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Journal articles on the topic 'Historic masonry structures'

Author: Grafiati

Published: 18 April 2022

Last updated: 10 March 2023

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1

Lourenço, Paulo B. "Computations on historic masonry structures." Progress in Structural Engineering and Materials 4, no. 3 (2002): 301–19. http://dx.doi.org/10.1002/pse.120.

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2

Witzany, Jiří, Tomáš Čejka, and Radek Zigler. "Load-Bearing Capacity Determination of Historic Masonry Structures." Advanced Materials Research 923 (April 2014): 81–84. http://dx.doi.org/10.4028/www.scientific.net/amr.923.81.

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The experimental, in-situ and laboratory research has manifested a relatively large variance of the physical and mechanical characteristics of historical masonry found e.g. within a masonry wall, a massive masonry pillar etc. Artical presents the evaluation of the experimentally determined physical and mechanical characteristics of masonry members and the binder obtained by sampling specimens and by non-destructive measurements relies on the application of appropriate probabilistic methods.

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Gu, Xiang Lin, Dong Jie Sun, Kai Sun, and Guang Hong Hu. "Development and Application of Reliability Assessment Software for Historic Masonry Structures." Advanced Materials Research 133-134 (October 2010): 1271–76. http://dx.doi.org/10.4028/www.scientific.net/amr.133-134.1271.

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Most of the existing historic buildings are masonry buildings in China. Among them, some of buildings have served for a long time, their mechanical performance deteriorated significantly. They need to be inspected thoroughly and assessed accurately for the purpose of protection. However, there is still no available engineering software designed for the reliability assessment of existing historic masonry structures. Therefore, a Masonry Assessment software Package with three modules of pre-processing, core analyzing, and post-processing was developed based on the characteristics of historic mas

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4

Dong, Zhen Ping, Cong Xia Hou, Xi Guang Liu, and Qing Lin Wang. "Durability Research on Masonry Structures of Historical Buildings in Xi’an Beilin Museum." Advanced Materials Research 250-253 (May 2011): 2428–34. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.2428.

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By the Xi'an Beilin Museum of Historic Buildings Survey durability of brick masonry and brick surface material X-ray diffraction analysis showed that the durability of historic buildings degradation of common brick, Environmental conditions and construction materials with different degree of degradation is a clear significant difference. According to the survey results, analysis of the durability of brick masonry deterioration of historic buildings causes and influencing factors, such as the future durability of brick masonry buildings to provide a reliable basis for restoration.

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D'Altri, Antonio Maria, Gabriele Milani, Stefano de Miranda, Giovanni Castellazzi, and Vasilis Sarhosis. "Stability analysis of leaning historic masonry structures." Automation in Construction 92 (August 2018): 199–213. http://dx.doi.org/10.1016/j.autcon.2018.04.003.

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Sýkora, Miroslav, and Milan Holicky. "Evaluation of Compressive Strength of Historic Masonry Using Measurements." Advanced Materials Research 923 (April 2014): 213–16. http://dx.doi.org/10.4028/www.scientific.net/amr.923.213.

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Historic structures are made of different types of masonry with significantly different properties. As a rule the information on mechanical properties of masonry components has to be obtained by testing. Estimation of masonry strength from measurements with due regard to relevant uncertainties may be a key issue of the reliability assessment. The probabilistic model of masonry strength is developed considering uncertainties in basic variables and testing procedures. It appears that the characteristics of masonry strength can be well estimated using fundamental statistical methods.

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WITZANY, Jiří, Tomáš ČEJKA, Miroslav SÝKORA, and Milan HOLICKÝ. "ASSESSMENT OF COMPRESSIVE STRENGTH OF HISTORIC MIXED MASONRY." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 22, no. 3 (2015): 391–400. http://dx.doi.org/10.3846/13923730.2014.914088.

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The majority of load-bearing masonry structures of historic buildings are built of mixed or stone masonry composed of regular or irregular (so-called quarry) masonry units – bricks, sedimentary and metamorphic rock – possessing often very different physical and mechanical characteristics. The identification of residual mechanical properties of stone or mixed masonry of irregular walling units requires the application of a suitable diagnostic method, the assessment of the phase of degradation processes and the choice of an appropriate probabilistic model for the strength of mixed masonry. The

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Ou, Weibing, Xudong Chen, Andrew Chan, Yingyao Cheng, and Hongfan Wang. "FDEM Simulation on the Failure Behavior of Historic Masonry Heritages Subjected to Differential Settlement." Buildings 12, no. 10 (2022): 1592. http://dx.doi.org/10.3390/buildings12101592.

