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Monday, 27 July 2015

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Federal Highway Administration Launches New National Tunnel Inspection Program 

GeoPrac.net [2015-07-27 10:00:05]  recommend  recommend this post  (24 visits) info

 US
New Initiative Modeled After Longstanding Bridge Program WASHINGTON –The U.S. Department of Transportation’s Federal Highway Administration (FHWA) today published the final rule for national tunnel inspection standards that will serve as the foundation of the nation’s first standardized tunnel inspection program. It will be modeled after the FHWA’s successful bridge program established nearly a half-century ago to ensure the safety of the nation’s bridges. [...]

Geocomp to Provide Engineering Services for Fukushima Ice Wall 

GeoPrac.net [2015-07-27 10:00:02]  recommend  recommend this post  (22 visits) info

 JP,US,GB
After the 2011 Fukushima earthquake, the reactors at TEPCO's nuclear facility began leaking radioactive groundwater. The plan to contain the contamination is to use ground freezing to construct an "ice wall" to cutoff the flow. Acton, Massachusetts based Geocomp has been contracted by TEPCO to provide engineering services for the ground freezing. Geocomp has subcontracted specialty geotechnical contractor and GeoPrac sponsor Moretrench to provide their specialty ground freezing [...]

Selected IFCEE 2015 Articles Free for Limited Time 

GeoPrac.net [2015-07-27 10:00:00]  recommend  recommend this post  (21 visits) info

 US
The 2015 International Foundation Congress and Equipment Expo was held in San Antonio back in March of this year.  The proceedings from IFCEE 2015 are now available online and for purchase at the ASCE Library.  However, they are offering a selection of papers for free for a limited time, you just need to be registered with ASCE Library. You can register for free to get access if you haven’t already. Group Effects on Piles Behavior under Lateral Loading Pooya [...]

Site Characterization Services: Step 1 Data Mining 

GeoPrac.net [2015-07-17 08:33:49]  recommend  recommend this post  (24 visits) info
A nice video from Terracon on the first step for a geotechnical engineering investigation. [Source: Terracon YouTube Channel. Image:

Winners of the First Annual Golder Foundation Awards 

GeoPrac.net [2015-07-17 08:15:02]  recommend  recommend this post  (26 visits) info
The Golder Foundation presented the first annual awards to six students in the fields of Ground Engineering and Contaminant Site Assessment and Cleanup. The cash awards, totaling $40,000 USD, are meant to encourage and recognize technical excellence in some of the areas that Golder practices in.   The Golder Foundation was created in 2013 and aims to further knowledge and learning by opening the technical archives of our founders and some senior staff; through sharing Golder's distinct [...]

New DeWind One-Pass Trencher–World’s Largest! 

GeoPrac.net [2015-07-13 15:31:01]  recommend  recommend this post  (30 visits) info
This slide courtesy of DeWind pretty much says it all!

Historic Brewery Restored With Help of Geopolymer 

GeoPrac.net [2015-07-13 15:24:52]  recommend  recommend this post  (27 visits) info

 US
Turning a 119 year old brewhouse into a four-star boutique hotel is no easy task. For the project to be a success, the structure had to literally be raised from it’s grave. Pearl Brewery operated from 1883 until 2001 in their downtown San Antonio, Texas location. It was once the largest brewery in Texas, and even kept afloat during the Prohibition era. Today the 22- acre Pearl site grounds has become a culinary gathering place where you can eat, live, learn, and play on the banks of the [...]

Hatch Mott MacDonald Wins ACEC Grand Award for Niagara Tunnel Project 

GeoPrac.net [2015-07-01 09:24:15]  recommend  recommend this post  (28 visits) info

 CA,
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 [...]

Moretrench Wrapup of Rapid Excavation and Tunneling Conference 

GeoPrac.net [2015-07-01 09:09:04]  recommend  recommend this post  (16 visits) info

 US
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 [...]

2015 Seed Lecture - Peter Robertson on Liquefaction 

GeoPrac.net [2015-06-24 07:49:07]  recommend  recommend this post  (22 visits) info

 US,CA
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 [...]

Controversy Over Rafting Trip Through Site of Oso Landslide 

GeoPrac.net [2015-06-24 07:48:17]  recommend  recommend this post  (18 visits) info

 US
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 [...]

NovoLIQ Introduction Video 

GeoPrac.net [2015-06-15 08:06:26]  recommend  recommend this post  (22 visits) info
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:

Transitioning from Geotechnical Consulting to Contracting | 2015-04-28 | National Driller 

GeoPrac.net [2015-06-15 01:06:02]  recommend  recommend this post  (20 visits) info
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' [...]

Bertha TBM Gets Spare Parts 

GeoPrac.net [2015-06-15 00:59:11]  recommend  recommend this post  (20 visits) info

 US,IN
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 bearingEnhanced monitoring systemsAdded steel to strengthen the machine and accommodate the new [...]

Geo-Institute Launches New Website 

GeoPrac.net [2015-06-10 07:41:47]  recommend  recommend this post  (18 visits) info
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 [...]

Keynetix and BGS to develop BIM for the subsurface 

GeoPrac.net [2015-06-10 01:01:30]  recommend  recommend this post  (30 visits) info

 GB
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]

Weekend CUP for June 9, 2015 

GeoPrac.net [2015-06-09 14:46:24]  recommend  recommend this post  (28 visits) info

 US,DE
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. Recap of the Need for Heave Mitigation - Source: Arizona Foundation Repair Residential Foundation Issues - Heave or Settlement? - Source: Arizona Foundation Repair DFI Announces 2015 Osterberg Memorial Lecturer - Source: Deep Foundations Institute (DFI) Deep Foundations Magazine for November-December 2014 - Source: DFI E.P.A. Issues [...]

GeoPrac Newsletter 053 Is Out 

GeoPrac.net [2015-06-09 08:03:48]  recommend  recommend this post  (13 visits) info

 US
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, [...]

Maine Bridge Uses First GRS Wall in a Marine Environment 

GeoPrac.net [2015-06-05 15:31:24]  recommend  recommend this post  (3 visits) info
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 [...]

Terracon Acquires AQS Environmental of Omaha 

GeoPrac.net [2015-06-05 15:04:50]  recommend  recommend this post  (34 visits) info

 US
Familiar Team Enhances Air Quality Service Capabilities OLATHE, Kan. — Terracon is pleased to announce the acquisition of AQS Environmental Inc. of Omaha, Neb. Founded in 1965, Terracon offers environmental, facilities, geotechnical, and materials services from more than 150 offices across the United States. AQS is an air quality consulting firm with extensive experience solving mold, asbestos, lead-based paint, indoor air quality, and radon issues. AQS’s complementary service [...]
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