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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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The Earthquake That Will Devastate Seattle PDF Print E-mail
Written by Randy Post   
Sunday, 02 August 2015 14:04
The next full-margin rupture of the Cascadia subduction zone will spell the worst natural disaster in the history of the continent.

This is a fantastic article by Kathryn Schulz for New Yorker Magazine on the seismic and tsunami hazards associated with the Cascadia Subduction Zone in the Pacific Northwest. Ms. Schulz paints a very vivid picture of what the devestation will look like based on input from many people who know what they are talking about, geologists, seismologists, FEMA officials, and State and Local disaster planning folks. This article was so effective, that NPR reported a run on survival kit supplies in Northwest U.S. The article also does a nice job explaining the interesting geologic detective work to connect the dots on the last major earthquake and Tsunami to strike that area in January of 1700. Highly recommended reading. What did you think of the article? Leave a comment below. [Source: The New Yorker via AEG Insider. Image: ILLUSTRATION BY CHRISTOPH NIEMANN; MAP BY ZIGGYMAJ / GETTY - New Yorker.com]

 
The World's Longest (and Scariest) Glass Pedestrian Bridge PDF Print E-mail
Written by Randy Post   
Friday, 31 July 2015 01:15
Proposed glass bridge in China's Zhangjiajie National Forest

Check out this proposed bridge in China's Zhangjiajie National Forest. It has a span of 1,200 feet and is over 1,300 feet off the ground. The majestic landscape was reportedly the inspiration for the Halleluja Mountains of James Cameron's movie Avatar. The bridge architect that designed it initially refused saying the landscape was too beautiful to put a bridge there. But agreed only if they could design a bridge that would 'disappear'. The 20 foot wide platform is slated to host fashion shows, and the center of the structure will be used for bungee jumping! [Source: Wired. Image: Wired]

 
GroundProbe Releases New In Pit Radar PDF Print E-mail
Written by Randy Post   
Friday, 31 July 2015 01:14
GroundProve releases new SSR-FX in-pit radar

GroundProbe has released a new slope stability monitoring radar for use in pit. The SSR-FX is designed to aid in increasing safety and productivity in mines. According to GroundProbe CEO John Beevers:

"The SSR-FX is the first product in our range of broad area monitoring solutions; it uses new antenna technology not yet seen in the mining industry, to scan 180 degrees every two minutes with sub millimeter precision, over long periods,"
rn [Source: Mining Australia. Image: Australian Mining]

 
Selected IFCEE 2015 Articles Free for Limited Time PDF Print E-mail
Written by Randy Post   
Monday, 27 July 2015 01:00

IFCEE 2015 LogoThe 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.

Last Updated on Saturday, 25 July 2015 07:47
 
Site Characterization Services: Step 1 Data Mining PDF Print E-mail
Written by Randy Post   
Thursday, 16 July 2015 23:33

A nice video from Terracon on the first step for a geotechnical engineering investigation. [Source: Terracon YouTube Channel. Image: YouTube]

Last Updated on Friday, 17 July 2015 06:34
 
New DeWind One-Pass Trencher–World’s Largest! PDF Print E-mail
Written by Randy Post   
Monday, 13 July 2015 06:31

This slide courtesy of DeWind pretty much says it all!

dewind-mt3500-largest-deep-onepass-trencher-in-the-world-1-638

Last Updated on Monday, 13 July 2015 06:32
 
2015 Seed Lecture - Peter Robertson on Liquefaction PDF Print E-mail
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
 
Transitioning from Geotechnical Consulting to Contracting | 2015-04-28 | National Driller PDF Print E-mail
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]

 
Geo-Institute Launches New Website PDF Print E-mail
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
 
Residential Foundation Investigation Standards PDF Print E-mail
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]

 
2015 Tunneling Industry Forecast PDF Print E-mail
Written by Randy Post   
Thursday, 30 April 2015 15:19

What will 2015 hold for the tunneling industry? Tunnel Business Magazine asked a panel of 4 industry experts that question. The panel consisted of a Colorado School of Mines Professor as well as reps from Black and Veatch, AECOM, and Kenall Manufacturing. In general they seem to agree that there are opportunities in the US for large combined sewer outfall (CSO) projects, water distribution projects, and even high-speed rail, particularly in California. [Source: Check out all of the analysis at Tunnel Business Magazine]

 
The van that goes looking for potholes PDF Print E-mail
Written by Randy Post   
Thursday, 16 April 2015 23:28
High-tech pothole-seeking van from Northeastern University

A team from Northeastern University has a very interesting van used for quantitatively assessing pavement condition using a variety of sensors. They use cameras, laser profilers, accelerometers on axles, pressure sensors in the tires, microphones, and even ground penetrating radar. The researchers reportedly characterized pavement condition of 150 miles of road in 4 days in Beverly, Massachussets, a task that took public employees about 1 year the last time it was performed, in 2010. The cost of the survey was around $25,000. The technology is expected to be commercialized this month. [Source: The Boston Globe. Image: Boston Globe]

 
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