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

Preplaced Aggregate Concrete01:29

Preplaced Aggregate Concrete

137
Preplaced aggregate concrete is ideal for construction environments that are not easily accessible. The process begins by properly wetting the gap-graded coarse aggregates to remove the dirt, then placing it in the form and compacting it. Voids are filled with a mortar mix pumped under pressure through slotted pipes. This mortar typically consists of Portland cement, pozzolan, fine aggregates, water, and a fluidizing aid. The pozzolan helps reduce bleeding and segregation while improving the...
137
Design Example: Aggregate Gradation01:24

Design Example: Aggregate Gradation

147
The right type and quality of aggregates are crucial for concrete as they significantly influence its properties, mix proportions, and cost-effectiveness. If different sources are available for sand, the commonly used fine aggregate in concrete, the selection of sand is primarily based on its gradation.
The grading, or particle-size distribution, of sand is determined using sieve analysis, with standard sizes ranging from 150 μm to 10 mm (ASTM No. 100 sieve to 3⁄8 in. sieve). Sand is...
147
Aggregate Cement Ratio01:21

Aggregate Cement Ratio

328
The Aggregate Cement ratio refers to the weight of aggregate divided by the weight of cement in a concrete mix. Altering this ratio has profound effects on the concrete's properties. This ratio plays a pivotal role in determining the strength, workability, and durability of concrete. When the Aggregate Cement ratio is higher, the mix is leaner, meaning it has less cement paste to lubricate the aggregate, potentially making the concrete less workable. Such mixes, known as lean, enhance the...
328
Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

120
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
120
Concrete01:20

Concrete

440
Concrete is a vital construction material extensively used worldwide, primarily valued for its strength, durability, and versatility, which it provides for various structural designs. Concrete generally comprises ingredients like Portland cement, coarse gravel, fine sand, and water. Concrete can be mixed by simple hand methods or industrially at computer-controlled plants. The mixture consists of aggregates and a paste made from water and Portland cement. This paste coats the aggregates and,...
440
Bonding and Strength of Aggregate01:12

Bonding and Strength of Aggregate

257
The bond between aggregate particles and the cement matrix is significantly influenced by the shape and surface texture of the aggregates. High-strength concretes benefit from a rougher texture, which leads to stronger bonding due to greater adhesion. Angular aggregates with larger surface areas also enhance this bond. The bonding quality, however, is complex to assess as no universally accepted test exists. Good bonding is indicated when a crushed concrete specimen shows some aggregate...
257

You might also read

Related Articles

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

Sort by
Same author

Non-canonical roles of Keap1/Nrf2 in regulating quiescence and early activation in adult muscle stem cells.

Nature communications·2025
Same author

Predicting the Uniaxial Compressive Strength of Cement Paste: A Theoretical and Experimental Study.

Materials (Basel, Switzerland)·2025
Same author

Construction and validation of a web-based dynamic predictive model for the risk of postoperative nausea and vomiting in patients undergoing day-case hysteroscopic surgery.

Frontiers in medicine·2025
Same author

Constitutive Modeling of Rheological Behavior of Cement Paste Based on Material Composition.

Materials (Basel, Switzerland)·2025
Same author

Optimizing Aggregate Systems Based on a Binary Paste-Aggregate Model.

Materials (Basel, Switzerland)·2025
Same author

Evaluation of urinary metabolites as biomarkers for occupational p-chloronitrobenzene exposure: a pilot study.

Scientific reports·2025
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: Sep 8, 2025

Determination of Aggregate Surface Morphology at the Interfacial Transition Zone ITZ
08:59

Determination of Aggregate Surface Morphology at the Interfacial Transition Zone ITZ

Published on: December 16, 2019

8.3K

Low-Carbon, Low-Shrinkage Concrete Design Based on Paste-Aggregate Binary Model.

Chunming Lian1,2, Xiong Zhang1, Lu Han2

  • 1Key Laboratory of Advanced Civil Engineering Materials of Education Ministry, School of Material Science and Technology, Tongji University, 4800 Cao'an Road, Shanghai 201804, China.

Materials (Basel, Switzerland)
|July 30, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces a concrete mix design method using the paste-aggregate binary framework to lower binder content. Optimal performance is achieved by controlling inter-particle spacing (SPT) and paste rheology for enhanced workability and strength.

Keywords:
concrete mix designlow-carbon concretepaste–aggregate binary modelshrinkage control

More Related Videos

Production and Analysis of Sporosarcina pasteurii Biocement Bricks Using Custom 3D-Printed Molds for Unconfined Compression Tests
05:38

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

Published on: March 7, 2025

443
Expression of Cementitious Pore Solution and the Analysis of Its Chemical Composition and Resistivity Using X-ray Fluorescence
06:27

Expression of Cementitious Pore Solution and the Analysis of Its Chemical Composition and Resistivity Using X-ray Fluorescence

Published on: September 23, 2018

9.4K

Related Experiment Videos

Last Updated: Sep 8, 2025

Determination of Aggregate Surface Morphology at the Interfacial Transition Zone ITZ
08:59

Determination of Aggregate Surface Morphology at the Interfacial Transition Zone ITZ

Published on: December 16, 2019

8.3K
Production and Analysis of Sporosarcina pasteurii Biocement Bricks Using Custom 3D-Printed Molds for Unconfined Compression Tests
05:38

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

Published on: March 7, 2025

443
Expression of Cementitious Pore Solution and the Analysis of Its Chemical Composition and Resistivity Using X-ray Fluorescence
06:27

Expression of Cementitious Pore Solution and the Analysis of Its Chemical Composition and Resistivity Using X-ray Fluorescence

Published on: September 23, 2018

9.4K

Area of Science:

  • Civil Engineering
  • Materials Science
  • Rheology

Background:

  • Traditional concrete mix design often involves empirical methods.
  • Optimizing concrete performance requires understanding the interplay between paste and aggregate properties.
  • Reducing binder content is crucial for sustainability and lowering carbon footprint.

Purpose of the Study:

  • To develop a performance-based concrete mix design methodology using the paste-aggregate binary framework.
  • To establish relationships between inter-particle spacing (SPT), paste rheology, and fresh concrete properties.
  • To create a predictive model for concrete strength based on paste characteristics.

Main Methods:

  • Utilized the paste-aggregate binary framework for mix design.
  • Investigated the influence of inter-particle spacing (SPT) and paste rheology (yield stress, plastic viscosity) on slump and segregation resistance.
  • Developed a two-level strength model correlating paste properties (compactness, hydration) with concrete strength.

Main Results:

  • Fresh concrete behavior is governed by SPT and paste rheology, with slump nonlinearly increasing with SPT.
  • A critical transition zone for slump was observed around 20-35 µm SPT.
  • Paste yield stress dictates slump, while plastic viscosity controls segregation resistance.
  • The strength model achieved a high prediction accuracy (R² = 0.90).
  • An optimal SPT of 25 µm was identified for balancing flowability and minimizing paste volume.

Conclusions:

  • The paste-aggregate binary framework provides a physically interpretable and practical approach to concrete mix design.
  • This methodology enables the reduction of binder content, leading to sustainable, low-carbon, and low-shrinkage concrete.
  • The study successfully decouples aggregate packing optimization from paste calibration for efficient design.