Experimental and numerical study on post-fire self-healing concrete for enhanced durability.

ABSTRACT: Fire hazards pose significant risks to civil infrastructure, leading to concrete degradation. This study explores the development of post-fire self-healing concrete incorporating encapsulated or immobilized bacteria to restore structural integrity after fire exposure. Key challenges addressed include protecting bacteria during fire exposure and activating them post-fire. Innovative encapsulation techniques were developed to shield bacteria within concrete samples during fires, enabling their activation afterward to enhance structural strength. A finite element model simulated the time-temperature profile within the concrete and cement-based composites, replicating experimental conditions. Concrete samples underwent customized ISO 834 standard testing for a shorter period, open fire tests,

SUBMITTER: Vedrtnam A 

PROVIDER: S-EPMC11928560 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature