IDENTIFICATION AND PROPORTIONING OF ORGANIC MATERIALS IN SAND
IDENTIFICATION ET DOSAGE DES MATIERES ORGANIQUES DANS LES SABLES
IT HAS BEEN SHOWN THAT ORGANIC MATTER PRESENT IN SAND CAN, IN SMALL DOSES, SLOW DOWN OR PREVENT THE SETTING OF GRAVEL- SLAG MIXTURES. EXTRACTIONS IN AN AQUEOUS, CALCIC AND SODIC MEDIUM FROM PEAT AND VEGETABLE WOULD HAVE SHOWN THAT ORGANIC MATTER WHICH CAN BE EXTRACTED WITH SODA IS THE MOST HARMFUL. IT IS PROPOSED TO STUDY SODIC EXTRACTS WITH A VIEW TO IDENTIFYING THEIR CONSTITUENTS AND TO DEFINING THEIR EFFECTS IN RETARDING SETTING.
Language
- French
Project
- Status: Completed
-
Contract Numbers:
ITRD 1-63-08-5
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Sponsor Organizations:
MINISTERE DES TRANSPORTS (MINISTRY OF TRANSPORT)
AV DU PRESIDENT KENNEDY 32
PARIS CEDEX 16, France F"75775MINISTERE DE L'ENVIRONNEMENT ET DU CADRE DE VIE (MINISTRY OF ENVIRONMENT AND QUALITY OF LIFE)
BOULEVARD SAINT GERMAIN 244
PARIS CEDEX 16, France F-75775 -
Project Managers:
LAMATHE, J
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Performing Organizations:
LABORATOIRES DES PONTS ET CHAUSSEES (ROAD AND BRIDGE LABORATORIES)
58 BOULEVARD LEFEBVRE
PARIS CEDEX 15, France F-75732 - Start Date: 19730100
- Expected Completion Date: 0
- Actual Completion Date: 19750000
- Source Data: ITRD F500297
Subject/Index Terms
- TRT Terms: Aggregates; Building materials; Chemical analysis; Gravel; Hydroxides; Organic compounds; Research projects; Retarders (Concrete); Sand; Slag; Sodium
- ITRD Terms: 4577: Aggregate; 7163: Chemical analysis; 4575: Gravel; 7354: Hydroxide; 4555: Material (constr); 7366: Organic; 8557: Research project; 4727: Retarder (concrete); 4105: Sand; 4561: Slag; 7197: Sodium
- Subject Areas: Geotechnology; Research; I36: Aggregates;
Filing Info
- Accession Number: 01293351
- Record Type: Research project
- Source Agency: Institut Francais des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)
- Contract Numbers: ITRD 1-63-08-5
- Files: ITRD
- Created Date: Nov 21 2010 4:00AM