Coupled procedure for elastic modulus and damping ratio measurement on pavement subgrade structures using surface wave method

Sri Atmaja P Rosyidi, Mohd. Raihan Taha

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Limited financial capability of governments for road rehabilitation in developed countries and technical constraints of laboratory tests in assessing pavement quality highlight the need to develop an innovative technique in pavement evaluation. The performance of the Spectral-Analysis-of-Surface-Wave (SASW) method to evaluate the dynamic parameters on the existing road pavements is presented herein. The aim of this paper is to propose a coupled analyses procedure for calculating elastic modulus and damping ratio of soil subgrade layer in pavement. The dynamic elastic modulus was obtained from the shear wave velocity produced from the inversion of an experimental dispersion curve. To validate the modulus obtained from the SASW method, the falling weight deflectometer (FWD) test was used to determine the subgrade modulus at same sites. In this study, a damping ratio of soil layer was also obtained using attenuation coefficient from the modified Bornitz equation. Good agreements were also obtained between the attenuation coefficients from this study and previous studies. The SASW method is able to characterize adequately the in-situ pavement stiffness which can be potentially developed as an innovative evaluation device.

Original languageEnglish
Title of host publicationGeotechnical Special Publication
Pages66-73
Number of pages8
Edition215 GSP
DOIs
Publication statusPublished - 2011
Event2011 GeoHunan International Conference - Contemporary Topics on Testing, Modeling, and Case Studies of Geomaterials, Pavements, and Tunnels - Hunan
Duration: 9 Jun 201111 Jun 2011

Other

Other2011 GeoHunan International Conference - Contemporary Topics on Testing, Modeling, and Case Studies of Geomaterials, Pavements, and Tunnels
CityHunan
Period9/6/1111/6/11

Fingerprint

subgrade
elastic modulus
pavement
Pavements
Surface waves
surface wave
damping
Damping
Elastic moduli
Spectrum analysis
spectral analysis
road
Soils
Shear waves
Patient rehabilitation
wave velocity
stiffness
S-wave
Stiffness
method

Keywords

  • Damping
  • Pavements
  • Rehabilitation
  • Subgrades
  • Surface waves

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Civil and Structural Engineering
  • Building and Construction
  • Architecture

Cite this

Coupled procedure for elastic modulus and damping ratio measurement on pavement subgrade structures using surface wave method. / Rosyidi, Sri Atmaja P; Taha, Mohd. Raihan.

Geotechnical Special Publication. 215 GSP. ed. 2011. p. 66-73.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rosyidi, SAP & Taha, MR 2011, Coupled procedure for elastic modulus and damping ratio measurement on pavement subgrade structures using surface wave method. in Geotechnical Special Publication. 215 GSP edn, pp. 66-73, 2011 GeoHunan International Conference - Contemporary Topics on Testing, Modeling, and Case Studies of Geomaterials, Pavements, and Tunnels, Hunan, 9/6/11. https://doi.org/10.1061/47626(405)9
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