Stem wall rebar.

Stem wall rebar.

February 7, 2001 – The initial layer of concrete is applied and horizontal and vertical rebar is put in place. The depth gauges show the potential thickness of the dome wall.

Image by David Collins

Sourced from Monolithic Commons

Posted to Italy High School Gymnasium Construction Photo Journal

CC BY-SA 4.0

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Image by David Collins from Monolithic Commons via Monolithic Dome Institute (CC BY-SA 4.0)