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

Effects of Creep01:25

Effects of Creep

81
Creep in concrete, the gradual deformation under prolonged stress, significantly impacts the integrity of structures. For reinforced concrete beams, it can be a vital design consideration, as it increases deflection, sometimes necessitating additional design measures. In columns, especially slender ones under eccentric loads, creep can cause buckling, compromising their stability. However, creep can be beneficial in indeterminate structures by mitigating stresses that arise from shrinkage,...
81
Behavior of Concrete Under Compressive Load01:23

Behavior of Concrete Under Compressive Load

129
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...
129
Shrinkage in Concrete01:27

Shrinkage in Concrete

67
Shrinkage in concrete is primarily due to water loss from evaporation, hydration of cement, or carbonation, leading to a reduction in volume. The volumetric contraction results in volumetric strain in concrete. However, in practice, shrinkage is measured as linear strain, which is one-third of the volumetric strain.
When concrete is still in its plastic state, it can undergo a decrease in volume by about 1% of its absolute volume. This decrease is known as plastic shrinkage. It arises either...
67
Design Example: Distributing Reinforcements in Concrete Sections01:22

Design Example: Distributing Reinforcements in Concrete Sections

71
The topic explores the practical aspects of adjusting steel reinforcements within a concrete beam section to meet specific design requirements. When designing a reinforced concrete beam, it is essential to distribute the steel reinforcements properly to ensure structural integrity and efficiency. The example provided details a scenario where a beam requires a total steel cross-section of 4 square inches. The engineer identifies that the available steel bars have a nominal diameter of 1.693...
71
Tensile Strength Considerations of Concrete01:16

Tensile Strength Considerations of Concrete

98
Considering the tensile strength of concrete involves recognizing that the theoretical strength of cement paste can be up to a thousand times higher than what is observed in practical applications. This significant discrepancy is largely attributed to the presence of microscopic cracks within the concrete. These cracks tend to amplify stress at their tips when a load is applied, a phenomenon explained by Griffith's theory of brittle fracture.
The dimensions and shape of a concrete specimen...
98
Impact Strength of Concrete01:21

Impact Strength of Concrete

157
Impact strength in concrete is a critical measure that reflects the material's capability to endure the forces applied during pile driving and when supporting machinery foundations that experience impulsive loads. It is also essential when handling precast concrete components to prevent accidental damage. The impact strength is assessed by observing the concrete's resistance to repeated impacts and energy absorption capacity. A key indicator of significant damage to concrete is when it...
157

You might also read

Related Articles

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

Sort by
Same author

Stability of Composite Plates with a Dense System of Ribs in Two Directions.

Materials (Basel, Switzerland)·2026
Same author

Evaluation of the Effect of Polyurea Coating Application on the Capacity and Deformability of Reinforced Concrete Beams.

Materials (Basel, Switzerland)·2025
Same author

Experimental Study of Mechanical Wave Propagation in Solidifying Cement-Based Composites.

Materials (Basel, Switzerland)·2024
Same author

Non-Destructive Characterization of Cured-in-Place Pipe Defects.

Materials (Basel, Switzerland)·2023
Same author

The Machine Learning Methods in Non-Destructive Testing of Dynamic Properties of Vacuum Insulated Glazing Type Composite Panels.

Materials (Basel, Switzerland)·2023
Same author

Numerical Analysis, Optimization, and Multi-Criteria Design of Vacuum Insulated Glass Composite Panels.

Materials (Basel, Switzerland)·2023
Same journal

Correction: Yang et al. Microstructural Characteristics of High-Pressure Die Casting with High Strength-Ductility Synergy Properties: A Review. <i>Materials</i> 2023, <i>16</i>, 1954.

Materials (Basel, Switzerland)·2026
Same journal

Effect of La and Ce Microalloying on the Corrosion Resistance of 0.4Sb Low-Alloy Steel in a Harsh Marine Atmospheric Environment.

