Abstract
Structural monitoring with various sensors has been used as a quick quantifying of damages of infrastructures. In this paper, a strain measurement using piezoelectric PVDF (polarized polyvinylidene fluoride) film is studied. First, sensing performance of the PVDF film on static measurement was compared with traditional strain gages. A PVDF film sensor for crack detection was developed. The crack progress on an aluminum specimen was monitored with the developed PVDF film sensor. Moreover, the PVDF film sensor has been used to monitor the initiation and propagation of cracks on RC specimens.