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Historic masonry heritages, such as cathedrals, colonnades, and arch bridges, were constructed with individual components (e.g., stones, bricks, other materials) bound together with, e.g., mortar, and they are very vulnerable to foundation settlement, especially differential settlement which occurs frequently in engineering practice. These masonry structures are discontinuous, and therefore, their behavior under differential settlement is highly nonlinear and complex. In this study, the combined finite-discrete element method (FDEM) is employed to simulate the failure behavior of historic maso

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9

Triantafillou, Thanasis C., and Michael N. Fardis. "Strengthening of historic masonry structures with composite materials." Materials and Structures 30, no. 8 (1997): 486–96. http://dx.doi.org/10.1007/bf02524777.

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10

Papalou, Angeliki. "Strengthening of masonry structures using steel frames." International Journal of Engineering & Technology 2, no. 1 (2012): 50. http://dx.doi.org/10.14419/ijet.v2i1.581.

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Many old masonry structures have not been maintained properly and have been left exposed to future seismic loading with only their exterior masonry walls. These structures can be strengthened using different techniques with the reversible ones being more appropriate for historic structures. The seismic behavior of masonry buildings left only with their perimeter walls and retrofitted using steel frames (a reversible technique) is investigated. The role of the connection of the steel frames with the masonry walls is analyzed. Linear elastic analysis is performed using the finite element method.

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11

Luo, Dong, Shangwei Wang, Xiaohong Du, et al. "Health detection techniques for historic structures." Materials Testing 63, no. 9 (2021): 855–64. http://dx.doi.org/10.1515/mt-2021-0013.

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Abstract The protection of historic buildings has drawn increasing attention and usually requires a sound nondestructive testing (NDT) technique. This paper first describes the significance of and the status on the protection of historic structures followed by a summary of common damage and repair measures for such structures. Lastly, the principles, characteristics, and applications of NDT techniques for historic wooden and masonry structures, including ultra-CT testing, stress wave testing, micro-drilling resistance meter, radar detection, and X-ray diffraction, are described and compared. T

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12

Bağbancı, M. Bilal, and Özlem Köprülü Bağbancı. "The Dynamic Properties of Historic Timber-Framed Masonry Structures in Bursa, Turkey." Shock and Vibration 2018 (October 9, 2018): 1–11. http://dx.doi.org/10.1155/2018/3257434.

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Timber-framed masonry structures are known as an effective earthquake load resisting system in high seismicity regions such as Bursa, Turkey. Intense earthquakes have occurred throughout history; however, many of the traditional timber structures have been able to survive without significant damage until the present day. In this study, six historic two-storied timber-framed masonry structures dating from the nineteenth century in Bursa City are investigated by using laboratory and in situ structural health monitoring tests. Although the houses have the same construction techniques, different m

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Basukala, Shyam Sundar, and Prem Nath Maskey. "Seismic vulnerability of traditional masonry building a case study of Byasi, Bhaktapur." Journal of Science and Engineering 4 (April 3, 2017): 24–30. http://dx.doi.org/10.3126/jsce.v4i0.22377.

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Historic buildings of Nepal are mainly constructed from masonry structure. Since masonry structures are weak in tension which leads to the failure of structure. So, to avoid possible damage in environment lives and property it is urgent to conduct vulnerability assessments. Seismic vulnerability of historic masonry buildings constructed in Bhaktapur at Byasi area is carried out for the case study. Five load bearing masonry buildings were selected out of 147 buildings considering opening percentage, storey and type of floor for modeling in SAP 2000 V10 Various methods of rapid visual screening

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Zangani, Donato. "Multifunctional Textiles for Protection against Natural Hazards." Advances in Science and Technology 56 (September 2008): 601–8. http://dx.doi.org/10.4028/www.scientific.net/ast.56.601.

