The Measurement of Structural Deflections

by Richard D. Marshall, Natl Inst of Standards &, Technology, United States,

Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing


A basic parameter to be determined when assessing the performance of structures is the stiffness. This involves the measurement of static and/or dynamic deflections at representative locations on the structure and the measurement or estimation of the associated loads. Techniques and instrumentation in current use for the measurement of structural deflections are examined and special problems encountered with tall structures or structures with long spans are described.

Subject Headings: Structural deflection | Structural analysis | Stiffening | Probe instruments | Bridge towers | Vibration | Span bridges

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