Prestressing, by the introduction of steel bars or cables under high tension into liquid concrete, has revolutionised concrete construction. Shows the difference between pre-tensioning and post-tensioning, and production techniques in the factory and on the site.
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How to watch
Collection
In ACMI's collection
Credits
Collection metadata
ACMI Identifier
321853
Language
English
Subject categories
Agriculture, Business, Commerce & Industry → Building materials
Agriculture, Business, Commerce & Industry → Concrete
Agriculture, Business, Commerce & Industry → Construction industry
Educational & Instructional → Educational films
Sound/audio
Sound
Colour
Colour
Holdings
16mm film; Access Print (Section 1)