EMISSION OF SOUND DUE TO STRESSES AND DEFORMATIONS IN SOIL

EMISSIONS ACOUSTIQUES DUES AUX CONTRAINTES ET DEFORMATIONS DANS LES SOLS

OFTEN WITH THE DEFORMATION OF A MATERIAL SUBJECTED TO STRESSES THE ELASTIC WAVES ARE EMITTED FROM WITHIN THE MATERIAL. THE MEASUREMENT OF THESE WAVES IS POSSIBLE WITH A MECANO-ELECTRICAL SENSOR AND SIGNAL PROCESSING CHAIN. THE COUNTING AND ANALYSIS OF ACOUSTIC EMISSION ENABLES THE STATE OF EQUILIBRIUM OF THE SYSTEM TO BE EVALUATED. SOUND EMISSION IN SOIL HAS NOT BEEN STUDIED OFTEN UP TO THE PRESENT TIME. IT IS ENVISAGED TO CONDUCT A BIBLIOGRAPHIC ANALYSIS OF THE WORK ALREADY CARRIED OUT IN THIS FIELD, TO CONDUCT PRELIMINARY LABORATORY TESTS WITH WELL ADAPTED APPARATUS BY VARYING STRESSES ON SOIL SAMPLES SUBJECTED TO TRIAXIAL TESTS AND MEASURING SOUND EMISSION PERMANENTLY.

Language

• French

Project

• Status: Terminated
• Contract Numbers:

  ITRD 218-201

• Project Managers:

  DAVIS, A

• Performing Organizations:

  CENTRE EXPERIMENTAL D'ETUDES ET DE RECHERCHES DU BATIMENT ET DES TRAVAUX PUBLICS (BUILDING AND PUBLIC WORK RESEARCH CENTRE)

  RUE BRANCION 12
  PARIS CEDEX 15,   France  F-75737
• Start Date: 19780000
• Expected Completion Date: 0
• Actual Completion Date: 0
• Source Data: ITRD F501252

Subject/Index Terms

• TRT Terms: Deformation; Embankments; Foundations; Ground settlement; Measurement; Research projects; Slopes; Soils; Sound; Stresses; Tests; Waves
• ITRD Terms: 5595: Deformation; 2801: Embankment; 3377: Foundation; 6136: Measurement; 8557: Research project; 5792: Settlement; 2831: Slope (terrain); 4156: Soil; 6748: Sound; 5575: Stress (in material); 6255: Test; 6767: Wave
• Subject Areas: Geotechnology; Research; I42: Soil Mechanics;

Filing Info

• Accession Number: 01293018
• Record Type: Research project
• Source Agency: Institut Francais des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)
• Contract Numbers: ITRD 218-201
• Files: ITRD
• Created Date: Nov 21 2010 3:49AM