Decision support method to systematically evaluate first-level inspections of the functional status of check dams

Vivian Juliette Cortes Arevalo, S. Sterlacchini, T. Bogaard, S. Junier, N. van de Giesen

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
55 Downloads (Pure)

Abstract

First-level inspections could be provided by skilled volunteers or technicians to pre-screen the functional status of check dams. This paper discusses the design and testing of a support method in collaboration with the responsible technicians in evaluating inspection reports. Reports are based on linguistic rating scales that are systematically aggregated into indices by means of a multi-criteria TOPSIS method with fuzzy terms. The aggregation procedure is carried out for three parameters representing the structure’s status while highlighting any lack of completeness of inspection reports. The method was evaluated using inspection reports collected during a workshop in the Fella basin in the Italian Alps. The method allows the responsible technicians to set rules to categorise the aggregated indices in one of three levels, each corresponding with a course of action. Rules were useful to categorise the aggregated indices according to the structure’s status. Disagreements on rating defects suggest that a weighted aggregation procedure to calculate the indices might lead to overestimating or underestimating defects. Complementary data from historical inspections or remote sensing are required to initiate specific actions. The method can be applied to pre-screen different types of hydraulic structures after adaptation to the local conditions and functional requirements.
Original languageEnglish
Pages (from-to)1487-1504
JournalStructure and infrastructure engineering
Volume12
Issue number11
DOIs
Publication statusPublished - 29 Feb 2016
Externally publishedYes

Fingerprint

Dams
Inspection
dam
defect
Agglomeration
Hydraulic structures
Defects
hydraulic structure
Linguistics
Remote sensing
method
decision
inspection
Decision support
Functional status
remote sensing
index
Testing
basin

Keywords

  • METIS-314423
  • IR-100690

Cite this

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abstract = "First-level inspections could be provided by skilled volunteers or technicians to pre-screen the functional status of check dams. This paper discusses the design and testing of a support method in collaboration with the responsible technicians in evaluating inspection reports. Reports are based on linguistic rating scales that are systematically aggregated into indices by means of a multi-criteria TOPSIS method with fuzzy terms. The aggregation procedure is carried out for three parameters representing the structure’s status while highlighting any lack of completeness of inspection reports. The method was evaluated using inspection reports collected during a workshop in the Fella basin in the Italian Alps. The method allows the responsible technicians to set rules to categorise the aggregated indices in one of three levels, each corresponding with a course of action. Rules were useful to categorise the aggregated indices according to the structure’s status. Disagreements on rating defects suggest that a weighted aggregation procedure to calculate the indices might lead to overestimating or underestimating defects. Complementary data from historical inspections or remote sensing are required to initiate specific actions. The method can be applied to pre-screen different types of hydraulic structures after adaptation to the local conditions and functional requirements.",
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Decision support method to systematically evaluate first-level inspections of the functional status of check dams. / Cortes Arevalo, Vivian Juliette; Sterlacchini, S.; Bogaard, T.; Junier, S.; van de Giesen, N.

In: Structure and infrastructure engineering, Vol. 12, No. 11, 29.02.2016, p. 1487-1504.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - van de Giesen, N.

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