PDA (high strain) and STN (statnamic), both method are the Dynamic Test Method (NOT STATIC) according to ASTM/D4945 and ASTM/D7383. Both method are using same theory with different impact devices: - PDA is high strain method (using hammer impact) - STN is pseudo PDA method (using explosive impact) Important Note: STN is not pseudo static MLT method
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PDA has shorter rise time STN has longer rise time both analysis method same, i.e. dynamic test
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