Marius Mosoarca, Valeriu Stoian, Margareta Florea, Marius Niculescu, Marius Palade, Valeriu Stoian
{"title":"Preserving Historic Bearing Structures by Prudent Integration in New Structures","authors":"Marius Mosoarca, Valeriu Stoian, Margareta Florea, Marius Niculescu, Marius Palade, Valeriu Stoian","doi":"10.23967/sahc.2021.194","DOIUrl":"https://doi.org/10.23967/sahc.2021.194","url":null,"abstract":". For the effective consolidation of damaged historic load-bearing structures, it is necessary for the designer to understand the causes of the damage but also to know and apply the most effective consolidation methods, in order not to affect the cultural value of the building. The problem becomes even more complex for the designer when it is desired only to keep a damaged area of a historic building, which was part of an aggregate of historic buildings. Keeping this area is needed because buildings have been seismically interacting over the past 150 years, and it is necessary to maintain the static equilibrium of the building aggregate. In most cases, in order to safeguard a damaged historic building, is achieved by consolidating the structural elements composing the building, resulting in extensive consolidation areas, long construction periods and expensive and hard to implement solutions. Additionally, it is challenging to predict the response of the building over time to various actions without continuous monitoring, which is difficult to achieve, because of the disturbance on building occupants. The paper presents an alternative solution of safeguarding interventions on a historic building, damaged by settlement and earthquakes, through its prudent connection","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129923823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. Prieto-Vicioso, L. Ruiz-Valero, V. Flores-Sasso
{"title":"Thermal Behavior Assessment of Two Types of Roofs of the Dominican Vernacular Housing","authors":"E. Prieto-Vicioso, L. Ruiz-Valero, V. Flores-Sasso","doi":"10.23967/sahc.2021.303","DOIUrl":"https://doi.org/10.23967/sahc.2021.303","url":null,"abstract":"","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130048747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"From Art to Science of Construction: the Permanence of Proportional Rules in the “Strange Case” of the 19th Century Ponte Taro Bridge (Parma, Italy)","authors":"F. Ottoni, V. Braglia, E. Coïsson, L. Ferrari","doi":"10.23967/sahc.2021.116","DOIUrl":"https://doi.org/10.23967/sahc.2021.116","url":null,"abstract":". The bridge commissioned by Maria Luigia to Eng. Antonio Cocconcelli and built between 1816 and 1821 over the Taro River (near Parma, Northern Italy), is a very important monument, both from a cultural and strategic point of view. This 20 arches masonry bridge reaches the length of nearly 600 meters and constitutes a very interesting case study, not only for the technical and structural issues related to its restoration and use (with increased traffic loads) but also for the role that geometry played in its history and stability. In this paper, a compared analysis on the historical ‘proportional theory’ and the constructive features of this ancient bridge is proposed with the final aim to show the importance of recovering “empiricism” in dealing with ancient monuments. Thanks to a high precision survey the realized structure has been compared to the original project, in order to detect the deformations suffered by the structure in time, thus applying the “historical monitoring” procedure to the monument. Hence, starting from the dimensional theory, a static analysis of the bridge is proposed by means of Mery’s graphic method, in order to investigate the structural safety level of the original project, also considering the current load conditions. A comparison with the static results obtained by means of limit analysis, finally shows the validity of ancient proportional theory, which can constitute a first qualitative method for structural validation of ancient masonry structures","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121130839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
C. Baggio, V. Sabbatini, S. Santini, C. Sebastiani, V. Fioriti, I. Roselli, A. Colucci, F. Saitta, S. Forliti
{"title":"Dynamic Identification of the So-Called Temple of Minerva Medica: Comparison of Different Instrumentations and Methods for Mutual Validation of the Results","authors":"C. Baggio, V. Sabbatini, S. Santini, C. Sebastiani, V. Fioriti, I. Roselli, A. Colucci, F. Saitta, S. Forliti","doi":"10.23967/sahc.2021.085","DOIUrl":"https://doi.org/10.23967/sahc.2021.085","url":null,"abstract":"Dynamic monitoring is a well consolidated technique used to gain information on the global health of the constructions. In particular, ambient vibration test achieved important results in the dynamic characterization of modal parameters. Several techniques and instrumentations are available nowadays, the mutual validation between different modal analysis techniques is an important procedure to assess the reliability of results. In the present paper the ambient vibration tests performed on the so-called Temple of Minerva Medica in Rome considering different techniques and instrumentations will be described and compared. The Temple of Minerva Medica is a ruined decagonal nymphaeum in opus latericium that dates to the 4th century AD, nowadays the construction is placed in a critical location between the main central train station (Roma Termini) and the local tram way. Several ambient vibration data were acquired during different campaigns [1] to characterize the effects of the vibrations and the modal parameters of the structure. The instrumentation used comprised several seismographs equipped with triaxial velocimeters, piezoelectric and capacitive accelerometers. A