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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.

Photo of Ian Peggs Receiving IGS Recognition

Geosynthetica Founder Ian Peggs Retires from I-CORP

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After 40+ years of geosynthetic materials performance consulting work, Dr. Ian D. Peggs has made a strategic decision to close I-CORP INTERNATIONAL, Inc. for...

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

The Relative Sustainability Case for Geosynthetics in Roadways

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The Geosynthetic Institute opened 2019 with its White Paper 41: “Relative Sustainability (i.e., Embodied Carbon) Calculations With Respect to Applications Using Traditional Materials Versus Geosynthetics.”...
GeoAsia 7 - Taipei

GeoAsia 7 Will Focus on Hazards, Innovation, and Sustainability

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GeoAsia 7 -- the 7th Asian Regional Conference on Geosynthetics -- will be held 1 - 5 March 2021 at Taipei International Convention Center...
Sediment Retention Devices - Photo of 7351 testing

Characterizing Sediment Retention Devices with ASTM Methods

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By Joel Sprague and Jay Sprague – Sediment retention devices include silt fence, wattles, filter logs, compost socks, and various types of stormwater inlet...
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