| 摘要 |
A number of temporary supports are placed on the site surface, accurately locating the floor assembly on the supports, and providing a space between the floor assembly and the surface. Forms are located on the surface below the floor assembly. Concrete is poured to occupy space between the form, the surface and a portion of the floor assembly so that, after the concrete is set, the supports are removed and the floor assembly is supported by the concrete. The floor assembly (10) comprises upper (12) and lower (14) skins, with perimeter webs (18) connecting the skins together adjacent peripheries of the skins to form a plenum chamber (32) between the skins and the webs. Services and air can be supplied from the plenum chamber.
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