CE 414: Prestressed Concrete Lecture 1

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Transcript of CE 414: Prestressed Concrete Lecture 1

CE 414: Prestressed Concrete

Lecture 4

Prestress loss

Course Instructor: Saurav Barua

Assistant Professor, Department of Civil

Engineering, DIU

Email: saurav.ce@diu.edu.bd

Phone: 01715334075

Contents

Significance of prestress loss

Elastic shortening

Friction loss, relaxation of steel

Loss due to anchorage take up

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