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GeoPrac.net is a community of practitioners of geotechnical engineering, geological engineering, engineering geology, geophysics, hydrogeology and related disciplines. We offer members and visitors the foremost collection of geo-related articles, news, and online resources to keep those geo-professionals in practice at the forefront of their respective fields.

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Video: DeWind One-Pass Trenching Soil Bentonite Wall Animation
GeoNews - Available Resources
Written by Randy Post   
Thursday, 13 October 2016 22:26

DeWind One-Pass Trenchers can install Mixed in Place Soil Bentonite, or Soil Cement Bentonite Walls up to 125' deep. Their powerful trenchers can homogenize all of the native soils with various additives. The mixing paddles rotate at 14 feet per second hyper-mixing everything in the column from top to bottom in a continuous evenly mixed wall. [Source: YouTube. Image: YouTube]

 
Exciting New Deep Foundation Design Software
GeoNews - Software Updates
Written by Randy Post   
Monday, 03 October 2016 05:28
Screen shot of new load test software from Deep Excavation, LLC

Geotechnical software company, Deep Excavation, LLC has just announced a new software product for design of deep foundations. The product page for DeepFND notes that it brings together geotechnical design and structural design of deep foundations in one complete package. It includes both axial and lateral analysis of a variety of deep foundations, including drilled shafts, driven piles of various types, continuous flight auger piles (CFA Piles), micropiles, and even helical piles (if you opt for the premium version). Something quite unique is the fact that they have included the ability to interpret and process load test data. I look forward to taking advantage of the free trial to give this program a try. It is priced pretty reasonably, starting at $900 (US). [Source: Check out the DeepFND Page at Deep Excavation's website. Image: Courtesy of Deep Excavation, LLC]

 
Happy Karl Terzaghi’s Birthday, 2016
GeoNews - Comings and Goings
Written by Randy Post   
Sunday, 02 October 2016 22:46

terzaghi_birthdayEvery second of October, geotechnical engineers around the world remember Karl Terzaghi on his birthday! Terzaghi is the father of soil mechanics, and I don't think it is cliche to say he is also the father of our profession. So happy KTB 2016!

I always like to celebrate by reading some of his quotes, many of which seem like they could have been written to us today…like this one:

The one thing an engineer should be afraid of is the development of conditions on the job which he has not anticipated. The construction drawings are no more than a wish dream. I have the impression that the great majority of dam failures were due to negligent construction and not to faulty design.

 
Peter Zeeb Elected New President & CEO of Geosyntec Consultants
GeoNews - Press Releases
Written by Randy Post   
Sunday, 02 October 2016 22:00
(L-R) Rudy Bonaparte, Peter Zeeb of Geosyntec

The Board of Directors for Geosyntec Consultants, Inc. has elected Peter Zeeb, Ph.D., P.G., LSP, as President & CEO of the firm. Zeeb succeeds Rudolph Bonaparte, Ph.D., P.E., F. ASCE, NAE, who has served in that role for the last 20 years.

"Healthy succession planning and implementation are vital to the long-term multi-generational success of our firm. Our CEO transition is part of a continuous process designed to maintain the vitality, competitiveness, and independence of our firm for many years to come. Peter has demonstrated his passionate and complete commitment to the success and well-being of our firm and its employees in his 17 years with Geosyntec," said Bonaparte. "The Board elected Peter because his personal values and ethics are superb and consistent with the firm's mission and vision. An expert practitioner, his personal career also embodies our sell-manage-do culture, and he is a role model that motivates and inspires those around him. Peter's ability to think in an analytical, thoughtful, and clear-minded way and to logically and decisively evaluate and address opportunities and challenges gives the Board confidence he will continue Geosyntec's tradition of technical and client service excellence."

[Editor] Click through for the rest of the press release from Atlanta-based Geosyntec [/Editor]

 
Video: RockWorks17 - New Features
GeoNews - Software Updates
Written by Randy Post   
Sunday, 02 October 2016 15:17

RockWare Software recentl released an updated to their RockWorks software package popular with geotechnical and geological professionals. There are a host of new features. You can read about them on their new features page, or check out the video below. [Source: RockWare YouTube Channel. Image: YouTube]

 
The Building Blocks of the SR 99 Tunnel
GeoNews - Project Related
Written by Randy Post   
Sunday, 02 October 2016 15:16

