Self-healing concrete and environmental health
Authors
Abstract:
Nanotechnology will serve as a suitable solution to achieve high performance in future construction and construction. Using this new technology, creativity and innovation can be achieved in the building industry. one of these new technologies of smart concrete is that in recent years, many researches and experiments have been done in scientific research centers around the world, so that the concrete itself is recovered. This is an undeniable fact that concrete structures are prone to cracking. Natural processes caused a crack in the concrete, and through these cracks the harmful substances entered the concrete and caused the corrosion of steel corrosion. to tackle this issue in the conventional method of concrete restorative materials, especially polymers, are used which are also harmful to the environment as well. The method of substitution that scientists have achieved is to use bacteria in concrete and to produce self-healing concrete using bacteria, in addition to reducing the problems associated with the maintenance of concrete for the environment, contributing to the durability and performance of the concrete and increase the useful life of the concrete.
similar resources
Modeling of Self-Healing Concrete: A Review
Self-healing concrete (SHC) has received a tremendous attention due to its advanced ability of automatic crack detection and crack repairing compared to the standard concrete. Two main approaches which considered as to-date self-healing mechanisms are autogenous and autonomous healing. In the past several years, the effort of the research has been focused on experimental works instead of numeri...
full textSelf-healing concrete with a microencapsulated healing agent
We have developed a concrete material exhibiting self-healing properties and corrosion inhibition. This system involves a sodium silicate solution stored in polyurethane microcapsules present in the concrete matrix. The sodium silicate, released when the capsules are ruptured by propagating cracks, reacts with the calcium hydroxide in cement and produces a C-S-H gel that partially heals the cra...
full textSelf-Healing Concrete in Commercial Construction
Crack formation is common among concrete used for all different types of construction. While cracking is inevitable in concrete, it can create instabilities that can compromise an entire building’s structural integrity. New advancements are being made in the biological and engineering fields that are providing a solution to this problem. Certain bacteria and chemicals when mixed provide a react...
full textQuantification of the Service Life Extension and Environmental Benefit of Chloride Exposed Self-Healing Concrete
Formation of cracks impairs the durability of concrete elements. Corrosion inducing substances, such as chlorides, can enter the matrix through these cracks and cause steel reinforcement corrosion and concrete degradation. Self-repair of concrete cracks is an innovative technique which has been studied extensively during the past decade and which may help to increase the sustainability of concr...
full textStrength And Durabilityassessment Of Bacteria Based Self- Healing Concrete
In recent years, there is increasing interest in the phenomenon of mechanical property recovery in concrete construction using self-healing concrete. The study was motivated by the need to find a solution for the problem of cracking approaching the concept of self-healing concrete. The study was carried out on a bacteria based self-healing concrete using Bacillus Subtilis bacteria. The present ...
full textScreening of Fungi for Self-Healing of Concrete Cracks
The goal of this study is to explore a new self-healing concept in which fungi are used as a self-healing agent to promote calcium mineral precipitation to fill the cracks in concrete. An initial screening of different species of fungi has been conducted. Fungal growth medium was overlaid onto cured concrete plate. Mycelial discs were aseptically deposited at the plate center. The results showe...
full textMy Resources
Journal title
volume 5 issue 3
pages 107- 112
publication date 2018-09-01
By following a journal you will be notified via email when a new issue of this journal is published.
Hosted on Doprax cloud platform doprax.com
copyright © 2015-2023