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

Types of Cement I01:21

Types of Cement I

166
Portland cement comes in several types, each with distinct properties and applications based on their chemical composition and hydration characteristics:
Type I (Ordinary Portland Cement) is widely used for general construction where special properties are not required. It has moderate sulfate resistance and heat of hydration.
Type II (Modified Cement) offers moderate resistance to sulfate attack and a lower rate of heat development compared to Type I. It is suitable for structures in...
166
Hydration of Cement01:24

Hydration of Cement

318
Hydration of cement is a chemical reaction between cement particles and water. This process occurs primarily through two mechanisms: through-solution and topochemical. In the through-solution process, anhydrous compounds dissolve into their constituents, hydrates form in the solution, and then precipitate from the supersaturated solution. The topochemical process involves solid-state reactions at the cement particle surface. The through-solution process dominates the topochemical process at the...
318
Mass Concreting01:22

Mass Concreting

103
Mass concreting refers to the process of placing large volumes of concrete, such as in gravity dams. The heat generated during the cement hydration process and differential cooling rates within the concrete mass can lead to a temperature gradient, which can result in thermal cracks in the concrete mass.
To reduce the risk of such cracking, the concrete mix may incorporate low-heat cement and pozzolans to reduce the temperature rise. Pre-cooled angular aggregates and water-reducing admixtures...
103
Cold Weather Concreting01:27

Cold Weather Concreting

101
When freshly poured concrete is exposed to freezing temperatures before it has set, the water within the concrete can freeze. This expansion disrupts the setting process, delays chemical reactions necessary for hardening, and increases the volume of pores within the hardened concrete, which weakens its overall structure. If the concrete manages to reach an appreciable strength before it freezes, the damage can be somewhat mitigated.
To counteract the negative impacts of cold weather, ensuring...
101
Strength and Heat of Hydration01:29

Strength and Heat of Hydration

289
The hydration of cement is an exothermic reaction in which heat is generated as cement hydrates. This heat of hydration is critical to cement's strength development. The rate at which this heat is generated affects the temperature rise, with a majority of the heat being released early in the hydration process, half within the first three days, and about 75% within the first week.
The heat of hydration for each cement compound is significant; for instance, tricalcium aluminate (C3A) and...
289
Types of Cement II01:22

Types of Cement II

147
Portland blast-furnace cement is made by blending Portland cement clinker with granulated blast-furnace slag, which accounts for 25 to 65 percent of the cement's weight. Despite its similarities to ordinary Portland (Type I) cement in terms of fineness and setting times, its early strength is lower, though it achieves comparable strength later on. It's particularly suited for mass concrete structures and marine environments due to its lower heat of hydration and superior sulfate...
147

You might also read

Related Articles

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

Sort by
Same author

Assessing lightweight foamed concrete multi-property with alkaline, calcium, and iron-rich cement kiln dust variants.

Scientific reports·2026
Same author

Improving the elevated temperature behaviour of foamed concrete through nano titania addition and microstructure control.

Scientific reports·2026
Same author

Mathematical modeling and artificial neural network of textile fabric reinforced foamed concrete for enhanced composite material performance.

Scientific reports·2026
Same author

Obtaining and Characterization of New Materials, Volume V.

Materials (Basel, Switzerland)·2026
Same author

Performance optimization of ultra-lightweight foamed concrete using dimethicone-infused organosilicon compound.

Scientific reports·2026
Same author

Transforming iron ore tailings into high reactivity binders for multifunctional and eco- efficient foamed concrete.

Scientific reports·2026

Related Experiment Video

Updated: Aug 10, 2025

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
11:14

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent

Published on: February 21, 2017

12.5K

Solidification/Stabilization Technology for Radioactive Wastes Using Cement: An Appraisal.

Ismail Luhar1, Salmabanu Luhar2, Mohd Mustafa Al Bakri Abdullah3

  • 1Department of Civil Engineering, Shri Jagdishprasad Jhabarmal Tibrewala University, Rajasthan 333001, India.

Materials (Basel, Switzerland)
|February 11, 2023
PubMed
Summary

Radioactive waste immobilization using cementation is crucial for nuclear industry sustainability. This review covers cement solidification/stabilization technologies and challenges in creating durable radioactive waste forms.

Keywords:
biocharcalcium aluminate cementcalcium sulphoaluminate cementcementmagnesia-based cementradioactive wastessolidification/stabilization (S/S)supplementary cementitious materials (SCM)waste form

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

397
Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident
09:18

Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident

Published on: December 14, 2017

10.5K

Related Experiment Videos

Last Updated: Aug 10, 2025

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
11:14

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent

Published on: February 21, 2017

12.5K
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

397
Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident
09:18

Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident

Published on: December 14, 2017

10.5K

Area of Science:

  • Nuclear Engineering
  • Environmental Science
  • Materials Science

Background:

  • Nuclear fuel cycle activities generate hazardous radioactive waste requiring effective management.
  • Immobilization is key to creating durable waste forms for long-term sustainability.
  • Cementation, particularly using Portland cement, is a common method for radioactive waste solidification and stabilization.

Purpose of the Study:

  • To review cement solidification/stabilization (S/S) technologies for radioactive waste.
  • To address challenges in designing durable cementitious waste forms.
  • To present modern cement technologies for S/S, including their engineering attributes and chemistry.

Main Methods:

  • Review of existing literature on cementation technologies for radioactive waste.
  • Analysis of Portland cement (PC) and its enhancements.
  • Examination of alternative cements like calcium sulpho-aluminate and magnesium-based cements.

Main Results:

  • Cement S/S is widely used due to its structural strength, shielding effects, and cost-effectiveness.
  • Enhancements to cementation technology aim to improve mechanical properties, durability, and reduce radionuclide leaching.
  • Various cement types, including modified PC, calcium sulpho-aluminate, and magnesium-based cements, are explored for hazardous waste immobilization.

Conclusions:

  • Effective management of radioactive waste is essential for nuclear industry sustainability.
  • Cementitious materials offer promising solutions for radioactive waste immobilization, but challenges remain in optimizing durability.
  • Modern cement technologies present diverse options for enhancing the safety and long-term performance of solidified radioactive waste.