Journal
SENSORS
Volume 17, Issue 5, Pages -Publisher
MDPI AG
DOI: 10.3390/s17051066
Keywords
humidity sensor; microminiaturization; smart external wall; tile; strain gauge
Funding
- Ministry of Science and Technology [MOST 105-2221-E-035-019-]
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Incidents of injuries caused by tiles falling from building exterior walls are frequently reported in Taiwan. Humidity is an influential factor in tile deterioration but it is more difficult to measure the humidity inside a building structure than the humidity in an indoor environment. Therefore, a separable microsensor was developed in this study to measure the humidity of the cement mortar layer with a thickness of 1.5-2 cm inside the external wall of a building. 3D printing technology is used to produce an encapsulation box that can protect the sensor from damage caused by the concrete and cement mortar. The sensor is proven in this study to be capable of measuring temperature and humidity simultaneously and the measurement results are then used to analyze the influence of humidity on external wall tile deterioration.
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