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

Behavior of Concrete Under Compressive Load01:23

Behavior of Concrete Under Compressive Load

161
Concrete exhibits specific behaviors under different compressive loads. Understanding this is crucial for understanding its structural integrity. When concrete undergoes uniaxial compression, it tends to develop cracks that run parallel to the direction of the force. These parallel cracks stem from localized tensile stresses that occur perpendicular to the compression direction. Additionally, angled cracks may appear due to the formation of shear planes.
As the concrete specimen fractures under...
161
Eccentric Loading01:16

Eccentric Loading

358
Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under...
358
Mechanical Characteristics of Steel01:18

Mechanical Characteristics of Steel

570
The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
570
Fatigue01:21

Fatigue

181
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
181
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

264
Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
264
Eccentric Axial Loading in a Plane of Symmetry01:16

Eccentric Axial Loading in a Plane of Symmetry

189
Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
189

You might also read

Related Articles

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

Sort by
Same author

Effect of Fluoroscopy-Only Versus Transesophageal Echocardiography/Intracardiac Echocardiography Guidance in Left Atrial Appendage Occlusion on Stroke Prevention: Analysis From the RECORD I Study.

Journal of the American Heart Association·2026
Same author

Interpenetrating carboxymethyl cellulose-hydroxyethyl cellulose hydrogel for graphite tailings solidification: Adsorption-assisted pore sealing.

International journal of biological macromolecules·2026
Same author

Three-year clinical outcomes of left atrial appendage occlusion with or without ablation: insight from the RECORD study.

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology·2026
Same author

Three-year clinical outcomes of transcatheter left atrial appendage occlusion.

Chinese medical journal·2025
Same author

Synergistic effect of dual-enzyme-induced carbonate precipitation and modified plant fibers on the bio-cementation of graphite tailings.

International journal of biological macromolecules·2025
Same author

Enhancement on durability of cohesive soil by solidifying with modified guar gum.

International journal of biological macromolecules·2025

Related Experiment Video

Updated: Jun 27, 2025

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
10:27

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

8.7K

Study on the mesomechanical behavior and damage process of coal samples with hole defects under eccentric loading.

Lina Ge1,2, Fu Yi2, Tao Wang3

  • 1School of Vehicle and Transportation Engineering, Taiyuan University of Science and Technology, Taiyuan, China.

Plos One
|May 2, 2024
PubMed
Summary

Eccentric loads significantly impact coal pillar stability, reducing peak stress and crack initiation. The location of defects relative to the load area dictates macroscopic crack patterns during mining.

More Related Videos

A Virtual Simulation Experiment of Mechanics: Material Deformation and Failure Based on Scanning Electron Microscopy
06:54

A Virtual Simulation Experiment of Mechanics: Material Deformation and Failure Based on Scanning Electron Microscopy

Published on: January 20, 2023

2.2K
A Novel Method for In Situ Electromechanical Characterization of Nanoscale Specimens
07:15

A Novel Method for In Situ Electromechanical Characterization of Nanoscale Specimens

Published on: June 2, 2017

9.2K

Related Experiment Videos

Last Updated: Jun 27, 2025

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
10:27

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

8.7K
A Virtual Simulation Experiment of Mechanics: Material Deformation and Failure Based on Scanning Electron Microscopy
06:54

A Virtual Simulation Experiment of Mechanics: Material Deformation and Failure Based on Scanning Electron Microscopy

Published on: January 20, 2023

2.2K
A Novel Method for In Situ Electromechanical Characterization of Nanoscale Specimens
07:15

A Novel Method for In Situ Electromechanical Characterization of Nanoscale Specimens

Published on: June 2, 2017

9.2K

Area of Science:

  • Mining Engineering
  • Rock Mechanics
  • Geotechnical Engineering

Background:

  • Coal pillar stability is crucial for overlying rock slope integrity during resource recovery.
  • Eccentric loads, due to overlying rock weight, affect coal pillar design and stability.
  • Understanding crack evolution under eccentric loading is vital for safe mining practices.

Purpose of the Study:

  • To investigate the effect of eccentric loads on coal samples with hole defects.
  • To analyze the relationship between load eccentricity and mechanical properties of coal.
  • To characterize the crack initiation and propagation stages under eccentric compression.

Main Methods:

  • Utilized PFC discrete element software for numerical simulations.
  • Performed uniaxial compression tests on coal samples with varying hole defect positions.
  • Calibrated micro-mechanical parameters to simulate realistic coal behavior.

Main Results:

  • Peak stress, cracking stress, and dilatancy stress decreased linearly with increasing load eccentricity.
  • Micro-crack evolution exhibited four distinct stages: initiation, stable propagation, unstable propagation, and post-failure.
  • Macroscopic crack distribution was influenced by the interplay between hole defect location and loading area.

Conclusions:

  • Load eccentricity significantly weakens coal samples, with stress reduction following a linear trend.
  • The presence and location of hole defects critically influence crack propagation patterns under eccentric loads.
  • Mining designs must account for eccentric loading and defect locations to ensure coal pillar stability.