E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 5/08 (2006.01) E04B 5/32 (2006.01) E04B 5/48 (2006.01) E04C 2/36 (2006.01)
Patent
CA 2093119
The invention presents a technique to development of plane hollow reinforced concrete floor slabs with two-dimensional structure. Constructions developed by this technique will widely and with considerable profit replace conventional floor structures. The technique makes it possible to chose higher strength and stiffness, less volume of materials, greater flexibility, better economy or an arbitrary combination of these gains. The technique makes it possible to create a total balance between bending forces, shear forces and stiffness (deformations), so that all design conditions can be fully optimized at the same time. The technique presents a distinct minimized construction, characterized by the ability that the concrete can be placed exactly where it yields maximum capacity. The technique offers unusual profits compared with the conventional compact two-way reinforced slab structure: less volume of materials (concrete 40-50 %, steel 30-40 %); 100-150 % higher strength; up to 200 % higher span. The technique is suitable for both in situ works and for prefabrication.
Breuning Joergen Illner
Fetherstonhaugh & Co.
LandOfFree
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