News

Blast shield being lowered into Hudson River

Port Authority Covers Hudson Subway Tunnels with Blast Shields to Protect Against Terror Attacks

January 27, 2011 rockman Comments Off

The century-old PATH subway tunnels underneath the Hudson River were not excavated through bedrock, but rather under a thick layer of silt and clay. Apparently there is a a sufficient security concern to warrant protecting […]

Lateral resistance function for micropile in clay socketed into bedrock

Micropiles for Slope Stabilization

January 27, 2011 rockman Comments Off

In an August 2010 article in ADSC’s Foundation Drilling Magazine, Eric Loehr and Dan Brown of Dan Brown and Associates summarized the key findings from a report they authored on the use of micropiles in […]

Weekend CUP for January 25, 2011

January 25, 2011 rockman Comments Off

Iranian cultural site, Persepolis vulnerable to earthquakes – Source: Circle of Ancient Iranian Studies (CAIS) Highway Trust Fund Rescue Effort – Source: Bond Buyer via AGC SmartBrief kcICON Project Opens Ahead of Schedule – Source: […]

Badgers saved by ground penetrating radar geophysics

Structures and Badgers safe at Bexhill in East Sussex, UK thanks to ground penetrating radar

January 25, 2011 rockman 1

A species of badgers is protected by law in the UK but their burrows can cause significant damage, undermining structures. At one site in Bexhill, East Sussex the problem was handled with a geophysics solution, […]

Members of the UofA's Compressed Air Energy Storage group or CAES

Storing Renewable Energy as Compressed Air in Geologic Formations or Deep Foundations

January 23, 2011 rockman Comments Off

Researchers in the University of Arizona’s Compressed Air Energy Storage or CAES program are studying ways to store renewable energy in the form of compressed air. They are looking at various options, from tanks similar […]

Concrete blocks from a pile load test topple into Gilstead Road in Singapore

Pile load test accident, dead load topples into street (Video)

January 20, 2011 rockman 1

Concrete blocks from a pile load test topple into Gilstead Road in Singapore

A pile static load test went awry in Singapore when a pyramid of dozens of concrete blocks used for the reaction force toppled over into Gilstead Road. The force of the collapse caused a gas main to rupture but there were no reports of injuries. Click through for the video.

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