protectii antifoc
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![Page 1: protectii antifoc](https://reader035.vdocuments.mx/reader035/viewer/2022081506/55cf9cea550346d033ab86af/html5/thumbnails/1.jpg)
PROTECTII
CONTRA
ACTIUNII
FOCULUI
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Clasificare la actiunea focului:
performanta de reactie la foc;
performanta de rezistenta la
foc;
stabilitate la incendiu.
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Comportarea materialelor functie de comportarea la
foc:
clase de performanta pentru reactie la foc;
clase de performanta de rezistenta la foc;
clase de performanta la foc exterior a
acoperisurilor.
o clase: A, B, C, D, E, F;
o emisie de fum: s1, s2, s3;
o picaturi / particule aprinse: d0, d1, d2.
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Criteriile de performanta de rezistenta la foc sunt:
capacitate portanta - R;
etanseitate la foc- E;
izolare termica – I;
izolare termica a usilor si obloanelor – I1, I2;
autoinchidere – C.
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Clasificare elementelor de constructie functie de
performanta la actiunea focului:
elemente structurale:
o pereti (REI – 120’, 180’, 240’);
o plansee (REI – 60’, 90’, 120’, 180’);
o stalpi (R – 180’, 240’);
o grinzi (R – 120’, 180’, 240’);
o scari (R – 15’, 60’);
elemente nestructurale
pereti exteriori (EI – 15’, 30’);
pereti interiori (EI – 45’, 60’, 90’ 120’, 180’, 240’);
usi si obloane (I1, I2).
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Funcţie solutia constructiva
folosita:
placare;
protectie cu materiale
spumante.
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Protectii
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Materialele protejate pot fi
din:
metal;
beton armat;
lemn.
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Protectie - placari
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Protectie - placari
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Protectie – placari
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Protectie - placari
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Protectie - placari
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Protectie - placari
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Protectie – materiale spumante
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Teste – pereti
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Teste – usi, ferestre si obloane
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Teste – usi, ferestre si obloane
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Teste – usi, ferestre si obloane