Ground penetrating radar (GPR) is a very useful means of determining what is below the ground before excavation begins. The technology essentially works by sending energy pulses into a material and recording how long it takes for a reflected signal to return.
There are a number of benefits to using this type of technology — read on to find out more about how it works, some of the factors that affect its accuracy, and how we can help…
Ground penetrating radar technology is specially designed to use electromagnetic radiation waves, which identify factors below the surface of the ground. During the process, a device with an antenna is used to radiate short pulses of high-frequency radio waves into the ground. Any time that these waves encounter discontinuities or dielectric singularities under the ground, the waves are reflected towards an antenna. This antenna then outputs the waves into readable data, which means that you can see exactly where buried services or objects are located.
One of the benefits of GPR is that it provides information about underground services and other objects with relatively good accuracy. GPR can extend relatively far underground, although certain conditions will affect penetration depth.
GPR typically reveals the horizontal positions of targets in their exact locations, which is extremely useful. The speed and accuracy of depth measurements can, however, be affected by factors like soil type and moisture content.
It is important to note that the depth range of GPR can be limited by the electrical conductivity of the ground, as well as the transmitting frequency. The best possible depth penetration can be achieved in dry sandy soils, or massive dry materials like granite, limestone and concrete. Penetration tends to be considerably less in moist or clay-laden soils.
One of the reasons that GPR produces accurate results is that it can see through almost everything. The technology can detect both conductive and non-conductive materials.
At Provac Australia, we offer a range of services, including ground penetrating radar (GPR). The technique is highly specialised and is a non-destructive means of providing the valuable information that is required before excavation can begin.
If you need to begin on a project that requires excavation, we encourage you to get in touch so that we can help you determine what is below your feet. By using GPR, it is possible to avoid accidental damage to crucial underground services, such as powerlines, gas pipes, water pipes and other utilities.
If you would like to find out more about GPR, please have a look here.
If you would like to get in touch for more information or to request a quote, please contact us here or give us a call on 1300 734 772.
The team at Provac Australia also offers a number of other services — these include hydro vacuum excavation; underground service locating; and vac truck and mini excavator hire. If you would like to find out more details about these services, please have a look here.
Our services have been helping plumbers, electricians, contractors, excavators, drillers, engineers, and homeowners for many years. We look forward to assisting you with your next project, no matter how big or small!
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