Dynamic Modulus Tests
A sinusoidally varying axial stress is applied, at a range of frequencies, to a specimen measuring 100mm in Ø by 150mm high. The specimen is cored from a 150mm Ø sample prepared by gyratory compaction. Recoverable (dynamic) and permanent strains are measured using on-specimen transducers and the phase lag between stress and strain is determined for the various test conditions providing information on the visco-elastic properties of the material. Dynamic modulus tests form part of the Simple Performance suite of tests and are detailed in AASHTO TP62.
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AASTHO TP62; SPT NCHRP9-19; SPT NVHRP9-29
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| OPTION 1 | OPTION 2 | |||||
 CRT-UTM-NU Servo-Pneumatic Universal Testing Machine  CRT-TCC CRT-SPTLV |
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 CRT-GYR-EN Gyratory Compactor CRT-GYR-EXT CRT-GYRM-150 |
 CRT-UTM-HYD Servo-Pneumatic Universal Testing Machine CRT-SPTLV |
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CRT-GYR-EN Gyratory Compactor CRT-GYR-EXT CRT-GYRM-150 |
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Tel: +44 (0)1773 512174
Email:
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