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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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Hatch Mott MacDonald Wins ACEC Grand Award for Niagara Tunnel Project
GeoNews - Project Related
Written by Randy Post   
Wednesday, 01 July 2015 00:24
The world's largest hard rock TBM breaks through on the Niagara Tunnel Project

Hatch Mott MacDonald received the prestigious ACEC Grand Award at the 2015 Engineering Excellence Awards Gala on April 21. ACEC had this project description in their program:

More than six miles long and 43 feet in diameter, the new Niagara Tunnel is the largest renewable energy project in the world. Providing much-needed power for the city of Niagara Falls, it is located deep beneath the city and is more than one and a half times wider than the English Channel Tunnel.

I blogged about this project a bit a number of years back, often pointing to the entertaining posts of a blogger and former insider in the Ontario tunneling and power industry who didn't have too many flattering things to say about the project! But it is clearly a remarkable project and deserving of the ACEC award. [Source: Tunnel Business Magazine. Image: Tunnel Business Online]

 
Moretrench Wrapup of Rapid Excavation and Tunneling Conference
GeoNews - Conferences
Written by Randy Post   
Wednesday, 01 July 2015 00:09
Moretrench wrap-up for Rapid Excavation and Tunneling Conference

GeoPrac sponsor Moretrench was very active at the recent Rapid Excavation and Tunneling Conference in New Orleans earlier this month. VP Paul Schmall helped teach a short course on grouting in underground construction, and Director of Ground Freezing Technology, Joe Sopko, co-chaired the Grouting and Ground Modification technical session, and there were three technical papers presented on Moretrench projects. [Source: Visit the Moretrench Blog to read more about the conference and see what projects were featured there. Image: Moretrench]

 
2015 Seed Lecture - Peter Robertson on Liquefaction
GeoNews - Available Resources
Written by Randy Post   
Tuesday, 23 June 2015 22:49

Peter K. Robertson, Ph.D., P.Eng, Professor Emeritus, University of Alberta, Technical Advisor, Gregg Drilling & Testing Inc. is the 2015 recipient of the H. Bolton Seed Medal for outstanding contributions to teaching, research, or practice in geotechnical engineering. He presented his keynote lecture at the 2015 IFCEE Conference in San Antonio. The title of the presentation was Evaluation of Soil Liquefaction - How Far Have We Come in the Past 30 Years?

[Source: Don't forget to Subscribe to the Geo-Institute YouTube Channel. Image: YouTube]

Last Updated on Wednesday, 24 June 2015 05:53
 
Controversy Over Rafting Trip Through Site of Oso Landslide
GeoNews - Geologic Hazards
Written by Randy Post   
Tuesday, 23 June 2015 22:48
Controversial rafting trip down the Stillaguamish River by the Oso Landslide

A professional river guide came under fire for a rafting trip through the site of the Oso landslide. Families of the victims issued a cease and desist order, but the trip happened anyway. Opponents of the trip likened it to taking a trip through a graveyard, that it was disrespectful to those that died in the tragedy. Others noted that places like the site of the Boston bombing and the World Trade Center did not get to become off limits after their tragedies. The guide said that it was his first and last trip to that site because of the low volume of water. [Source: Read more from Q13 FOX News. Image: Q13 Fox News]

 
NovoLIQ Introduction Video
GeoNews - Software Updates
Written by Randy Post   
Sunday, 14 June 2015 23:06

NovoLIQ software by GeoPrac sponsor Novotech allows geotechnical engineers to perform soil liquefaction analysis. NovoLIQ covers several liquefaction triggering analysis including post liquefaction parameters and dry sand settlement. This program covers SPT, Vs and BPT and calculates factor of safety and many other analyses results. [Source: YouTube. Image: YouTube]

 
Transitioning from Geotechnical Consulting to Contracting | 2015-04-28 | National Driller
GeoNews - Available Resources
Written by Randy Post   
Sunday, 14 June 2015 16:06
Kord Wissman, President of Geopier Foundation Company

National Driller magazine had a nice article not to long ago interviewing Kord Wissman about his transition from consulting to contracting. Kord is the President of Geopier Foundation Company (owned by Tensar). He has some very interesting insights, it's worth the read. I admire Kord as well for his involvement with the Geo-Institute and the GBA, he is very generous with his time and talents, more of us should be like him! I think GBA members can listen to his 'Going to the Dark Side' presentation (which was the impetus for the interview) for free, check the GBA website. [Source: Read the interview at National Driller. Image: National Driller]

