World Trade Center Slurry Wall to Become Part of Museum

It seems like every time I turn around these days there is another amazing tunnel project in the news. The level of engineering brought to bear on these challenges is phenomenal, whether it’s in the […]

At last month’s Earth Retention Conference, ER2010, there were many references to the second ER conference in 1990. One paper from that proceedings that garnered many mentions and was referenced by several at this year’s […]

Construction has started on the tunnel boring machine launch pit for the WSDOT SR 99 Tunnel Project (Viaduct Replacement). The 420 foot long pit is being constructed using secant pile retaining walls, with 2 rows […]