Your browser is no longer supported

For the best possible experience using our website we recommend you upgrade to a newer version or another browser.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

Checking for cavities

The high number of subsidence events around Briars Lane in Hatfield, Hertfordshire since 1978 - resulting in the demolition of four houses - prompted Welwyn Hatfield Council to ask Soil Mechanics to investigate the layout, lateral extent and nature of any cavities in the substrata. Subsidence is believed to be due to old chalk mine workings, and the ground investigation specialist is using a variety of techniques over two phases, including dynamic probing, cable percussion and rotary ...

Subscribe for full online access and get...

  • Full, instant access to all stories
  • Customised email alerts straight to your inbox
  • Monthly print magazine

Register for guest access to keep reading and get..

  • A free taste of other selected news stories
  • Daily email newsletters


Already have a subscription or ICE membership? or