Construction Vibration Monitoring

Seismographs aren’t just for earthquakes. Vibration monitoring is performed every day in the mining and construction industries, using recorders like our Kelunji teamed with geophones, accelerometers, and microphones (for monitoring air pressure from blasts). EchoPro rugged with accelerometer

In fact, the Kelunji EchoPro was born from a need by Orica Mining Services to have a network of high resolution blast monitors that didn’t need to be connected together to be synchronised. They had seen our Kelunji Echo with its GPS timing and huge recording capacity, but needed it to record data at faster than 200 samples per second (sps). So, the EchoPro was developed to run at up to 2000 sps, and now the Gecko has doubled this to 4000sps. This means clear recordings of signals up to 2000Hz which are detectable when recording within tens of metres of a quarry blast hole. Seismograph hut gas tank

Sometimes vibration monitoring is only done for a few hours to capture a scheduled event, but sometimes it needs to be done for days, weeks, or months while a construction project is underway. This ensures that the civil works can be controlled to minimise the impact of nearby residents and buildings. The systems can also raise alarms if certain predetermined thresholds are exceeded, which can take the form of alarms, sirens, SMS alerts, and emails. IMG_7993

The SRC’s data centre hosts servers that can accept continuous data or event-triggered data, and our software can analyse the signals and determine whether alerting is required.
Setup is straight-forward:

  • Alert-SMSinstall a seismic recorder and sensor
  • connect a wireless modem (3G or LTE)
  • configure the recorder to send data to the server
  • configure the server with the thresholds and alert information
  • sit back and wait for alerts

Whether you have a short or long term requirement for vibration monitoring, the SRC can help establish a complete end-to-end solution.