DEVELOPMENT AND CONSTRUCTION OF AN UNEVENNESS MEASURING INSTRUMENT FOR PURPOSES OF WORK ACCEPTANCE AND ROAD ASSESS- MENT BASED ON COMBINED MEASUREMENTS OF DISPLACEMENT AND ACCELERATION
ENTWICKLUNG UND BAU EINES EBENHEITSMESSGERAETES FUER ZWECKE DER BAUABNAHME UND STRASSENBEWERTUNG AUF DER GRUNDLAGE KOMBINIERTER WEGBESCHLEUNIGUNGSMESSUNG
THE RESEARCH WORK IS PART OF A PROGRAMME UNDER A MORE COMPREHENSIVE CONTRACT. THE ULTRASONIC MEASURING INSTRUMENT USED SO FAR FOR MEASUREMENT OF THE DISPLACEMENTS BETWEEN THE VEHICLE SUPERSTRUCUTRE AND THE CARRIAGEWAY GAVE TOO SMALL A TRANSMITTER SIGNAL. FOR THIS REASON, OTHER TRANSMITTERS AND INSTRUMENTS MADE BY OTHER FIRMS ARE TO BE TESTED, NAMELY THOSE WHICH TRANSMIT A SUFFICIENTLY STRONG SIGNAL IN SPITE OF AN INCREASED ANGLE OF INCLINATION OF THE ULTRASONIC HEAD TO THE REFLECTING SURFACE. THE IMPORTANCE OF THESE MEASUREMENTS HOWEVER REQUIRES CIRCUIT MODIFICATIONS AND POSSIBLY A NEW TRANSMITTER DESIGN. THE ACCURACY OF THE MEASURING SYSTEM AFTER THE IMPROVEMENT OF THE DISPLACEMENT TRANSMITTER IS TO BE VERIFIED BY MEANS OF DRIVING TESTS.
Language
- German
Project
- Status: Completed
-
Sponsor Organizations:
FORSCHUNGSGESELLSCHAFT FUER DAS STRASSENWESEN
MAASTRICHTER STRASSE 45
KOELN, DEUTSCHLAND BR D-5000 -
Project Managers:
FELDMANN,
-
Performing Organizations:
SENATOR FUER BAU-UND WOHNUNGSWESEN (SENATOR FOR BUILDING AND HOUSING, BERLIN)
WURTTEMBERGISCHE STR.6-10
BERLIN 31, Germany 1000 - Start Date: 19720000
- Expected Completion Date: 0
- Actual Completion Date: 19770000
- Source Data: ITRD D700034
Subject/Index Terms
- TRT Terms: Research projects; Smoothness; Ultrasonics
- ITRD Terms: APPARATUS (MEAS) ; 3071: Evenness; 8557: Research project; 6739: Ultrasonic; WEST GERMANY
- Subject Areas: Research; I23: Properties of Road Surfaces;
Filing Info
- Accession Number: 01299842
- Record Type: Research project
- Source Agency: Forschungsgesellschaft für Straßen- und Verkehrswesen (FGSV)
- Files: ITRD
- Created Date: Nov 21 2010 7:36AM