Use of Smart Devices in Civil and Geotechnical Works for Vibration, Noise and Temperature Measurement
The Construction Industry Council (CIC) was set up with a vision to drive for excellence of the construction industry in Hong Kong. The CIC encourages and facilitates research activities and the use of innovative techniques for the construction industry, as one of the many functions. The CIC engages consultants, academic institutions, in-house resources, etc., to carry out study and research work on practical construction problems in response to the needs of the construction industry.
Recently, work on the development of an App for iPhones for real-time monitoring and assessment of construction-induced vibration and noise, and the application of the maturity method for estimation of concrete strength in concrete structures was completed. In this paper, a detailed description of the laboratory calibration and site validation of the App developed for iPhones for vibration and noise monitoring, and the results obtained, including the setting-up requirements, are presented. This is followed by a discussion of the use of the maturity method for concrete strength measurement. The application of the maturity method to a case, involving installation of temperature sensors to measure the temperature development in a retaining wall structure to estimate the gain in strength, and a detailed interpretation of the results, are given.
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