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September 5, 2026Scientific ReportsOpen Access

Structural performance assessment of high-strength concrete beams using terrestrial laser scanning and finite element analysis

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Authors

ASAhmed E. SedawyASAshraf G. ShehataABAshraf A. A. Beshr

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Overview

Experimental study reveals accurate non-contact deflection mapping in high-strength concrete beams, suggesting terrestrial laser scanning effectively validates structural simulations.

Key Points

  • To evaluate the capability of terrestrial laser scanning as a non-contact technique for measuring deflection and validating numerical models of high-strength concrete beams under static loading.
  • Tested reinforced high-strength concrete beams under static four-point bending up to an ultimate load of 230 kN.
  • Measured beam deflection using terrestrial laser scanning alongside conventional dial gauges and total station instruments.
  • Compared experimental deflection data with analytical calculations and numerical finite element simulations in ABAQUS and ANSYS.
  • At the ultimate load of 230 kN, terrestrial laser scanning measured a mid-span deflection of 26.0 mm, aligning with the 26.3 mm recorded by the dial gauge.
  • Finite element analysis predicted mid-span deflections of 26.1 mm using ABAQUS and 21.8 mm using ANSYS at the ultimate load.
  • Terrestrial laser scanning provided rapid, full-field deformation mapping without physical contact, successfully validating numerical structural models.

Cite This Study

Sedawy et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd4346b95aff0620ebbb2https://doi.org/10.1038/s41598-026-68044-1
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