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Thu, Nov 04



Regarding Ground Glass Pozzolans

Learn how recycled glass can be incorporated into project specifications to make concrete a more sustainable material on your next project.

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Regarding Ground Glass Pozzolans
Regarding Ground Glass Pozzolans

Time & Location

Nov 04, 2021, 1:00 PM – 2:00 PM


About the Event

In the wide world of concrete, pozzolans are essential to making stronger and more durable mixes. Unfortunately, most ready-mix sources use fly ash, a byproduct from coal-burning power plants. Furthermore, the concrete itself has a large carbon footprint due to the extractive needs of its constituent materials!

Landscape architects can (and should) think about alternatives to this problem. Reclaimed glass and ceramics can be used as pozzolans, and the resulting mix concrete mix will have a significantly lower environmental footprint.


Patrick Grasso is a senior partner at Urban Mining Industries. Patrick and his partners are producing Pozzotive®, a sustainable building material derived from post-consumer waste glass. Used as a cement replacement, Pozzotive can reduce the carbon footprint of concrete by up to 40% while providing a large-scale solution to the ongoing challenges that waste glass creates in our recycling stream. Patrick is responsible for ongoing strategic planning, national site selection, capital market efforts and the coordination of major relationships within the glass recycling industry, developer community and various government agencies.


1. Attendees will learn what is a pozzolan, their importance in making concrete stronger and more durable, and drawbacks with using coal fly ash.

2. Attendees will learn about ground glass pozzolans (GGPs), their performance in concrete and new ASTM standard for the use of GGPs in concrete.

3. Attendees will understand benefits of recycling glass into GGPs to the recycling, concrete/cement and pozzolan industries.

4. Attendees will learn how GGPs dramatically reduce the carbon footprint and increase the sustainability of concrete as a material choice.

This program has been approved by LA CES for 1.0 hours of HSW distance learning suitable for landscape architects.

Course Code: 062421

Provider: CT Chapter of ASLA


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