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Class notes Procédé de construction

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Uploaded on
June 3, 2021
Number of pages
7
Written in
2020/2021
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Class notes
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Jean claude
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Procédés de Construction (suite)

Rappels :
 Gros œuvres : réalisation de l’ensemble des éléments qui concourent à la reprise des
efforts subis en permanence par la construction
 Charges transmises :
- Les charges permanentes : le poids propre des différentes parties de
l’ouvrage (murs, planchers, charpente, …)
- Les charges d’exploitation : le poids des personnes et des équipements
(mobilier, matériel, …)
- Les charges climatiques : le poids de la neige et les effets du vent

I/ Types de fondations :
 La nature de la construction et l’intensité des charges transmises
 La nature du sol de fondation :




cf. diapo

 Principe de fonctionnement :
Permettre à l’ouvrage de rester stable en répartissant les charges sur le sol.
Pression sur le sol  Pression que le sol peut supporter




 Semelles filantes :
- Sous murs porteurs
- Sous file de poteaux (si rapprochés)

,  Fondations isolées :
- Sous poteaux :




- Surface homothétique au poteau :
a/A=b/B => A=f(b,A,B) ; B=f(A,a,b)
S= A* B= A *b/a
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