for future utilization of industrial waste. Values of adiabatic temperature rise measured using this equipment were found to correspond to those obtained using existing equipment, with correction for the heat capacity of the sample container. Clear differences in adiabatic temperature rise were observed among mortar samples with different blending conditions. Changes in adiabatic temperature rise were negligible even when the aluminate phase content of the studied cement was increased from 9 mass% to 12 mass%. These results suggest that quality control of cement and preparatory experiments could be practiced reasonably by using this adiabatic calorimeter.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Concrete and Cement Materials Research · Recycled Aggregate Concrete Performance · Innovative concrete reinforcement materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Technical development Center, Cement & Construction Materials Company, Ube Industries, Ltd., Japan.
Department of Metallurgy and Ceramic Science, Graduate School of Science and Engineering, Tokyo Institute of Technology, Japan.
Tokyo Riko Co., Ltd., Japan.
Tokyo Institute of Technology, Japan.
References (15)
Show source-provided references
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