INFLUENCE OF PARTICLE SIZING, TYPE OF STONE AND QUANTITY OF FILLERS ON THE DURABILITY OF GUSSASPHALT SURFACINGS
EINFLUSS DER KORNABSTUFUNG, GESTEINSART UND MENGE VON FUELLERN AUF DIE DAUERFESTIGKEIT VON GUSSASPHALT-FAHRBAHNDECKEN
THE OBJECT OF THE WORK IS TO DETERMINE THE EXTENT TO WHICH THE STABILITY OF A GUSSASPHALT SURFACING IS CHANGED BY THE USE OF VARIOUSLY STRUCTURED FILLERS. TEST METHODS ARE TO BE CITED, BY MEANS OF WHICH THE FILLERS CAN BE GRADED WITH RESPECT TO THEIR STIFFENING ACTION. FILLERS USED IN ASPHALTIC CONCRETE SURFACINGS, STUDIED IN PREVIOUS RESEARCH, ARE TO BE INCORPORATED INTO GUSSASPHALT MIXTURES. THE PROPORTION OF FILLER IN GUSSASPHALT IS APPROXIMATELY TWO AND A HALF TIMES AS GREAT AS THAT IN ASPHALTIC CONCRETE. THE FILLERS TO BE USED ORIGINATE FROM 5 DIFFERENT TYPES OF ROCK; THEY ARE CLASSIFIED INTO FINE-GRAINED, MEDIUM-GRAINED AND COARSE-GRAINED GROUPS, MAKING 15 DIFFERENT TYPES OF FILLER IN ALL. THE EFFECT OF THE FILLERS ON THE DURABILITY OF GUSSASPHALT SURFACINGS UNDER STATIC AND DYNAMIC LOADING IS TO BE EXAMINED. MEASUREMENTS OF STIFFNESS ARE BEING MADE IN PRELIMINARY STUDIES ON THE BITUMINOUS MORTAR (0/2 MM) OF THE GUSSASPHALT WITH THE ROTARY VISCOMETER. IN THE MORTAR, THE STIFFNESS, WETTING AND OTHER PHYSICO-CHEMICAL PROPERTIES OF THE VARIOUS FILLERS IN CONTACT WITH BITUMEN 45 CAN BE MEASURED MORE EASILY THAN IN THE GUSSASPHALT MIXTURE.
Language
- German
Project
- Status: Active
-
Contract Numbers:
ITRD 07.036G75D
-
Sponsor Organizations:
BUNDESMINISTER FUER VERKEHR
KENNEDYALLEE 72
BONN-BAD GODESBERG 1, Germany D-5300 -
Project Managers:
-,
-
Performing Organizations:
PRUEFAMT F. BITUM. BAUSTOFFE U. KUNSTSTOFFE, TU MUENCHEN (TECHNICAL UNIVERSITY OF MUNICH, TESTING CENTRE FOR BITUMINOUS MATERIALS AND PLASTICS)
ARCISSTR. 21
MUENCHEN 2, Germany D-8000 - Start Date: 19751000
- Expected Completion Date: 19770400
- Actual Completion Date: 0
- Source Data: ITRD D701517
Subject/Index Terms
- TRT Terms: Durability; Fillers (Materials); Grain size (Geology); Gussasphalt; Mix design; Properties of materials; Research projects; Rocks; Stiffness; Test procedures; Viscosity
- Uncontrolled Terms: Particle size distribution
- ITRD Terms: 5910: Durability; 4599: Filler; 4979: Gussasphalt; 4714: Mix design; 6200: Particle size distribution; 5925: Properties; 8557: Research project; 4154: Rock; 5931: Stiffness; 6288: Test method; 5936: Viscosity; WEST GERMANY
- Subject Areas: Geotechnology; Materials; Research; I31: Bituminous Binders and Materials;
Filing Info
- Accession Number: 01302721
- Record Type: Research project
- Source Agency: Forschungsgesellschaft für Straßen- und Verkehrswesen (FGSV)
- Contract Numbers: ITRD 07.036G75D
- Files: ITRD
- Created Date: Nov 21 2010 8:47AM