Structural Reinforcement of a Masonry Building

Cerretini, Giovanni; Giacomin, Giorgio

doi:10.4028/www.scientific.net/kem.817.673

Cited by 4 publications

(3 citation statements)

References 1 publication

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“…Reinforcement, which involves adding supplementary materials (e.g., steel rods, fiberglass, or carbon fiber composites) or structural repairs (e.g., reconstruction or repair work) to enhance monument structural stability, is particularly relevant when fungal degradation has deeply compromised its load-bearing capacity. These measures strengthen the monument's overall structure by mitigating the risk of collapse or further damage, extending the monument's lifespan, ensuring its preservation for future generations, and enhancing safety, reducing the risk of accidents caused by unstable monument structures [243].…”

Section: Consolidation and Reinforcementmentioning

confidence: 99%

Fungal Diversity and Heritage Degradation

Oliveira,

Reis,

Almaguer

2023

Preprint

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This review resumes published data on fungal diversity in and within monuments (e.g., religious and secular monuments, museums, and statues), covering a multidisciplinary investigation into the complex interactions between fungi and cultural heritage structures. Fungi represent remarkable adversaries to monuments, potentially compromising their structural integrity and aesthetic value. Based on a bibliographic search of manuscripts published, the knowledge of fungal communities colonizing monuments was comprehensively assessed. This work first describes the diverse fungal species implicated in the degradation of monument materials (e.g., stone, metal, and glass). It elucidates the factors governing fungal colonization and proliferation in and within these structures (e.g., environmental conditions, construction materials, and human interventions). Finally, the efficacy of preservation and restoration techniques to mitigate fungal threats and safeguard our cultural heritage is also discussed. This synthesis highlights the pivotal role of mycological research in heritage conservation, and a platform for future studies to address critical knowledge gaps is provided. Understanding fungal diversity in and within monuments is critical to preserving these invaluable cultural treasures, as it informs targeted conservation strategies and ensures their longevity in the face of fungal challenges.

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Section: Consolidation and Reinforcementmentioning

confidence: 99%

Fungal Diversity and Heritage Degradation

Oliveira,

Reis,

Almaguer

2023

Preprint

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“…However, the arbitrary expansion of space on the bottom oor for shops and workshops results in weak structural connections between upper and lower levels [11] , making the structure highly vulnerable to earthquake damage and collapse [12] . The upper masonry wall of the bottom frame structure is a brittle material [13] with low tensile and shear strength. This wall not only bears loads but also acts as a lateral force-resistant component, forming two distinct lateral force-resistant systems with the bottom frame structure [14] .…”

Section: Introductionmentioning

confidence: 99%

Research on seismic performance and improvement of rural self-built houses

Zhang,

Liu,

Sun

et al. 2024

Preprint

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The traditional self-built houses with a bottom frame structure, still prevalent in rural areas, pose a significant risk of damage during earthquakes due to the structural weaknesses of the first and second floors. Despite this vulnerability, many residents continue to construct such houses due to their structural convenience. This study focuses on a rural self-built house with a frame bottom layer and three masonry upper layers. By subjecting the structure to seven seismic waves, we analyze the seismic responses of traditional seismic structures, bottom shear wall structures, foundation isolation structures, and storey separation structures. A comparative assessment of the seismic performance of these four structures under earthquake conditions is conducted. The study confirms the advantages and feasibility of implementing base shear wall and isolation technologies in rural self-built bottom frame structures. The findings reveal that bottom shear walls can mitigate seismic damage to some extent. Additionally, the implementation of isolation technology can effectively extend the structure's period and prevent site-specific vulnerabilities. When foundation isolation is applied, structural acceleration, interstory shear, interstory displacement, and base shear can be reduced from 18.261–32.098% of those observed in traditional seismic structures, indicating a significant improvement in seismic resilience. Moreover, the seismic performance of storey separation surpasses that of bottom shear walls, while foundation isolation outperforms both storey separation and bottom shear walls in terms of seismic performance.

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“…An important application of carbon fiber/p-aramid composites has been found for industrial helmets [14]. Polyamide/CF composites have also been applied for the structural reinforcement of masonry building [15]. Carbon fiber reinforced polyamide composites possess extremely high strength to be utilized in civil and structural engineering [16,17].…”

Section: Introductionmentioning

confidence: 99%

Advances in Carbon Fiber Reinforced Polyamide-Based Composite Materials

Kausar

2019

Advances in Materials Science

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Carbon fiber has been used to reinforce both aliphatic and aromatic polyamides. Aliphatic polyamide is known as nylon and aromatic polyamide is often referred to as aramid. Among aliphatic polyamides, polyamide 6, polyamide 6,6, polyamide 11, polyamide 12, and polyamide 1010 have been used as matrices for carbon fiber. Factors affecting the properties of polyamide/carbon fiber composites are: fiber amount, fiber length, fiber orientation, matrix viscosity, matrix-fiber interactions, matrix-fiber adhesion, and conditions encountered during manufacturing processes. This article presents a state-of-the-art review on polyamide/carbon fiber composites. Polyamide/carbon fiber composites are lightweight and exhibit high strength, modulus, fatigue resistance, wear resistance, corrosion resistance, gear, electrical conductivity, thermal conductivity, chemical inertness, and thermal stability. Incorporation of oxidized or modified carbon fiber and nanoparticle modified carbon fiber into polyamide matrices have been found to further enhance their physical properties. Applications of polyamide/carbon fiber composites in aerospace, automobile, construction, and other industries have been stated in this review. To fully exploit potential of polyamide/carbon fiber composites, concentrated future attempts are needed in this field.

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Structural Reinforcement of a Masonry Building

Cited by 4 publications

References 1 publication

Fungal Diversity and Heritage Degradation

Fungal Diversity and Heritage Degradation

Research on seismic performance and improvement of rural self-built houses

Advances in Carbon Fiber Reinforced Polyamide-Based Composite Materials

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