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P & S Wave Measurement System

P&S Wave Measurement Data Sheet

WaVeMe

Routine estimations of stiffness have traditionally been made in a stress path triaxial apparatus; however, low-strain testing is difficult due to insufficient resolution and accuracy of load and displacement measuring devices. The WaVeMe/P and S wave testing system makes the measurement of soil stiffness at very small strains easy. It consists of piezo-ceramic plates, known as P and S sensors, which operate in the same way as bender elements. The system is used to measure compression wave (VP) and shear wave velocity (VS) of a specimen. Each testing system comes equipped with combined pairs of piezoceramic plated P and S sensors - one serves as the output (or source) signal and the other receives the signal (or input).

Features

Offers compression and shear wave velocity measurement
Available for triaxial and direct simple shear systems, as well as custom applications
Measurement of VS and VP versus shear strain at end of primary consolidation
Run shear test to 10% strain to measure VS and VP for higher shear strain levels
Easy to use menus to define the conditions for running a test
Variable amplitude adjustment and broad frequency range options

P&S Wave Measurement

Related Systems

Cyclic Triaxial

Direct Simple Shear

Triaxial Stress Path

Resonant Column