Strain Rosette

Strain Rosette - 45o

Solving for εx, εy and γxy gives,

Strain Rosette - 60o

Similarly, if the angles between the gages are 60o, or θa = 0o, or θb = 60o, or θc = 120o., the unknown strains, for εx, εy and

γxy will be

Basic Mohrs Circle of Strain

Rectangular Rosettes

Principal Stresses

Drawing Mohrs Circle from Rosette Readings