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Статті в журналах з теми "Assainissement du sol"
Barré, Nicolas. "Mesures agronomiques permettant une diminution des populations de la tique <em>Amblyomma variegatum</em>." Revue d’élevage et de médecine vétérinaire des pays tropicaux 41, no. 4 (April 1, 1988): 387–93. http://dx.doi.org/10.19182/remvt.8658.
Повний текст джерелаDECOUT, A., and A. LAKEL. "Est-il pertinent de comparer un assainissement non collectif à une station d’épuration collective, à un réfrigérateur, à une fenêtre ou à une chaudière ?" Techniques Sciences Méthodes, no. 7-8 (August 20, 2021): 57–68. http://dx.doi.org/10.36904/tsm/202107057.
Повний текст джерелаStaël Avila, Tchouata Tiomele, and Simeu Kamdem Michel. "Logiques d’Acteurs dans la Gestion des Eaux usées et Assainissement dans la Commune d’Arrondissement de Bafoussam 1er (Ouest-Cameroun)." European Scientific Journal, ESJ 19, no. 15 (May 31, 2023): 149. http://dx.doi.org/10.19044/esj.2023.v19n15p149.
Повний текст джерелаДисертації з теми "Assainissement du sol"
Barles, Sabine. "La pédosphère urbaine : le sol de Paris XVIIIe-XXe siècles." Phd thesis, Ecole Nationale des Ponts et Chaussées, 1993. http://tel.archives-ouvertes.fr/tel-00523028.
Повний текст джерелаEsslimani, Khaoula. "Etude de l´effet des conditions d´application de l’extraction sous pression réduite dans la zone non saturée du sol." Electronic Thesis or Diss., Ecully, Ecole centrale de Lyon, 2024. http://www.theses.fr/2024ECDL0021.
Повний текст джерелаSoil Vapour Extraction stands out as a widely used solution for the in situ remediation of soils contaminated with volatile organic compounds (VOCs). By applying a vacuum to the soil matrix, a flow of air is produced through it, carrying the volatile contaminants to extraction wells that remove the pollutants from the soil. Experimental studies in the laboratory and on site have been carried out to provide a complete analysis of SVE by tracking pollutants in the outgoing gases. An improvement to this technique using the thermal method was studied (T-SVE). Transport and mass transfer during the laboratory experiments were numerically simulated. Two soil models were chosen and characterised: 100% sand (soil 1) and sand mixed with 5% kaolin (soil 2). Experimental set-ups were used to analyse various parameters characterising the extraction system. Hydrodynamic tests were carried out using three different water mass contents in each soil. Experiments on soils contaminated by the two contaminants tested (decane and toluene), in single and double pollution situations, were carried out with samples in dry and wet conditions and at extraction rates of 10 and 16 L.min-1. The experiments were carried out at room temperature and at 60°C. Extraction tests were carried out on a real site contaminated by hydrocarbons. It has been shown that the quantity of mobile water is largely influenced by the composition of the soil. The results obtained showed that the presence of clay in the sand resulted in greater retention of contaminants (adsorption phenomenon) compared with a soil composed solely of sand. Lower elimination times were observed for the contaminant with the highest vapour pressure (toluene). Slight and non-significant decreases in yield, of around 1%, were obtained when going from a flow rate of 16 L.min-1 to a flow rate of 10 L.min-1. It has been shown that increasing the water content of the soil makes the depollution process less effective. The extraction rates of contaminants in double pollution are significantly lower than their extraction rates in monopollution. The T-SVE process, compared with conventional SVE, is more efficient in terms of clean-up time and extraction yield. The trends in pollutant concentration and depression curves obtained in field trials, where conditions are more complex and variable, are similar to those observed in the laboratory. An initial numerical approach to the simulation of mass transport/transfer based on the results of experiments on a 1D column was carried out. The proposed model is capable of simulating the extraction curves with good agreement with the experimental results
Breil, Pascal. "Drainage des eaux claires parasites par les réseaux sanitaires ; mécanismes et approche quantitative." Montpellier 2, 1990. http://www.theses.fr/1990MON20103.
Повний текст джерелаNegim, Osama. "New Technique for Soil Reclamation and Conservation: In Situ Stabilization of Trace Elements in Contaminated Soils." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2009. http://tel.archives-ouvertes.fr/tel-00408020.
Повний текст джерелаSaulais, Muriel. "Colonisation végétale des basins d’infiltration et de rétention : caractérisation de la flore et évolution des caractéristiques physico-chimiques de l’horizon de surface végétalisé." Thesis, Lyon, INSA, 2011. http://www.theses.fr/2011ISAL0116/document.
