Correlation between sonic pulse velocity and flat-jack tests for the estimation of the elastic properties of unreinforced brick masonry: Case studies from Croatia

Ortega, Javier; Stepinac, Mislav; Lulić, Luka; García, Marieta Núñez; Saloustros, Savvas; Aranha, Chrysl; Greco, Federica

doi:10.1016/j.cscm.2023.e02467

Cited by 2 publications

(2 citation statements)

References 48 publications

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“…The results show that the quality of the masonry is relatively good, as the values obtained are within the expected range for buildings from this period of construction. Further non-destructive testing methods [29,30] can be used to validate the results. For example, in determining the modulus of elasticity, the sonic method has proven to be potentially useful.…”

Section: In-situ Testsmentioning

confidence: 99%

The Assessment and Retrofitting of Cultural Heritage—A Case Study of a Residential Building in Glina

Ožić

Markić²,

Moretić

et al. 2023

Buildings

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The focus of the study is on the renovation of a specific case study, which is a 19th century building under cultural heritage protection. It highlights the particular challenges faced by civil engineers in the structural renovation of buildings that are under heritage protection. Preserving the identity of these buildings limits the available methods for strengthening their seismic capacity. At the beginning, information about the seismic activity and the different post-earthquake evaluation procedures are presented to identify the damage and take appropriate further steps. Then, basic information about the building is given and supported by graphic attachments. In the following, the methods and materials are explained, focusing on in situ testing with the semi-destructive flat-jack method and the analysis of the structure with the nonlinear method implemented in the software. Subsequently, the obtained results are presented and discussed, accompanied by graphics. An approach for strengthening the structure is presented, which includes a combination of traditional methods and innovative solutions suitable for the preservation of cultural heritage. The discussion and conclusions emphasize the importance of assessing and retrofitting existing masonry structures due to their vulnerability, especially in earthquake-prone areas. Finally, this article also provides insights into the local context, cultural significance, and historical background of the building, along with the specific retrofitting solutions employed to address its unique requirements.

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Section: In-situ Testsmentioning

confidence: 99%

The Assessment and Retrofitting of Cultural Heritage—A Case Study of a Residential Building in Glina

Ožić

Markić²,

Moretić

et al. 2023

Buildings

Self Cite

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show abstract

“…Common semi-destructive methods are flat-jacks, shear tests, compression tests and core sampling. Some of the mentioned methods are explained in more detail in the following papers [14,15]. The typical in-plane failure modes used in this research as well as out-of-plane failure modes of URM walls, are explained in more detail in [16,17].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Existing Masonry Resistance Using Partial Factors Approaches and Field Measurements

Lulić,

Lukačević,

Skejić

et al. 2023

Buildings

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The vast majority of existing structures in Croatia, as well as in other European countries, are made of unreinforced masonry. The seemingly ideal building material presents a great challenge for engineers in earthquake-prone zones. Given that structural failure can have significant consequences in terms of loss of human lives as well as financial losses, a comprehensive structural reliability assessment is needed. Old existing masonry structures often do not have design documentation, and even when they do, the initial mechanical properties have almost certainly degraded over time. That is why in situ testing is of great importance, but masonry is also characterized by a large scattering of results. After recent severe earthquakes in Croatia, more than ever, there is a need for a more reliable assessment of existing masonry structures. This paper presents reliability approaches for resistance evaluation of existing masonry in a real case study where basic failure modes of the masonry were observed. First, the data recommended in standards were used, followed by the updated data obtained from the flat-jack test. Finally, the design value method (DVM) and the adjusted partial factor method (APFM) were used. These methods align with Eurocode standards for new structures but are also adaptable for the assessment of existing structures. Differences in the results between the existing and the new version of the standard were observed, as well as an increase in the obtained resistances with an increase in the complexity of the methods used. Also, the influence of in situ testing proved to be an important factor in the analysis.

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Correlation between sonic pulse velocity and flat-jack tests for the estimation of the elastic properties of unreinforced brick masonry: Case studies from Croatia

Cited by 2 publications

References 48 publications

The Assessment and Retrofitting of Cultural Heritage—A Case Study of a Residential Building in Glina

The Assessment and Retrofitting of Cultural Heritage—A Case Study of a Residential Building in Glina

Assessment of Existing Masonry Resistance Using Partial Factors Approaches and Field Measurements

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