Multifunctional load-bearing element structures of buildings and constructions
(57) Abstract:The invention relates to the General and special machine building, industrial and civil construction and, in particular, may find application as a multi-carrier designs of buildings and constructions. The technical result of the invention is to provide a high bearing capacity of the structural element with increasing external load, static or variable. Multifunctional load-bearing element structures of buildings and constructions contains enclosed in a shell of metal center plate, covered side metal plates resting on elastic shell loaded by internal pressure generated by an external pressure source. Introduced several active mechanisms of resistance placed in the longitudinal center plane of the plate in places expected tension and compression, the center plate when the external loading, with active resistance mechanisms is made in the form housed in a casing with a working multiple body piston kit piston rod, with the housing cavity through distribution pipes and the collector connected to the EXT is 1 C. p. F.-ly, 5 Il. The invention relates to the General and special machine building, industrial and civil construction and, in particular, may find application as a multi-carrier designs of buildings and constructions (MACSIS).Famous bridge farm crane, consisting of the main and sub beams in the cavity of the box girder by welding reinforced elements that increase its strength against twisting and buckling (patent of Russian German N 2853658 from 27.01.1983, MPK7 B 66 C 6/00).The existing load-bearing elements are designed for a maximum load corresponding margin of safety. This load they experience extremely rare, but the weight of the ballast are constantly.Known bearing element structures of buildings or structures containing enclosed in a shell bearing center plate, covered side disposable plates with a positive radius of curvature, based on the elastic membrane loaded by internal pressure generated by an external pressure source (RF patent N T from 28.08.1998, MPK7 E 04 C 3/07).Described bearing element adopted for the prototype.Known design and are cost structure, increasing its strength, reliability and other consumer qualities.Technical task, which directed the claimed design is further proportional increase stability of the bearing member with increasing external load static or variable.The problem is solved in that in the multipurpose bearing element structures of buildings and structures containing enclosed in a shell bearing center plate, covered side disposable plates with a positive radius of curvature, based on the elastic membrane loaded by internal pressure generated by an external pressure source, put one, two or more active resistance mechanisms placed in the longitudinal center plane of the plate at locations of expected maximum tension and compression pivot plate when the external voltage, with active resistance mechanisms is made in the form housed in a casing with a working medium of a multiple piston (f) set with the rod, moreover, sections of the housing through the distribution pipeline, and a collector connected to the external pressure source and the piston and the rod, and each of the used liquid, powder expanding and hardening of the mass, for example, alabaster, gaseous substances or combinations thereof, depending on the type of operation (stationary object or mobile).The connection of the piston or the piston rod and each section of the casing with metal plates made, for example, by means of locks.The invention is illustrated by drawings, where:
in Fig. 1 - shows a cross-section of the multi-function support member structures of buildings and constructions;
in Fig. 2 is a schematic diagram of a longitudinal section of the active mechanism of resistance with symmetrical with respect to the axis of the shaft by the piston and asymmetrical;
in Fig. 3 is a longitudinal cross-section of the section of the active mechanism of resistance;
in Fig. 4, 4A - plot distribution of forces when loading multi-function support member structures of buildings and structures.Multifunctional load-bearing element structures of buildings and constructions contains enclosed in a shell 1 metal center plate 2 covered side metal plates 3 with a positive radius of curvature, based on the elastic membrane 4, which is loaded by the internal pressure created by the outer East is Noah the plane of the center plate 2 in the expected places of tension and compression the center of the plate 2 when the external loading, this active resistance mechanisms 6 made in the form accommodated in the housing 7 with a working medium 8 multiple piston 9 with the rod 10, with the housing cavity 7 through the pipes 11 and the collector 12 is connected with external sources of pressure 13 and the piston 9 or the rod 10 and each section of the housing 7 connected with the metal plates 2, 3.As a working body 8 can be used in liquid, powder curing and expanding mass, for example, alabaster, gaseous substances or combinations thereof, depending on the type of operation (stationary or transport).The connection of the pistons 9 