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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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Large Boulder Causes Issues on SR 77 in Arizona
GeoNews - Geologic Hazards
Written by Randy Post   
Thursday, 01 December 2016 15:54
Massive boulder delays re-opening of ADOT's SR 77

Arizona DOT is undertaking a project to remove hazardous rock formations above Highway 77 between the towns of Globe and Winkelman, AZ (east of Phoenix). On November 29/30, The blasting work inadvertently dislodged an 18 foot boulder from about 150 feet above the roadway. The highway was closed at the time for the blasting operation, but it did take crews longer than planned to clear the road as a result of having to break up the massive boulder. [Source: Read more in the ADOT Press Release. Image: ADOT]

 
RockWare Launches New Customer Portal
GeoNews - Available Resources
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]

 
Terracon Acquires GC&T
GeoNews - Comings and Goings
Written by Randy Post   
Thursday, 01 December 2016 15:49
Terracon Acquires Geotechnical Consulting & Testing Inc. (GC&T)

Terracon is expanding into the Virgina market through the acquisition of Geotechnical Consulting & Testing Inc. (GC&T), headquartered in Woodbridge, with a laboratory in Dulles. This is Terracon's 4th acquisition of 2016.

Formed in 1990, GC&T is a privately owned firm primarily dedicated to providing geotechnical and materials testing services. GC&T provides services for transportation and infrastructure, commercial, industrial, retail, residential, office, medical, and hospitality projects throughout the Northern Virginia, Maryland, and Washington, D.C., metropolitan area.
[Source: More info in the Terracon Press Release. Image: Terracon]

 
FHWA Releases GEC 12 - Design and Construction of Driven Pile Foundations
GeoNews - Available Resources
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
GeoNews - Available Resources
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
GeoNews - Available Resources
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
GeoNews - Available Resources
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]

 
Streamlining Landfill Environmental Monitoring
GeoNews - Press Releases
Written by Randy Post   
Thursday, 20 October 2016 06:37

Eurofins Case Study: ESdat Online and ESdat Lab Portal

ESdat OnlineThe Eurofins Field Services Groundwater team conducts compliance monitoring on behalf of various Victorian Landfill operators.

New analytical results from the Eurofins lab and secondary labs were combined into spreadsheets containing ongoing and historical data on behalf of the landfill operators. This was a time consuming, labour intensive process. Uncontrolled, 'hand-me-down' spreadsheets can also introduce or hide critical errors.

Eurofins has adopted ESdat Online and the ESdat Lab Portal to replace the historic spreadsheets in order to increase efficiency and accuracy, and provide the landfill operators with direct access to their consolidated historical results through a web interface.

[Editor] Click through for more from GeoPrac.net sponsor, Esdat.net [/Editor]

 
Jonathan Bennett, P.E., Joins Moretrench
GeoNews - Press Releases
Written by Randy Post   
Wednesday, 19 October 2016 22:55

Jonathan Bennett, P.E., Joins MoretrenchSpecialty geotechnical contractor Moretrench is pleased to welcome Jonathan Bennett, P.E., as Business Development Manager for the Mid-Atlantic and Midwest regions. Jon has 25 years of experience focused primarily on deep foundations, earth retention and other geotechnical construction specialties, as well as extensive business development experience. He holds a Bachelor’s degree in Civil Engineering from West Virginia University, Masters degrees from George Washington University and West Virginia University, and is a Licensed Professional Engineer in Virginia, West Virginia, Maryland and Pennsylvania. Jon regularly shares his knowledge and expertise with the engineering community at large through professional organization committees and boards. A consummate professional, Jon brings the highest levels of dedication and service to each client, making it his mission to provide the optimal solution for the site-specific geotechnical challenges.

 
Today (October 14th) is Geoprofessionals' Day in Seattle
GeoNews - Miscellaneous
Written by Randy Post   
Thursday, 13 October 2016 22:29
Seattle Mayor names October 14 as Geoprofessional's Day

In honor of the GBA holding their Fall Meeting in Seattle, the City's mayor, Edward B. Murray, has named October 14th Geoprofessionals' Day. Pretty cool! [Source: The Geoprofessional Business Association (GBA). Image: GBA]

 
GDCTV Episode 1 - John Yen Interview at Regional Connector
GeoNews - Available Resources
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]

 
Ohio DOT Retaining Wall Approval Process
GeoNews - Miscellaneous
Written by Randy Post   
Thursday, 13 October 2016 22:27
Example of a pre-fabricated retaining wall system that would need approval to be used by Ohio DOT

The Ohio DOT Division of Engineering, Office of Geotechnical Engineering, has a new procedure for pre-approval of prefabricated retaining wall systems (PWRS). In an announcement from back in April, they indicate that all wall system vendors will need to provide a detailed submittal for review and approval by ODOT. Those systems that are successful at getting on the approved products list will have to re-apply every 5 years. And all of the existing systems on the list that were approved prior to April will need to re-submit for approval since their status on the list will expire at the end of 2016. [Source: Ohio DOT OGE. Image: Redi-Rock International]

 
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