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New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Thursday, 18 December 2014

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Dataforensics and Keynetix Announce Major Partnership 

GeoPrac.net [2014-12-18 14:24:29]  recommend  recommend this post  (44 visits) info

 US,CA
Dataforensics and Keynetix Forge Partner Alliance to Revolutionize Geotechnical and Geoenvironmental Data Management Norcross, Georgia, December 2014 – Dataforensics and Keynetix announce a partnership that teams the strengths of each company to revolutionize geotechnical data collection and data management within the United States and Canada. Dataforensics is developing a specialized configuration of HoleBASE SI for the North American market, which when combined with pLog Tablet, [...]

Alaskan Way Viaduct Settles after Bertha TBM Access Pit Dewatering 

GeoPrac.net [2014-12-18 07:21:08]  recommend  recommend this post  (12 visits) info

 US,IN
Areas surrounding the access pit being excavated to rescue the stalled Bertha TBM have experienced settlement as much as 1 to almost 1.5 inches according to a draft figure released by WSDOT on December 11, 2014. The aging and seismically deficient Viaduct itself has experienced 1 inch of settlement as well. Structural engineers have inspected it as well as numerous buildings in the area and have not found structural damage. The settlement is thought to be related to the dewatering associated [...]

Bentley's Year in Infrastructure 2014 Conference Wrap-Up 

GeoPrac.net [2014-12-18 07:09:41]  recommend  recommend this post  (10 visits) info

 GB
Bentley's annual infrastructure conference was again a tremendous success. Held in London in early November, the event provided infrastructure executives from around the world with valuable insights on business and technology drivers and how they are shaping the future of infrastructure delivery and investment returns. Among the many presentations and materials presented during this information-rich event were keynotes, Be Inspired Finalist presentations, and Advancement Insights—an [...]

Harl Aldrich, Haley & Aldrich Co-founder, Dies at 91 

GeoPrac.net [2014-12-16 07:12:11]  recommend  recommend this post  (12 visits) info

 US
Haley & Aldrich Founder and Chairman Emeritus Harl P. Aldrich, Jr. died on November 24, 2014 in Concord, MA at the age of 91. Dr. Aldrich was a leader in geotechnical and civil engineering, and his legacy is seen not just in his home city of Boston, but also across the country where his pioneering spirit has endured in the firm he co-founded. [Editor] Text modified from a Haley & Aldrich Press Release. [/Editor] [Source: View the rest of the press release from Haley & Aldrich via [...]

Pond Embankment Stabilization with Geopolymer Injection 

GeoPrac.net [2014-12-10 15:27:52]  recommend  recommend this post  (26 visits) info

 US,GB
  [Editor] An effluent pond in southeast Texas was suffering from years of erosion.  Recently, an escalation of subsurface water seepage through the pond’s embankment threatened the community’s main water source. URETEK used their versatile geopolymer product to inject beneath the embankment to seal off the seepage.  The project was a huge success! Read on for this contributed article from GeoPrac sponsor URETEK ICR.

Getting Under Your Feet – The Revolutionary Technology of Geogrids 

GeoPrac.net [2014-12-05 06:13:33]  recommend  recommend this post  (33 visits) info
Most people reading this will have driven along a highway recently. But did you ever stop to think about how it stays up? With all the trucks and cars that speed along the average highway every day, it’s a wonder they don’t collapse! Now how would you feel if you heard that the reason these highways and bridges and embankments manage to stay so stable is all thanks to the simple triangle? [Editor] Read on for this contributed article from Tensar International!

Deep Excavation Geotechnical Software Update 

GeoPrac.net [2014-12-04 06:33:14]  recommend  3 recommendations  (27 visits) info
Deep Excavation LLC is releasing the revamped 2015 version of their deep excavation software DeepEX 2015. DeepEX is used by more than 1000 engineers worldwide. The current version includes an improved wizard, reports, analysis capabilities. In DeepEX 2015 is the only software that allows you to estimate the cost of your actual 3D excavation, and prepares a quantity take off for you. For more information and to download a 30 day free trial visit http://www.deepexcavation.com/en/deepxcav-2011 [...]

Dataforensics Announces Major Update to pLog Tablet 

GeoPrac.net [2014-11-24 21:07:13]  recommend  recommend this post  (17 visits) info
Dataforensics, developer of geotechnical and geoenvironmental data management solutions, announces that a major update for pLog Tablet is now available for immediate download from the Google Play store. This latest update of pLog Tablet enhances usability by adding the following features: [Editor] Read on for the rest of the press release from GeoPrac sponsor

FHWA Geotechnical Team and NHI To Offer Virtual World Training 

GeoPrac.net [2014-11-21 16:15:52]  recommend  recommend this post  (28 visits) info

 US
Economic times have been hard for federal, state and local transportation agencies as well as industry representatives since the recession started.  Getting approval to travel for conferences or training classes has been difficult if not impossible.  The Geotechnical Team at the FHWA and the National Highway Institute (NHI) has come up with a solution to that problem by offering training in an online virtual environment. In the near term they will be offering a tour of the virtual [...]