 
Bertha TBM Gets Spare Parts
GeoNews - Project Related
Written by Randy Post   
Sunday, 14 June 2015 15:59
Bertha's new bearing is delivered

The Bertha TBM just received a shipment of spare parts to repair the giant tunneling machine. The manufacturer decided to redesign the seal system to make it easier to access from the inside, if necessary. That's probably a good idea considering the prospect of a repair like this one once the machine is moving beneath downtown Seattle. Other improvements and repairs to the TBM include:

  • A new main bearing
  • Enhanced monitoring systems
  • Added steel to strengthen the machine and accommodate the new seal system
  • Widened openings at the center of the cutterhead
  • Extended arms to mix excavated soil in the chamber behind the cutterhead
[Source: WSDOT Alaskan Way Viaduct Project Page. Image: WSDOT Flickr Page]

 
Geo-Institute Launches New Website
GeoNews - Available Resources
Written by Randy Post   
Tuesday, 09 June 2015 22:41

New Geo-Institute Website

From the G-I eUpdate Newsletter:

The Geo-Institute is proud to announce the launch of its new website! With the same URL as before, www.geoinstitute.org, the website strives to support and communicate the value and dynamism of the geoprofession, preserve its integrity, and foster its growth.

Our easy-to-use website features efficient navigation and search, making our most popular and newest content easy to find. The appealing, new design allows GEOSTRATA articles to be easily accessed and indexed by subject.

The G-I website also hosts autonomously maintained "microsites" for committees and chapters; this allows all the individual websites to be located in one place and fosters communication within the G-I community.

The website looks great. Yours truly served on a task force to provide input on selecting a consultant and various design features. I know it will be a tremendous resource for our profession for many years! [Source: Visit the Updated Geo-Institute Website via G-I eUpdate Newsletter. Image: G-I via ShrinkTheWeb]

Last Updated on Wednesday, 10 June 2015 05:45
 
Keynetix and BGS to develop BIM for the subsurface
GeoNews - Miscellaneous
Written by Randy Post   
Tuesday, 09 June 2015 16:01

GeoPrac sponsor Keynetix has announced some exciting news, a collaboration with the British Geotechnical Survey (BGS) on a research project to develop BIM models for geotechnical and geological data. Watch the video below, or read more in the Keynetix Press Release! [Source: Keynetix]

Last Updated on Tuesday, 09 June 2015 23:08
 
Weekend CUP for June 9, 2015
GeoNews - Weekend CUP
Written by Randy Post   
Tuesday, 09 June 2015 05:46

It's been a busy few months, as I note in my most recent email newsletter. Here are some stories I never got a chance to blog about.

And click through for the rest of the list...

 
GeoPrac Newsletter 053 Is Out
GeoNews - Rockman\'s Ramblings
Written by Randy Post   
Monday, 08 June 2015 23:03

GeoPrac Newsletter 053

The latest issue of the GeoPrac newsletter, number 053, is out. Did you miss it? Find out what I've been up to over the past few months. And catch up on things you missed, like:

  • New Soil Nail Manual
  • Houston Highway Stabilization
  • Ed Nowatzki 1936-2015
  • Most Popular GeoPrac Content!
  • Fred Kulhawy 1943-2015
  • Yeager Airport Failure

Read the GeoPrac.net Newsletter 053!

And if you haven't already, please subscribe to the newsletter (powered by Constant Contact, so you know you can safely unsubscribe at any time). 

Last Updated on Tuesday, 09 June 2015 06:15
 
Maine Bridge Uses First GRS Wall in a Marine Environment
Articles - Retaining Walls
Written by Lindsey Manthei O'Connor   
Friday, 05 June 2015 06:31

This GRS-IBS solution is the first in a marine environment.The City of North Haven is located on an island off the coast of Maine. This town was faced with a unique challenge when a bridge needed replacing. Looking for an economical option, designers decided on a Geosynthetic Reinforced Soil - Integrated Bridge System (GRS-IBS). This solution allowed the town and DOT to re-use an existing bridge pier, beat the construction deadlines, and provide a modern bridge solution for this small town.

[Editor] Read on for more on this fascinating project in a contributed article by Lindsey Manthei O’Connor of Redi-Rock! [/Editor]

Last Updated on Friday, 05 June 2015 06:36
 
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