HYDROGEOLOGICAL STUDY OF SLOPE FORMATION. THE EXPERIMENTAL SITE IN AMANCE
ETUDE HYDROGEOLOGIQUE DES FORMATIONS DE PENTE. SITE EXPERIMENTAL D'AMANCE
THE AIM OF THE STUDY OF THE FORMATION OF CLAYEY SLOPES WAS TO OBTAIN A BETTER DEFINITION OF WATER FLOW WITHIN THIS TYPE OF FORMATION. WATER FLOW IN SUCH ENVIRONMENT GIVES RISE TO NUMEROUS PROBLEMS BECAUSE OF THE LOW PERMEABILITY OF THE MEDIUM. THIS INVESTIGATION WAS CONDUCTED ON AN EXPERIMENTAL SITE OF CLAYEY HILLSIDE DEBRIS 15 KM FROM NANCY. THE SITE WAS INSTRUMENTED WITH OPEN PIEZOMETERS, AND A STATION WAS SET UP TO MEASURE MOISTURE CONTENT AND PRESSURE. IT WAS POSSIBLE TO DEFINE THE CONCEPT OF WATER TABLE IN THIS TYPE OF FORMATION, E.G. AN ACCUMULATION OF WATER IN A HIGHLY HETEROGENEOUS POROUS OR CRACKED MEDIUM WHICH, HOWEVER, RETAINS HYDRODYNAMIC RELATIONS BETWEEN ITS DIFFERENT SECTIONS. FURTHERMORE THE IMPORTANT ROLE OF THE NON-SATURATED ZONE ON THE SUPPLY OF WATER TO THE WATER TABLE WAS SHOWN THUS LEADING TO THE CONCLUSION THAT THE WATER TABLE RECEIVES SOME WATER FROM THE DIRECT SEEPAGE OF RAIN WATER AND NOT FROM AN UPPER "RESERVOIR" FORMED BY GEOLOGICAL FORMATIONS UPSTREAM.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/04585860
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Authors:
- LIVET, M
- Publication Date: 1976-5
Language
- French
Media Info
- Pagination: 9-19
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Serial:
- BULL LIAISON LAB PONTS CHAUSS
- Issue Number: 83
- ISSN: 0458-5860
Subject/Index Terms
- TRT Terms: Air; Clay; Delivery service; Flow; Hydrology; Measurement; Moisture content; Piezometers; Pore water pressures; Pressure; Rain; Seepage; Slopes; Surfaces; Surveying; Water; Water table
- Uncontrolled Terms: Site investigation
- Geographic Terms: France
- ITRD Terms: 6714: Air; 4177: Clay; 284: Delivery; 8036: France; 4332: Hydrology; 6136: Measurement; 5920: Moisture content; 6107: Piezometer; 5762: Pore water pressure; 5412: Pressure; 2507: Rain; 4315: Seepage; 5722: Site investigation; 2831: Slope (terrain); 6438: Surface; 4355: Water; 4394: Water table
- Subject Areas: Hydraulics and Hydrology; I41: General Soil Surveys;
Filing Info
- Accession Number: 01296769
- 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 6:04AM