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I-CORP

I-CORP INTERNATIONAL is a completely independent international geosynthetic materials performance consulting and testing company. Dr Ian D. Peggs, President, is a materials scientist/engineer with over 25 years experience working with engineering plastics; welding, durability, stress cracking, nondestructive testing, microstructure, residual stress, leak surveys, failure analyses, and expert witness work. I-CORP has clients in over 40 countries. We help resolve materials performance problems.

Graphene and the Next Generation of Geosynthetics

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By Ian D. Peggs – Geosynthetic materials and products continue their steady development, as additive packages and manufacturing technologies evolve. Today, however, is...

SURVEY: Extra-Wide Geomembranes

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I-CORP International’s Dr. Ian D. Peggs, P.E., P.Eng has shared a survey on extra-wide geomembranes. Your participation is invited. Responses are sought...

Geoelectric Liner Survey Equipment and Expertise in Australia

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After performing geoelectric liner leak location and integrity surveys worldwide since about 1985 and teaching others how to do so since 2004,...
Slideshow of Whales - Geomembranes

A Primer for Preventing HDPE Geomembrane Whales

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By Ian D. Peggs, Ph.D., P.E., P.Eng  – There continue to be failures of HDPE geomembrane lining systems in waste water treatment plant (WWTP)...
Anaerobic Digester Designs: Critical Issues to Avoid Whales

Avoiding Whales in Anaerobic Digesters

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By Ian D. Peggs – In 2014, shortly after being placed in service, one of two geomembrane-lined and covered anaerobic digesters generated extensive whales—“bubbles” in...
Ian Peggs, Australia

10 Geomembrane Questions

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Questioning the practice of engineering has long been part of the geosynthetics field. It is this on-going dialogue and re-evaluation that leads to new...
I-CORP International - 25 Years of Consulting in Geosynthetics

I-CORP Marks 25 Years of Geosynthetics Consulting

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By Ian D. Peggs – On 21 March 2016, I-CORP will celebrate 25 years of geosynthetics consulting, with particular emphasis on geomembranes,...

Latest article

Fouled Ballast article feature image - railroad tracks at TTCI

Estimation of Soil-Water Characteristic Curves in Fouled Ballast

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Dr. Stacey Kulesza, P.E., Robert Sherwood, and Dr. Michelle Berry, P.E. exam fouled ballast and soil-water characteristic curves, in this latest share from the...
Photo of Restaurant Interior Design with Geocells

Unique Project Showcases Interior Design with Geocells

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If you visit a geosynthetic manufacturing center, distribution warehouse, or job site, you’ll often find unique uses of the materials. Installers might use extra...
Photo of geocell in stormwater controls

Wilke Joins GeoU 2020 Stormwater Course as Instructor

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The GeoU 2020 engineering short courses event has added another world-class instructor to its line up: Markus Wilke. He joins Joel Sprague, P.E., in...
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