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

266
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...
266
Maximum Deflection01:13

Maximum Deflection

456
When analyzing beams under unsymmetrical loads, such as a train moving on a bridge, it is crucial to accurately determine the points of maximum stress and deflection. The process involves identifying the maximum deflection of the beam, which may not always occur at its midpoint due to the uneven distribution of the load.
The maximum deflection occurs at a specific point, known as point O, where the tangent to the deflection curve is horizontal. To find point O, the slope of the tangent at any...
456
Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

113
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...
113
Statically Indeterminate Problem Solving01:16

Statically Indeterminate Problem Solving

369
Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
369
Deformation of Member under Multiple Loadings01:11

Deformation of Member under Multiple Loadings

159
When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
159
Temperature Dependent Deformation01:12

Temperature Dependent Deformation

143
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
143

You might also read

Related Articles

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

Sort by
Same author

GSsplat: Generalizable semantic Gaussian splatting for novel-view synthesis in 3D scenes.

Neural networks : the official journal of the International Neural Network Society·2026
Same author

Combined Islet and Kidney Xenotransplantation for Diabetic Nephropathy: Investigation of Pre-Vascularized Composite Grafts versus Sequential Islet-After-Kidney Transplantation in a Pig-to-Nonhuman Primate Model of Xenotransplantation.

Xenotransplantation·2026
Same author

Precision targeting in biliary tract cancer therapy: A geographical, target, and efficacy analysis of clinical trials.

Biochimica et biophysica acta. Reviews on cancer·2026
Same author

Neutrophil-Membrane Biomimetic Hollow Mesoporous Silica Nanoparticles for Targeted Delivery of Imperatorin to Alleviate Cerebral Ischemia-Reperfusion Injury via Nrf2/ARE/Keap1 Pathway.

International journal of nanomedicine·2026
Same author

<i>Polygonati Rhizoma</i> Attenuates Oxidative Stress-Induced Senescence in Periodontal Ligament Stem Cells.

Food science & nutrition·2026
Same author

Occurrence patterns of Myllocerinus aurolineatus (Coleoptera: Curculionidae) and histological observation of adult female tissues.

Environmental entomology·2026

Related Experiment Video

Updated: Jun 13, 2025

Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels
05:26

Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels

Published on: October 19, 2022

1.6K

Identification of hanger damage based on deflection influence matrix.

Weiwei Wang1,2, Weili Chen1,2, Hongbin Xu3,4

  • 1Department of Road and Bridge Engineering, Hebei Jiaotong Vocational and Technical College, Shijiazhuang, 050091, Hebei, China.

Heliyon
|September 16, 2024
PubMed
Summary

This study introduces a new method using deflection changes to accurately identify damaged hangers in tied-arch bridges. The deflection difference influence matrix enhances damage detection efficiency and reliability for critical infrastructure safety.

Keywords:
Damage identificationHanger damageInfluence matrixTied arch bridge

More Related Videos

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.1K
Micro/Nano-scale Strain Distribution Measurement from Sampling Moir&#233; Fringes
06:56

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

Published on: May 23, 2017

12.2K

Related Experiment Videos

Last Updated: Jun 13, 2025

Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels
05:26

Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels

Published on: October 19, 2022

1.6K
Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.1K
Micro/Nano-scale Strain Distribution Measurement from Sampling Moir&#233; Fringes
06:56

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

Published on: May 23, 2017

12.2K

Area of Science:

  • Structural Engineering
  • Civil Engineering
  • Infrastructure Monitoring

Background:

  • Tied-arch bridges are essential infrastructure but prone to hanger damage.
  • Existing damage detection methods lack accuracy and efficiency.
  • Hanger integrity is critical for tied-arch bridge safety and structural integrity.

Purpose of the Study:

  • To develop a refined, accurate, and efficient method for identifying hanger damage in tied-arch bridges.
  • To overcome the limitations of traditional damage detection techniques.
  • To enhance the precision of damage detection by analyzing deflection changes.

Main Methods:

  • Proposed the 'generalized deflection difference influence line' and 'deflection difference influence matrix'.
  • Developed a new identification index based on the deflection difference influence matrix.
  • Validated the approach on an actual tied-arch bridge using a calibrated 3D finite element model.
  • Simulated 30 different hanger-damage conditions.

Main Results:

  • The deflection difference influence matrix provides more detailed information than traditional methods.
  • The proposed method effectively identified hanger damage regardless of location.
  • Damage detectability improved with larger applied loads, enhancing identification efficiency.

Conclusions:

  • The deflection difference influence matrix offers a revolutionary approach to hanger damage identification in tied-arch bridges.
  • The method demonstrates adaptability, accuracy, and improved efficiency over existing techniques.
  • This study presents an innovative and reliable solution for tied-arch bridge hanger damage detection.