Failure analysis of the collapse of a raised steel wine tank

Ivorra, Salvador; Torres, Benjamín; Estevan, Luis; Piqueras, José Manuel

doi:10.1016/j.engfailanal.2022.106767

Cited by 2 publications

(1 citation statement)

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“…For example, in [8], the dynamic analysis of the structure was carried out using the SSI-Cov algorithm. The method begins with a pre-processing stage, in which the correlation matrix of the received signals is determined using the so-called "Welch estimate" or periodogram approximation.…”

Section: Introductionmentioning

confidence: 99%

The current state of the problem of numerical investigation of metal structure refusal based on dynamic monitoring

Vabishchevych,

Dedov,

Savchuk

2024

OMTC

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The article considers the critical role of long-term dynamic monitoring of building structures in ensuring their safety and stability. The importance of studying the structural behavior of truss structures after local failures is emphasized, which is key to the development of effective monitoring methods. The value of vertical deflections and modal frequencies as indicators of the general behavior of structures is pointed out, as well as the high costs associated with traditional monitoring methods requiring a large number of sensors. It is also emphasized that modern engineering practice does not have universal monitoring methods that would take into account all the features of construction structures, especially spatial structures with a complex design and a variety of elements. Authors calls for the development of new approaches and technologies to improve risk monitoring and management, which can prevent catastrophic consequences, as was the case with Viadotto Polchevera and other structural collapses. Attention is also drawn to current research that uses dynamic monitoring to inform the design of civil structures, including updating finite element models based on measured in-service performance. It is highlighted that long-term monitoring can provide valuable information about structural behavior, which allows for a better assessment of the condition of the structure and the prediction of potential defects. It is emphasized that a local failure can lead to the progressive destruction of the entire structure, which makes monitoring extremely important to prevent such incidents. The article concludes with conclusions about the need to establish management and maintenance procedures to maximize the life cycle of structures and obtain optimal return on investment.

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Section: Introductionmentioning

confidence: 99%