To keep the loose soils beneath a planned hospital from liquefying and damaging the foundations during the design earthquake, Hayward Baker stabilized the site by performing wet soil mixing. In addition, HB installed tie down soil anchors inside soil mix columns to counterbalance the building seismic uplift forces. The team worked tirelessly to balance safety and production with stringent design and QC requirements. Learn more on their website, www.haywardbaker.com
Project Related
Video Tour of NY Subway Mega-Projects
The New York MTA is in the midst of a “golden era” of tunneling for the New York subway. Three separate mega-projects are currently underway totaling some $15 Billion: The Second Avenue Subway, The East Side Access Project (which features the new Grand Central Terminal), and The Number 7 Subway Line Extension Project. The short video below was published by the NY Post and included in an AP Article. It is tantalizingly short, but gives a great perspective on what the underground construction project at Grand Central looks like and a sense of the scale…the amazing huge caverns being constructed. The article says that from underneath Grand Central Terminal alone, the construction crews have removed enough material to cover Central Park almost a foot deep!
[Source: KOMO News (Seattle) via ASCE SmartBrief. Image: AP Photo/Mary Altaffer via KOMOnews.com]
Click through for the video.
Miscellaneous
Dan Brown Profiled in DFI Magazine
The winter 2011 issue of the Deep Foundations Institute magazine profiles DBA founder Dan Brown, a very prominent figure in the geotechnical industry and one of the most well known experts in deep foundations. The […]
Geologic Hazards
Sierra El Mayor (Baja) 7.2 Magnitude Earthquake
A magnitude 7.2 earthquake in the Baja region of Mexico on April 4, 2010 (Easter Sunday) caused significant damage in the towns of Mexicali and Calexico and was felt as far away as Phoenix, San […]