and the rod 10 and each section of the housing 7 with metal plates 2, 3 is carried out using, for example, locks 14.The operation of the multifunctional support member structures of buildings and structures is as follows. Under the action of external loads, which may be concentrated, distributed or mixed start to deform the center plate 2, the stability of which is insured side plates 3, which in turn propped up perpendicular to the plane of the center plate 2 distributed gavlenebis body type alabaster proportional to the external load.In turn, the elastic membrane 4 is based on the outer shell 1, which forms the outer case element multifunctional support member structures of buildings and structures.Active mechanisms 6 resistance to axial load and, as shown in Fig. 4 schematically external load deforms the element beams so that the neutral axis of the bend radius R, without changing the linear dimensions. At the same time the shell at radius R1is compressed, and the radius R2is stretched.To compensate for these deformations in the design of multifunctional load-bearing element structures of buildings and structures provided by the system of active mechanisms 6 resistance, in which the pressure is supplied from an external source 13 is proportional to the external load for transport systems, or permanently from mechanics enlarged powder mass under the maximum external load for stationary systems.Work multiple piston 9 is functionally connected with the external load and, in particular, with changes in the linear dimensions of the arcs R1and R. Plot compressed and stretched fibers of Fig. 4 shows the nature of actors and fur the load (pressure of the working fluid) from external sources by collector 12 and the pipes 11 a controlling influence on the compressed and stretched part of the Central plate 2 and side plates 3.Work MACSIS in terms of the concentration of the load closer to the middle of the span will be paired with a concentration higher voltage here, as shown in Fig. 4. In order to discharge the design of a multiple piston set 9 provides smaller step between the pistons in the area of high stress concentration or by increasing the diameter of the piston 9 or the local increase of pressure in the piston 9.Thus, the proposed design of multifunctional load-bearing element structures of buildings and structures provides high resistance load-bearing element with increasing external load static or variable. 1. Multifunctional load-bearing element structures of buildings and structures containing enclosed in a shell bearing center plate, covered side disposable plates with a positive radius of curvature, based on the elastic membrane loaded by internal pressure generated by an external pressure source, wherein the introduced one, two or more active resistance mechanisms placed in the longitudinal center plane of the plate in places expected the resistance made in the form housed in a casing with a working medium of a multiple piston sleeve set with stock, what section of the housing through the distribution pipes and the collector is connected with an external pressure source, and the pistons of each section and the stem, and each section of the housing are rigidly connected with disposable plates.2. Bearing element under item 1, characterized in that the working medium can be liquid, powder expanding and hardening of the mass, such as alabaster, gaseous substances or combinations thereof depending on the nature of the operation.
FIELD: building, particularly load-bearing structure of different buildings and building structures.
SUBSTANCE: beam comprises main frame composed of upper and lower belts and stiffening ribs arranged in-between, side walls of corrugated thin sheets connected with the frame so that corrugations of the sheets extend along longitudinal beam axis. Beam also has reinforcing ribs extending along longitudinal beam axis and arranged in side wall corrugations. The reinforcing ribs have flanges unconnected with stiffening ribs and belts along the full beam length or in beam zones characterized by maximal stresses.
EFFECT: increased load-bearing reliability, rigidity and stability in plane of flexure.
2 cl, 4 dwg
FIELD: technological processes.
SUBSTANCE: method for thermoprofile production involves strip feed to profile bending mill, sequential transit-wise element overcast by profile-bending mill rollers, perforation of slit row with deflanging in apron form, in checkered order on profile wall. Before feeding to profile-bending mill strip is unrolled from roll and shifted to form compensation loop. After perforation of slit row the profile surface is evened in leveling unit with further profile cutting at given length. Transfer line of cold shaping for thermoprofile production includes profile-bending mill with instrumental adjustments, device for perforation of checkered pattern of slits deflanged in apron form in wall of continuously moving profile. Unrolling and receiving units are positioned in series before profile-bending mill, and after slit perforation device a cutter is positioned. Slit perforation device features leveling unit.
EFFECT: extended functional capacities.
