Iosipescu shear test, Other Engineering

A second way to determine the shear modulus is to use the Isopescu shear test.

1353_Iosipescu Shear Test.png

The sample is placed in a jig and loaded as shown. Under load, a region of pure shear exists at the centre of the sample. Strain gauges are bonded at +/-45° to the axis of the sample.

The shear stress is calculated from the force, P, and the cross-sectional area, A, using:


The shear strain is calculated from the strain gauges using:

The shear stress is again plotted against shear strain to determine the shear modulus.

 

Posted Date: 8/27/2012 7:59:34 AM | Location : United States







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