EXPERIMENTS TO IMPROVE THE LOS ANGELES TEST
VERSUCHE ZUR VERBESSERUNG DES LOS-ANGELES-TESTES
THE IMPACT ABRASION STRENGTH OF ROAD AGGREGATES IS CURRENTLY DETERMINED IN AUSTRIA BY MEANS OF THE MODIFIED LOS ANGELES TEST. AS IN MANY CASES THE STRENGTH PROPERTIES OBTAINED BY THIS METHOD DO NOT REPRODUCE THE ACTUAL STRESS ON THE STONE IN PRACTICE, AN ATTEMPT IS TO BE MADE BY CONVERTING THE TEST EQUIPMENT (MODIFICATION OF THE COOPERATING PLATE WITH REGARD TO DIMENSIONS AND ANGLE OF INCLINATION) OR VARIATION OF THE PARAMETERS (NUMBER OF REVOLUTIONS, NUMBER OF TOTAL REVOLUTIONS, NUMBER OF PARTICLES AND PARTICLE SIZE) TO INFLUENCE BOTH IMPACT AND ABRASION TO SIMULATE PRACTICAL STRESS. THE TESTS ARE TO BE CARRIED OUT ON FOUR ROCKS: BASALT, GRANULITE, GRANITE AND DOLOMITE. RESTRICTION OF THE TESTS TO THESE FOUR ROCKS WHICH ARE IMPORTANT FOR ROAD CONSTRUCTION SHOULD ENSURE THAT THE STUDY IS UNDERTAKEN UNDER VERY ACCURATELY DEFINED CONDITIONS WITH THE GREATEST POSSIBLE PRECISION. THE TESTS CAN BE EXTENDED TO INCLUDE OTHER ROCKS AFTER THESE RESULTS HAVE BEEN OBTAINED. THE RESEARCH RESULTS SHOULD ALSO BE ABLE TO BE USED FOR AN INTENDED LATER STANDARDIZATION OF THE TEST EQUIPMENT AND THE TEST METHOD.
Language
- German
Project
- Status: Completed
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Contract Numbers:
ITRD 046
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Sponsor Organizations:
BUNDESMINISTERIUM FUER BAUTEN UND TECHNIK
STUBENRING 1
WIEN, OESTERREICH A-1010 -
Project Managers:
Zieger, M
Wieden, P
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Performing Organizations:
BUNDESVERSUCHS- U. FORSCHUNGSANSTALT ARSENAL (FEDERAL INSTITUTE FOR TESTING AND RESEARCH ARSENAL)
ARSENAL OBJEKT 210
WIEN, OESTERREICH A-1030 - Start Date: 19730000
- Expected Completion Date: 0
- Actual Completion Date: 19770000
- Source Data: ITRD D700654
Subject/Index Terms
- TRT Terms: Aggregate tests; Aggregates; Basalt; Dolomite; Granite; Improvements; Research projects; Shock (Mechanics); Strength of materials; Wear
- Identifier Terms: Los Angeles Test
- Geographic Terms: Austria
- ITRD Terms: 4577: Aggregate; 8007: Austria; 4183: Basalt; 4191: Dolomite; 4101: Granite; 9108: Improvement; 6208: Los Angeles test; 8557: Research project; 5471: Shock; 5544: Strength (mater); 5293: Wear
- Subject Areas: Geotechnology; Research; I36: Aggregates;
Filing Info
- Accession Number: 01292527
- Record Type: Research project
- Source Agency: Forschungsgesellschaft für Straßen- und Verkehrswesen (FGSV)
- Contract Numbers: ITRD 046
- Files: ITRD
- Created Date: Nov 21 2010 3:32AM