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 […]

Retaining wall collapse in Istanbul
Failures

Video: Retaining Wall Collapse in Istanbul

Back in July of 2018 bystanders recorded video of the failure of a combination retaining wall and braced excavation that undermined an apartment building, eventually causing its collapse as well.  The incident was in the Beyoglu […]