News – Page 123 – GeoPrac.net

Seattle tunnel will go under 158 buildings

August 22, 2011 rockman Comments Off

The tunnel replacing the Alaskan Way Viaduct (SR-99) will pass beneath 158 existing structures requiring an extensive program of vibration and settlement monitoring as well as some remediation. Of the 158 buildings, WSDOT identified 20 […]

Weekend CUP for August 16, 2011

August 16, 2011 rockman Comments Off

Millions of dollars worth of Brightwater project material deemed unusable – Source: NWCN.com Agile Frameworks, LLC. – Management and IT Consulting, SaaS and Managed Services for AEC / ACEC / ASFE Project-Based Businesses Devastating landslides […]

Access shaft for the Singapore petrol caverns

Singapore digs deep to be petro hub

August 15, 2011 rockman Comments Off

On the island nation of Singapore land is at a premium, so a planned petrochemical storage facility is being constructed 150 meters under the sea floor. The article does not give the total underground storage […]

Shoring wall failure in Rosslyn, Virginia

Shoring retaining wall failure in Virginia prompts apartment building evacuation

August 9, 2011 rockman Comments Off

Shoring wall failure in Rosslyn, Virginia

On Sunday evening, a soldier pile lagging wall shoring system failed at the Sedona & Slate residential development construction site in Rosslyn, Virginia (Arlington County). There were no reported injuries, but an adjacent apartment building was evacuated as a precaution and a nearby street is closed to traffic. Click through for a video that shows some additional views of the damage. The scale of the wall is apparent when you see the shots with workers putting braces near the bottom of the wall. I’m guessing the rakers shown in this image were added monday to attempt to stabilize the wall, but that’s just speculation at this point. Image: MyFoxDC.com

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Standards and Codes

ASTM Standards Update for July 2011

August 9, 2011 rockman Comments Off

American Society of Testing Materials Logo - ASTM July was a busy month for a number of ASTM committees. Click through for a summary of last month’s revised and reapproved standards that are relevant to geotechnical engineering, materials testing, construction CQA, geosynthetics and related technologies.

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UK railroad engineers now designing with Eurocodes

August 8, 2011 rockman Comments Off

UK structural and geotechnical engineers have long used the British Standard codes for design of railroad bridges. Those days are now gone as all rail structures are required to use the Eurocode. This article is […]

Locata’s Ground-Based GPS Mimic with Centimeter Accuracy

August 5, 2011 rockman Comments Off

The principle behind GPS technology is relatively simple, you have a network of satellites where their location is known to a high degree of accuracy, and you have a way to determine the distance between […]

Google Permissions – Google Maps / Google Earth Guidelines

August 5, 2011 rockman Comments Off

Wondering if you can use those Google Earth images in your report? How about your power point slideshow? What is Google Policy on using their Google Maps data for various purposes? Find the answers to […]

Highway Reconstruction with Geofoam

August 5, 2011 rockman Comments Off

This is a nice little overview with Geofoam for people unfamiliar with the material and its applications. It was written by Mr. Nico Sutmoller with Insulfoam, who also contributed this article on a Geofoam project […]

ADSC Lawrenceville Rock Socket Load Test Siteâ€“Prediction Contest!

August 2, 2011 rockman Comments Off

As part of an ongoing ADSC research project on axial capacity of drilled shaft rock sockets in the Southeastern US, several test shafts were constructed this past week and the load test portion will commence […]