variety of techniques were applied to process the acquired vibration data in order to extract the modal parameters of the studied structure including FRF, FDD, EFDD, SSI, HVSR, motion magnification analysis, complex modal models and PolyMAX. The variance of the modal parameters obtained by each different technique was considered to provide indications on the reliability of the average values.","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"196 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116311748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Experimental Campaign on the Use of the Flat Jack Test in Cob Walls","authors":"A. Rios, M. Grimes, D. O’Dwyer","doi":"10.23967/sahc.2021.099","DOIUrl":"https://doi.org/10.23967/sahc.2021.099","url":null,"abstract":". The flat jack test is one of the most used investigation techniques in the area of architectural heritage conservation. Unfortunately, there are no results available in the literature reporting the use of the flat jack technique in cob walls. This paper presents the firs experimental campaign performed to validate the use of this Minor Destructive Technique (MDT) to determine the levels of stress in cob walls and their mechanical properties. Furthermore, three workshops organized and facilitated with the aim of increasing public engagement and awareness towards the conservation of earthen vernacular architecture are also presented.","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"390 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126742555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maria Laura De Bellis, Vincenzo Sepe, Marcello Vasta
{"title":"Influence of the Spatial Variability of Joints Characteristics on the Elastic Properties of Masonry","authors":"Maria Laura De Bellis, Vincenzo Sepe, Marcello Vasta","doi":"10.23967/sahc.2021.133","DOIUrl":"https://doi.org/10.23967/sahc.2021.133","url":null,"abstract":". Brick masonry is a multicomponent composite material, characterized by a marked inhomogeneity, a highly anisotropic behavior arising from the complex interactions between joints and bricks, and a considerable spatial variability of material properties, particularly relevant in the case of historical masonries. The focus of this paper is on the interdependence between the spatial variability of mechanical properties of joints and the overall homogenized response of a given volume element of masonry. It is assumed that mechanical properties of bed joints may vary according to a fixed probability distribution and correlation function and the mechanical response of the volume element is investigated in terms of the overall elastic stiffness. As confirmed by preliminary results, the spatial variability of the mechanical properties may affect the overall response of a masonry wall.","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127954009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Foundation Development from 1890-1942 for Long Span and High Rise Buildings at Mexico City","authors":"P. Ana, L. Ana, J. Baez","doi":"10.23967/sahc.2021.115","DOIUrl":"https://doi.org/10.23967/sahc.2021.115","url":null,"abstract":"","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127955168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Iron and Steel Construction Workshops in 19th and early 20th century Belgium: Retrieving their Oeuvre via Trade Catalogues","authors":"I. Wouters, R. Wibaut","doi":"10.23967/sahc.2021.142","DOIUrl":"https://doi.org/10.23967/sahc.2021.142","url":null,"abstract":"","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128935586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Towards a Digital Architectural Heritage Knowledge Management Platform: Producing the HBIM Model of Bait al Naboodah in Sharjah, UAE","authors":"R. Sabri, S. Abdalla, M. Rashid","doi":"10.23967/sahc.2021.306","DOIUrl":"https://doi.org/10.23967/sahc.2021.306","url":null,"abstract":"","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132410264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Proposal for a Time-Dependent Dynamic Identification Algorithm for Structural Health Monitoring","authors":"M. Hormazábal, M. Masciotta, D. Oliveira","doi":"10.23967/sahc.2021.196","DOIUrl":"https://doi.org/10.23967/sahc.2021.196","url":null,"abstract":". This paper describes the design, test and validation processes of a dynamic identification algorithm aimed at the time-dependent assessment of modern structures and heritage buildings for civil and seismic engineering purposes. Full validation of the algorithm is performed through analysis of numerically simulated data from an idealized masonry tower. Making use of output-only vibration measurements, the non-parametric algorithm can generate dynamic features results as time-dependent functions for the complete observation period. The algorithm can work in the presence of different dynamic loads and non-linear structural behaviours, close spectral frequency components and noise-contaminated data. Time-dependent structural dynamic parameters that can be computed are modal frequencies, modal displacements, modal curvatures, and higher derivatives of mode shapes. The proposed algorithm aims to be used as the core estimator of time-dependent identification methods devoted to the health monitoring of structures and infrastructures, being suitable for a multitude of tasks ranging from the simple operational modal analysis (in pre and post-event condition) to the complex online assessment of the structural response during seismic events for rapid damage identification.","PeriodicalId":176260,"journal":{"name":"12th International Conference on Structural Analysis of Historical Constructions","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132680287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}