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SIGMA

University Of Birmingham Test Site

Part of work package 3 for SIGMA + was to establish a test site and characterise with existing technologies.

Contour map of the test site

Contour map of the test site

 

A site was established on the University of Birmingham campus, outside the Civil Engineering building. A multi-utilities tunnel is known to be present under the area, representing a void approximately 2m by 2m in cross section, and between 1-2m below the ground surface.

 

 

 

A set of control points have been established to allow for repeat measurements later with a QT (or any other) gravimeter. These were also used to acquire a full topographical model of the site.

The site has been characterised for geophysical responses using the following technologies: Ground Penetrating Radar (GPR), electromagnetic location (EML) and frequency domain electromagnetic (FDEM) ground conductivity mapping and conventional micro-gravity.

PAS128 compliant utilities survey of the test site

PAS128 compliant utilities survey of the test site

The Scintrex CG5 on the test site.

The Scintrex CG5 on the test site.

 

 

 

 

 

 

 

 

 

 

The site has been characterised for geophysical responses using the following technologies: Ground Penetrating Radar (GPR), electromagnetic location (EML) and frequency domain electromagnetic (FDEM) ground conductivity mapping and conventional micro-gravity.

Electromagnetic Conductivity map of the test site

Electromagnetic Conductivity map of the test site

Gravity Data corrected with the Terrain Correction

Gravity Data corrected with the Terrain Correction

 


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