Several version of stress meters are available using variety of transducers for different applications. All pressure cells generally consists of two required shape plates welded together around its periphery keeping apart by a narrow gap. This gap is filled with de-aired oil or antifreez fluid. Any small variation in transmitted through a variation in filled pressure and this variation in transmitted through a vibrating wire transducer to readout unit.
Model SME 2070 is a simple earth pressure meter suitable for direct embedment within fills, earthen dams, pole foundation, under railway track etc. This is a simplest design with two active diaphragm. Model SME 2071 fluid fill stress meter having circular diaphragm, it is used to measure total pressure of masonary dam, embankment, money back fills, mass concrete or back pressure on steel ribs. This design consist of two active diaphragm connected to a V.W Piezometer for stress measurement. Pre-stressing tube is also provided as an additional feature to make proper contact with concrete to avoid shrinkage gap in concrete after installation. |