Development of Quality Control Equipment and Technology Using IoT for Cement Concrete Pavement

Recently, the cost of road repairs increases every year because of an early-age distresses and the fact that the quality of the concrete mixtures produced in a batch plants are not stable. A stable quality control of cement concrete mixtures is very important in construction site. This paper describes the development of quality control equipment and technology using Internet of Things (IoT) technology. Additionally, a database management system (DBMS) was utilized in order to increase the usability and accessibility of data. A QR code was adopted to the ready-mixed concrete delivery system from a batch plant to a job site, enabling the data to be cached at a glance. A rheological properties of concrete mixture was investigated through a Twin Shaft Rheometer Mixer, which enables the analysis of concrete rheological properties. In addition, the quality control of concrete pavement was carried out at a job site using a unit water quantity tester and a chloride content tester, which enables transmitting the measured data at a job site in real time through the Bluetooth reception function. As a result, this research could lead to the development of equipment incorporating IoT-based Quality Control system. Moreover, the development equipment yields more precise data in real time compared to the existing equipment.