Wireless long-term monitoring of asphalt layer on a motorway bridge and comparative testing of displacement

S. A. Bachmaier, A. Gordt, S. Jungmann, M. Krüger

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in Buch/BerichtBegutachtung


Monitoring of civil structures is a growing application in nondestructive testing. Wireless systems supersede wired systems mainly by being easily deployable under various local structural conditions. The vast majority of today's existing structures are not equipped with monitoring systems by design. Wireless systems can still be installed as a retro fit. In the demonstration project described here, a 1350 m long motorway bridge over the Neckar River near Heilbronn, Baden-Württemberg, Germany was equipped with ambient and material temperature sensors as well as humidity sensors. The test setup is described in detail and interpretation of the data from initial measurements is provided. Furthermore, an assessment of the wireless monitoring system is presented, giving information about the packet drop rate, radio frequency calculations and wide-area network connectivity.

TitelNondestructive Testing of Materials and Structures
UntertitelProceedings of NDTMS-2011, Istanbul, Turkey,May 15-18, 2011
PublikationsstatusVeröffentlicht - 1 Dez 2012
Extern publiziertJa


NameRILEM Bookseries
ISSN (Print)2211-0844
ISSN (elektronisch)2211-0852

ASJC Scopus subject areas

  • Tief- und Ingenieurbau
  • Bauwesen
  • Werkstoffmechanik


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