Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Deformation of a Beam under Transverse Loading01:15

Deformation of a Beam under Transverse Loading

292
Understanding beam deflection, particularly for indeterminate beams with overhanging segments and multiple concentrated loads, is crucial for ensuring structural integrity and functionality. The process begins with constructing an accurate free-body diagram, which helps identify the forces and moments acting on the beam. This diagram is vital for visualizing how bending moments vary along the beam's length, influencing its curvature.
The insights from the bending moment diagram extend to...
292
Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

120
Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
120
Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

232
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
232
Bending of Members Made of Several Materials01:08

Bending of Members Made of Several Materials

149
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
149
Elastic Curve from the Load Distribution01:16

Elastic Curve from the Load Distribution

177
The structural behavior of beams under distributed loads is critical for engineering analysis, which focuses on predicting how beams bend and react under such conditions. Different types of beams (e.g., cantilever, supported, or overhanging) behave differently under distributed load conditions.
For all beams, the analysis of the beam's reaction to distributed loads begins by understanding the relationship between a beam's load and the resulting shear forces and bending moments.
177
Bending of Curved Members - Strain Analysis01:14

Bending of Curved Members - Strain Analysis

136
The mechanics of deformation in curved members, such as beams or arches, under bending moments, involve complex responses. When such a member, symmetric about the y-axis and shaped like a segment of a circle centered at point C, is subjected to equal and opposite forces, its curvature and surface lengths change significantly. This alteration results in the shift of the curvature's center from C to C', indicating a tighter curve.
The important part of bending analysis for such a member...
136

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Confinement-induced intermittent motion of a camphor-infused paper disk.

Physical review. E·2026
Same author

Run-and-tumble like motion of a camphor-infused Marangoni swimmer.

Soft matter·2025
Same author

The Effect of Relative Humidity on Creep Behavior of Cement Paste Microprism.

Materials (Basel, Switzerland)·2025
Same author

Optimal Sensor Placement for Enhanced Efficiency in Structural Health Monitoring of Medium-Rise Buildings.

Sensors (Basel, Switzerland)·2024
Same author

Inhibition of both sclerostin and DKK1 results in novel skull findings in the rat and non-human primate that is not observed with inhibition of sclerostin alone.

Bone·2023
Same author

Robust Synchronization of Ambient Vibration Time Histories Based on Phase Angle Compensations and Kernel Density Function.

Sensors (Basel, Switzerland)·2022

Related Experiment Video

Updated: Jul 3, 2025

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.2K

Detecting Multiple Damages in UHPFRC Beams through Modal Curvature Analysis.

Fahime Sokhangou1, Luca Sorelli1, Luc Chouinard2

  • 1Water and Civil Engineering Department, Laval University, Quebec City, QC G1V 0A6, Canada.

Sensors (Basel, Switzerland)
|February 10, 2024
PubMed
Summary

This study introduces an enhanced modal curvature analysis combined with wavelet transform curvature (WTC) to effectively detect distributed damage in ultra-high-performance fiber-reinforced concrete (UHPFRC) beams, outperforming traditional methods.

Keywords:
concrete beamscrackcrack detectioncurvature of mode shapesstructural health monitoringultra-high-performance fiber-reinforced concretevibration

More Related Videos

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes
06:56

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes

Published on: May 23, 2017

12.3K
Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates
07:53

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

Published on: April 27, 2019

8.3K

Related Experiment Videos

Last Updated: Jul 3, 2025

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.2K
Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes
06:56

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes

Published on: May 23, 2017

12.3K
Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates
07:53

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

Published on: April 27, 2019

8.3K

Area of Science:

  • Structural Health Monitoring
  • Materials Science
  • Civil Engineering

Background:

  • Curvature-based damage detection is established for concrete structures.
  • Limited research exists on identifying distributed damage in multiple zones.
  • Ultra-high-performance fiber-reinforced concrete (UHPFRC) is a novel material with exceptional properties.

Purpose of the Study:

  • To apply an enhanced modal curvature analysis combined with wavelet transform curvature (WTC) for damage detection in UHPFRC beams.
  • To identify and highlight distributed damage zones in UHPFRC structural elements.
  • To evaluate the effectiveness of the enhanced method compared to traditional damage index (DI) methods.

Main Methods:

  • Casting and controlled damage induction (sawing) in UHPFRC beams.
  • Experimental modal analysis using accelerometers and operational modal analysis.
  • Finite element model (FEM) simulation for comparative analysis.
  • Calculation of modal curvature using cubic spline interpolation.
  • Application of damage index (DI) and WTC methods for damage identification.

Main Results:

  • The enhanced modal curvature WTC method successfully identified damaged zones in UHPFRC beams.
  • The WTC method demonstrated superior performance in highlighting damage compared to the DI method.
  • Both experimental and FEM data confirmed the effectiveness of the developed method.

Conclusions:

  • The coupled modal curvature WTC method is effective for identifying distributed damage in UHPFRC beams.
  • This enhanced technique offers improved accuracy for structural health monitoring of UHPFRC structures.
  • The study validates the potential of advanced signal processing techniques for advanced construction materials.