s2mecadessolspartielingeexo1.py

Created by condouarthur

Created on June 05, 2024

1 KB


masseechantillondébut = masse totale debut - tare
même chpse pour échantillon de fin 
Delta entre les deux = masse d'eau retirée 
wn = masse d'eau retirée (appelée Mw) / masse  fin échantilln

On cherche la porosité qui vaut n= e/1+e = =Vv/V
On cherche Vw,Va et Vs 
Vw = Mw / row or ro w = 1g/cm^3 ( on reste dans ces unités )
Vs = Masse échantillon fin / ro s  ( ro s donnée)
Vv = Va + Vw donc si degré de saturation donné :
  Vv = degré de saturation * Vw + 1- degre * Va soit Va = (1-degré/degré) *Vw
  Sinon prendre degré de saturation = 1
  tel que n = Vw + Va /(Vs+vw+va)
e = Vv/Vs 
Poids volumique humide gammah= (1+w)gammas/1+e = (1-n) * Gammas (=ros*10) + n (gammaW(=IIeau)*Sr)
Poids volumique sec = gamma s / 1+e = (1-n)*gammas
Poids volumique saturé = Wsat /V = Ws+Ww / V = gammasVs + gammawVw / Vs + Vw
Soit en divisant par Vv=Vw on a Gamma sat = GammasVs/Vv + gammaW/(Vs/Vv + 1)= ro s g + e gammaw / 1+e 
Poids volumique dégrangé = gamma' = gamma sat - gammaw

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