Corrosion monitoring system for a reinforced concrete transit tunnel

Authors
Galimberti, P Gaddi, F Alberizzi, M Lazzari, L
Citation
P. Galimberti et al., Corrosion monitoring system for a reinforced concrete transit tunnel, MATER PERF, 38(3), 1999, pp. 26-31
Citations number
17
Categorie Soggetti
Material Science & Engineering
Journal title
MATERIALS PERFORMANCE
ISSN journal
00941492 → ACNP
Volume
38
Issue
3
Year of publication
1999
Pages
26 - 31
Database
ISI
SICI code
0094-1492(199903)38:3<26:CMSFAR>2.0.ZU;2-X
Abstract
An integrated monitoring system was installed in a reinforced concrete tran sit tunnel where stray direct current corrosion was expected. The 9-km tunn el was divided into insulated 300-m long sections, each monitored by refere nce electrodes for potential and current flowing within the concrete. All r eadings were collected in a centralized data acquisition system for interpr etation and storing. The results obtained during commissioning and early op eration are discussed.