The Toronto Transit Commission is starting a $2.6 Billion project to connect the City of Toronto with the municipality of York. This Toronto-York Spadina Subway Extension Project (TYSSE) consists of an 8.2 km extension of […]
Pittsburgh, PA – June 2, 2011 – Missouri’s Interstate 44 is considered one of the most frequently traveled highways in the central United States. In early March of 2011, Nicholson Construction was contacted to perform an emergency response grouting operation on the Gasconade Bridge, part of I-44 westbound, over the Gasconade River in Laclede County.
During construction of the drilled shaft foundations for Temporary Bent No. 6, it was determined that voids were present both beneath and adjacent to the north footing for Intermediate Bent No. 6. Test borings by MoDOT indicated that the void varied in depth from zero to five feet, but the horizontal extents were unknown upon Nicholson’s arrival to the site. [Editor] Click through for the rest of the press release from GeoPrac.net sponsor Nicholson Construction. [/Editor]
From ASCE Smart Brief: With summer here, it’s time to develop your nominations for the following awards in the construction and geotechnical specialties. Let ASCE’s Honors and Awards Program know of someone you think may […]
This spring the world’s largest hard rock TBM at over 47 ft in diameter broke through on the 6.4 mile Niagara Tunnel Project. Ontario Power and Water commissioned the project as a third tunnel to […]
Golder performed a comprehensive field investigation and seismic site classification at the site of the Canadian Embassy in Port-au-Prince, Haiti. Even though the embassy was relatively new, it was damaged during the 2010 Haitian earthquake. […]
A new report issued by the Geo-Institute and prepared by the Geotechnical Constructability Task Force is targeted at owners, and seeks to educate them on why they need the services of a geotechnical engineer and […]
Residents of Iowa County were forced to evacuate as the swollen Missouri River caused a breach in one of its levees. What I found interesting was a description of a sand boil geyser: A Black […]
The salinity of the ocean is one component of global climate modeling, and up until now, it is a component with sparse and irregular data points. Traditional salinity measurements have been taken by ship, buoy […]
The truly unique Sidoarjo mud volcano in Indonesia has erupted continuously for 5 years now. More than 40,000 people have been displaced and 12 villages destroyed. The rate of erruption has ‘slowed’ to 10,000 cubic […]
This is a nice overview of a slow-moving landslide in a Salt Lake City, Utah neighborhood where you can go on Google Earth and do your own aerial photo analysis using Google’s historic aerial imagery. […]
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