STABILIZATION OF SAND FOR ROADBASES. APPLICATION OF SAND-BITUMEN
TRAITEMENT DES SABLES POUR ASSISES DE CHAUSSEES - APPLICATION DES SABLES-BITUME
FOLLOWING A DESCRIPTION OF THE DEVELOPMENT OF THE STABILIZATION OF SAND WITH BITUMEN FOR SUBBASES AND ROADBASES BACK TO 1951, MENTION IS MADE OF NEW TYPES OF SAND-BITUMEN MIXTURE, WHICH ENABLE SAND-BITUMEN TO BE USED NEARER THE ROAD SURFACE. CRUSHED OR GROUND SAND IS ADDED TO THE ORIGINAL SAND TO CORRECT THE GRADING OF THE LATTER, TO INCREASE ITS ANGULARITY AND TO DECREASE THE VOIDS CONTENT; ANOTHER METHOD IS TO ADD SULPHUR TO THE MIXTURE. DETAILS ARE GIVEN OF ALL MIX DESIGN FORMULAE, MANUFACTURING CONDITIONS (LOCATION OF MIXING PLANT AT THE SITE OF SAND EXTRACTION, TEMPERATURE TO BE MAINTAINED: 130 DEG C), CONDITIONS OF TRANSPORT AND APPLICATION (SPREADING, IF POSSIBLE, WITH A VIBRATING TABLE-FINISHER, THE SUPPLY RATE OF WHICH IS INDEPENDENT OF THE TRANSLATION RATE); THE COMPACTION IS CONDITIONED BY THE ABSENCE OF AGGREGATES IN THE SAND-BITUMEN MIXTURE (PREFERABLY SELF-DRIVEN PNEUMATIC-TYRED ROLLERS, 1 TO 3 TONNES IN WEIGHT, THE TYRE PRESSURE BEING LOWER THAN 2 BARS, VIBRATING ROLLER OR MIXED COMPACTORS). 20 EXAMPLES ARE GIVEN OF THE APPLICATION OF THIS TECHNIQUE TO ROAD CONSTRUCTION (A10 AND A11), STRENGTHENING OF PAVEMENTS, RESURFACINGS, RUNWAYS, ETC. FOR THE COVERING ABSTRACT, SEE IRRD ABSTRACT NO 107014.
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Authors:
- POIRIER
- GRIMAUX
- PASSEBON
- SIMONCELLI
- Publication Date: 1976
Language
- French
Media Info
- Pagination: 27-36
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Serial:
- JOURNEES D'INFORMATION, BORDEAUX, 25 ET 26 NOVEMBRE 1976
- Publisher: Laboratoire Central des Ponts et Chausees (LCPC)
Subject/Index Terms
- TRT Terms: Base course (Pavements); Binder content; Bitumen; Conferences; Equipment; Grain size (Geology); Mixing plants; Pavers; Road construction; Rollers; Sand; Spreading; Stabilized materials; Sulfur; Vibratory equipment
- Uncontrolled Terms: Laying; Particle size distribution; Pneumatic tires
- Geographic Terms: France
- ITRD Terms: 4929: Binder content; 4963: Bitumen; 8525: Conference; 3674: Equipment; 3663: Finisher; 8036: France; 3623: Laying; 3648: Mixing plant; 6200: Particle size distribution; 3693: Pneumatic tyred roller; 3665: Road construction; 2961: Roadbase; 3688: Roadbase stabilization; 3684: Roller; 4105: Sand; 3602: Spreading; 7109: Sulphur; 3692: Vibrating roller
- Subject Areas: I31: Bituminous Binders and Materials; I33: Other Materials used in Pavement Layers; I52: Construction of Pavements and Surfacings;
Filing Info
- Accession Number: 01293655
- Record Type: Publication
- Source Agency: Institut Francais des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)
- Files: ITRD
- Created Date: Nov 21 2010 4:14AM