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Textile structures are extensively used in construction in forms of geotextiles. The retrofitting of existing masonry walls and soil structures is particularly important for earthquake protection of historic buildings and protection of earthworks against landslides. Unreinforced masonry structures are highly vulnerable because being originally designed mainly for gravity loads they often cannot withstand the dynamic horizontal loads in case of strong earthquakes. Soil structures, such as embankments, are subjected to landslides after heavy rainfalls or during earthquakes. Hence the necessity t

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Bartoli, Gianni, Michele Betti, Antonino Maria Marra, and Silvia Monchetti. "A Bayesian model updating framework for robust seismic fragility analysis of non-isolated historic masonry towers." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2155 (2019): 20190024. http://dx.doi.org/10.1098/rsta.2019.0024.

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Seismic assessment of existing masonry structures requires a numerical model able to both reproduce their nonlinear behaviour and account for the different sources of uncertainties; the latter have to be dealt with since the unavoidable lack of knowledge on the input parameters (material properties, geometry, boundary conditions, etc.) has a relevant effect on the reliability of the seismic response provided by the numerical approaches. The steadily increasing necessity of combining different sources of information/knowledge makes the Bayesian approach an appealing technique, not yet fully inv

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16

Brosnan, Denis A. "Characterization and Degradation of Masonry Mortar in Historic Brick Structures." Journal of Structures 2014 (April 27, 2014): 1–7. http://dx.doi.org/10.1155/2014/859879.

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This study characterized mortars from a masonry fortification in Charleston, South Carolina (USA), harbor where construction was during the period 1839–1860. This location for analysis was interesting because of the sea water impingement on the structure. The study was included as part of an overall structural assessment with restoration as an objective. The mortars were found to be cement, lime, and sand mixtures in proportions similar to ones expected from the historic literature, that is, one part binder to two parts of sand. The binder was found to be American natural cement, a substance a

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Aldrebi, Ziad Ahmad. "Historical Masonry Towers: Overview, Seismic Vulnerability, Behavior During an Earthquake, Seismic Strengthening." Earthquake Engineering. Construction Safety, no. 6 (December 25, 2020): 49–66. http://dx.doi.org/10.37153/2618-9283-2020-6-49-66.

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The article provides an overview of historic masonry towers such as the minarets of mosques, bell towers of churches, clock towers, leaning towers, so-called "falling towers" and ruined towers. It was considered what kind of masonry, what kind of mortars the Romans, the ancient Egyptians, the Inca and Mayan cultures in America used. Some aspects of seismic vulnerability of masonry towers were studied. The modes of destruction of thin masonry structures, mechanisms of destruction of masonry in towers are considered, the seismic behavior of historical masonry towers are considered, a

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Bosiljkov, Vlatko, Mojmir Uranjek, Roko Žarnić, and Violeta Bokan-Bosiljkov. "An integrated diagnostic approach for the assessment of historic masonry structures." Journal of Cultural Heritage 11, no. 3 (2010): 239–49. http://dx.doi.org/10.1016/j.culher.2009.11.007.

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19

Guadagnuolo, Mariateresa, Giorgio Frunzio, Michelina Monaco, and Anna Tafuro. "Pozzolanic Mortars for Restoration of Sacred Tuff Masonry Structures." Resourceedings 2, no. 3 (2019): 160. http://dx.doi.org/10.21625/resourceedings.v2i3.653.

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Recent earthquakes have shown the seismic vulnerability of the Italian Architectural heritage and the need of interventions. The restoration design should take into account not only assessment and rehabilitation, but also the need of fruition of the cultural assets. These aspects have been considered in the last Italian seismic codes, a performance-based set of technical requirements to be addressed in the design process. In this framework, the requirements that the materials, meant to repair or replace historic ones, should fulfill are a key issue. In particular, for tuff masonry structures,

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20

Ferreira, Carina Fonseca, Dina D’Ayala, Jose L. Fernandez Cabo, and Rafael Díez. "Numerical Modelling of Historic Vaulted Timber Structures." Advanced Materials Research 778 (September 2013): 517–25. http://dx.doi.org/10.4028/www.scientific.net/amr.778.517.

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Historic timber structures forming vaulted roofs of public and ecclesiastical buildings are present worldwide. The structural response of these constructions is usually governed by the structural performance of the joints, the interaction between the timber structure and the masonry parts, and the current condition of both joints and timber members. At present, numerical approaches, such as finite element method-based approaches are well-established tools for investigating the global response of complex historic structures. Using a FE-based software package, the authors developed a numerical m

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21

Santhakumar, A. R., M. S. Mathews, S. Thirumurugan, and Rao Uma. "Seismic Retrofitting of Historic Masonry Buildings – Case Study." Advanced Materials Research 133-134 (October 2010): 991–96. http://dx.doi.org/10.4028/www.scientific.net/amr.133-134.991.

