Geotechnical

What is Connecticut Valley Varved Clay?

Large areas of the Connecticut River Valley are underlain by a type of soft soil deposit known as Connecticut Valley Varved Clay (CVVC).  This deposit formed at the bottom of a large glacial lake, commonly known as Lake Hitchcock, which once filled almost the entire valley from Vermont to near Long Island Sound. This lake […]

Geotechnical Engineering Series: Building Settlement issues in Western New England

  The OTO geotechnical group will feature a series of blogs discussing soil settlement concerns and mitigation.  Topics will include forensic studies and remediation alternatives for existing building settlement and damage, as well as providing geotechnical engineering solutions for new construction to mitigate settlement concerns.   Part I:  Soil Detectives! Assessment of Settlement of Existing […]