Hydrogéologie : Cours – Résumés – TP – Exercices corrigés

Hydrogéologie : Cours - Résumés - TP - Exercices corrigés

Hydrogéologie est la science des eaux souterraines. C’est la partie de la géologie qui traite de la circulation de l’eau dans le sous-sol: recherche d’aquifères, évaluation de réservoirs, captages et débits possibles …

Plan du cours Hydrogéologie
Introduction – généralités
B.2 L’eau dans le réservoir : la porosité

B.2.1 Caractérisation : la porosité
B.2.2 Différents types de classification de la porosité
B.2.3 Classification de la porosité par rapport à la taille des pores
B.2.4 Classification par rapport à l’origine
B.2.5 Classification morphologique
B.2.6 Ordre de grandeur de la porosité
B.2.7 Mobilité de l’eau dans le sol : eau liée, eau libre, l’égouttage des roches
B.2.8 Profil hydrique des sols

B.3 Les mouvements de l’eau dans les roches : perméabilité

B.3.1 Rappel sur la charge hydraulique
B.3.2 Expérience de Darcy
B.3.3 Expérience de Reynolds (pour mémoire)
B.3.4 Ecoulement dans les roches stratifiées
B.3.5 Mesures et estimation de la perméabilité au laboratoire
B.3.6 Mesures in situ
B.3.7 Ordre de grandeur de la perméabilité
B.3.8 Généralisation en 3 dimensions

B.4 Les nappes

B.4.1 Conditions d’existence des nappes
B.4.2 Alimentation
B.4.3 Exutoires
B.4.4 Classification des nappes

B.5 Etude de quelques écoulement dans les nappes

B.5.1 Paramètres dont dépend l’écoulement. Réseau d’écoulement
B.5.2 Effet des variations de la transmissivité
B.5.3 Ecoulement entre deux tranchées
B.5.4 Ecoulement radial circulaire en régime permanent 

B.6 Cas Général : équation fondamentale de l’hydrodynamique

B.6.1 Etablissement de l’équation de diffusivité
B.6.2 Propriétés de l’équation de diffusivité

B.7 Solutions de l’équation de diffusivité lors de pompage dans un puits

B.7.1 Equation de diffusivité en coordonnées radiales
B.7.2 Solution de Theis
B.7.3 Solution de Jacob
B.7.4 Pompage d’essai
B.7.5 Remontée de la nappe
B.7.6 Méthode des paliers enchaînés
B.7.7 Quelques cas particuliers de nappe
B.7.8 Essais Lugeon et Lefranc

B.8 Les essais spécifiques

B.8.1 Essais par chocs hydrauliques : Pulse test
B.8.2 Slug test (débit variable à partir d’une injection unique)

B.9 Méthodes analytiques de résolution de l’équation de diffusivité : fonctions harmoniques
B.10 Méthodes numériques de résolution de l’équation de diffusivité

B.10.1 Equations à résoudre
B.10.2 Conditions aux limites
B.10.3 Principe des différences finis
B.10.4 Principe des éléments finis

B.11 Ecoulement dans les milieux fracturés

B.11.1 Ecoulement dans une fracture
B.11.2 Ecoulement dans un réseau de fractures
B.11.3 Milieu continu équivalent

B.12 Transport de solutés en milieu poreux

B.12.1 Position du problème et mécanisme de transport
B.12.2 La convection (ou advection)
B.12.3 La diffusion
B.12.4 La dispersion cinématique
B.12.5 Les phénomènes d’échange avec le milieu solide
B.12.6 Les processus de dégradation
B.12.7 Expression de l’ensemble des termes du transport

Liens de téléchargement des cours et résumé Hydrogéologie

Cours N°1 d’Hydrogéologie

Cours N°2 d’Hydrogéologie

Cours N°3 d’Hydrogéologie

Cours N°4 d’Hydrogéologie

Cours N°5 d’Hydrogéologie

Cours N°6 d’Hydrogéologie

Cours N°7 d’Hydrogéologie

Cours N°8 d’Hydrogéologie

Résumé d’Hydrogéologie

Liens de téléchargement des exercices corrigés et TP Hydrogéologie

Exercice N°1

Exercice N°2

Exercice N°3

Exercice N°4

Voir aussi :

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