Retaining Wall Failure - San Antonio TX

Retaining Wall Failure in San Antonio, Texas

This past Sunday (January 24, 2010) a large retaining wall failed in a San Antonio, Texas subdivision.   Initially 80 homes were evacuated when crevices up to 15 feet deep appeared after the 1000-foot long retaining wall failed.      READ MORE .....

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Rock Anchors and Moving Mountains

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PDF showing rock anchors for Costco, St. John's, NB, Canada
 What began as simply "moving a mountain" quickly became an engineering challenge.  The task: find a safe way to quickly and safely anchor the bottom of a 7-meter high retaining wall from falling off a 10-meter high cliff onto the heavily-travelled roadway below!  Canada, here we come!

Because excavating solid bedrock in New Brunswick, Canada, was prohibitively expensive, we assisted the design engineer in developing rock anchors for the lowest region of the MSE retaining wall on the top of a rock outcrop.                 READ MORE ...

Retaining Wall with No Stone Drainage Column?

This video shows an innovative design of a monster retaining wall with no stone drainage column.

Reinforced Soil Slope at Lowes

This video discusses the innovative design of a 44-foot high geogrid Reinforced Soil Slope with a concrete face at Lowe's Home Improvement that used some lime-treated lean clay soils within the geogrid zone.

Monster Walls Keystone Century

This monster retaining wall video discusses the use of Keystone Century blocks and Strata Grid in a 37 feet high wall that needed to withstand loads from parking structures and have ramp accessibility.