A sample of our GPR surveys recently undertaken, presented as case studies:
GPR investigation to determine reinforcement detail and concrete testing of a bridge over the river Thames.
Survey to locate services/conduits in the floor slab of a London office to enable six revolving doors to be fitted.
How we used GPR to investigate possible causes of cracking in the roof slab and verify as-built drawings.
We used GPR to determine the gas holder base thickness non-intrusively and with access to the top only.
GPR survey using a multi-channel system to scan 8 platforms and a concourse area to determine construction detail.
GPR survey to locate areas of voiding and their extent within the rubble infill of the 900mm thick walls.
A non-intrusive GPR survey to locate post-tensioned cables within the floor slab of a working warehouse.
The trust’s building surveyor said the GPR study was to help “understand this unique and somewhat complex monument.
GPR used to locate pad foundations on-site in Waterloo. Historic drawings indicated that the building previously on the site.