![]() ![]() ![]() The readout unit will display directly in microstation when connection to VWSG-A Strain Guages. Clean away all welding slag using a chipping hammer and wire brush. After welding cool the mounting blocks with a water soaked rad, then slacken the set screws and slide out the spacer bar. The edges of the mounting blocks are now welded in the order. The blocks are then removed from the spacing and pressed firmly against the steel surface using spacer bar as a handle. For strain gauge load cell monitoring, the steel surface is cleaned using wire brush to remove all scale, rust and oil. They are used to proof-test and measure loads in tie-backs, rock bolts, ground anchors and struts. Strain gauges & vibrating wire load cells The computational power of its digital signal processor can perform real time statistical calculations. To start the monitoring, a preamplifier with the microphone is plug into the equipment. This unit is equipped with an advanced data logger enabling up to 12 results logged simultaneously from three independent profiles (Peak, Max, Min, RMS results from each profile) with step down to 2ms. A Type 1 sound level meter dedicated to environmental noise monitoring is used to conduct the noise monitoring. A calculated Peak Particle Velocity (PPV) versus the corresponding frequency and the resultant Peak Vector Sum (PVS) is presented complying with the German DIN 4150 specification.Ī noise monitoring is carried out to monitor the noise during construction or piling activities. The monitor measures transverse, vertical and longitudinal ground vibration. It is a microprocessor controlled seismic recorder capable of recording 300events memory during any vibration impact due to construction or other activities. ![]() The vibration meter is used to conduct the vibration monitoring. A vibration monitoring programme is carried out to monitor the ground vibration during construction works. ![]()
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