MODIFIED SOIL STRAIN GAGE

An adoptation of an existing concept for monitoring soild strains using a basic and economical system--the common methaletector, is presented. This unit electronically utilizes a beat frequency oscillator system. Instead of an audible signal output, the new soil strain gage used an additional amplifier and a frequency counter for a quantifiable output. As the soil between the embedded transducer is subjected to strain, the beat frequency changes and is recorded. For approximately $300 a portable, easy-to-use, and relatively inexpensive soil strain gage can be made for monitoring in-situ deformation situations.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/3519342
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Lord Jr, A E
  • Koerner, R M
• Publication Date: 1977-7

Media Info

• Features: Figures; References;
• Pagination: p. 789-793
• Serial:
  • Journal of Geotechnical and Geoenvironmental Engineering
  • Volume: 103
  • Issue Number: GT7
  • Publisher: American Society of Civil Engineers
  • ISSN: 1090-0241
  • Serial URL: http://ojps.aip.org/gto

Subject/Index Terms

• TRT Terms: Amplifiers; Costs; Deformation; Frequency (Electromagnetism); Monitoring; Signal generators; Soils; Strain gages; Transducers
• Old TRIS Terms: Oscillators
• Subject Areas: Finance; Geotechnology; Highways;

Filing Info

• Accession Number: 00165909
• Record Type: Publication
• Report/Paper Numbers: ASCE 13054
• Files: TRIS
• Created Date: Apr 12 1978 12:00AM