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A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel-reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving (see below). [1] [2]
The distance between ribs is typically 915 mm (3 ft). [3] The height of the ribs and beams should be 1 ⁄ 25 of the span between columns. [3] The width of the solid area around the column should be 1 ⁄ 8 of the span between columns. Its height should be the same as the ribs. [3] Diagram showing waffle slab rib and Beam Heights rule of thumb ...
Radiant cooling from a slab can be delivered to a space from the floor or ceiling. Since radiant heating systems tend to be in the floor, the obvious choice would be to use the same circulation system for cooled water. While this makes sense in some cases, delivering cooling from the ceiling has several advantages.
A ceiling can also be the upper limit of a tunnel. The most common type of ceiling is the dropped ceiling, [citation needed] which is suspended from structural elements above. Panels of drywall are fastened either directly to the ceiling joists or to a few layers of moisture-proof plywood which are then attached to the joists. Pipework or ducts ...
The Pal-Kal method offered an easier, faster, and cheaper solution for casting ceilings compared to traditional reinforced concrete slabs. However, certain applications of this method were proven to be extremely dangerous, and the use of non-standard Pal-Kal ceilings was the main cause of the collapse of the Versailles wedding hall disaster .
Lath seen from the back with white plaster coat oozing through. Lath and plaster is a building process used to finish mainly interior dividing walls and ceilings. It consists of narrow strips of wood which are nailed horizontally across the wall studs or ceiling joists and then coated in plaster.
The space enclosed in a church between the outer gate or railing of the rood screen and the door of the screen. Apron 1. A raised panel below a window or wall monument or tablet. 2. An open portion of a marine terminal immediately adjacent to a vessel berth, used in the direct transfer of cargo between the vessel and the terminal. 3.
Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum; however, some drop-ceiling designs create a tight seal that does not allow for airflow and therefore may not be considered a plenum air-handling space. [1] [2]