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  • [ February 9, 2026 ] Underground Leak Sealing Restores Coal Terminal Operations Project Related
  • [ February 4, 2026 ] Ground investigation for civil infrastructure gets more robust with integration of lab and field geotechnical data Press Releases
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HomeAuthorsrockman

Articles by rockman

Hydraulic fracturing (fracking) wastewater injection well
Miscellaneous

Texas Regulator Clears Oil And Gas Company Of Causing Quakes

September 18, 2015 rockman Comments Off on Texas Regulator Clears Oil And Gas Company Of Causing Quakes

The Texas Railroad Commission issued preliminary findings saying that the hydraulic fracturing wastewater injection well operated by an Exxon Mobil subsidiary was not to blame for earthquakes that shook Reno, Texas in 2013 and 2014. […]

Drought resiliency grant awarded by the USBR
Available Resources

USBR Selects 23 Projects Totaling $5.2 Million to Build Drought Resiliency in Nine States

September 18, 2015 rockman Comments Off on USBR Selects 23 Projects Totaling $5.2 Million to Build Drought Resiliency in Nine States

From the USBR Press Release: Bureau of Reclamation Commissioner Estevan López has announced the selection of 23 projects to receive grants totaling $5.2 million for proactive drought planning and other efforts to build long-term drought […]

Available Resources

Site Characterization Services: Step 2 Methods Consulting

September 14, 2015 rockman Comments Off on Site Characterization Services: Step 2 Methods Consulting

The second in a series of videos by Terracon on the various steps of site characterization. If you are someone new to geotechnical engineering, these videos are a great overview of what we do! [Source: […]

Ground penetrating radar (GPR) antenna mounted on a small tractor surveying near the Stonehenge monument as part of a larger project that identified a row of 90 previously undiscovered stones less than 3 km from Stonehenge.
Geoarchaeology

GPR Used to Locate Possible ‘Superhenge’ Near Stonehenge

September 14, 2015 rockman Comments Off on GPR Used to Locate Possible ‘Superhenge’ Near Stonehenge

Archaeologists using high-resolution ground penetrating radar (GPR) have located a massive collection of stones less than 3 km from the well-known Stonehenge site. This grouping of 90 stones, up to 4.5 meters tall (14.7 feet) […]

One of the final pieces of the Bertha TBM being lowered into place
Project Related

Final three pieces of tunneling machine safely in the access pit

September 14, 2015 rockman Comments Off on Final three pieces of tunneling machine safely in the access pit

The repaired cutterhead has been in the pit several weeks now, and the final three pieces of shielding for the Bertha TBM have been lowered into the access pit. Seattle Tunnel Partners team members will […]

Bertha TBM cutterhead being lowered back into access shaft
Project Related

Tunneling machine’s front end bolted in place

August 31, 2015 rockman Comments Off on Tunneling machine’s front end bolted in place

The troubled Alaska Way Viaduct Replacement Tunnel TBM known as Bertha has reached a milestone in its repair. The front cutterhead has been repaired, and has been lowered back into the access shaft to be […]

Popped pool in Holiday, Florida
Failures

Florida Pool Pushed Out Of Ground After Heavy Rains

August 31, 2015 rockman Comments Off on Florida Pool Pushed Out Of Ground After Heavy Rains

The source website is calling this some kind of ‘reverse sinkhole’, which is definitely not the case. The article says there was a period of very heavy rain for about 11 days before this happened, […]

March 2015 Yeager Landslide and MSE Structure Failure
Failures

CRWV Airport Authority, Triad Answer Yeager Airport Landslide Complaint

August 18, 2015 rockman Comments Off on CRWV Airport Authority, Triad Answer Yeager Airport Landslide Complaint

Plaintiffs whose homes were destroyed by the Yeager Airport Landslide in March of 2015 filed a suit naming Central Regional West Virginia Airport Authority and Triad Engineering as well as several others. The CRWVAA and […]

Geotechnical centrifuge at the UC Davis Center for Geotechnical Modeling
Available Resources

A Whole Lotta Shakin’ Goin’ On: Center for Geotechnical Modeling Facilitates Seismic Research

August 18, 2015 rockman 1

How would you feel if you were subjected to 75Gs of centrifugal force? Well, at least you would know what the soil feels like in some of the cutting edge geotechnical modeling being done at […]

Available Resources

Video of DeWind One Pass Trenching MT2000 Trencher Installing Soil Bentonite Cutoff Wall

August 4, 2015 rockman Comments Off on Video of DeWind One Pass Trenching MT2000 Trencher Installing Soil Bentonite Cutoff Wall

Modified from the YouTube description: Video of a DeWind One-Pass Trencher installing a Soil-Bentonite Wall 55′ deep. This is a mix in place technology capable of installations up to 125′ feet deep. The soils are […]

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