Materials (Basel, Switzerland)·2026
Same journal

High-Temperature Properties of Magnesium Ammonium Phosphate Cement Modified with Gold Tailings.

Materials (Basel, Switzerland)·2026
Same journal

A Study on the Evolution of Intermetallic Phase Microstructure and High-Temperature Creep Behavior in Mg-8.0Al-1.0Nd-1.5Gd-Mn Alloys.

Materials (Basel, Switzerland)·2026
Same journal

Material-Driven Clinical Complications in Mechanical Circulatory Support: From Blood-Material Interactions to Device-Related Adverse Events.

Materials (Basel, Switzerland)·2026
Same journal

Influence of Final Irrigation on Calcium Silicate-Based Sealer Dentinal Tubular Penetration: A Systematic Review.

Materials (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: May 20, 2025

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
11:07

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior

Published on: June 27, 2018

11.0K

Second-Order Effects in Lightweight Aggregate Concrete Slender Columns.

Ewelina Kołodziejczyk1, Tomasz Waśniewski1, Vojtěch Starý2

  • 1Department of Concrete Structures, Lodz University of Technology, Politechniki 6, 93-590 Lodz, Poland.

Materials (Basel, Switzerland)
|March 27, 2025
PubMed
Summary
This summary is machine-generated.

Lightweight aggregate concrete (LWAC) columns exhibit higher displacements and lower load capacity than normal-density concrete columns due to differing elastic moduli. Accurate LWAC behavior prediction requires experimentally determined material properties.

Keywords:
LWACRC columnslightweight aggregate concretereinforced concretesecond-order effects

More Related Videos

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

1.5K
Production and Analysis of Sporosarcina pasteurii Biocement Bricks Using Custom 3D-Printed Molds for Unconfined Compression Tests
05:36

Production and Analysis of Sporosarcina pasteurii Biocement Bricks Using Custom 3D-Printed Molds for Unconfined Compression Tests

Published on: March 7, 2025

166

Related Experiment Videos

Last Updated: May 20, 2025

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
11:07

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior

Published on: June 27, 2018

11.0K
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

1.5K
Production and Analysis of Sporosarcina pasteurii Biocement Bricks Using Custom 3D-Printed Molds for Unconfined Compression Tests
05:36

Production and Analysis of Sporosarcina pasteurii Biocement Bricks Using Custom 3D-Printed Molds for Unconfined Compression Tests

Published on: March 7, 2025

166

Area of Science:

  • Civil Engineering
  • Materials Science

Background:

  • Lightweight Aggregate Concrete (LWAC) offers a potential substitute for normal-density concrete in structural applications.
  • Slender structural elements are susceptible to second-order effects, influencing their load-bearing capacity.

Purpose of the Study:

  • To analyze the behavior of slender columns made from LWAC and normal-density concrete under eccentric loading.
  • To investigate the influence of varying longitudinal reinforcement ratios on column performance.
  • To evaluate the accuracy of existing models in predicting LWAC column behavior.

Main Methods:

  • Experimental testing of slender columns (slenderness ratio λ = 74) made of LWAC and normal-density concrete under eccentric load.
  • Inclusion of elements with two longitudinal reinforcement ratios (0.9% and 2.3%).
  • Simulation of experimental results using established literature models.

Main Results:

  • LWAC columns displayed greater displacements and reduced load-bearing capacity compared to normal-density concrete columns, despite similar compressive strengths.
  • The difference in performance was attributed to the significantly lower modulus of elasticity of LWAC.
  • This performance disparity was more pronounced in columns with lower longitudinal reinforcement ratios.
  • Literature models demonstrated inaccuracies in predicting the elastic modulus and limit strain for LWAC.

Conclusions:

  • The lower elastic modulus of LWAC is a critical factor affecting the performance of slender columns.
  • Existing predictive models may not adequately capture the behavior of LWAC elements.
  • Experimental determination of LWAC's elastic modulus and limit strain is crucial for accurate structural analysis and design.