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

• Type: Article in International Scientific Journal
• Date: 2016

Authors

Mário Pereira (Author) Other; Ana Cláudia Teodoro (Author) FCUP; Fernando Veloso-Gomes (Author) FEUP; José Lima (Author) Other; Sérgio Oliveira (Author) Other

Journal

Title: MARINE GEORESOURCES & GEOTECHNOLOGY

ISSN: 1064-119X

Indexing

ISI Web of Knowledge - 6 Citations

ISI Web of Science

Scopus - 6 Citations

Scientific classification

FOS: Engineering and technology

CORDIS: Technological sciences > Technology

Other information

Authenticus ID: P-00P-CR1

DOI: 10.1080/1064119X.2015.1054009

Abstract (EN): This paper 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 (GNSS) and the measurement of vibrations using accelerometers. Ten observation campaigns were performed over almost three 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 superstructure. Through an analysis of the natural frequencies progression over time it will be possible to identify deterioration effects on the foundation and/or the superstructure. The comparison of natural frequencies identified could be useful in order to evaluate the impact of these events on structural health.

Language: English

Type (Professor's evaluation): Scientific