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Monday, 01 May 2017

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Video of Highway 101 Landslide in California [2017-05-01 07:32:46]  recommend  recommend this post  (3 visits) info
A secondary landslide on Highway 101 north of Legget, California was captured on video at the end of April. The original slide closed the highway and after Caltrans was able to clear it and reopen the highway for several hours, a stuck motorist took this video. What strikes me is how overconfident the (presumably) Caltrans employees are. If you see the slope shedding rocks like that, you better get back in a hurry! [Source: Facebook Video from Wendy K. via Image: [...]

ISRM Online Lectures on Rock Mechanics Topics [2017-05-01 07:16:41]  recommend  recommend this post  (3 visits) info
The International Society of Rock Mechanics (ISRM) has some great lectures posted online. The latest one posted in April is 'Why Rock Mechanics and Rock Engineering?' by Professor Emeritus Charles Fairhurst of the University of Minnesota and the Itasca Consulting Group. [Source: Watch the lectures for free from ISRM. Image: Itasca]

Kansas City Company Uses US Product, TerraThane, to Keep Natural Gas Flowing in Nation’s Ninth Largest Gas Reserve [2017-04-14 17:21:54]  recommend  recommend this post  info
FORT LUPTON, CO—An unfortunate inlet line break at one of Anadarko Petroleum's hydraulic fracturing stations in Weld County, Colorado just north of Denver, allowed injection fluid to wash out the end of the pumping station and get beneath the concrete slab foundation causing erosion. The voids created beneath the slabs were from three inches to five inches and left the slab floor uneven. The general contractor for the station, Open Range Services, initially thought to use the legacy method [...]

Breakthrough! Bertha TBM Completes Alaskan Way Viaduct Tunnel in Seattle [2017-04-05 07:29:14]  recommend  recommend this post  (30 visits) info
After tunneling 9,270 feet under downtown Seattle, the Bertha tunnel boring machine finally broke through at the north portal yesterday. The breakthrough marks a major milestone in the project to replace the seismically deficient SR-99 Alaskan Way Viaduct. The 57.5 foot diameter machine started tunneling in July of 2013, and I was fortunate enough to take a tour of it shortly after that. The Seattle Tunnel Partners team ran into some major problems in January of 2014 when they encountered an [...]

Uncovering the Hidden Benefits of Buying New Software [2017-04-04 08:38:54]  recommend  recommend this post  (1 visit) info
A good way to begin building a business case for investing in new software and systems is to evaluate the time and cost in carrying out a typical task, such as producing site plans and geological profiles. Byrne Looby Partners have done just this and reaped significant benefits from using HoleBASE SI and the AutoCAD Civil 3D extension on The Irish Water projects. As Andy Wilkins says, ‘Everything we do now goes into HoleBASE SI and the Civil 3D extension as it is saving us and our [...]

Bentley Webinar - Data Transfer in gINT, April 5, 2017 [2017-04-04 08:38:08]  recommend  recommend this post  (1 visit) info
Bentley will be hosting a webinar at two different times on April 5, at 9 a.m. EDT and 5 p.m. EDT for the new gINT Special Interest Group (SIG). They will focus on a current hot topic, Data Transfer. We've all been there. You need to move your data from one project to another, or maybe to another application. So mark your calendar, and invite your colleagues, to learn how to take your gINT usage to the next level. Discussion, demonstration, and Q&A will include: Practical applications [...]

Norway may build the world's first tunnel for ships [2017-03-30 08:04:15]  recommend  recommend this post  (61 visits) info
If Norway's Stad Ship Tunnel gets approved, it would be located on the Stadhavet Sea, an area known for heavy winds and hurricanes. Stormy weather makes it almost impossible for ships to travel in the area. Vessels often wait for hours or even days before it becomes safe enough to cross. A study has been performed by the Norwegian Coastal Administration (NCA), and their findings are scheduled to be released this May. If approved by the Norway Department of Transport, construction could [...]

Geo-Institute 2016-2017 Awards Video [2017-03-30 08:03:53]  recommend  recommend this post  (58 visits) info
The Geo-Institute's Geo-Frontiers conference was held recently in Orlando Florida. On March 14, 2017, they presented their awards, including the prestigious Karl Terzaghi Award, the Ralph Peck Award and others. This video was shown at the awards banquet. It's a nice video,rn but they need to instruct their voice actor how to say's not 'Geo Technical'! [Source: Watch the video at the Geo-Institute YouTube Channel. Image: YouTube]

AASHTO Materials and Lab Specs in Print No More [2017-03-30 08:02:49]  recommend  recommend this post  (57 visits) info
Maybe I missed this when it first happened, but I recently saw that AASHTO's Standard Specifications for Transportation Materials and Methods of Sampling and Testing is no longer being offered as a printed book but now is a web-based publication with a single year subscription fee. It can get pretty pricey for multi-user license. I'm sure it's convenient, but if you are running an AASHTO accredited lab, you probably just have to bite the bullet. I wonder if all of their publications are [...]

