In this paper a system is presented to monitor in-situ the curing process of sprayed concrete. This system consists of an instrumented trough based on wireless sensor networks for monitoring temperature/relative humidity and ultrasounds. The trough has been designed using a trapezoidal cast with several encapsulated transducers and an electronic system for generation, acquisition and processing of ultrasonic signals. A methodology for the measurement of ultrasonic velocity has also been proposed. This system has been proven to be a very good solution for in-situ monitoring of the curing process of sprayed concrete, being able to detect problems or defects in the material fabrication.
Funding
This work was supported by Ministerio de Economía y Competitividad of Spain in the Call Retos-Colaboración 2015 [RTC-2015-3185-4 (MAPMIT)] and in the Call Retos Investigación [BIA2016-77992-R (AEI/FEDER, UE)]. Both projects were co-funded by the European Union through FEDER funds under the objective of promoting the technological development, innovation and high quality research.
