Self-healing concrete for sustainable buildings. A review

Hossain, Md. Riad; Sultana, Rabeya; Patwary, Muhammad Mainuddin; Khunga, Noel; Sharma, Pankaj; Shaker, Sebastian Joya

doi:10.1007/s10311-021-01375-9

Cited by 61 publications

(30 citation statements)

References 67 publications

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“…Introducing autonomous repairability and healability in cementitious materials represents an innovative strategy to extend the lifetime and reduce the CO 2 footprint of buildings [6][7][8][9]. To date, concrete is the most widely applied material in the construction industry owing to its high mechanical properties paired with low production costs [10].…”

Section: Self-healing Concretementioning

confidence: 99%

Smart Materials for Green(er) Cities, a Short Review

et al. 2023

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The transition to sustainable or green(er) cities requires the development and implementation of many innovative technologies. It is vital to ensure that these technologies are themselves as sustainable and green as possible. In this context, smart materials offer excellent prospects for application. They are capable of performing a number of tasks (e.g., repair, opening/closing, temperature measurement, storage and release of thermal energy) without embedded electronics or power supplies. In this short review paper, we present some of the most promising smart material-based technologies for sustainable or green(er) cities. We will briefly present the state-of-the-art in smart concrete for the structural health monitoring and self-healing of civil engineering structures, phase-change materials (PCM) for passive air-conditioning, shape-memory materials (SMA) for various green applications, and meta-surfaces for green acoustics. To better illustrate the potential of some of the solutions discussed in the paper, we present, where appropriate, our most recent experimental results (e.g., embedded SAW sensors for the Structural Health Monitoring of concrete structures). The main aim of this paper is to promote green solutions based on smart materials to engineers and scientists involved in R&D projects for green(er) cities.

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Section: Self-healing Concretementioning

confidence: 99%

Smart Materials for Green(er) Cities, a Short Review

et al. 2023

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“…Materials that serve several functions simultaneously are called 'multifunctional' materials [1]. Cement-based composites can provide self-healing [2][3][4][5][6], self-cleaning [7][8][9][10][11], electromagnetic wave shielding [12][13][14][15][16] and self-sensing [17][18][19][20][21] properties as well as being a structural element. The sensing technology electrically reveals the stresses on the structure and allows to comment on the state of live or dead loads on the structure.…”

Section: Introductionmentioning

confidence: 99%

Capacitive compressive stress self-sensing behavior of cement mortar and its dependence on the thickness

Ozturk

2024

Phys. Scr.

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Capacitance based compressive stress/strain self-sensing properties and its dependence on thickness is presented for the fist time. Coplanar electrode configuration is used for the electrical measurements and known weights are used to create cyclic stresses on the mortar samples with different thicknesses. Mortar plates with 6 mm, 10 mm and 15 mm thicknesses are produced and capacitance change with stress application is measured with an inductance-capacitance-resistance meter (LCR meter). Capacitance value of the mortar with 6 mm, 10 mm and 15 mm thicknesses are 450 pF, 532 pF and 607 pF, respectively. Capacitance increases as thickness increases. However, stress sensitivities of the mortar with 6 mm, 10 mm and 15 mm thicknesses are measured as 3.1x10-6 P-1, 3.1x10-7 P-1 and 1.1x10-7 P-1. Stress sensitivity decreases with increasing the mortar thickness. While capacitive self-sensing is effective when the mortar thickness is known, capacitive self-sensing is ineffective with varying mortar thickness. This research contributes valuable insights into the practical application of capacitance-based sensing in materials subjected to compressive stresses, highlighting the need for considerations regarding thickness variations in real-world applications such as load monitoring and weighing.

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“…Self-healing materials have received much attention because of their capacity to self-repair after being damaged and to extend the lifetime of the material. − Usually, the autonomous self-healing materials can be achieved through supramolecular networks fabricated using dynamic covalent interactions (including reversible disulfide bonds, esters, imines, reversible Diels–Alder reactions, , and so forth) or through noncovalent interactions (including hydrogen bonds, host–guest interactions, metal–ligand interactions, and so forth). One of the supramolecular systems containing a quadruple hydrogen-bonded structure of a ureido-pyrimidinone structure, the UPy system, is a quadruple hydrogen-bonded system in the form of AADD-DDAA with a high dimerization constant; it has been widely used in the field of polymeric materials and has a significant effect on the improvement of polymer properties. − Wang et al designed a PEG-UPy self-healing polymer to treat the surface of lithium metal, which greatly improved the cycling performance of the battery.…”

Section: Introductionmentioning

confidence: 99%

High-Performance Gel Polymer Electrolyte with Self-Healing Capability for Lithium-Ion Batteries

Chen

Zou

et al. 2022

ACS Appl. Energy Mater.

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Polymer electrolytes (PEs) are predicted to be an alternative to liquid electrolytes for lithium-ion batteries (LIBs) since they can overcome the problems of leakage and electrolyte flammability issues. However, polymer electrolytes often suffer from disappointing cracks or breakage, which will lead to short circuits and bring some safety issues. Furthermore, the undesirable ionic conductivity at room temperature also limits their practical application. Here, a novel gel polymer electrolyte (GPE) was proposed. The cross-linking network was formed by adding supramolecular copolymer PEG-UPy to the cross-linking matrix of poly(ethylene oxide) (PEO) and polyvinylidene fluoride hexafluoropropylene (PVDF-HFP), and the resulting GPE has the advantages of good flexibility, high mechanical strength, high ionic conductivity (7.5 × 10 −4 S cm −1 , RT) and can be self-repaired without external stimulation. In addition, the GPE exhibits good interfacial stability with the electrode, which can be used in high-performance lithium-ion batteries with stable reversible electrochemical reactions and excellent cycling stability.

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Self-healing concrete for sustainable buildings. A review

Cited by 61 publications

References 67 publications

Smart Materials for Green(er) Cities, a Short Review

Smart Materials for Green(er) Cities, a Short Review

Capacitive compressive stress self-sensing behavior of cement mortar and its dependence on the thickness

High-Performance Gel Polymer Electrolyte with Self-Healing Capability for Lithium-Ion Batteries

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