Blasting is essential to various projects that require explosions like mining, excavations and demolitions. Monitoring the vibrations caused close to the blast enables our team to assess the effects caused by the blast. For structures located in the zone of the blast impact, vibration levels will be recorded to assess potential damage.
These various types of seismic monitoring measure ground motion, velicity, air pressure waves and acceleration to evaluate the damage within the blast site. In cases where ground motion has been evaluated and studied for years, the statistical data produced has presented the potential damage to types of structures with varying sizes, shapes, loads and bearing capacities. It can also show how significant ground motion may damage sediment fills and groundwater supplies.
When it comes to monitoring methodologies, there are two main types that are utilized by engineers. The first being vibration monitoring, in which a triaxial velocity sensor is used with its axis oriented in the direction of the blast.
The second approach is air pressure monitoring, in which a high pressure microphone with the ability to measure upwards of 150 dB(L) is oriented in the direction of the blast.
If you’re ready to elevate the quality of your project, don’t hesitate to reach out to us.