Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a sandwiched fireproof door. The sandwiched fireproof door comprises an external protective steel plate, a fireproof coating applied on the outer surface of the protective steel plate, and a concrete door blank wrapped in the protective steel plate, wherein the door blank comprises concrete and circular steel tubes at the inner part of the concrete; the steel tubes adopt iron-based materials, so that the need for load bearing strength can be effectively guaranteed, and the steel tubes have favorable corrosion resistance in contact with the concrete. According to the sandwiched fireproof door disclosed by the invention, the concrete is the mixture of various materials, and the compressive strength reaches 7d:32MPa, and 28d:48MPa.
The invention discloses a sandwiched fireproof door. The sandwiched fireproof door comprises an external protective steel plate, a fireproof coating applied on the outer surface of the protective steel plate, and a concrete door blank wrapped in the protective steel plate, wherein the door blank comprises concrete and circular steel tubes at the inner part of the concrete; the steel tubes adopt iron-based materials, so that the need for load bearing strength can be effectively guaranteed, and the steel tubes have favorable corrosion resistance in contact with the concrete. According to the sandwiched fireproof door disclosed by the invention, the concrete is the mixture of various materials, and the compressive strength reaches 7d:32MPa, and 28d:48MPa.
Sandwiched fireproof door
ZHENG FEI (Autor:in)
23.12.2015
Patent
Elektronische Ressource
Englisch
IPC:
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
/
C04B
Kalk
,
LIME
/
C22C
Legierungen
,
ALLOYS
Sandwiched color-steel fireproof heat preserving plate
| Europäisches Patentamt | 2015