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Introduction and Application of Strain Gauges

Strain gauge method is one of the essential and fundamental methods in experimental stress techniques that uses the resistance of the material to determine the stress at a point. The strain gauges can be used in a different combination called Rosette to obtain stress in various directions. This chapter intends to cover types of strain gauges, materials, and Rosette arrangements to provide the reader with an overview of the techniques. The chapter will discuss the basic physics behind the resistance measurement and take the reader into insights on how the developments were made to the application of strain gauges as experimental techniques.