Повний текст джерелаUrban stormwater basins surfaces can be highly contaminated and can be spontaneously or intentionaly vegetated. The aim of this work is to better characterize the role of the vegetation on heavy metal (Zn, Cd, Cu) mobility. Firstly, vegetation inventory has pointed out the high species diversity in these devices (from ruderal vegetation to wetland plants). Then, a physico-chemical characterization of surface samples vegetated by dominant species has been carried out. We have shown that carbonates and organic matter play a major role in the control of heavy metal mobility. The parameters which are the most spatially and temporally variable are essentially related to organic matter cycle (nitrate, heavy metal fraction bound to organic matter), and to the introduction of stormwater suspended matter (heavy metals, texture). At the maximum of plant growth phase, heavy metal mobility is enhanced and the period of plant death leads to a better heavy metal retention in the basin surface. This thesis invites us to consider plants as agents of surface stormwater basin transformation and to include plants in future research work
Belhadj, Naoufel. "Variations par temps de pluie des débits dans les réseaux d'eaux usées de type séparatif : Identification des composantes et modélisation des infiltrations." Phd thesis, Marne-la-vallée, ENPC, 1994. http://www.theses.fr/1994ENPC9435.
Повний текст джерелаThe present concern about urban storm drainage and pollution control should not apply to separate foul water sewerage. However, flowrates that can be monitored at the outlets of such sewerage display huge variations along with rainfall, very much alike the ones related with combined systems. Inappropriate connexions of runoff water are not the sole explanation for such a behaviour, and infiltration is to be considered. Leaking defects, included the ones located on private properties, involve rather complex mechanisms which result in drainage of large flows into the collection pipes. These flows can reach high values whatever timescale is considered (yearly, daily and even hourly flowrates). But these flowrates cannot be easily quatify, because they depend not only on rainfall events, but also on what happened before, and on the season. So we developped a mathematical model to simulate these flowrates, and validated this model using field data and sensibility analysis. This model should be a valuable tool for sewer evaluation studies
Belhadj, Naoufel. "Variations par temps de pluie des débits dans les réseaux d'eaux usées de type séparatif : identification des composantes et modélisation des infiltrations." Phd thesis, Ecole Nationale des Ponts et Chaussées, 1994. http://tel.archives-ouvertes.fr/tel-00529364.
Повний текст джерелаGuekie, Simo Aubin Thibaut. "Effets de la variation spatiale et temporelle des propriétés des terrains sur les défaillances des réseaux enterrés." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14679/document.
Повний текст джерелаThe interactions between shallow groundwater and sewer network are generally complex. The aim of this research is to study the impact of the water table level variation on the damages of the buried pipes. For this purpose, a three-dimensional (3D) numerical groundwater flow model of the shallow multi-aquifer of the Bordeaux urban area, within a 83 km2 area (Mérignac, Pessac, Talence), is developed, calibrated and validated. In order to do this, in a first step, a conceptual model was built based on stratigraphic descriptions of the boreholes. A geostastistical study was carried out to build the limits of the geological layers and the piezometrical maps from the measurement campaigns of water table levels. Then, an original methodology to transform the description of lithological units to local hydraulic conductivity values is proposed and the reconstruction of hydraulic conductivity fields at the urban scale was performed based on geostatistical methods. In a second step, hydrogeological conditions were simulated using the finite-difference groundwater flow model MODFLOW-2005 (Visual Modflow ©). The hydrogeological parameters were then calibrated manually and automatically based on water table elevation data measured in July 2010, October 2010 and March 2010. The model validation covered 6890 days, from June 1993 to may 2012. The results showed that the simulated heads are quite accurate and reproduce the main dynamics of the system at 35 piezometers. The spatial and temporal distribution of the heads of the piezometers simulated permitted to identify the flooding zones of the sewer network by comparing the piezometric head with the altitude of the networks. The sectors where the pipes are damaged were localized in the zone wherein there is low probability of flooding. Additionally, the natural hydrologic environment, taken as a sole factor, cannot explain the pipe breakage phenomena
Книги з теми "Assainissement du sol"
Garancher, Jacques. L' assainissement autonome individuel et collectif. Paris: Editions du Moniteur, 1986.
Знайти повний текст джерелаFacultés universitaires Saint-Louis. Centre d'étude du droit de l'environnement., Association belge francophone pour le droit de l'aménagement du territoire et de l'urbanisme., and Wallonia (Belgium). Direction générale de l'aménagement du territoire, du logement et du patrimoine., eds. Assainissement et gestion des sols pollués: Un cadre légal nouveau : actes du colloque organisé le 16 juin 2005 par le Centre d'étude du droit de l'environnement (CEDRE) des Facultés universitaires Saint-Louis et par l'Association belge francophone pour le droit de l'aménagement du territoire et de l'urbanisme (ABeFDATU). Bruxelles: Bruylant, 2007.
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