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From Trash to Major Interstate Repair
Foamed Glass Aggregate (FGA) has been used as backfill in numerous projects, primarily where the soil underneath is soft and compressible and cannot support too much excess weight, such as an overnight parking apron for airplanes at Philadelphia International Airport.
In fact, it is so effective that it was being used to build up the damaged section of the Cottman Avenue exit ramp on the I-95 interstate on the outskirts of Philadelphia, which collapsed following a tanker truck fire in June this year. A staggering 215,000 cubic feet FGA was used to support a temporary, six-lane highway while contractors rebuild the actual bridge.
The material is ideal for this project as it only weighs around one sixth of regular soil due to it being full of air bubbles. In the case of I-95, this will help protect the ageing sewage lines running underneath the structure as they simply couldn’t withstand the weight of another 20ft of traditional soil material.
Tinius Olsen have been heavily involved with the development of FGA in the States, supporting Aero Aggregates with all the testing requirements to ascertain both the bulk density and compressive strength of the product.
Find out more about this exciting use of waste glass products that can benefit the engineering sector instead of ending up as landfill by following the link....
https://www.tiniusolsen.com/from-trash-to-major-interstate-repair/
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