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- Title
Simplified Technique for Remote Monitoring of Deflection in Arch Structures.
- Authors
Talebinejad, I.; Fischer, C.; Ansari, F.
- Abstract
This article describes a simplified technique to measure the vertical deflection of masonry arches in the presence of horizontal movements. One-dimensional laser Doppler vibrometer was utilized to measure the vertical displacement of the arch. A flat steel plate was mounted on the top surface of the arch crown to eliminate the measurement error due to the curvature of the arch. A reflective mirror was employed to guide the emitted laser beam normal to the surface of the steel plate. Vertical displacements recorded by laser Doppler vibrometer were compared to the readings of the mechanical dial gauge.
- Subjects
CONSTRUCTION; DEFLECTION (Mechanics); DISPLACEMENT (Mechanics); REMOTE sensing; VIBRATION measurements; LASER beams
- Publication
Experimental Techniques, 2013, Vol 37, Issue 1, p68
- ISSN
0732-8818
- Publication type
Article
- DOI
10.1111/j.1747-1567.2011.00766.x