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Masonry heritage building built during early part of 19th century have characteristic colonial architecture using masonry walls and jack arch roofing supported on steel beams. They are highly vulnerable to failure during earthquakes. This paper describes a methodology to quantify their vulnerability and then based on this a scheme of structural retrofitting is suggested. The aim of this presentation, through 4 case studies of buildings located in Delhi, India, is to exemplify various aspects of analysis, design and execution methodology of the retrofitting scheme for such important heritage st

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22

Ospina, Yesid Mauricio, Jairo Andrés Paredes López, and Jorge Alberto Galindo Díaz. "The behaviour of a historic masonry arch bridge regarding dynamic loads." Ingeniería e Investigación 29, no. 3 (2009): 115–20. http://dx.doi.org/10.15446/ing.investig.v29n3.15193.

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This article describes the analysis of a historic brick arch bridge constructed in Colombia during the 18th century for predicting its behavior in response to loads produced by seismic activity and determining its vulnerability. Two studies were carried out prior to the seismic analysis to obtain basic information regarding the structure's overall behavior (modal analysis and linear static analysis), both stemming from a three-dimensional model constructed by the finite elements method. Seismic excitation was simulated in the conditions proposed by 1998 Colombian seismic-resistant norms (NSR-9

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23

Grande, Ernesto, Maura Imbimbo, and Elio Sacco. "The Role of the Adhesive on the Bond Behavior of SRPs Applied on Masonry Supports: Experimental and Numerical Study." Key Engineering Materials 624 (September 2014): 652–59. http://dx.doi.org/10.4028/www.scientific.net/kem.624.652.

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Steel Reinforced Polymers (SRP) have been recently introduced and adopted as strengthening systems for existing constructions. Although the interest for this kind of strengthening materials is increasing also for masonry structures, in particular for historic constructions, only few studies specifically pertained to masonry elements strengthened with SRPs are available in the literature. In this context, a twofold purpose is at the basis of the present paper. The first one consists of experimentally investigating the bond behavior of masonry elements strengthened with SRPs using different type

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Marazzani, Jacopo, Nicola Cavalagli, and Vittorio Gusella. "Elastic Properties Estimation of Masonry Walls through the Propagation of Elastic Waves: An Experimental Investigation." Applied Sciences 11, no. 19 (2021): 9091. http://dx.doi.org/10.3390/app11199091.

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Structural identification is one of the most important steps when dealing with historic buildings. Knowledge of the parameters, which define the mechanical properties of these kinds of structures, is fundamental in preparing interventions aimed at their restoration and strengthening, especially if they have suffered damage due to strong events. In particular, by using non-destructive techniques it is possible to estimate the mechanical characteristics of load-bearing structures without compromising the artistic value of the monumental buildings. In this paper, after recalling the main theoreti

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Terlikowski, Wojciech, Marcin Matera, Kacper Wasilewski, Martyna Gregoriou-Szczepaniak, and Ewa Sobczyńska. "Conservation of irregular stone masonry in Tanais in Russia." MATEC Web of Conferences 196 (2018): 02041. http://dx.doi.org/10.1051/matecconf/201819602041.

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The article presents and describes the conservation of masonry structures at archaeological site in Tanais near Rostov-on-Don in Russia. The authors' experiences presented in the article result from many years of cooperation between the Faculty of Civil Engineering at the Warsaw University of Technology and the Centre for Research on the Antiquity of Southeastern Europe at the University of Warsaw. Works on masonry structures located in the area of archaeological excavations are characterized by a unique specificity covering both formal issues, resulting from international standards and agreem

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Gentile, Carmelo, and Antonella Saisi. "Dynamic Testing of Masonry Towers Using the Microwave Interferometry." Key Engineering Materials 628 (August 2014): 198–203. http://dx.doi.org/10.4028/www.scientific.net/kem.628.198.

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Microwave remote sensing is the most recent experimental methodology suitable to the non-contact measurement of deflections on large structures, in static or dynamic conditions. After a brief description of the radar measurement system, the paper addresses the application of microwave remote sensing in ambient vibration testing of two historic masonry towers.

