Hetherington Engineering, Inc Hetherington Engineering, Inc
Hetherington Engineering, Inc Hetherington Engineering, Inc




Landslide at Arroyo Avenue in Oceanside, California.  The landslide destroyed six residences and endangered others as well as compromising the street and utility services to the rest of the neighborhood. Temporary stabilization of the adjacent residences and permanent repair of the slope were required.  The adjacent residences were temporarily stabilized with drilled piers and tieback anchors, and the slope was permanently repaired by removal of the landslide debris and construction of a buttress fill.  Geotechnical services included monitoring of landslide movement, analysis of temporary and permanent repairs, and geotechnical testing and obsevation during the implementation of the repairs.

Click on the images below to see larger picture.
Residence Damage due to Soil Movement Landslide Repair Slope Repair
Residences Destroyed
Temporary Stabilization of Adjacent Residences and Buttress Fill Construction
Repaired Slope


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