A comparison index in mortar repair treatments by microbiologically induced carbonate precipitation and its evaluation by a non-destructive technique

Tamayo-Figueroa, Diana P.; Meneses-Martínez, Henry; Darghan, Aquiles Enrique; Lizarazo-Marriaga, Juan; Brandão, Pedro

doi:10.1080/19648189.2023.2219289

Cited by 4 publications

(1 citation statement)

References 48 publications

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“…Urease enzymes can be produced by microorganisms, and calcium CaCO 3 can be produced with the help of calcium ions [11,13]. The healing process caused by bacteria normally consists of some materials and bacteria used for the reaction [14,15]. Several kinds of bacteria have been used, depending on the application situation, to repair cracks via MICP [16].…”

Section: Introductionmentioning

confidence: 99%

A Novel Mathematical Model for Repairing Rough Cracks Using the Microbially Induced Carbonate Precipitation (MICP)

Zhang,

Wang,

Ahmed

et al. 2023

Sustainability

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Concrete cracks have an adverse effect on the strength properties and durability of concrete structures. Therefore, repairing concrete cracks to recover the concrete’s strength parameters is an important task in the civil engineering field. For repairing concrete cracks, the MICP technique has been widely analyzed in recent times; however, no research has been conducted to deeply investigate the repair effects of MICP on concrete cracks with a rough surface using a theoretical model. In the current research, MICP with a novel mathematical model was conducted considering the precipitation of calcium carbonate (CaCO3), ureolysis, suspended biomass, geochemistry, transport of solutes, and biofilm growth. Furthermore, crack repair experiments were performed to assess the performance of the new mathematical model. The results revealed that the calculated concentrations of suspended biomass in cracks gradually decreased during the test. The comparison between the experimental results and calculated results verified the precision of the migration behavior of the suspended biomass. At the inlet, the solute concentrations and volume fractions of biofilm were higher, causing an increase in the productive rates of calcium carbonate. The consumed concentrations of solutes were higher for cracks with a smoother surface, eventually leading to smaller values of sonic time; the upper parts of the cracks also had smaller values of sonic time, showing good repair effects. The proposed mathematical model provides a better solution to control the repair time and microbial metabolism process, allowing for adjustive bioremediation and biomineralization of concrete, which could provide a firm basis for the remediation of materials in the civil engineering field.

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Section: Introductionmentioning

confidence: 99%

A Novel Mathematical Model for Repairing Rough Cracks Using the Microbially Induced Carbonate Precipitation (MICP)

Zhang,

Wang,

Ahmed

et al. 2023

Sustainability

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Microbial-Induced Calcium Carbonate Precipitation – A Potentially Sustainable Approach for Geo-environmental Challenges: A Retrospection into the Mechanism, Influencing Factors, Characterization, and Applications

Sarma,

Mishra

2024

Geomicrobiology Journal

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Archaeometric characterization and restoration proposal for filling mortars of Oshki (Öşvank) church

Kavali,

Eroğlu,

Çakıcı

et al. 2023

Herit Sci

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In order to ensure the sustainability of cultural, historical and architectural heritage, preserving and restoring historical buildings and transferring them to future generations is one of the important issues of today. Restoration decisions regarding the repairs of historical buildings are of great importance in this context. Developing correct intervention decisions requires the thorough analysis of the structure, the determination of the structural and material properties meticulously, and the use the most appropriate materials for repairing it. However, only physical and chemical analyses are not sufficient to determine material properties of historical buildings; therefore, archaeometric analyses are needed to determine them more appropriately. In this study, it is aimed to determine the components and characteristics of the filling mortars of Oshki (Öşvank) Church, one of the most magnificent structures of the Eastern Anatolia region, in order to preserve the masonry structure and guide the restoration studies in the light of archaeometric analyses. The raw material properties of the samples taken from the filling mortars of the church were determined by the physical, chemical and petrographic analyses. As a result of the analyses, the aggregate-binding properties of Oshki Church filler mortars were determined. It was revealed that the aggregate content was determined as petrographic, lime was used as a binder and all samples contained pozzolan whereas no cement was used in any of the samples, and the samples did not contain marble rice/powder and organic additives like oil, protein etc. It has also been observed that the aggregate in the mortar content is compatible with the geological formations of near surrounding of the church. In this context, this study emphasizes the importance of archaeometric analysis in restoration of historical buildings. Moreover, differing from other studies in the literature, this study proposes mortar recipe to be used in the restoration of the church, which can pioneer to future studies in the field of architectural restoration.

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A comparison index in mortar repair treatments by microbiologically induced carbonate precipitation and its evaluation by a non-destructive technique

Cited by 4 publications

References 48 publications

A Novel Mathematical Model for Repairing Rough Cracks Using the Microbially Induced Carbonate Precipitation (MICP)

A Novel Mathematical Model for Repairing Rough Cracks Using the Microbially Induced Carbonate Precipitation (MICP)

Microbial-Induced Calcium Carbonate Precipitation – A Potentially Sustainable Approach for Geo-environmental Challenges: A Retrospection into the Mechanism, Influencing Factors, Characterization, and Applications

Archaeometric characterization and restoration proposal for filling mortars of Oshki (Öşvank) church

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