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
Geologic Hazards
Japan Quake Kills 9, Effects Nuclear Plant
A magnitude 6.8 earthquake struck Japan on 7/16/07, killing 9 and injuring more than 150. The hardest hit areas were near the town of Kashiwazaki, northwest of Tokyo. It triggered mudslides in the town that was already effected by a Typhoon several days before. One of the most newsworthy things about this earthquake is the damage to and minor leakage of radioactive waste and coolant from the world’s largest nuclear power plant in Kashiwazaki. Read on for links and video. (Photo by Kazuhiro Nogi, AFP – Getty Images)
Available Resources
3-Dimensional Crack Monitoring Gauges
I came across this interesting product for structural/geotechnical monitoring of cracks in 3 dimensions. Most crack monitors are designed for monitoring in 2 dimensions, this one can measure movement out of the plane of monitoring. […]
Geologic Hazards
Video of a landslide striking and derailing a freight train near Seattle
I think the tile says it all. Check out this amazing video of a train derailed by a ‘small’ landslide. [Source: Landslide Blog]