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HomeNewsGeologic HazardsLarge Sinkhole Opens Near Denver City, Texas

Large Sinkhole Opens Near Denver City, Texas

July 31, 2009 rockman Geologic Hazards Comments Off on Large Sinkhole Opens Near Denver City, Texas
Sinkhole near Denver City, Texas July 2009

 

 

 

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Miscellaneous

Video: Low-Tech Pile Driving Option

June 5, 2014 rockman Miscellaneous 2

I know this video made the rounds by email and on Geoengineer a while back, but I haven’t posted it here. It shows a novel way of installing piles in softer soil. Those guys have […]

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Redi-Rock retaining walls look fantastic in residential development applications
Available Resources

Video: New Redi-Rock Design Resource Manual Available

March 7, 2016 rockman Available Resources Comments Off on Video: New Redi-Rock Design Resource Manual Available

The Redi-Rock Design Resource Manual or DRM has everything you would need to design a Redi-Rock retaining wall, including block sizes, design charts, construction details, and setback options.  The manual also includes case studies and […]

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Sinkhole in Karst Topography being used as a drainage structure
Journal Article Reviews

Mitigation of Karst and Sinkholes for New Hospital Structure

November 24, 2008 rockman Journal Article Reviews Comments Off on Mitigation of Karst and Sinkholes for New Hospital Structure

Sinkhole in Karst Topography being used as a drainage structureThe site for the new Harrison County Hospital, approximately 25-miles west of Louisville, Kentucky had 15 sinkholes formed by limestone dissolution, a geomorphologic process referred to as Karst topography.  There were a number of geotechnical engineering and geological engineering challenges associated with the characterization, excavation, backfilling, foundation engineering and other mitigation measures as described by Peggy Hagerty Duffy, P.E. in her article entitled “Karst and Complications” in the August 2008 issue of Civil Engineering Magazine (Duffy, 2008b).

Mitigation measures for the sinkholes included use of graded filters with geotextiles, careful inspection of rock socket foundations along with pilot holes and careful geotechnical inspection throughout the construction process. One particularly interesting aspect of the project is that several of the sinkholes were used as drainage facilities to receive surface water runoff. Read on for a summary of this interesting article. (Photo of sinkhole in Karst Topography being used as a drainage feature, from Duffy (2008b), Civil Engineering Magazine)

[…]

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