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San Francisco Millennium Tower Has Settled 16 Inches
Misrepresents actual foundation geometry. Photos show deep excavation to ne
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Geological engineer from Spain (looking for job smiley geoengineer.martin@gmail
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Site Characterization Services: Step 5 Characterize & Report PDF Print E-mail
Written by Randy Post   
Monday, 14 March 2016 23:28

So you've completed your field and laboratory geotechnical site characterization...now what? You write the report of course. This is the final video in a nice sequence of videos prepared by Terracon. Did you miss any? Go check out Terracon's site characterization page. [Source: Terracon YouTube Channel. Image: YouTube]

Last Updated on Tuesday, 15 March 2016 06:31
 
Bertha Demo Period Done, Resumes Mining PDF Print E-mail
Written by Randy Post   
Monday, 14 March 2016 23:27
Bertha's scheduled maintenance stop

The Bertha tunnel boring machine has resumed chewing away beneath Seattle after a 'suspension for cause' order from WSDOT shut it down in January following two safety incidents. The BTM began tunneling with some conditions in place late in February, and those conditions were lifted when the demonstration period ended on March 7. Bertha has now reached her next scheduled maintenance stop, having tunneled a total of 1,560 feet. [Source: WSDOT Alaskan Way Viaduct Replacement Project Page. Image: WSDOT]

 
Short courses in Engineering Geology/Rock Engineering to be taught in Tucson, Arizona in May 2016 PDF Print E-mail
Written by Randy Post   
Monday, 07 March 2016 05:11

Learn rock mechanics from a leading expert in the fieldThe following four short courses will be taught by Prof. Pinnaduwa Kulatilake in Tucson, Arizona in May 2016 as given below. Dr. Kulatilake was one of my professors at the University of Arizona during my geological engineering program.  If you have always been meaning to learn some rock mechanics to add to your geotechnical skill set, these courses would be a very good option.

  1. 2-Day course on Rock Fracture Geometry Characterization and Network Modeling in 3-D Including Validations (May 14-15)
  2. 2-Day Course on Deterministic and Probabilistic Rock Slope Stability Analyses (May 16-17)
  3. 2-Day Course on Deterministic and Probabilistic Block Theory & Applications for Surface and Underground Rock Excavations (May 18-19)
  4. 1-Day Course on Measurement and Quantification of Joint Roughness, Normal & Shear Deformations, Peak Shear Strength, Aperture and Fluid Flow through Single Joints (May 20)
Last Updated on Monday, 07 March 2016 05:13
 
Video: New Redi-Rock Design Resource Manual Available PDF Print E-mail
Written by Randy Post   
Monday, 07 March 2016 04:45

Redi-Rock retaining walls look fantastic in residential development applicationsThe Redi-Rock Design Resource Manual or DRM has everything you would need to design a Redi-Rock retaining wall, including block sizes, design charts, construction details, and setback options.  The manual also includes case studies and an installation guide and more.  Watch the video below for more info.  Download the updated manual or request a printed version at http://www.redi-rock.com/drm/ .

Photo credit: Redi-Rock.

Last Updated on Monday, 07 March 2016 04:48
 
Video: Landslide Near Elk City, ID PDF Print E-mail
Written by Randy Post   
Sunday, 06 March 2016 22:20

This is some very interesting first-person video of a landslide near Elk City, Idaho, complete with expletives. :) I can't say I blame the videographer, it's not every day you see a slope like that come down. Must have been quite an experience to be there! [Source: YouTube. Image: YouTube]

Last Updated on Monday, 07 March 2016 05:22
 
Taiwan Earthquake Investigators Arrest Developer of Collapsed Building PDF Print E-mail
Written by Randy Post   
Friday, 26 February 2016 02:26
Rescue workers searching through the collapsed building in Taiwan