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27

Valluzzi, Maria Rosa, Luigia Binda, and Claudio Modena. "Mechanical behaviour of historic masonry structures strengthened by bed joints structural repointing." Construction and Building Materials 19, no. 1 (2005): 63–73. http://dx.doi.org/10.1016/j.conbuildmat.2004.04.036.

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Cascini, Lucrezia, Raffaele Gagliardo, and Francesco Portioli. "LiABlock_3D: A Software Tool for Collapse Mechanism Analysis of Historic Masonry Structures." International Journal of Architectural Heritage 14, no. 1 (2018): 75–94. http://dx.doi.org/10.1080/15583058.2018.1509155.

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Sciarretta, Francesca, Salvatore Russo, and Carlo Casalegno. "Experimental Analysis of Failure Mechanisms in Masonry-PFRP Profiles Connections." Advances in Civil Engineering 2018 (October 21, 2018): 1–11. http://dx.doi.org/10.1155/2018/5475347.

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Fibre-reinforced polymer (FRP) profiles, with their low density, high durability, and ease of construction, are particularly suitable for the retrofit of traditional masonry structures, particularly historic constructions in seismic zones. However, a critical aspect of this new technology application is the connection between FRP profiles and masonry walls. So far, no research studies are available on this subject. The authors carried out a preliminary experimental campaign on different connection systems between masonry and pultruded glass-fibre-reinforced polymer (GFRP) profiles. The note pr

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Angiuli, Riccardo, Paolo Corvaglia, Alessandro Largo, and Angela Coricciati. "Defect Identification and Acceptance of FRP and FRCM Masonry Reinforcement by Infrared Thermography Survey." Key Engineering Materials 624 (September 2014): 80–87. http://dx.doi.org/10.4028/www.scientific.net/kem.624.80.

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Masonry structures, both historic and newly built, often need reinforcement interventions to meet new or increased loads or in the case of adjustment against seismic actions. The result of this type of intervention must be verified or tested to ensure the correspondence between what was originally designed and what was realized. In addition to numerous destructive and semi-destructive techniques, infrared thermography (IRT) is a contactless diagnostic technique which can rapidly provide information about the success of such reinforcement interventions, even on masonry structures. In the presen

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D'Ayala, D., and E. Speranza. "Definition of Collapse Mechanisms and Seismic Vulnerability of Historic Masonry Buildings." Earthquake Spectra 19, no. 3 (2003): 479–509. http://dx.doi.org/10.1193/1.1599896.

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In historic city centers the mitigation of seismic risk is dependent on the possibility of implementing strengthening programs. Given the cultural and economic value attached to the historic structures, however, interventions should be tailored to suit aesthetic and structural requirements of each building type, and provide sufficient reliability of performance in future earthquakes. A simple analytical model is developed to calculate load factors associated with various collapse mechanisms of wall assemblies, and vulnerability functions are derived. An application shows the capability of the

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Biglari, Mahnoosh, Michele D’Amato, and Antonio Formisano. "Rapid Seismic Vulnerability and Risk Assessment of Kermanshah Historic Mosques." Open Civil Engineering Journal 15, no. 1 (2021): 135–48. http://dx.doi.org/10.2174/1874149502115010135.

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Background: In this research a rapid vulnerability and risk assessment at a territorial level is performed. Methods: The methodology used, initially proposed for ancient masonry churches, is extended and applied to ten historic masonry mosques in Kermanshah city. The method could be considered as preliminary risk assessment approach of historic structures, refers to LV0 method, since the used methodology requires simple qualitative information. It involves the application of three distinct tools; the exposure, the seismic hazard, and the seismic vulnerability. Results: The comparisons among th

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Endo, Yohei, Yuta Waki, Yasushi Niitsu, and Toshikazu Hanazato. "Dynamic Identification Tests of 20th Century Historic Masonry Buildings in Japan." GeoHazards 2, no. 4 (2021): 332–51. http://dx.doi.org/10.3390/geohazards2040018.

