John S. Horvath

John S. Horvath
John S. Horvath Consulting Engineer

Doctor of Philosophy


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John S. Horvath, Ph.D., P.E., Life Member.ASCE is a civil engineer specializing in geotechnical & foundation engineering. He has been in professional practice since 1972 & is currently the Principal of the firm John S. Horvath Consulting Engineer which is located in the New York City metropolitan area. Dr. Horvath's recent research involves tapered piles; subgrade modeling & models; the use of cellular geosynthetics (geofoam) to reduce lateral earth pressures on all types of earth-retaining structures as well as vertical earth pressures on underground conduits & structural slabs built over expansive soil & rock; & flexible earth-retaining structures, especially cantilevered & anchored bulkheads. His next scholarly monograph on tapered piles is due out in late 2019.
Additional affiliations
August 1987 - August 2014
Manhattan College
  • Professor
  • Primarily taught undergraduate and graduate (Master-level) courses in geotechnical and foundation engineering as well as an undergraduate course in engineering geology. Conducted research in several theme areas.
September 1980 - May 1987
Columbia University
  • Professor (Associate)
  • Primarily taught graduate-level courses in geotechnical and foundation engineering.


Cited By


Projects (10)
Archived project
The focus of this project was the use of EPS-block geofoam as a lightweight-fill material for embankment construction and slope stabilization. There were also miscellaneous secondary interests that were unrelated to this that were based on Dr. Horvath's experiences in geotechnical engineering practice.
Archived project
The primary focus of this project was the use of the compressible-inclusion and lightweight-fill functions of geofoam to reduce lateral pressures on a wide variety of RERSs under gravity and seismic loads. This work culminated with the publication of Dr. Horvath's scholarly monograph titled "Lateral Pressure Reduction on Rigid Earth-Retaining Structures Using Geofoam" in 2018. There were also several other aspects of RERS behavior unrelated to geofoams that Dr. Horvath researched over the years that were based on applications and problems he encountered in practice.
Archived project
This project is devoted to exploring aspects of the behavior of cantilever and anchored sheet-pile walls that have, in general, not been considered or explored to date. Although several white papers on a variety of subjects have already been published by Dr. Horvath, there are plans to publish a scholarly monograph on the subject as early as 2020.