Taiwanese investigators have arrested the developer of a 17-story apartment building that collapsed in an earthquake at the beginning of the month. Approximately 40 people were killed when the building collapsed, there were only two other deaths in the entire city. The charges are suspicion of criminal business misconduct resulting in fatalities. Mainland China has been notorious for shoddy construction practices, and those practices have been blamed for the death of thousands in Sichuan Province during the 2008 earthquake. [Source: The New York Times via Geoengineer.org. Image: Anthony Wallace/Agence France-Presse — Getty Images via NY Times]

 
Fugro Releases FY 2015 Results PDF Print E-mail
Written by Randy Post   
Friday, 26 February 2016 01:57
Fugro geophysical vessel used for UXO detection

Fugro released their 2015 Fiscal Year results, and the headline is 'Strong cash flow in continuing challenging oil and gas market'. The Dutch company's biggest market sector is oil and gas, and they are forecasting continued challenges this year with over-supply. The numbers show a drop in revenue of 17 percent from 2014 to 2015. Among the ways they managed the downturn is to sell or lease back two of their geotechnical drilling vessels, but they are also focusing on growing other market sectors and opportunities in all geographic regions. [Source: Read the rest of the Fugro press release. Image: Fugro]

 
NYDOT Geotechnical Design Manual PDF Print E-mail
Written by Randy Post   
Friday, 26 February 2016 01:56
NYDOT Geotechnical Design Manual Cover

The New York DOT has been working on a geotechnical design manual (GDM) since at least 2012. It is a very detailed document that covers pretty much every possible geotechnical aspect of a transportation project. It would be a valuable resource for any geotechnical engineer. Some chapters are still marked draft, but I like their transparency about what has been officially approved by the DOT and what is still under review. [Source: Check out the GDM of the New York DOT. Image: NYDOT]

 
Free Webinars–Transforming Your Geotechnical Data PDF Print E-mail
Written by Randy Post   
Wednesday, 10 February 2016 05:40

Keynetix Webinar Series is titled Transforming Your Geotechnical Data Journey in Small StepsKeynetix is preparing to restart their popular free webinar series.  The theme for 2016 is “Transforming Your Geotechnical Data Journey in Small Steps.” The webinars will be every Friday at 12 pm EST for North American Customers and those using ASTM standards, and Friday at 13:00 GMT for other customers using BS/AGS standards.

This Friday, February 12th, the webinar title will be “Maximize the Value of your Geotechnical Data Archive Using HoleBASE SI”.  The format of the webinars will be 20 minutes with another 10 minutes of Q&A.  Follow this link to register for the webinar.  Keynetix is a sponsor of GeoPrac.net.

Last Updated on Wednesday, 10 February 2016 05:58
 
Tool - Convert Munsell Soil Code to Soil Color Name PDF Print E-mail
Written by Randy Post   
Tuesday, 09 February 2016 22:54
Munsell soil color chart

The folks at LogItEasy.com have put together a very useful, free online tool for converting Munsell color codes that you might use in the field into the actual color names. This functionality is also built into their interface for electronic field logging and log creation. [Source: Go check out the free Munsell Soil Color tool at LogItEasy.com. Image: Munsell.com]

 
Drones and Natural Disasters PDF Print E-mail
Written by Randy Post   
Tuesday, 09 February 2016 22:52

This is my colleague Dimitrios Zekkos, Associate Professor at the University of Michigan, and the founder of Geoengineer.org. He's talking about his group's research involving utilizing drones after natural disasters. Cool stuff! [Source: University of Michigan MichEpedia YouTube Channel. Image: YouTube]

Last Updated on Wednesday, 10 February 2016 05:56
 
Pucker-worthy Debris Flow Video PDF Print E-mail
Written by Randy Post   
Tuesday, 09 February 2016 22:45

I saw this video a few weeks back on The Landslide Blog, and it's also been posted on GeoEngineer.org. It's well worth the watch. It's one of the scariest debris flow videos I've seen. Some hikers are crossing a channel cut naturally through old debris flow deposits, like a hiker bowling alley. Fortunately the guides hear it coming and everyone manages to get out of the channel before the latest debris flow roars through! [Source: YouTube via Dave's Landslide Blog. Image: YouTube]

Last Updated on Wednesday, 10 February 2016 05:57
 
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