Validated thermal model for bacterial survival in fire-resistant self-healing concrete

Ajitanshu Vedrtnam, Kishor Kalauni, M. T. Palou · Springer Science and Business Media LLC · 2025

A validated thermal model predicts bacterial survival in fire-resistant self-healing concrete, enhancing infrastructure longevity.

High AI ConfidenceStrong SourceLaboratory ResearchEarly Research

Plain English summary

This study presents a thermal model that estimates how long bacteria can survive in self-healing concrete when exposed to fire. The model is validated with experimental data and shows that certain encapsulation methods can significantly prolong bacterial survival at high temperatures.

Why this matters

Understanding bacterial survival in self-healing concrete is crucial for maintaining infrastructure integrity, especially in fire-prone environments. This research can lead to improved construction materials that autonomously repair damage, ultimately extending the lifespan of buildings and roads.

Key findings

  • Validated a heat transfer model for bacterial survival in fire-resistant self-healing concrete.
  • Carbon fiber-cement paste encapsulation allows bacteria to survive nearly 20 hours at 200 °C.
  • Gelatin-based encapsulations fail to protect bacteria beyond 200 °C.
  • Encapsulation thickness significantly influences bacterial survival.
  • The model provides a predictive basis for evaluating microbial survival in self-healing concrete.

What's new

Introduces a validated model for predicting bacterial survival under fire conditions in self-healing concrete.

Limitations

The abstract does not discuss the practical implementation of the findings or the long-term effects of bacterial activity post-fire.

Commercial context

The research is still in the laboratory phase and does not indicate commercial availability.

Publication

Publisher
Springer Science and Business Media LLC
Publication date
August 1, 2025
Research type
Paper
License
https://creativecommons.org/licenses/by/4.0

Tags

More on Self-Healing Materials

See all →
Self-Healing Materialspaper· Jun 28, 2026

Cold sintering as an enabler for self-healing ceramics: A perspective on sustainable, damage-tolerant materials

A perspective argues that cold sintering can enable self-healing ceramic architectures and even in-field repair, potentially reducing energy-intensive processing while improving damage tolerance.

Kaveh Rahimi Mamaghani, Nader Parvin · SAGE PublicationsConcept
Self-Healing Materialspaper· Jun 9, 2026

Performance of Autogenous and Autonomous Self-Healing Concrete

This study analyzes autogenous and autonomous self-healing concrete methods, highlighting their effectiveness, costs, and environmental impacts.

Alireza Bahrami, Ramtin Shirkhodaee +1 · MDPI AGUnknown
Self-Healing Materialspaper· May 31, 2026

Emerging Self-Healing Concrete Systems: Improving the Durability and Damage Resistance of Reinforced Concrete through Self-Healing Systems

Self-healing concrete systems can enhance durability and sustainability in construction by autonomously repairing cracks.

Firda Herlina, Yuli Panca Asmara +4 · Seventh Sense Research Group JournalsLaboratory Research
Self-Healing Materialspaper· May 14, 2026

Self-healing 2D material composites for intelligent smart bandages: Multiphysics simulation and AI-enabled wound assessment

A study on self-healing 2D material composite bandages, combining multiphysics simulation with AI-enabled wound assessment.

Gayatri Padole, Pravin B. Pokle · Springer Science and Business Media LLCSimulation
Self-Healing Materialsarticle· Apr 1, 2026

Industrial Testing of Asphalt Concrete Modified by Capsules for Self-Healing

This study demonstrates the effectiveness of AR-polymer capsules in enhancing the self-healing properties of asphalt concrete.

S.S. Inozemtcev, H.T. Le +1 · StroymaterialyField testing
Self-Healing Materialspaper· Mar 30, 2026

Self-Healing Concrete Incorporating Bacterial Spores for Sustainable Infrastructure Development

Self-healing concrete incorporating bacterial spores shows significant potential for enhancing durability and sustainability in infrastructure.

Tekram Nishad, Dinesh Kumar Sahu · International Academic Institute for Science and TechnologyLaboratory Research
Method note: Summaries and ratings on this page are generated by AI from the abstract only. Read the original paper for full context. · Model: gpt-4o-mini-2024-07-18