Most Extensive Research Program on NPA Geocells in World Validates its Performance

The following is partial list of the moving wheel tests, static and dynamic loading tests, numerical analyses and field trials conducted at the University of Kansas, under Professor Dr. Jie Han, et al since 2006. These studies investigated and demonstrated how Neoloy-based Geocells and their ‘beam-effect’ increase layer stiffness, soil bearing capacity, distribute vertical stresses, reduce permanent deformation, and extend road life compared to unreinforced and HDPE-geocell road bases.

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Summary of Research On Neoloy Geocell-Reinforced Base Courses


A summary of research conducted at the Univ. of Kansas on Neoloy reinforced base courses showed that Neoloy Geocells reduced... (Read more)

geocell R&D



Experimental Study of Reinforcement of Neoloy vs. HDPE-based Geocell (Pokharel, Han, et al)


Neoloy Geocells increased bearing capacity and stiffness and reduced settlement of the compacted sand base course significantly more than geocells... (Read more)

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Tests on Bearing Capacity of Neoloy-Reinforced Bases (Pokharel, Han et al, 2009)


One-fifth of pavement failures are due to insufficient structural strength – improved sustainable pavement stabilization techniques, such as Neoloy Geocells... (Read more)

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Behavior of Geocell-Reinforced Granular Bases under Static and Repeated Loads


The study of reinforced bases under static and repeated loads on a loading plate showed that the single geocell could... (Read more)

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Creep Deformation of Geocell-reinforced Recycled Asphalt Pavements (Thakur, Han et al)


Neoloy Geocells can reduce creep deformation of RAP, therefore enabling its wide-spread use. Three laboratory tests in a test box... (Read more)

Sudan-Neoloy Geocell Infill



Infill Impact on the Performance of Neoloy-reinforced Bases (Han, Pokharel, Parsons 2010)


Plate load tests demonstrated how Neoloy Geocell reinforcement significantly improved the performance of inferior quality infill materials, such as sand... (Read more)

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Accelerated Pavement Testing of Unpaved Roads with Geocell-Reinforced Sand Bases


Full-scale moving wheel test results demonstrated that Neoloy Geocells improved the stability of unpaved roads and reduced the permanent deformation... (Read more)

Roadway Design



Tough Cells – Neoloy-based geocells for Sustainable Roadway Applications, Roads and Bridges


Summary of comprehensive studies, tests, and field trials at U of Kansas demonstrating how Neoloy Geocells increases stiffness and bearing... (Read more)

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Onsite Use of Recycled Asphalt Pavement and Geocells to Reconstruct Pavements


On-site use of recycled asphalt pavement materials has obvious benefits from economic, to environmental, to sustainability points of... (Read more)

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Performance of geocell-reinforced RAP bases over weak subgrade under cyclic plate loading


The use of Neoploy Geocells to confine RAP to minimize increased or excessive permanent deformation under traffic loading was tested... (Read more)

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Research: Geocell-Reinforced Recycled Asphalt (2016)


Four cyclic plate loading tests were conducted on unreinforced and geocell-reinforced RAP bases over weak subgrade while five cyclic plate... (Read more)