E - Fixed Constructions – 04 – H
Patent
E - Fixed Constructions
04
H
E04H 1/06 (2006.01) A63H 33/06 (2006.01) A63H 33/10 (2006.01) E04B 1/02 (2006.01) E04H 5/02 (2006.01) E04B 1/00 (2006.01)
Patent
CA 2163464
The contemporary society has a big variety of functional requirements. Subsequently, the construction is called to accomplish structural spans of several ranges. The beams provide the spans and represent the first technological and financial problem of the construction. The bending moment of a beam is proportional to the second power of the span. It means, the magnification of the bending moment is exponential in relation to the increase of the span. In case of a span increase, the bending resistance of the beam must follow the magnification of the bending moment. The bending resistance must magnify exponentially too. That is why, now, the beams of different span ranges have different constitutions -full-web beams: rectangular beam, I-beam, box-girder etc.; open-web beams: Virendel-type, trussed beam, space frames etc.. The construction provides a high variety of beam types, it means - a high technological variety. In case of a serial production, the unit price decreases proportionally to the size of the series, it means - proportionally to the technological homogeneity. Otherwise, the unit price increases proportionally of the technological variety. The general contemporary situation could be described as a high technological variety, about its maximum, of the execution of the beams, a substantial organizational difficulties in the building sites, an aesthetic noncompatibility among the beams and a high price per constructional volumetric unit. The present invention offers a modular combinatorial resolution of the problem. The modulation allows to subdivide the beam to modules smaller than its entire size. The smaller module is more flexible. The flexibility allows to endow the module with combinatorial qualities. It is possible, combining the same module, to increase the span of the beam and to increase its deepness keeping up the concentration of the material in the beam's section extremities. The concentration in the section extremities means keeping up a strong moment of inertia in conformity with the span. The bending resistance of the beam is proportional to the moment of inertia. According to the process of combinatorial magnification the bending resistance of the beam magnifies exponentially in conformity with the magnification of the bending moment. The embodiment of the invention contains one trapezium-shaped combinatorial module, which constitutes beams, one rectangular module of several lengths, which constitutes floors, and one module, which constitutes stairs. The combinatorial power of the trapezium-shaped module provides beams of several span ranges per one level of hierarchical combinatorial reproduction and one open succession of hierarchical combinatorial reproductions. The invention ensures the functional-structural variety by the help of one module-type only. The technological homogeneity is about its maximum, the unit price - about its minimum The general situation, based on a modular, combinatorial, multispan system, could be described as a high technological homogeneity of the execution of the beams, an organizational simplicity in the building sites, an aesthetic compatibility among the beams and a low relative, in relation to the relevant multitude of traditional technologies, price per constructional volumetric unit.
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