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This paper discussed the application of health monitoring systems to 20th-century historic buildings. Natural disasters are major threats to monuments. They are often seismically vulnerable and require interventions. However, taking into account their historic and cultural values, it is appropriate to observe long-term behaviour before making a decision on intervention schemes. To this aim, health monitoring is considered an effective approach. In recent years, MEMS (micro-electromechanical systems) accelerometers have been attracting attention for their convenience and efficacy. Nonetheless,

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Cizer, Özlem, Luc Schueremans, Gerty Serre, Elke Janssens, and Koen Van Balen. "Assessment of the Compatibility of Repair Mortars in Restoration Projects." Advanced Materials Research 133-134 (October 2010): 1071–76. http://dx.doi.org/10.4028/www.scientific.net/amr.133-134.1071.

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In restoration works compatibility requirements of repair mortars are defined based on the original mortar characteristics, but the efficiency and the performance of the repair mortars after application on masonry are not generally evaluated. From this perspective, original mortars and repair mortars from two historic masonry structures were analyzed for their characterization. Compatibility of the repair mortars with the historic mortars is investigated in terms of chemical, mineralogical, and physical point of view. The efficiency of the analytical techniques used for the mortar characteriza

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Terlikowski, Wojciech, Kacper Wasilewski, Ewa Sobczyńska, and Martyna Gregoriou-Szczepaniak. "Approach to conservation of irregular stone masonry based on archaeological excavations in the Black Sea basin." E3S Web of Conferences 49 (2018): 00117. http://dx.doi.org/10.1051/e3sconf/20184900117.

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The article presents and describes the methodology of conservation of masonry structures that are architectural monuments discovered as part of the work carried out during archaeological excavations. The authors' experiences presented in the article result from many years of cooperation between the Faculty of Civil Engineering at Warsaw University of Technology, the National Museum in Warsaw and the Antiquity of Southeastern Europe Research Center at the University of Warsaw. Examples of preserved masonry structures come from excavations located in the Black Sea area - from the archaeological

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Jasienko, Jerzy, Łukasz Bednarz, and Dariusz Bajno. "Conservation of the Structure and Materials of Historic Masonry Walls." Key Engineering Materials 624 (September 2014): 354–62. http://dx.doi.org/10.4028/www.scientific.net/kem.624.354.

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The paper presents a structural analysis, restoration programme and scope of conservation work essential for protecting historical values based on the example of an overstretched retaining wall providing support for the embankment of an heritage church. The focus was on analysing the status of an historic stone wall constructed in part with bog iron ore (metal ore or iron-rich sedimentary rock). Ore was used for iron smelting and also as a building material. Bog iron ore was frequently used in construction across Poland, especially in places where the raw material was locally available, aesthe

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Christou, Petros, and Miltiades Elliotis. "Construction and Retrofit Methods of Stone Masonry Structures in Cyprus." Open Construction and Building Technology Journal 10, no. 1 (2016): 246–58. http://dx.doi.org/10.2174/1874836801610010246.

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Natural stone is a durable construction material which has been used through centuries for various types of structures. These structures are exposed to corrosive and degradation factors such as climate change and pollution, natural ageing, earthquake actions, increasing urbanization and even human negligence, potentially exposing them to irreversible structural damage and loss. Considering the large number of traditional structures and the historic value of a great number of stone masonry structures, the necessity of maintenance, repair, retrofit and restoration of stone masonry structures is

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Pazderka, Jiří, Eva Hájková, and Martin Jiránek. "UNDERGROUND AIR DUCT TO CONTROL RISING MOISTURE IN HISTORIC BUILDINGS: IMPROVED DESIGN AND ITS DRYING EFFICIENCY." Acta Polytechnica 57, no. 5 (2017): 331. http://dx.doi.org/10.14311/ap.2017.57.0331.

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The underground air ducts along peripheral walls of a building are a remediation method, which principle is to enable an air flow along the moist building structure’s surface to allow a sufficient evaporation of moisture from the structure. This measure reduces the water transport (rising moisture) into the higher parts of the wall where the high water content in masonry is undesirable. Presently, underground air ducts are designed as masonry structures, which durability in contact with ground moisture is limited. The article describes a new design of an underground air duct, which is based on

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Vieira de Araújo, Myrela, Raimundo Nonato Rodrigues de Araújo Netto, and Antônio Helson Silva de Oliveira. "TIPOLOGIA DA FISSURAÇÃO EM EDIFICAÇÃO DA ARQUITETURA LUSO-MARANHENSE: ESTUDO DE CASO." Revista Científica Semana Acadêmica 10, no. 217 (2022): 1–15. http://dx.doi.org/10.35265/2236-6717-217-9447.

