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HomeNewsAvailable ResourcesRepair of Earthquake Damaged Concrete Bridge Piers with PileMedic

Repair of Earthquake Damaged Concrete Bridge Piers with PileMedic

April 22, 2014 rockman Available Resources Comments Off on Repair of Earthquake Damaged Concrete Bridge Piers with PileMedic

[Source: YouTube. Image: YouTube]

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  • column repair
  • pile medic
  • seismic
Jean-Louis BriaudPrevious

Two Geoprofessional Among 2014 Recipients of Grade of Distinguished Member of ASCE

Bertha repair plan calls for excavating a shaft in front of the TBM.Next

Bertha TBM Won’t Resume Drilling Until March 2015

Related Articles

Project Related

710 Tunnel Study Geotechnical Investigation Begins

January 7, 2009 rockman Project Related Comments Off on 710 Tunnel Study Geotechnical Investigation Begins

Geotechnical drilling was set to begin yesterday on the 710 Tunnel Technical Study in the L.A. area. Currently the 710 freeway ends along the city of Los Angeles-Alhambra boundary but was intended to run north […]

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Project Related

The Claremont Tunnel – Designed to Survive Fault Rupture on the Hayward Fault

June 24, 2008 rockman Project Related Comments Off on The Claremont Tunnel – Designed to Survive Fault Rupture on the Hayward Fault

The Claremont tunnel beneath the Berkeley Hills on the east side of Oakland is a water supply tunnel that serves over 800,000 customers in Richmond, Oakland, San Leandro and neighboring communities. One of the unique things about the tunnel is that it crosses the active Hayward Fault. Most of the time when you talk about designing for earthquakes you’re talking about designing to withstand the seismic forces. In this case, the designers needed the water transmission tunnel to withstand up to 7.5-ft of offset due to fault slip and still maintain a minimum level of service. (Photo credit: Sue Bednarz, Jacobs Associates, Inc. by way of Civil Engineering Magazine)

This post describes the relatively recent Claremont Tunnel Seismic Upgrade Project as reported in Civil Engineering Magazine (May 2008, v. 78, no. 5, pp 58-63, 96-97).

[…]

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Two-fold failure event evident in the seismic data
Geologic Hazards

Oso landslide: differences of opinion about the landslide mechanisms

July 31, 2014 rockman Geologic Hazards Comments Off on Oso landslide: differences of opinion about the landslide mechanisms

Professor Petley, the author of the Landslide Blog, has an interesting discussion about a controversy in the geoengineering / geology community regarding the Oso landslide in Washington State. The Geotechnical Engineering Extreme Events Reconaissance (or […]

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