8. FUERZAS DE FILTRACIÓN Presiones en presencia de flujo de agua: Flujo ascendente: • Cálculo: presiones totales, intersticiales y efectivas. • En pto 2: • En pto 4: • En pto 3: 0 = = v u σ z u w v ⋅ = = γ σ 0 ' = v σ ( ) H L z u w + + ⋅ = γ z L w sat v ⋅ + ⋅ = γ γ σ ( ) ( ) H L H L H L z z L w w w sat w w sat v ⋅ - ⋅ = ⋅ - - ⋅ = + + ⋅ - ⋅ + ⋅ = γ γ γ γ γ γ γ γ σ ' ' L 2 4 1 3 L H z ( ) ( ) i L L i L w w sat w w sat v ⋅ - - ⋅ = ⋅ ⋅ - - ⋅ = γ γ γ γ γ γ σ ' ( ) w w sat c w c w sat v i i γ γ γ γ γ γ σ - = = ⋅ - - = 0 0 ' 8. FUERZAS DE FILTRACIÓN Presiones en presencia de flujo de agua: Flujo descendente: • Cálculo: presiones totales, intersticiales y efectivas. • En pto 2: • En pto 4: • En pto 3: 0 = = v u σ z u w v ⋅ = = γ σ 0 ' = v σ ( ) H L z u w - + ⋅ = γ z L w sat v ⋅ + ⋅ = γ γ σ ( ) ( ) H L H L H L z z L w w w sat w w sat v ⋅ + ⋅ = ⋅ + - ⋅ = - + ⋅ - ⋅ + ⋅ = γ γ γ γ γ γ γ γ σ ' ' L 2 4 1 3 L H z
