Hybrid Shoring System For Seattle High-Rise Deep Excavation

April 18, 2018 rockman News, Project Related Comments Off on Hybrid Shoring System For Seattle High-Rise Deep Excavation
Tower 12 Project temporary excavation in Downtown Seattle, credit: Terracon

Terracon posted a new blog post about a unique hybrid soil nail and anchored soldier pile wall excavation support system for the Tower 12 Building project in Downtown Seattle.  The project involves a 60-foot deep excavation for underground parking, but the west side of the excavation was adjacent to an existing 20-story building with three levels of below-grade parking.  The hybrid system involved tightly spaced soil nails in the upper portion of the excavation wall and steeply-inclined, high-capacity ground anchors (200 kip) to support the lower portion.  Check out more details on this interesting project from Terracon.

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Terracon acquires NORCAL Geophysical Consultants
Press Releases

Terracon Acquires NORCAL, Strengthens West Coast Presence

November 23, 2015 rockman Press Releases Comments Off on Terracon Acquires NORCAL, Strengthens West Coast Presence

Terracon acquires NORCAL Geophysical ConsultantsOLATHE, Kan. – Terracon, a leading provider of environmental, facilities, geotechnical, and materials engineering services, is pleased to announce the acquisition of NORCAL Geophysical Consultants, Inc. of Sonoma County, Calif. Terracon is retaining NORCAL’s 11 employees.

Founded in 1983, NORCAL offers geophysical technologies in support of geologic, groundwater, environmental, and engineering investigations. NORCAL’s capabilities, including their unique geophysical expertise, complement Terracon’s existing services and broaden the service offerings for clients across the country.

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

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Miscellaneous

Updated – DFI Committee Looking for Soil Nail Data

June 24, 2008 rockman Miscellaneous Comments Off on Updated – DFI Committee Looking for Soil Nail Data

[Update 2008-06-25 8am] I saw somewhere that they were looking for this info by July 1, but I don’t know where. I couldn’t find a deadline on the DFI Committee page. Maybe they erased it. [/Update]

The Tiebacks & Soil Nailing Committee of the Deep Foundations Institute is collecting data on soil nail wall performance. From the Tiebacks & Soil Nailing Committee page:

A request for information has been distributed to all DFI members, academia and various other industry members.  Information being sought includes typical project, geotechnical and wall geometry information, design and analysis methods and software, construction and monitoring duration, settlement and lateral deformation data, and nail strain gauge data.  Click here to download the PDF form to enter your project’s information to the committee for compilation and analysis.

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