Port Infrastructure Control (Madeira Island, Portugal) through a Hybrid Monitoring System (GNSS and Accelerometers)

Autor: Ana Cláudia Teodoro, Fernando Veloso-Gomes, Mário Pereira, J. N. Lima, Sérgio Oliveira
Rok vydání: 2015
Předmět:
Zdroj: Marine Georesources & Geotechnology. 34:617-629
ISSN: 1521-0618
1064-119X
DOI: 10.1080/1064119x.2015.1054009
Popis: This article describes the implementation of a monitoring system on the breakwater at the Funchal Port (Madeira Island, Portugal) for the purpose of understanding its dynamic behavior and the temporal evolution of structural health. The monitoring system focuses on the breakwater superstructure and aims to identify the evolution of damage on the breakwater and analyze the impact of cruise ships docking and undocking. The system includes the measurement of displacements through geodetic techniques using global navigation satellite systems and the measurement of vibrations using accelerometers. Ten observation campaigns were performed over almost 3 years. As the measured displacements during this period were less than 7.5 mm it can be concluded that, despite some visible cracks, the breakwater superstructure did not suffer significant structural changes. It was shown from the measured acceleration records that some of the main modal parameters could be identified, namely the main natural frequencies of the ...
Databáze: OpenAIRE