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The study aims to identify the types of cracks in masonry and concrete structures of a building located in the São Luís Historic Center in the state of Maranhão, with the objective of defining the causes and treatments of cracks. From the results, it was observed that the causes of cracks in mixed masonry were due to the rot and wear of the wood structure present inside and the disintegration of the coating grout. After the diagnosis in the concrete structures, it was observed that the plaster was made with a porous layer that works supporting the local humidity in which it has a direct contri

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Dollente, Ithan Jessemar R., Daniel Nichol R. Valerio, Pauline Rose J. Quiatchon, et al. "Enhancing the Mechanical Properties of Historical Masonry Using Fiber-Reinforced Geopolymers." Polymers 15, no. 4 (2023): 1017. http://dx.doi.org/10.3390/polym15041017.

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Current research into the production of sustainable construction materials for retrofitting and strengthening historic structures has been rising, with geopolymer technology being seen as an advantageous alternative to traditional concrete. Fiber reinforcement using this novel cementitious material involves a low embodied carbon footprint while ensuring cohesiveness with local materials. This study aims to develop fly ash-based geopolymers reinforced with six different types of fibers: polyvinyl alcohol, polypropylene, chopped basalt, carbon fiber, and copper-coated stainless steel. The sample

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Hussain, Aslam, and Saleem Akhtar. "Review of Non-Destructive Tests for Evaluation of Historic Masonry and Concrete Structures." Arabian Journal for Science and Engineering 42, no. 3 (2017): 925–40. http://dx.doi.org/10.1007/s13369-017-2437-y.

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Kaplan, H., H. Bilgin, S. Yilmaz, H. Binici, and A. Öztas. "Structural damages of L'Aquila (Italy) earthquake." Natural Hazards and Earth System Sciences 10, no. 3 (2010): 499–507. http://dx.doi.org/10.5194/nhess-10-499-2010.

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Abstract. On 6 April 2009 an earthquake of magnitude 6.3 occurred in L'Aquila city, Italy. In the city center and surrounding villages many masonry and reinforced concrete (RC) buildings were heavily damaged or collapsed. After the earthquake, the inspection carried out in the region provided relevant results concerning the quality of the materials, method of construction and the performance of the structures. The region was initially inhabited in the 13th century and has many historic structures. The main structural materials are unreinforced masonry (URM) composed of rubble stone, brick, and

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Murat Maras, Muslum. "Experimental behavior of injected geopolymer grout using styrene-butadiene latex for the repair and strengthening of masonry walls." Advances in Structural Engineering 24, no. 11 (2021): 2484–99. http://dx.doi.org/10.1177/13694332211001513.

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Unreinforced masonry buildings in the historic centers of the world have often been overlooked for centuries without any protection. These buildings demonstrate low resistance under external effects, especially against earthquakes. Earthquakes cause serious damage to the buildings and even the collapse of structures as a result of seismic stimulation from the impact of pounding with structural impacts. For this reason, it is of great importance to repair and strengthen damaged masonry structures. This study investigated the testing of masonry wall specimens produced from different kinds of mas

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Dizhur, Dmytro, Marta Giaretton, and Jason Ingham. "Performance of early masonry, cob and concrete buildings in the 14 November 2016 Kaikoura earthquake." Bulletin of the New Zealand Society for Earthquake Engineering 50, no. 2 (2017): 194–205. http://dx.doi.org/10.5459/bnzsee.50.2.194-205.

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The performance of historic buildings during the 14 November 2016 Mw7.8 Kaikoura, New Zealand earthquake is reported, focusing on early stone and clay brick masonry buildings, vintage concrete structures, cob cottages, and the non-structural masonry chimneys and veneers of buildings located in the upper part of the South Island (Marlborough and North Canterbury regions). To better document structural response, the intensity of horizontal and vertical ground motion from the nearest recording station is graphically placed alongside the assessed level of damage. In response to numerous strong ear

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Tomar, Anshu, Dilip Kumar Paul, and Pankaj Agarwal. "Compression and Cyclic Shear Behavior of Lime Mortar Brick Masonry." Journal of Earthquake and Tsunami 11, no. 05 (2017): 1750015. http://dx.doi.org/10.1142/s1793431117500154.

