NCHRP Manual on Subsurface Investigations
Available Resources

New Manual on Subsurface Investigations

The NCHRP has released a new Subsurface Investigation Manual to update the 1988 AASHTO Manual of the same name. Imagine trying to capture every change in technology, methods, and approaches to geotechnical investigations from the […]


Geoparameters determined from CPT Testing
Available Resources

CPT Geotechnical Design Manual from Minnesota DOT

The Minnesota Department of Transportation has released a report on how to utilize cone penetration testing (CPT) for a variety of geotechnical analysis and design tasks. These tasks, which are applicable both to state highways […]


561 pallets of rock core for the Crossrail project will be stored in a salt mine
Project Related

London’s Crossrail Cores Going to Salt Mine

London’t mega-project known as Crossrail that involves the construction of 118 km (73 mi) of new rail line with 42 km (26 mi) of new tunnels. The geotechnical investigation for Crossrail included rock coring, and […]