STUDIES OF PLASTICALLY DEFORMED BITUMINOUS LAYERS
UNTERSUCHUNGEN AN PLASTISCH DEFORMIERTEN BITUMINOESEN SCHICHTEN
THE AUTHOR REPORTS ON THE CAUSES OF PLASTIC DEFORMATIONS (TRACKING GROOVES UP TO 6 CMS IN DEPTH) IN A ROLLED ASPHALT WEARING COURSE 0/12 MM WITH TWO ASPHALT BINDERS 0/12 MM IN A MOTORWAY STRETCH WITH UP TO 6% INCLINE. THE RESULTS OF TESTS CARRIED OUT ON CORE BORINGS AND MIX STUDIES DEMONSTRATE THAT THE DEFORMATION CAN BE ATTRIBUTED TO EXCESS FILLER AND BITUMEN CONTENT OF THE LOWER AND ALSO, ON OCCASION, THE UPPER BASECOURSE. ARISING FROM THE DAMAGE TO THE BASECOURSE, AN INCREASED STRESS OCCURRED IN THE MATERIAL IN ROLLED ASPHALT WEARING COURSES, RESULTING IN EXCESSIVE DEFORMATION. A SO-CALLED MIX-SPECIFIC CHARACTERISTIC CURVE COMPARABLE TO THE PROCTOR CURVE WAS DERIVED FROM THE VOLUMETRIC REPRESENTATION OF THE MATERIAL PHASES. THIS MAY BE USED IN ADDITION TO THE PORE VOLUME AND ITS DISTRIBUTION, DEGREE OF SATURATION OF MINERAL MATERIAL-PORE VOLUME WITH BITUMINOUS MORTARS (FILLERS AND BITUMEN) FOR EVALUATING THE MIX BEHAVIOUR.
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Authors:
- Nies, V
- Publication Date: 1977
Language
- German
Media Info
- Pagination: 5P
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Serial:
- MITT INST ST EISENBAHN U FELSBAU ETH-Z 37 (BEIL.)
- Issue Number: 37(BEIL)
Subject/Index Terms
- TRT Terms: Base course (Pavements); Binder content; Deformation; Fillers (Materials); Freeways; Laboratories; Rolled asphalt; Tests; Wearing course (Pavements)
- ITRD Terms: 2990: Basecourse; 4929: Binder content; 5595: Deformation; 4599: Filler; 6237: Laboratory (not an organization); 2752: Motorway; 6255: Test; TRACKING (WHEEL) ; 4989: Walzasphalt; 2980: Wearing course
- Subject Areas: I31: Bituminous Binders and Materials;
Filing Info
- Accession Number: 01289413
- Record Type: Publication
- Source Agency: Forschungsgesellschaft für Straßen- und Verkehrswesen (FGSV)
- Files: ITRD
- Created Date: Nov 21 2010 1:46AM