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To address the tensile weakness of reinforced concrete.
Prestressed concrete is artificially compressed to resist tensile forces.
Microcracks develop in the concrete.
It relates stress and strain in materials under elastic deformation.
It reduces deflection and allows for longer spans.
Class I, II, and III based on exposure and structural requirements.
It provides guidelines for limit state design and verification.
It allows for reduced material usage and better structural efficiency.
It requires skilled personnel for installation and tensioning.
He developed the first successful prestressing techniques in the early 20th century.