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San Francisco Millennium Tower Has Settled 16 Inches
Misrepresents actual foundation geometry. Photos show deep excavation to ne
New FHWA Soil Nail Manual Addresses LRFD, Hollow Bars
Good evening from Barcelona, Spain. I am witting to you because of I am le
Engineering Geologists vs Geological Engineers vs Geotechnic
Geological engineer from Spain (looking for job smiley geoengineer.martin@gmail
A Whole Lotta Shakin' Goin' On: Center for Geotechnical Mode
Randy, While the UC Davis lab is impressive I believe the USACE Centrifuge
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RockWare Launches New Customer Portal PDF Print E-mail
Written by Randy Post   
Thursday, 01 December 2016 15:53
Rockware launches new customer portal

RockWare recently launched a new Customer Portal. It's designed for registered users of RockWorks, LogPlot, RockWare GIS Link, and AqQA software licenses, where you can:

  • view all of the licenses in your organization
  • see upgrade options
  • purchase upgrades
  • view maintenance status
  • renew maintenance
  • access software download links
  • and more to come!
[Source: Check out the new portal from RockWare. Image: Rockware]

 
FHWA Releases GEC 12 - Design and Construction of Driven Pile Foundations PDF Print E-mail
Written by Randy Post   
Monday, 21 November 2016 06:06
Pile driving on the west side approach of the W. R. Bennett bridge in Kelowna, British Columbia, Canada, June 2006

The FHWA recently released 'GEC 12 - Design and Construction of Driven Pile Foundations' (FHWA-NHI-16-009 and FHWA-NHI-16-010). A companion publication 'Design and Construction of Driven Pile Foundations - Comprehensive Design Examples' (FHWA-NHI-16-064) is also available. This publication replaces the previous Reference Manual titled Design and Construction of Driven Pile Foundations, published in April 2006. The publications become the twelfth in the series of geotechnical engineering guidelines called 'Geotechnical Engineering Circulars.'

This update reflects the state of the practice for the design, construction and inspection of driven pile foundations for transportation structures. The guidance is developed following the AASHTO LRFD Bridge Design Specifications, 7th Edition, 2014 with 2015 Interim, and Construction Specifications, 3rd Edition, 2010, with '11, '12, '13, '14, and '15 Interims. The text is developed with a sufficiently broad scope to be of value to a wide range of transportation specialists responsible for assisting with selection, design, development of specifications, construction monitoring, and contracting methods for driven piles. [Source: Download the Publications from the Federal Highway Administration. Image: Stéphane Charette, Dual-licensed under the GFDL and CC-By-SA-2.5, 2.0, and 1.0]

 
Free CPT Webinar on December 2, 2016 at 12:00 PM PST PDF Print E-mail
Written by Randy Post   
Monday, 21 November 2016 05:54

Gregg DrillingGregg Drilling is pleased to announce our next free CPT webinar! Please register for CPT worked examples using CLiq version 2 on Dec 2, 2016 12:00 PM PST at:

https://attendee.gotowebinar.com/register/4106279384711778818

This webinar provides worked examples of CPT-based liquefaction analyses using the software CLiq v2. CLiq v2 has several new features that will be demonstrated during this webinar.

Dr. Peter K. Robertson, Technical Adviser at Gregg Drilling and Professor Emeritus at the University of Alberta, will be the presenter. The webinar will last approximately 1 hour. After the presentation, Dr. Robertson will answer any questions from participants for approximately 20 mins.

All attendees to the live webinar will receive an e-mail 24-hrs after attending to certify their attendance and provide proof of 1 PDH. After registering, you will receive a confirmation email containing information about joining the webinar.

 
7.8 Magnitude Earthquake in New Zealand PDF Print E-mail
Written by Randy Post   
Wednesday, 16 November 2016 14:57
New Zealand road damaged by fault rupture

Significant destruction has occurred in New Zealand as a result of a 7.8 magnitude earthquake near the town of Kaikoura, about 2 hours drive north of Christchurch. Video footage shows significant surface rupture causing damage to homes and infrastructure. There have been numerous landslides as well. The town of Kaikoura had to be evacuated, including about 1,000 tourists, after it was left without power by the event. Only two casualties have been reported based on the information I have heard, and it's fortunate there was not more loss of life. [Source: CNN.com. Image: Mirror.co.uk]

 
SOLDATA becomes SIXENSE PDF Print E-mail
Written by Randy Post   
Wednesday, 16 November 2016 14:56
Sixense services a wide variety of market sectors

Geotechnical and structural monitoring company Soldata has changed names to SIXENSE. SIXENSE is a group of world-class companies offering excellence in digital services and solutions specializing in infrastructure, soil and the environment in order to understand, analyze, anticipate and optimize their clients' investments. SIXENSE brings together 10 companies some having over 20 years of experience in engineering and monitoring technologies. Their mission is to provide support to designers, builders, operators and infrastructure owners in order to successfully overcome three challenges facing them: Construction project management, Asset management, and Risk management. SIXENSE group operates in 20 countries and has strong support from its 600 employees. [Source: Sixense. Image: Sixense]

 
GDCTV Episode 1 - John Yen Interview at Regional Connector PDF Print E-mail
Written by Randy Post   
Thursday, 13 October 2016 22:28

Group Delta Consultants is a California geotechnical engineering firm that has quite a resume of mega projects under their belt, from dams to bridges to subway stations and lines. Their CEO, Mike Reader (a University of Arizona alumnus from my old department, Mining and Geological Engineering, go Cats!) is hosting a series of videos highlighting some of their projects. They call it GDCTV. Their first episode on the Metro Regional Transit Connector Corridor Project in Downtown Los Angeles is embedded below. You can find out more about their projects on their website too. [Source: Group Delta YouTube Channel. Image: YouTube]

 
Video: DeWind One-Pass Trenching Soil Bentonite Wall Animation PDF Print E-mail
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]

 
Timelapse of Maccaferri 5000kJ rockfall protection barrier PDF Print E-mail
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 PDF Print E-mail
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]

 
Moretrench CEO Corwin Talks about his Career Path PDF Print E-mail
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]

 
Video: Changing cutting tools on Bertha TBM PDF Print E-mail
Written by Randy Post   
Wednesday, 17 August 2016 21:19

This is an interesting video of crews changing cutterhead teeth on the Bertha TBM beneath downtown Seattle. [Source: WSDOT YouTube Channel. Image: YouTube]

 
Good Intro Video on Drilled Shaft Construction PDF Print E-mail
Written by Randy Post   
Wednesday, 03 August 2016 23:04

This is a really nice video for folks new to the industry who want to learn about drilled shafts. It has some great photos and hits the high points of what the advantages of drilled shafts are, a bit about how they are designed, construction methods and considerations, etc. [Source: Pier Research YouTube Channel via PileBuck Magazine. Image: YouTube]

 
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