STRESS 74- THE VTI PRESSURE SENSOR FOR STRESS MEASUREMENT IN AND UNDER PAVEMENTS

STRESS 74-VTI:S TRYCKGIVARE FOER SPAENNINGSMAETNING I OCH UNDER VAEGOEVERBYGGNADER

This is a description of the pressure sensor Stress 74 and of a few basic factors in connection with simple stress measurements in road research. The pressure sensor stress 74 is of a so called membrane type and registers the mean normal pressure on this membrane. The sensitivity of the pressure during ideal conditions is determined by a hydrostatic calibration procedure and the sensor is also calibrated when installed in the ground. This calibration should be made in laboratory as well as in situ. Of importance is a well standardized installation procedure. Pressure sensor deviation is determined by calibration and theoretical calculations. Finally some fields of application for pressure sensors are mentioned. /TRRL/

• Corporate Authors:

  Swedish National Road and Transport Research Institute (VTI)

  Linköping,   Sweden  SE-581 95
• Authors:
  • Carlsson, H E
  • Gladh, O
• Publication Date: 1975

Language

• Swedish

Media Info

• Features: Figures; References;
• Pagination: 23 p.

Subject/Index Terms

• TRT Terms: Base course (Pavements); Calibration; Measurement; Measuring instruments; Pavement design; Pavements; Pressure; Pressure gages; Sensors; Stresses; Test procedures
• Uncontrolled Terms: Stressing
• Old TRIS Terms: Pressure sensors
• ITRD Terms: 6155: Apparatus (measuring); 6171: Calibration; 6136: Measurement; 3055: Pavement design; 5412: Pressure; 6120: Sensor; 5575: Stress (in material); 6288: Test method
• Subject Areas: Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways;

Filing Info

• Accession Number: 00159763
• Record Type: Publication
• Source Agency: Swedish National Road and Transport Research Institute (VTI)
• Report/Paper Numbers: Report No 227 Monograph
• Files: ITRD, TRIS
• Created Date: Dec 27 1977 12:00AM