| 摘要 |
There is disclosed a novel precast building structure system for a polygonal building, preferably a twelve-sided building structure. In particular, the precast structures are constituted by four basic units namely, a system of central core elements, a floor panel system constituted by essentially identical precast concrete floor elements, a plurality of like numbered wall elements which may have openings of various kinds for doors, windows, etc., and a plurality of roof panel elements corresponding in number to the number of wall panels and floor panels but staggered in relation to the wall panels and juxtaposed over the floor panels. The wall panels rest on the piers and are secured via weld plates and at spaced points to the ends of the floor panels. The floor panels and the roof panels incorporate a unique T-beam construction which in conjunction with the integrally cast complementary pairs of triangularly shaped floor and/or roof panel portions, is reinforced with steel. The roof panels include a beam portion and an integrally cast pair of angled flange portions, the angle being proportional to the pitch of the roof and the number of sides (which determine the included angle between adjacent wall panels) of the building. The individual floor panels, roof panels, and wall panels have incorporated conventional inset securement or fastening members such as concrete anchored weld plates so that the entire structure, constituted by the stacked core elements, piers or pillars, the floor panels, the wall panels and roof panels, is welded into an integral monolithic unit.
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