| 摘要 |
PURPOSE: A door frame is provided to be easily assembled into a construction and to reduce a constructing time and a cost with an increase strength and a light structure. CONSTITUTION: A foaming filler(6) is filled in a surface unit(2). A bubble concrete and a pore concrete are used for the foaming filler to reduce the weight of a construction. A supporting member(4) and a reinforcing net(8) adds the strength and the durability to a door frame. Therefore, the inner section of the door frame is composed of the surface unit, plural supporting members embedded in the surface unit and the filler fixing the supporting member to the surface unit from outside.
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