Ground Penetrating Radar Investigation to Locate Voids and Services in a Residential Area, QLD (Q1 2013).

  • Site View.
  • The 400MHz and the 200Mhz antenna being towed by a vehicle for the longitudinal lines.
  • The 400MHz antenna being pushed in the cart for the transverse lines.
  • The 200MHz antenna being pulled over the transverse lines.

GBG Australia undertook a Non-Destructive investigation to locate voiding and services in southern Queensland. During the survey a range of antennas were used, including a 400MHz and a 200MHz Antenna. The purpose for the survey was to supply accurate information on the location of voiding and services beneath the road.

Figure 1: Site View.

Figure 2: The 400MHz and the 200Mhz antenna being towed by a vehicle for the longitudinal lines.

Figure 3: The 400MHz antenna being pushed in the cart for the transverse lines.

Figure 4: The 200MHz antenna being pulled over the transverse lines.