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VIDEOCONE SOUNDING

As the first company in Poland, BAARS offers investigations using a special VIDEOCONE module. It combines a standard CPTU cone with a video camera module. This is an innovative soil investigation technique applied by European and global leaders in CPT testing. It provides a video image of the studied soil, with a magnification of up to 100 times. Its application will allow us to satisfy the needs of the most demanding clients.

Videocone is a combination of a standard electric CPT cone and a video camera module located directly behind the cone. It is a new, innovative soil investigation technique that provides accurate video image of the soil in the course of the test.

The camera window is located approximately 30 cm behind the cone tip. Via a signal cable, the camera is connected with a recorder, located on the ground surface (data acquisition system) and equipped with a screen.

This technology enables observing the studied soil in the course of the sounding. The image displayed on the screen is highly enlarged (up to 100 times). A high-resolution image enables observation and differentiation between some individual soil particles, such as, e.g., fine sands. It also allows to identify voids and groundwater found in the soil, and the gas bubbles therein.

Fitting the camera with neutral-light LEDs enables to determine the colour of the investigated soil, and the liquid filling intergranular spaces, which is helpful in identifying soil contaminations.

The system automatically projects depth of the probe tip and the test time on the recorded video image. Additional software will allow to plot a grid with a scale on the image that will enable measuring and comparing grain size.

The Videocone offers a wide range of applications within tests aimed at determining soil contamination. All this because it enables a precise determination of the depth and thickness of contaminated strata sequence (contamination map development). This allows to replace costly and time-consuming borehole testing, which can significantly shorten field work duration, improving economic effectiveness, while maintaining the high quality of collected data.

Examples of Videocone module applications:

  • detailed identification and description of subsoil strata,
  • identification of sand types, e.g., for the purposes of excavation,
  • mapping liquid pollutant layers (e.g., gasoline, diesel oil),
  • identification of the level of pollutants heavier than water found in reservoirs (e.g., creosote oil),
  • overview of obstacles in the soil.

We use an innovative video module to execute the commissioned tasks. This state-of-the-art device enables detailed soil investigation in real-time, which provides a very detailed high-resolution image. In simple terms, CPT static probe sounding involves inserting an electric CPT cone with a camera module into the ground, followed by recording and analysing the recorded image. It allows a magnification of up to 100 times, allowing to test individual liquid or soil particles filling the intergranular space. The current probe depth is recorded in parallel.

 

PURPOSE OF THE VIDEOCONE MODULE TEST

We use the video module in the course of various soil investigations aimed at determining its properties, composition, strata or pollutants therein. This enables detailed soil strata identification and developing its adequate description, allowing for planning and subsequent implementation of various work. This opens up a possibility to identify, e.g., sand type for the purposes of excavation, detect and determine locations of soil contamination with liquid materials, including petroleum refining derivatives or check heavier-than-water contaminations in reservoirs. Using a video module for subsoil mapping is a good alternative to other, more expensive and time-consuming investigation operations, such as boring.

 

 

Moduł Video 4
Moduł Video 3
Moduł Video 2
Moduł Video 1