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Most of the British regime engineered heritage brick masonry in northern India is either purely in lime mortar or in lime-surkhi (crushed brick aggregate) mortar. Lime mortar constituting majorly of historical brick masonry stock and influences substantially the dynamic characteristics was investigated. The heritage buildings are highly vulnerable against seismic actions especially in the highly active tectonic regions of Himalayan foothills. Material properties of Historic Unreinforced Brick Masonry (HUBM) in lime mortar are critical to be evaluated for assessment but it is difficult to test

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Zhou, Xiao Hong. "Axial Compression Behavior of Masonry Prisms Considering the Influence of Mortar." Advanced Materials Research 884-885 (January 2014): 641–44. http://dx.doi.org/10.4028/www.scientific.net/amr.884-885.641.

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As one of most widely used structure, the behavior of masonry is influenced by its composition especially the mortar. In this paper, a series of compression tests was carried on masonry both with mortar (MP_m) and without mortar (MP_ds). Based on the results, the ultimate compression strength and elastic modulus has been compared firstly; after that, the failure mode of each prism was achieved, finally a finite element model was built for the numerical analysis on MP_ds. Results showed that compared with the MP_m, the elastic modulus of MP_ds has been reduced 30% which means the erosion of mor

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García-Macías, Enrique, Alban Kita, and Filippo Ubertini. "Synergistic application of operational modal analysis and ambient noise deconvolution interferometry for structural and damage identification in historic masonry structures: three case studies of Italian architectural heritage." Structural Health Monitoring 19, no. 4 (2019): 1250–72. http://dx.doi.org/10.1177/1475921719881450.

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Conservation techniques within the framework of structural health monitoring, particularly through dynamic measurements and operational modal analysis, are becoming popular for condition-based maintenance and decision-making in historic structures. Nonetheless, while effective for giving insight into the overall behaviour of structures, these techniques may fail at detecting local damages with limited effects on the modal features of the system. In this regard, the analysis of propagating waves throughout the structure poses an attractive alternative for data-driven damage identification. Spec

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Lourenco, Paulo, and Georgios Karanikoloudis. "Seismic behavior and assessment of masonry heritage structures. Needs in engineering judgement and education." RILEM Technical Letters 3 (March 7, 2019): 114–20. http://dx.doi.org/10.21809/rilemtechlett.2018.76.

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Built cultural heritage is at risk due to manmade and natural hazards. The seismic vulnerability of ancient masonry buildings is particularly difficult to assess and requires specialized technical skills. Key aspects are the materials properties and nonlinear effects, the morphology of the structural elements, the connections between structural elements, the stiffness of horizontal diaphragms and the building condition. This paper addresses the holistic approach recommended for the structural assessment of historic masonry buildings and the developments in the areas of inspection, diagnosis, m

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Savini, Francesca, Carlo Rainieri, Giovanni Fabbrocino, and Ilaria Trizio. "Applications of Stratigraphic Analysis to Enhance the Inspection and Structural Characterization of Historic Bridges." Infrastructures 6, no. 1 (2021): 7. http://dx.doi.org/10.3390/infrastructures6010007.

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Road networks are disseminated of bridge structures whose typology reflects the time of design and construction of the transportation infrastructure and its relevance in the reference geographical area. Among others, masonry bridges are still widely operational, especially in those regions affected by a limited urbanization and a very high landscape value. As a consequence, the maintenance and the reliability of existing structures is a key issue for owners and managers of road and railway infrastructures. This circumstance leads to the development of an integrated approach able to cover the n

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Milani, Gabriele. "Editorial - New Trends in the Numerical Analysis of Masonry Structures." Open Civil Engineering Journal 6, no. 1 (2012): 119–20. http://dx.doi.org/10.2174/1874149501206010119.

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The Special Issue of The Open Civil Engineering Journal entitled “New trends in the numerical analysis of masonry structures” provides an insight into the most up-to-date nu-merical techniques used at academic and professional level to perform advanced structuralanalyses on masonry struc-tures. Masonry is a building material that has been used for more than ten thousand years. In many countries, masonry structures still amount to 30–50%of the new housing devel-opments. Also, most structures built before the 19th century and still surviving are built with masonry. Masonry is usu-ally described

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