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Nettoyage des coffrages

Quand faut-il enlever les coffrages en béton ?

Le nettoyage des coffrages à l’aide des fluides innovants Betoff vous permet d’économiser du temps et de l’argent. Cependant, avant de nettoyer le coffrage, il faut le démonter. Les moules ne doivent pas être enlevés tant que le béton n’a pas suffisamment durci pour pouvoir supporter les charges qui peuvent être exposées.

Suffisamment durci pour pouvoir supporter les charges qui peuvent être exposées.

La période de support (la période qui doit s’écouler entre le moment où le béton est coulé dans le moule et celui où il est décoffré). Cette période varie en fonction du type de ciment utilisé et du type de coffrage. En règle générale, les structures porteuses ne doivent pas être enlevées avant 7 jours, et les structures en bois 28 jours à compter du jour de la mise en œuvre du béton.

Nettoyage des coffrages. CE À QUOI IL FAUT FAIRE PARTICULIÈREMENT ATTENTION LORS DU DÉCOFFRAGE

Le coffrage ne doit en aucun cas être retiré avant que le béton n’ait acquis une résistance d’au moins deux fois la résistance que le béton avait initialement lors de la mise en œuvre.

La résistance en question est celle du béton utilisant le même ciment et les mêmes granulats, dans les mêmes proportions, et durci en température.

Mêmes proportions, et durci dans des conditions de température et d’humidité similaires à celles de la région.

Lorsque cela est possible, le coffrage doit être laissé plus longtemps pour permettre au béton de mieux durcir.

Dans des circonstances normales (généralement lorsque la température est supérieure à 20°C) et lorsque du ciment ordinaire est utilisé, les moules peuvent être retirés après différentes périodes.

  • Murs, colonnes et faces verticales des poutres 24 à 48 heures, sur décision de l’ingénieur en chef.
  • Plaques (appuis laissés en dessous) Trois jours
  • Soffites des poutres (appuis laissés) 7 jours
  • Enlèvement des appuis en planches (portée jusqu’à 4,5 m) 7 jours
  • Dépose des appuis en planches (longueur supérieure à 4,5 m) 14 jours
  • Dépose des supports de poutres et d’arcs (portée jusqu’à 6 m) 14 jours
  • Enlèvement des supports de poutres et d’arcs (plus de 6 m de long) 21 jours
  • Pour le ciment à durcissement rapide, 3/7 de la période susmentionnée suffisent dans tous les cas, sauf pour les côtés verticaux des planches, des poutres et des colonnes qui doivent être laissés pendant 24 heures.

Tous les coffrages doivent être enlevés sans heurts ni vibrations, car cela pourrait endommager le béton armé. Avant de retirer le plancher et les entretoises, la surface du béton doit être exposée, si nécessaire, pour s’assurer que le béton a suffisamment durci. Des précautions doivent être prises pour réduire le degré de durcissement de tous les composants.

De durcissement qui se produira pour tous les composants par temps froid.

Nettoyage des coffrages avec BETOFF-BIO

NETTOYER LES COFFRAGES ? COMMENT NETTOYER LES COFFRAGES EN BÉTON ?

Les coffrages en béton sont très sensibles aux salissures de ciment et doivent être nettoyés avec des produits professionnels créés à cet effet.

Professionnels créés à cet effet. La plupart des liquides de nettoyage des coffrages sont ceux utilisés pour enlever le béton des camions ou des machines à béton.

Des camions ou des machines à béton. Ils sont principalement utilisés dans la construction de routes, de bâtiments résidentiels et d’autres installations.

D’autres installations. Jusqu’à récemment, il n’y avait pas beaucoup de choix sur le marché. Tous les fluides d’enlèvement du béton étaient très similaires en termes de composition et d’efficacité. Cependant, comme dans toutes les industries, des solutions innovantes sont apparues dans le secteur des produits chimiques destinés à l’industrie de la construction.

Dans le domaine des produits chimiques destinés à l’industrie de la construction, qui ont considérablement facilité le travail. Dans le cas des fluides d’enlèvement du béton, une telle innovation est sans aucun doute le liquide Betoff et sa variante biodégradable Betoff-Bio.

NETTOYER LES COFFRAGES. LES LIQUIDES DE NETTOYAGE INNOVANTS POUR LES COFFRAGES SONT-ILS MEILLEURS

QUE LES LIQUIDES CONVENTIONNELS ?

L’innovation dans le cas des liquides Betoff et Betoff-Bio est qu’ils ne sont pas inflammables et n’irritent pas la peau. Ils ne brûlent pas lors de l’application, n’irritent pas les voies respiratoires et sont trois fois plus puissants que les autres liquides disponibles sur le marché. Quant au Betoff-Bio, c’est un liquide d’origine végétale qui dissout parfaitement les taches fraîches de béton.

Taches de béton frais. Il dissout l’huile, la graisse, le calcaire et les salissures de ciment sur n’importe quelle surface.

Nettoyage des coffrages

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