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ENGINEERING & GEOENVIRONMENTAL
GEOPHYSICAL SURVEYS




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Tel (44) (0)1905 619531




ABOUT SUBSURFACE GEOTECHNICAL


Mapping a former landfill site using the Electromagnetic EM 31
Electromagnetic EM 31 survey of a former landfill

Subsurface Geotechnical are a leading firm of independent geophysical consultants based in the heart of the historic city of Worcester. We carry out geophysical surveys using a variety of geophysics methods for practical applications in site investigation, geoenvironmental surveys, electrical earthing and non-destructive testing. Established in 1985, our company was one of the first UK geophysical consultants to carry out a ground penetrating radar survey commerically. In the intervening years Subsurface Geotechnical have compiled a successful record of investigations both in the UK and around the world.

Our surveys are always carried out by highly qualified geophysicists not technicians. This allows problems to be solved on-site, by customising data acquisition to the highest levels of technical excellence. Following a comprehensive programme of data processing and interpretation by our team of experts; survey results are presented in an easy to understand engineering CAD format.



Ground penetrating radar survey of a harbour wall
Void detection in sea defences by GPR





WHAT IS ENGINEERING GEOPHYSICS?

Engineering geophysics surveys investigate the physical properties of the ground by the use of instrumentation, providing information on subsurface ground conditions not evident from the ground surface, for all types of practical engineering applications. Geophysical surveys are non-intrusive and non-invasive, and can help to avoid disruption that can be caused by drilling, pitting and trenching. A geophysics investigation can cover large site areas rapidly to provide either reconnaissance data or a detailed investigation, and can optimise the targeting of any essential intrusive inspections. In environments where intrusive ground investigations are not possible,a geophysical investigation can still provide engineers with useful information.



Searching for abandoned mineshafts by magnetometer
Magnetic survey of a former coalfield





APPLICATIONS



Investigating slope stability by resistivity imaging
resistivity tomography survey

GEOPHYSICAL SURVEY FACT FILES

Information on a wide variety of geophysical methods provided by our firm can be found on our website:



for further information about any of our services or if you wish to discuss a specific project please contact:

Dr Jon Glover or Dr Marek R. Wajzer at:

Subsurface Geotechnical,   First Floor,   St Swithins House,   Trinity Street,   Worcester,
WR1 2PW,   United Kingdom


Tel (44) (0)1905 619531

or e-mail us at: info@geophysical.biz
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