The tunnel liner that is being placed by the Bertha tunnel boring machine consists of precast concrete segments. This video by the WSDOT shows how they are made at the casting yard, and what Bertha does with them once they get delivered to her where the action is happening. The finished tunnel will consist of over 14,000 of these precast segments! [Source: WSDOT YouTube Channel. Image: YouTube]

 
Timelapse of Maccaferri 5000kJ rockfall protection barrier
GeoNews - Available Resources
Written by Randy Post   
Thursday, 22 September 2016 23:41

This kind of thing is like geo-porn for some of us! You might want to turn down or mute your speakers though, the background music is a little jarring at first. [Source: Maccaferri YouTube Channel. Image: YouTube]

 
New Website for Geoprofessional Business Association
GeoNews - Available Resources
Written by Randy Post   
Thursday, 22 September 2016 23:38
New GBA Website

Joel Carson, the Executive Director of the Geoprofessional Business Association (GBA), recently announced the association's new website. It's a great tool to deliver the excellent resources and information that the GBA makes available to member firms and the industry in general. Did you know that membership is at a firm-level? If your firm is a member, you are a member. You just need to register for an account on the website using your company email address, and you will have access to all of the great resources the GBA has put together. [Source: Visit the GBA's new website. Image: Fusionspan]

 
Webinar Friday: Geotechnical Aspects of Polyurethane Grouting
GeoNews - Rockman's Ramblings
Written by Randy Post   
Tuesday, 13 September 2016 10:57

Randy Post HeadshotI will be the guest speaker at an EagleLIFT, Inc. webinar this Friday, September 16, 2016, from 11am-12pm MST titled: "Geotechnical Aspects of Polyurethane Grout".  I spoke on this topic about a year ago, but if you missed it then, I hope you can attend! Register at: http://eaglelifting.com/webinar/

I am not affiliated with EagleLIFT or URETEK (although, full disclosure, URETEK ICR is a GeoPrac.net sponsor), but I do consider myself a fan and evangelist of their geotechnical polyurethane products and service.  I will be discussing their polyurethane grouting technology from a geotechnical engineer’s perspective.  I will cover the modes of ground improvement, improvements in shear strength, and some of the challenges associated with geotechnical characterization.  I hope you can make it!

 
Fugro HY 2016: Ongoing decline oil & gas market continues to impact results
GeoNews - Press Releases
Written by Randy Post   
Sunday, 28 August 2016 22:06
Fugro revenues were down over 25 percent in HY 2016

Fugro released their financial results for HY 2016. I'm going to guess that's the Dutch equivalent of FY 2016. It's been a tough year for them it looks like, thanks largely to the depressed oil and gas market. Their sales revenues were down over 25 percent from 2015. [Source: Read the full press release from Fugro.com. Image: Fugro]

 
Moretrench CEO Corwin Talks about his Career Path
GeoNews - Available Resources
Written by Randy Post   
Sunday, 28 August 2016 22:04
Art Corwin, CEO of Moretrench

There is a nice little article at the Big Ideas Blog that gives you some insight into the CEO of Moretrench, Art Corwin. Art is unique in this industry from what I can tell in that he wasn't hired from outside to run the company, he came up from the ground floor as a staff engineer with Moretrench, the only company he has worked for in his engineering career. I love his little anecdote about how he aced three exams in an architecture class. The professor asked him if he wanted to be an architect, and said he did. The prof then told him that since he aced the exams, and couldn't draw to save his life, he should become an engineer! I am also impressed by how generous Art is with his time, volunteering for a homeless charity among other things. And that generosity is evident in the Moretrench culture that he helped shape as well. Definitely worth the time to read! [Source: Read the article on the Big Ideas Blog (State University of New York). Image: Big Ideas Blog]

 
Nicholson Awarded Secant Pile Contract for St. Louis CSO Facility
GeoNews - Project Related
Written by Randy Post   
Sunday, 28 August 2016 22:02
Anchored secant pile wall in New York

Nicholson Construction was recently awarded a secant pile wall contract for the Maline Creek combined sewer overflow (CSO) project in St Louis, Missouri. Their scope of work will include 78 880-mm (~3-ft) piles to depths of 40 to 50 feet, 114 880-mm secant piles to approximately the same depth that will form a braced excavation. They will also install 4 seven foot diameter jet grout columns beneath an existing sewer to support it during excavation. [Source: More about the project at NicholsonConstruction.com. Image: Nicholson Construction]

 
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