Video: Secant or Tangent Piles 

GeoPrac.net [2014-11-21 08:42:22]  recommend  recommend this post  (18 visits) info
I like Hayward Baker's series of videos using animations to demonstrate different geotechnical construction methods. This video demonstrates how tangent pile shafts or secant pile shafts are constructed. Check out the video. Note: Hayward Baker is a sponsor of this website. [Source: Hayward Baker YouTube Channel. Image:

Video: Massive Earthworks to Stabilize US 89 Landslide 

GeoPrac.net [2014-11-21 08:40:46]  recommend  recommend this post  (19 visits) info

 US
By April of 2015, the contractor for Arizona DOT's US 89 Landslide Stabilization project will have move over 1 million cubic yards of material to build a massive stabilizing berm. They are using CAT 773 haul trucks to move material, equipment more commonly seen in mining applications. Check out the video! [Source: ADOT YouTube Channel. Image:

The Case for BIM in Geotechnical Data 

GeoPrac.net [2014-11-18 14:32:47]  recommend  recommend this post  (46 visits) info
Getting the Message Across Applying Building Information Modelling principles to geotechnical data will reinforce the message that geotechnics is an integral part of every phase of a project – not just site investigation, argues Gary Morin, Technical Director, Keynetix. [Editor] In this contributed article, Gary describes the justification for using BIM for geotechnical data.  Among those benefits are the ability to perform detailed alternatives analysis and optioneering, [...]

GeoPrac Newsletter 051 

GeoPrac.net [2014-11-07 13:07:48]  recommend  recommend this post  (18 visits) info

 US
The 51st edition of the GeoPrac.net newsletter was published this week. Content includes: Let's do better as mentors Hayward Baker Atlanta Stadium Chuck Ladd In Memoriam Port of Oakland Soil Stabilization Most Popular GeoPrac Content Underwater Landslide in 2011 Tsunami Lidar Applications in Landslides Check it out if you missed it, and be sure to subscribe to future

Hollow stem auger strikes NY Subway Train 

GeoPrac.net [2014-11-07 06:39:25]  recommend  recommend this post  (17 visits) info

 US,NZ,TW
A 10 inch hollow stem auger grazed a packed subway car on the NY MTA's F line last week scratching the side of the train and breaking windows. Fortunately there were no injuries. I think the pictures say it all! The auger belonged to a contractor installing dewatering wells. But as one MTA source quoted in the Post put it: 'Somebody made a mistake; maybe a surveyor or a field engineer... They drilled into the street but didn’t realize they were right over the F train tunnel. [...]

GEI Consultants Hires Dr. Jesus E. Gomez 

GeoPrac.net [2014-10-27 07:31:13]  recommend  recommend this post  (14 visits) info

 US
Dr. Jesus E. Gomez has joined GEI Consultants as a vice president and will lead their geotechnical and geostructural practice in the Philadelphia region. Dr. Gomez has over 30 years of experience, and was previously a principal with Schnabel Engineering. He is well known in the geotechnical community for his work on various FHWA/ADSC publications on soil nails and micropiles, among others. [Source: Read the full press release from GEI Consultants. Image: GEI

Shotcrete Made From Tailings Could Insulate Underground Mines 

GeoPrac.net [2014-10-27 07:30:24]  recommend  recommend this post  (14 visits) info

 US
Underground metal mines can have extremely high temperatures, making it hazardous for employees to work there for more than a few minutes at a time. Researchers from my alma mater, the University of Arizona, are studying the possibility of using a common mining waste product, tailings, as aggregate in shotcrete with good insulation properties that will be used to coat rock surfaces that readily conduct heat. [Source: Arizona Engineer. Image: Arizona

DIGGSML.org website revamped 

GeoPrac.net [2014-10-27 07:16:47]  recommend  recommend this post  (17 visits) info

 BS,US
DIGGSML is an XML-based schema designed for transfer of geotechnical and geoenvironmental data between different organizations. In 2013, the ASCE Geo-Institute was awarded a 2-year contract by the Ohio DOT to implement DIGGS. The current version, 2.0a, is undergoing pilot testing through early 2016. [Source: Find out more about this data framework at DIGGSML.org via LinkedIn Geotechnical Data Hub. Image:

Alaskan megathrust fault more active under Kodiak 

GeoPrac.net [2014-10-23 08:27:48]  recommend  recommend this post  (38 visits) info

 US
The 1964 Alaska Earthquake was 9.2 in magnitude and caused dramatic destruction and dramatic examples of surface rupture, subsidence, and liquefaction. New paleoseismic evidence points to a previously unknown earthquake that happened on the same fault segment approximately 500 years ago. This new evidence would change the recurrence interval for the earthquakes on the Alaskan megathrust fault, which would affect seismic hazard in Alaska, but could also increase the tsunami hazard in places as [...]

Panama Canal Cover Story in Pile Buck Magazine 

GeoPrac.net [2014-10-14 08:26:40]  recommend  recommend this post  (46 visits) info

 PA
The latest issue of Pile Buck Magazine has a cover story on the Panama Canal Construction. Talk about a mega project! There are actually two articles, the first includes a very nice summary of the overall project. Both discuss the construction of a huge cofferdam to separate Miraflores Lake from the construction area for the new Pacific Access Channel. This channel will link the third set of locks to Culebra Cut. The cofferdam consisted of 58 circular cells comprised of 17,000 tons of straight [...]

Catch-up Post for October 8, 2014 

GeoPrac.net [2014-10-08 15:09:36]  recommend  recommend this post  (19 visits) info

 MX,US,KR,IN
Leading Building Foundations Engineer Clyde Baker Joins GEI Consultants - Source: VPO Press Release Contractor announces details of repair work plan for the SR 99 tunneling machine - Source: WSDOT Alaskan Way Viaduct Hayward Baker Forms Strategic Alliance with EOS Remediation and Chemical Grouting Company - Source: Digital Journal Remodeling Bertha’s launch pit - Source: WSDOT Alaskan Way Viaduct Engineering Company Aecom to Buy URS for $4B - Source: ABC News [...]
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