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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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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
 
Terracon Acquires AQS Environmental of Omaha
GeoNews - Press Releases
Written by Randy Post   
Friday, 05 June 2015 06:04

AQS Environmental acquired by Terracon

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 offerings will transition seamlessly into Terracon.

[Editor] Click through for the rest of the press release from Terracon. [/Editor]

Last Updated on Friday, 05 June 2015 06:32
 
Residential Foundation Investigation Standards
GeoNews - Available Resources
Written by Randy Post   
Sunday, 31 May 2015 15:49
Typical residential foundation settlement profile

Bob Brown with Arizona Foundation Repair, a foundation repair contractor, has a nice blog post about the need for better standards for forensic investigations for residential foundation investigations. He points to some standards by a group called the Foundation Performance Association. Check it out if you are involved in residential foundation repair or forensic investigations. [Source: Arizona Foundation Repair. Image: Foundation Performance Association]

 
Apartment Building in China Collapses After Landslide
GeoNews - Geologic Hazards
Written by Randy Post   
Sunday, 31 May 2015 15:38
Nine story apartment building collapses in Guiyang city

A nine story apartment building in Guiyang city, China collapsed last week following heavy rains. Officials noted a landslide or mudslides were the apparent cause. There were as many as 16 people missing as rescuers searched the rubble of the 35 family residential building. [Source: Shanghaiist.com via USGS Landslide Events. Image: Shanghaiist.com]

 
Dr. Fred H. Kulhawy: 1943 - 2015
GeoNews - In Memoriam
Written by Randy Post   
Tuesday, 26 May 2015 13:18

Dr. Fred H. Kulhawy, 1943-2015Fred Howard Kulhawy was born in Topeka, Kansas on September 8, 1943 to Fred and Gloria (Hahn) Kulhawy. He spent his childhood and early adulthood in New Jersey, where he received his B.S.C.E. in 1964 from Newark College of Engineering (NCE), which is now a part of New Jersey Institute of Technology. He completed his M.S.C.E. from NCE in June 1966, married Gloria Ianna in September 1966, and they relocated to Berkeley, CA for educational pursuits. He received his Ph.D. from UC Berkeley in September 1969, and began his Professorial career at Syracuse University, where he advanced to the rank of Associate Professor. In 1976 he joined the Cornell Faculty, becoming Professor in 1981. During his 40-year academic career, Fred taught a wide range of courses in the field of geotechnical engineering. At Cornell he also supervised the annual Master of Engineering geotechnical design project seventeen times. His courses emphasized basics and developing thought processes, but they always were oriented toward design and professional practice.

He has been a prolific researcher, with sponsors ranging from various government agencies to public and private companies. He has supervised 54 M.S. and Ph.D. theses. He has authored/co-authored more than 370 publications. The research done by him and his students has influenced geotechnical practice. His contributions have been recognized with over 20 major professional society awards. Among them are the following: Distinguished Member of ASCE, the highest accolade of ASCE for acknowledged eminence in engineering; the Norman Medal, the oldest and most prestigious technical award of ASCE; and the Karl Terzaghi Award, the ASCE Geo-Institute career accolade for eminence in geotechnical engineering.

After his retirement he kept active in his Consulting Practice, as well as travelling to indulge one of his passions, opera. He is survived by his wife, Gloria; a brother Kenneth of Tempe, AZ; brother and sister in-law, Frank and Nancy Ianna, nieces Kristy and Lindsay, nephew Rob Ianna, of NJ; and numerous cousins. There are no services. In lieu of flowers please consider a donation to Hospicare, 172 East King Road, Ithaca, NY 14850, or a charity of your choice. Bangs Funeral Home is assisting the family.

Obituary reproduced from MeaningfulFunerals.net. Image from ASCE.

Last Updated on Tuesday, 26 May 2015 13:19
 
Retaining Wall Collapses in Colorado Springs
GeoNews - Failures
Written by Randy Post   
Tuesday, 26 May 2015 06:07

Failing Retaining Wall in Colorado Springs near Lower Gold Camp and Bear Creek Road in May of 2015

A private homeowner's retaining wall experienced a major failure near Colorado Springs, causing the evacuation of several families. According to KKTV, the homeowner obtained a permit to construct a 20 foot high retaining wall, however the wall stands at 36 feet high. As of Memorial Day, the three evacuated families have been allowed to return to their homes. The wall has now "completely fallen down." The original failure occurred after a period of heavy rain in the region. [Source: Read more at KKTV.com (Colorado Springs) via USGS Landslide Events. Image: CBS]

Video

Last Updated on Tuesday, 26 May 2015 13:10
 
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