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Retaining Walls Supported in Sliding Soils – How to Prevent a Failure
Global Stability includes the stability of the soils BELOW the retaining wall. If the foundation soils are sliding on a sloping surface of bedrock, then the retaining wall could begin to slide downhill! This 2-minute video shows two ways to prevent this type of global stability failure. Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
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Strata Systems Geogrid Video
Some excellent animations in this video on the layering that occurs during construction of a reinforced soil wall! Author: Strata Systems, Inc. www.geogrid.com
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States of P.E. Registration
[simplemap] Kowalski Engineering, Inc. is a registered Engineering Corporation only in the State of Ohio. Joseph W. Kowalski, P.E. is a Registered Professional Engineer in: OH, KY, IN, SC, WI, MI, MD, GA, AL, NC, TX, CT, ID, OR, PA, CO, TN, HI, OK, VA, WA, NY *This list is current as of September 3, 2014. Contact us to confirm registration in these or additional states.
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Retaining Walls – Fence Required at Top?
Most building codes require a handrail or a fence if a wall is about 4 feet or higher. So, what’s the best way to get your fence constructed without damaging the blocks or the geogrids? FOLLOW THIS LINK FOR PROJECT PHOTOS Joseph Kowalski, P.E. www.RetainingWallExpert.com Current State PE Registrations
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Retaining Wall Base Course Installation
To have a level, attractive, well-built MSE wall (block retaining wall) the first course of wall blocks MUST be perfect. The first course must be straight and level, both side-to-side and front-to-back. Any errors in the base course become amplified as the wall is built up. For the leveling course, you need to use a well graded stone that is compacted in place. After compaction, each block should be carefully installed making sure that it is level and it is […]
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Terms of Use
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Retaining Walls with Vegetated Face
This is a 30-foot high, 1200-foot long, 45-degree slope that has a vegetated face, constructed in 1999. It is now heavily vegetated. The slope was constructed as part of the Rookwood Commons shopping center in Norwood, Ohio. Lean clay fill was used as the infill material, which was possible because the slope was battered back at 45 degrees. A soil laboratory testing program was performed to pre-qualify the soil used. Field monitoring included piezometers, inclinometers, settlement plates and nuclear density […]