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Road condition assessment methodology using a combination of FWD impact device and ground-penetrating radar

Road condition assessment methodology using a combination of FWD impact device and ground-penetrating radar

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The methodology describes how to proceed when using a combination of two non-destructive diagnostic devices - the FWD impact device (for assessing the bearing capacity of pavements) and the GPR ground-penetrating radar (for determining the thickness of structural layers, for identifying inhomogeneities, hidden defects and failures) in the diagnostic survey of road pavements. It draws attention to the benefits that arise from processing data measured by both devices and their use in creating homogeneous sections, which serve as a basis for planning maintenance, repairs and reconstruction of pavements.

The aim of the methodology is to state:

  • principles for applying the combination of FWD impact device and GPR,
  • the procedure for using a combination of these two non-destructive diagnostic methods,
  • clarification of the procedure for creating homogeneous sections,
  • specific examples where a combination of these devices is used.
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Detail

Author

  • Stryk J.
  • Březina I.
  • Matula R.
  • Grošek J.
  • Janků M.

Content

1. INTRODUCTION
1.1 Objective of the methodology
1.2 Solved research project

2. OWN DESCRIPTION OF THE METHODOLOGY
2.1 Road diagnostic survey
2.2 FWD shock device
2.3 GPR
2.4 FWD and GPR measurement procedure
2.5 Examples of application of the combination of FWD and GPR
2.6 Creation of homogeneous sections

3. NOVELTY OF PROCEDURES, METHOD OF APPLICATION AND ECONOMIC ASPECTS
3.1 Comparison of the novelty of procedures
3.2 Description of the application of the certified methodology
3.3 Economic aspects

Dedication

This methodology was co-financed with the state support of the Technology Agency of the Czech Republic as part of the Center of Competence Program, within the framework of project TE01020168 – Center for Efficient and Sustainable Transport Infrastructure (CESTI).
www.tacr.cz

Colophon

ISBN 978-80-88074-31-1
Release year: 2019

Year of publication

2019