Abstract

A low cost strain gauge can be implemented to detect damage before natural disaster phenomena in real time for monitoring the health of structure. The most common non-destructive sensing element such as strain gauge employs in the form of array is to measure surface strain of concrete structure. In this paper, we perform an experiment for developing the wireless sensor node to recover the characteristics of surface strain. The objective of an experiment is to model the strain sensor to receive large assessment data in real time. It analyzes the surface strain on mechanical cantilever beam and receives the electrical signal with the help of signal conditioning amplifier circuit in civil engineering laboratory. Moreover, an essential observation is that the experimental results are equivalent to numerical results when location of load point is closed to strain sensor. The experimental results are essential in development of strain gauge based sensor node which is useful for structure health monitoring.

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