CONTINUED DETERMINATION OF THE INFLUENCE OF IMPORTANT MATERIAL/TECHNICAL FACTORS AND MIXTURE COMPOSITION ON THE WEAR OF BITUMINOUS ROAD SURFACINGS
WEITERFUEHRUNG DER ERMITTLUNG DES EINFLUSSES DER WICHTIGEN MATERIALTECHNISCHEN FAKTOREN UND DER MISCHGUTZUSAMMENSETZUNG AUF DEN VERSCHLEISS BITUMINOESER FAHRBAHNDECKEN
RESEARCH PROJECT NUMBER 7.004 G 73 1 (IRRD NO. 700176) HAS ALREADY BEGUN TO EXAMINE THE MOST IMPORTANT MATERIAL FACTORS INFLUENCING THE WEAR BEHAVIOUR OF BITUMINOUS LAYERS. IN PARTICULAR THE STRESSES CAUSED BY WINTER TRAFFIC, SUCH AS ALTERNATING FREEZING AND THAWING, WET ROAD SURFACES, DEICING SALTS AND STUDDED OR OTHER WINTER TYRES HAVE TO BE CONSIDERED. HITHERTO 100 DIFFERENT MIXTURES HAVE BEEN EXAMINED FOR WEAR BY MEANS OF EQUIPMENT SIMULATING WEAR. THIS HOWEVER IS NOT ENOUGH TO MAKE A RELIABLE ASSESSMENT OF THE INFLUENCING FACTORS. THE WEAR TESTS ARE TO BE CONTINUED ON A FURTHER 120 MIXTURES. THEY WILL BE SELECTED AFTER AN EVALUATION OF THE AVAILABLE STUDY RESULTS. ASPHALTIC CONCRETES AS WELL AS GUSSASPHALTS ARE TO BE TESTED. THE MAIN VARIABLES ARE TO BE THE FOLLOWING: FILLER QUANTITIES AND QUALITY, BINDER QUANTITIES AND ADDITIVES TO THE BINDER, QUANTITIES AND QUALITY OF CRUSHED SAND, AND GAP-GRADED AGGREGATES IN ASPHALTIC CONCRETE. ONLY 2 OF THE 6 PIECES OF EQUIPMENT PREVIOUSLY USED ARE TO BE USED AGAIN.
Language
- German
Project
- Status: Active
-
Sponsor Organizations:
BUNDESMINISTER FUER VERKEHR
KENNEDYALLEE 72
BONN-BAD GODESBERG 1, Germany D-5300 -
Project Managers:
-,
-
Performing Organizations:
INST. F. BITUMINOESE BAUSTOFFE, TU MUENCHEN (TECHNICAL UNIVERSITY OF MUNICH, INSTITUTE FOR BITUMINOUS MATERIALS)
ARCISSTR. 21
MUENCHEN, Germany D-8000 - Start Date: 19740000
- Expected Completion Date: 0
- Actual Completion Date: 0
- Source Data: ITRD D700607
Subject/Index Terms
- TRT Terms: Aggregates; Binder content; Bituminous mixtures; Fillers (Materials); Gussasphalt; Mix design; Research projects; Surfacing; Tests; Wear; Winter
- ITRD Terms: 4577: Aggregate; 4929: Binder content; 4967: Bituminous mixture; 4599: Filler; 4979: Gussasphalt; 4714: Mix design; 8557: Research project; 2972: Surfacing; 6255: Test; 5293: Wear; WEST GERMANY ; 2575: Winter
- Subject Areas: Geotechnology; Research; I31: Bituminous Binders and Materials;
Filing Info
- Accession Number: 01300060
- Record Type: Research project
- Source Agency: Forschungsgesellschaft für Straßen- und Verkehrswesen (FGSV)
- Files: ITRD
- Created Date: Nov 21 2010 7:41AM