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Oct 25, 2024Keywords:
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Main Article Content
Development and application of concrete sensor to measure onsite strength of concrete
Abstract
According to sustainable development goals 13 which emphasized on Infrastructure, Innovation and Industry. Innovation through creation and development of device is important in order for developing countries like Nigeria to attain her self-realization in industrialization. In this paper, a concrete sensor called “ConSor” was developed to measure onsite strength of concrete using the principle of maturity described in ASTM C-1074. The materials used are DB1386 thermocouple, arduino board having wireless modules and components to enable seamless and wireless communication of data to the web. The device was programmed using C++ to read temperature (heat data) generated from the concrete and convert it using the maturity function (equation) to maturity. The maturity was thereafter converted to strength through calibration from crushed laboratory samples of same mix. The results obtained from the developed device was compared with industryestablished concrete sensors (Commandcenter sensor and Hilti concrete sensor) and laboratory samples using appropriate standards of concrete testing. The results obtained at each curing ages for the Consor was closer in accuracy of ±0.05N/mm2 to the industry- established concrete sensors for strength and ±0.5℃ and for temperature readings. This is a clear indication that the developed device has capacity and suitability to be deployed for onsite strength of concrete.
