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  • [ August 8, 2022 ] First Tunnel Completed with Low Carbon Concrete Project Related
  • [ July 28, 2022 ] 3D Finite Element Analysis of a Deep Excavation & Ground Response Evaluation Retaining Walls
  • [ July 17, 2022 ] Tsunami Impacts from a Seattle Fault Earthquake Geologic Hazards
  • [ July 17, 2022 ] Laboratory Overview of Norwegian Geotechnical Institute Available Resources
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HomeResourcesLinksHatch Mott MacDonald

Hatch Mott MacDonald

June 23, 2017 rockman Links, Resources Comments Off on Hatch Mott MacDonald

A full service engineering firm with much experience in tunneling.

Visit Hatch Mott MacDonald

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Geophysical Survey Systems

June 23, 2017 rockman Links, Resources Comments Off on Geophysical Survey Systems

Geophysical Survey Systems, Inc. (GSSI), is the world leader in the development and manufacture of commercial ground penetrating radar (GPR) systems and electromagnetic induction instruments (EM). Visit Geophysical Survey Systems

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Shaft Drillers International

June 23, 2017 rockman Links, Resources Comments Off on Shaft Drillers International

Shaft Drillers International delivers both ground modification solutions and mechanically excavated shafts. Experience is the hallmark of SDI. Each project benefits from more than 30 years of dedication and service in the fields of ground […]

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Infographic on measures used by STP to remove the steel well casing blocking the Bertha TBM
Project Related

Attempting to Remove the Pipe Blocking Bertha

January 14, 2014 rockman Project Related Comments Off on Attempting to Remove the Pipe Blocking Bertha

The Seattle Tunnel Partners JV is attempting to remove the rest of an 8 inch diameter steel well casing that has been blocking the Bertha tunnel boring machine since December 8, 2013. The upper 55 […]

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