Les cobertes

May 28, 2013Download as PPTX, PDF0 likes194 views

Jei Sankare

treball de tecno

 La coberta és l'element constructiu que protegeix els
edificis a la part superior i, en certs casos, també es
diu sostrada, teulada i terrat.

 Per construir una coberta es fa servir el forjat, es
denomina forjat a un element constructiu,
generalment horitzontal, capaç de transmetre les
càrregues que suporta així com el seu pes propi als
altres elements de l'estructura (bigues, pilars, murs,
etc.).

 Podem dir que una coberta és inclinada quan supera
els 10º d’inclinació.
 En aquestes cobertes podem veure que la
impermeabilitat s'aconsegueix mitjançant el
solapament, que consisteix en ficar peces inclinades
una a continuació de l’altre.

 Podem dir que una coberta és plana si té un pendent
inferior a 10º .
 En aquesta coberta la impermeabilitat s'aconsegueix
mitjançant una làmina impermeable contínua.

 S‘utilitza gran quantitat de materials per construir
cobertes com ara:
 Amb peces ceràmiques en forma de rajoles.
 Directament fent servir el fang sense coure per rematar
les cobertes.
 Amb peces planes de pedra, principalment de pissarra.
 I també amb rajoletes de terrissa.

RAJOLES DE CERÀMICA
RAJOLES DE PEDRA DEPISSARRA

 Com a minim 10 diapositives
 Per la setmna que ve
 1 pregunta a cadascu del que hem fet
 Les cobertes
 Com es construeixen
 Materials
 Tipues de cobertes

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Les cobertes

1. JEI SANKARE ERIC REINA TECNOLOGIA MAIG 2013

2.  La coberta és l'element constructiu que protegeix els edificis a la part superior i, en certs casos, també es diu sostrada, teulada i terrat.

3.  Per construir una coberta es fa servir el forjat, es denomina forjat a un element constructiu, generalment horitzontal, capaç de transmetre les càrregues que suporta així com el seu pes propi als altres elements de l'estructura (bigues, pilars, murs, etc.).

5.  Podem dir que una coberta és inclinada quan supera els 10º d’inclinació.  En aquestes cobertes podem veure que la impermeabilitat s'aconsegueix mitjançant el solapament, que consisteix en ficar peces inclinades una a continuació de l’altre.

7.  Podem dir que una coberta és plana si té un pendent inferior a 10º .  En aquesta coberta la impermeabilitat s'aconsegueix mitjançant una làmina impermeable contínua.

9.  S‘utilitza gran quantitat de materials per construir cobertes com ara:  Amb peces ceràmiques en forma de rajoles.  Directament fent servir el fang sense coure per rematar les cobertes.  Amb peces planes de pedra, principalment de pissarra.  I també amb rajoletes de terrissa.

10. RAJOLES DE CERÀMICA RAJOLES DE PEDRA DEPISSARRA

11.  Com a minim 10 diapositives  Per la setmna que ve  1 pregunta a cadascu del que hem fet  Les cobertes  Com es construeixen  Materials  Tipues de cobertes

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Les cobertes

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Les cobertes