Construction works: light steel keel partition in a ceiling ceiling, the height should be calculated to the ceiling ceiling or calculated to the bottom of the concrete floor?
Light steel keel wall is to rely on the ground and the floor at the end of the two connections to maintain stability, since the keel has been received at the end of the floor, of course, is calculated to the bottom of the floor rather than the top of the ceiling.
When calculating the area of the ceiling, the cross section of the light steel keel shall be reduced.
