GPR Investigations to Assess the State of Damage of a Concrete Water Tunnel-Reference-Cited by-同舟云学术

GPR Investigations to Assess the State of Damage of a Concrete Water Tunnel

Published:2012-09 Issue:3 Volume:17 Page:159-169
ISSN:1083-1363
Container-title:Journal of Environmental and Engineering Geophysics
language:en
Short-container-title:JEEG

Author:

Arosio Diego¹,Munda Stefano¹,Zanzi Luigi¹,Longoni Laura²,Papini Monica²

Affiliation:

1. Dip. di Ing. Strutturale, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy

2. Dip. di Ing. Idraulica, Ambientale, Infrastrutture Viarie, Rilevamento, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy

Abstract

Erosional voids developing around concrete-lined tunnels can compromise the safety of the surrounding areas, as well as of the tunnels themselves. In this study, ground penetrating radar (GPR) was used to assess the condition of a water tunnel built to channel a river under a mountain road. The tunnel is lined with 60–80 cm thick concrete and has a semicircular cross-section with a diameter that varies between 3 m and 4 m. The concrete structure has been damaged from erosion beneath the concrete floor, creating a sequence of pools and waterfalls, which further extend the erosive action below the floor and side walls.

Publisher

Environmental and Engineering Geophysical Society

Subject

Geophysics,Geotechnical Engineering and Engineering Geology,Environmental Engineering

Reference24 articles.

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