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San Francisco Millennium Tower Has Settled 16 Inches
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Geological engineer from Spain (looking for job smiley geoengineer.martin@gmail
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Vesuvius' computer simulated eruption kills 300,000 PDF Print E-mail
Written by Randy Post   
Wednesday, 28 February 2007 02:35

Volcanologists at the National Geophysical and Vulcanolgy Institute in Pisa have a new 3D computer simulation model of a Vesuvius eruption that indicates 300,000 people would be killed.

Last Updated on Wednesday, 28 February 2007 02:37
 
Cofferdam Downstream of Three Gorges Dam To Be Blasted Away PDF Print E-mail
Written by Randy Post   
Wednesday, 28 February 2007 02:17

The last section of a cofferdam built to facilitate construction of the Three Gorges Project from the southern bank of the Yangtze will be blasted away in seconds after 3:00 p.m. Wednesday. Thanks iCivilEngineer.

Last Updated on Wednesday, 14 March 2007 01:54
 
2005 Emergency Sinkhole Repair in Detroit Area PDF Print E-mail
Written by Randy Post   
Monday, 26 February 2007 07:35

I recently came upon a link to an interesting emergency project in the Detroit Area. A 245' by 130' sinkhole opened up in August of 2004 as a result of the failure of an 11-ft diameter sewer sewer main located an amazing 60-ft below the ground surface! The remediation involved some very interesting geotechnical issues. 

 
Giant Sinkhole Swallows Homes, Kills 3 PDF Print E-mail
Written by Randy Post   
Sunday, 25 February 2007 15:31

A 330-ft deep sinkhole has opened up in a poor neighborhood in Guatemala City swallowing several houses and killing at least 2 people.

Last Updated on Tuesday, 27 February 2007 03:45
 
The GLE Formulation and the Various Methods of Stability Analysis PDF Print E-mail
Written by Randy Post   
Thursday, 22 February 2007 01:55
GeoSlope International has a nice overview of the general limit equilibrium (GLE) method in their February 2007 newsletter available from their website. I personally always struggle to remember the difference between the various methods of slope stability analysis, such as Bishop's method, Janbu's method, GLE, Spencer's and Morgensten-Price. This article has a couple of nice figures showing how they all relate to each other and what that means for the factor of safety.
Last Updated on Monday, 05 March 2007 07:06
 
July 2006 Debris Flows Near Tucson AZ PDF Print E-mail
Written by Randy Post   
Tuesday, 20 February 2007 11:32

The University of Arizon/USGS Desert Laboratory has been documenting and researching the over 240 slope failures and debris flows in the Southern front of the Santa Catalina Mountains near Tucson, AZ. At least 18 of these debris flows destroyed or damaged structures or roads.

Last Updated on Monday, 23 April 2007 03:23
 
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