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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 - a FWD impact device (for evaluating the bearing capacity of roadways) and a GPR georadar (for determining the thickness of structural layers, to identify inhomogeneities, hidden defects and faults) during the diagnostic survey of roadways. It draws attention to the benefits that result from the processing of data measured by both devices and their use in the creation of homogeneous sections, which serve as a basis for planning maintenance, repairs and reconstruction of roadways.

The aim of the methodology is to state:

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

This methodology was developed with the state support of the Technology Agency of the Czech Republic as part of the Center of Competence program, CESTI project (TE01020168: Center for efficient and sustainable transport infrastructure, working group WP6: Safety, reliability and diagnosis of structures).

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Detail

Autor

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

Obsah

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

Dedikace

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

Tiráž

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