AASHTO T 379-18
- Standard Method of Test for Nonlinear Impact Resonance Acoustic Spectroscopy (NIRAS) for Concrete Specimens with Damage from the
- standard by American Association of State and Highway Transporta
- Category: AASHTO
$78.00
$39.00
AASHTO T 379-18 covers determination of material nonlinearity in concrete laboratory specimensprepared in a manner and subjected to conditions of accelerated alkali-reactivity of aggregate. It isassumed that the nonlinearity due to elastic hysteresis is a dominant mechanism for the materialnonlinearity in concrete specimens with alkali-silica reaction (ASR) damage and that thisnonlinearity is directly proportional to the ASR damage occurring in the specimens. This methodmay not be necessarily applicable to other forms of damage.
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