Watch the 57th Rankine Lecture Live on March 15 [2017-03-14 12:43:37]  recommend  recommend this post  (175 visits) info
Prof. Eduardo Alonso from UPC in Barcelona will be presenting this year's Ranking Lecture awarded by the British Geotechnical Association. You can live stream the lecture on YouTube starting at 1:25pm Eastern on Wednesday, March 15. Prof. Alonso will be presenting on the topic: Triggering and Motion of Landslides. [Source: Watch the lecture at the British Geotechnical Association YouTube Channel. Image: YouTube]

Free Online Soil USCS Calculator [2017-03-09 06:49:30]  recommend  recommend this post  (2 visits) info
The folks at have created a great little free online tool that will calculate a USCS soil classification (ASTM D 2487 / ASTM D 2488) based on the percentage of your components and fines type. It's drop dead simple to use with sliders and buttons. [Source: Use the tool for free at Image:]

Underneath Seattle: Working Under Pressure to Keep Bertha Moving [2017-03-09 06:48:11]  recommend  recommend this post  (101 visits) info
Every tunneling machine needs its cutting tools replaced every now and then. But the challenge is keeping a giant machine sharp while a wall of waterlogged earth looms in front. Welcome to the world of hyperbaric interventions, where crews used compressed air to stabilize the ground and safely complete this high pressure work. This video takes you 200 feet underground for a rare look at hyperbaric work inside Seattle’s SR 99 tunneling machine, Bertha. [Source: WSDOT YouTube Channel. [...]

5 Steps to Maximize your gINT and HoleBASE SI Geotechnical Data Archive [2017-02-28 06:44:20]  recommend  recommend this post  (164 visits) info
How do you get the most out of the geotechnical data your company or agency spent so much money to obtain? GeoPrac sponsor Keynetix is an expert at answering just that question, and their latest blog post has 5 great tips on how to maximize the use of your data. This is some very actionable stuff for geotechnical engineers, and a must read for anyone who works with subsurface data in gINT, HoleBase or other geotechnical software. [Source: View this interesting article from Keynetix. Image: [...]

California Narrowly Averts Disaster at Oroville Dam [2017-02-28 06:43:33]  recommend  recommend this post  (165 visits) info
Earlier in February severe rain caused the Oroville Dam in Sacramento to reach capacity. The dam is an earth fill dam approximately 770 feet high, making it one of the tallest dams of this type in the Country. On February 11, water began flowing over the emergency spillway, which prior to that point had never been used, and caused erosion at the base of the weir, threatening to undermine the wall at the top of the spillway and potentially cause a catastrophic failure of the dam. Local police [...]

Top GBA Downloaded Resources in 2016 - GBA [2017-02-28 06:42:55]  recommend  recommend this post  (33 visits) info
The Geoprofessional Business Association (GBA) compiled a list if their top downloaded resources from last year. You need to be a member to download them for free. But did you know that if your firm is a GBA member firm, you are automatically a member of GBA? You just need to register on the GBA site with your work address that matches the company domain name and you can download all of the resources for free! [Source: Check out the GBA Top Downloaded Resources. Image: GBA]

Catch-Up Post (CUP) Feb 9, 2017 [2017-02-09 13:39:14]  recommend  recommend this post  (30 visits) info
There is some great stuff in here for anyone interested in geotechnical news, geologic hazards, and geological and geotechnical aspects for projects around the World. Enjoy Emergency Bridge Underpinning: Choosing Micropiles - Source: URETEK MA Blog Tall Reinforced Walls Make Road Construction Possible for Park - Source: Redi-Rock Sinkhole opens above light rail tunnel and station construction in Ottawa - Source: CBC News Rowan University Student Receives 2016 John F. [...]

Video: Fascinating Geotechnical News in 2016 [2017-02-09 06:51:08]  recommend  recommend this post  (29 visits) info
Our colleagues over at put together a great video compiling some of the more interesting stories of 2016 for all of us geotechnical nerds. Check it out! [Source: YouTube Channel. Image: YouTube]

Free On-line Coordinate Conversion Tools [2017-02-09 06:49:23]  recommend  recommend this post  (36 visits) info
RockWare, the makers of RockWorks and LogPlot geotechnical software, have released a free online tool to convert between different coordinate systems. You can convert to and from State Plane coordinates using a NAD27 datum, and geographic latitude and longitude with a NAD83 / WGS84 datum using a pretty simple interface. There are probably a few other coordinate systems built in there as well. You can visualize your points immediately on a Google Maps interface. You can also plot up an [...]

Moretrench’s Wayne Fjotland Promoted to Vice President [2017-02-01 05:53:38]  recommend  recommend this post  (5 visits) info
Moretrench is very pleased to announce that Wayne Fjotland has been promoted to the position of Vice President.  Wayne has more than 36 years of focused geotechnical construction management experience.  He joined Moretrench as Manager of Field Operations in 2001 and became Northeast Geotec Regional Manager in 2015.  In addition to serving Moretrench in a corporate capacity, Wayne will continue oversee the company’s geotechnical operations in the greater New York Metro area, New Jersey, and [...]

URETEK Rehabilitates Prison Rec Hall [2017-01-31 22:46:25]  recommend  recommend this post  (1 visit) info
An aging prison building in Fort Worth, Texas had seen areas of settlement as much as 7.5 inches inside the building. URETEK successfully implemented their URETEK Method to lift the sunken slabs and stabilize the floor of the Prison's Rec Hall. Check out the video below or visit URETEK's blog post for more info. [Source: URETEK ICR YouTube Channel. Image: YouTube] | Impressum