Completed Concrete Structure
April 10, 2002—With the last layers of shotcrete applied, the finished structure is a one-piece, monolithic, concrete building from base to apex. The stem wall is actually a thin concrete outer wall and a thicker interior concrete wall with polyurethane foam sandwiched in between.
Image by Dave South
Sourced from Monolithic Commons
Posted to Avalon High School Gymnasium Construction Photo Journal
Licensed as CC BY-SA 4.0
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Image by Dave South via Monolithic Dome Institute (CC BY-SA 4.0)