Measuring strain distributions in an asphalt pavement using fibre optic sensors under static loading by test vehicles
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Date
2025
Publication Type
Journal Article
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Abstract
Understanding the in-situ structural behaviour of pavements plays an important role in road engineering. Hence, various measurement methods were developed in the past to get an insight into the response of roads to traffic loading. In the present study, distributed fibre optic strain sensors were embedded into a hot mix asphalt pavement. The sensors were used for strain measurements with high spatial resolution in order to assess its feasibility to gain the continuous strain distribution in the pavement under short-term static loading. In addition, the loading process was measured with high temporal resolution, indicating that - using shorter sensor lengths - vehicle passages could also be studied. The strain distributions gathered with this type of sensor were compared to the results of a simple finite element model and the effect of applying various sensor cables. In addition, new opportunities provided by distributed fibre optic sensors in road engineering are discussed.
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published
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Journal / series
Volume
26 (5)
Pages / Article No.
1023 - 1040
Publisher
Taylor & Francis
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Edition / version
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Software
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Date collected
Date created
Subject
Fibre optic sensors; distributed strain sensing; pavement monitoring; traffic loading
Organisational unit
03691 - Puzrin, Alexander / Puzrin, Alexander