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Quality Control of the Anchoring of Steel Bridge Barriers by Non-Destructive Testing

Faculty of Civil Engineering, Brno University of Technology, Veveří 331/95, 602 00 Brno, Czech Republic
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Received: 8 October 2019 / Revised: 20 November 2019 / Accepted: 30 December 2019 / Published: 7 January 2020
(This article belongs to the Special Issue Design for Transport Safety)
Traffic barriers represent one of the basic road safety features. There are several types of traffic barriers based on the material from which they are made of and their location. Bridge structures are usually fitted with steel barriers. A steel barrier is, in fact, a relatively complex system linking individual steel elements, which, as a whole, has to meet the requirements given by normative regulations. In order for the steel barriers to fulfill their function and prevent the catastrophic consequences of traffic accidents, it is absolutely necessary to ensure their correct installation on the bridge structure. It seemed until recently that carrying out quality inspections of steel barriers installation, i.e., their anchoring into the concrete ledges, was a relatively complicated time- and money-consuming process, and that is why inspections of the correct anchoring installation in new or existing barriers were not carried out as standard. This paper thoroughly describes in detail the non-destructive ultrasonic pulse method, with which the anchoring of steel barriers on selected bridge structures is being checked. From the measurements and statistical evaluation of the results, it is apparent that carrying out inspections of the anchoring of these road safety features should be considered routine, and at the same time, the inspection of anchoring quality should be required by law in order to ensure the safety of road traffic. View Full-Text
Keywords: ultrasonic testing; anchor; steel bridge barriers; length of anchoring ultrasonic testing; anchor; steel bridge barriers; length of anchoring
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Komárková, T.; Láník, J.; Ondřej, A. Quality Control of the Anchoring of Steel Bridge Barriers by Non-Destructive Testing. Safety 2020, 6, 2.

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