2 cl, 1 dwg
SUBSTANCE: invention pertains to construction, in particular to constructions of netted thermo profiles with C or U-shaped section, used as bearing frame elements of pre - fabricated buildings, roofs, fronts, balcony walls, where it is necessary to eliminate "cold joints" effect, and to the method of manufacture of netted thermo profiles. Set task is solved through consecutive vertical drawing of slots made in the central part of the blank symmetrical to the profiling axis from utter rows of the blank to the center in drawing cages forming a netted construction, and further in smoothing cages netted construction is displaced from the center to the edges by smoothing rollers with simultaneous leveling of the netted surface, whereat cells in internal rows of the netted construction acquire diamond shape, and lateral - triangle shape with rounded top, thereat excess of longitudinal draw of the metal on the bridges between the through cells are eliminated by knurling in the shape of buckles in the extension zone.
EFFECT: creation of netted thermo profile having smaller width of the initial blanks (strip) to save up material, retaining geometric characteristics and heat conduction of thermo profiles of identical cross section.
3 cl, 5 dwg
SUBSTANCE: shape comprises two shelves and a side wall between shelves with a groove in the central part. Shelves contain perpendicular bends directed towards each other. The groove forms ledges with height exceeding shape thickness. The shape is made as capable of coupling and joining of two shapes. Shelves are made of different width, with a difference equal to double thickness of the shape. Ledges are made of different height, with a difference equal to thickness of the shape. The large ledge is arranged at the side of the larger shelf. The composite element comprises a coupled pair of single-type shapes. Shapes are turned towards each other by inner surfaces and are matched to form a shape element of closed box-shaped cross section. The large shelf covers a smaller shelf coupled with it at the opposite sides of the element.
EFFECT: higher bearing capacity and reduced labour inputs in manufacturing.
8 cl, 4 dwg
SUBSTANCE: beam with a wall corrugated with an asymmetric profile comprises a compressed and an extended belt and a wall. The wall at least on some sections is traditionally or alternately corrugated with transverse corrugations. The profile of corrugations is asymmetric relative to the plane stretching via the corrugation top and normal to the longitudinal axis of the beam.
EFFECT: increased bearing capacity of a beam.
10 cl, 8 dwg
FIELD: machine building.
SUBSTANCE: invention is related to long-length hollow multisided profile. A long-length hollow multisided profile intended to be used in support structures of pipelines and cable conduits has at least three sides, and a bolt hole is provided on at least one side of the profile and a fixing hole is provided on at least one side of the profile. Two adjacent sides located in essence at a right angle to each other are fitted by bolt holes with the length of the latter in longitudinal profile direction being greater than that in transverse direction, the third profile side is fitted by a fixing hole that provides for passing of a bolt through the fixing hole to the bolt holes on both adjacent sides located in essence at a right angle to each other.
EFFECT: lower labour inputs for the connection of the profile to other components, reduced labour expenditures.
5 cl, 4 dwg
SUBSTANCE: biplastic beam consists of the upper and lower flanges, a vertical wavy wall, an adhesive composition and stiffening ribs, installed in bearing sections and places of the application of concentrated loads. The upper and lower flanges are made of carbon fibre channels, the walls of which form the upper and lower edges of the beam, at that the vertical wavy wall made of fibreglass plates is adjacent to inner horizontal surfaces of the upper and lower flanges by longitudinal edges, and glued to the inner vertical surfaces of the upper and lower flanges by ridges, at that the inner space of the channels is filled with the adhesive composition, and stiffening ribs are glued to the vertical wavy wall and to the upper and lower flanges.
EFFECT: increase of the load-bearing capacity of the beam, its torsional stiffness.
4 cl, 6 dwg
SUBSTANCE: beam with a continually retained wall comprises a compressed and an extended belts and a wall, besides, a flat wall in areas of action of transverse forces and/or torques of considerable intensity is reinforced by mostly transversely installed stiffening ribs in the form of preferably metal shapes adjoining each other with a gap providing for reliable connection of ribs to each other and to a wall, at the same time the shape and calibre of ribs may change along the length of the wall in accordance with variation of intensity of acting forces.
EFFECT: reduced material intensity of a beam and its increased bearing capacity.
9 cl, 5 dwg
SUBSTANCE: unit is made using additional elements of Z-shaped cross section, which are inserted one into the other under a run on a support and are connected to each other and to runs using bolts via oval holes in walls of elements. At the same time forces are transferred directly from an element to an element without loading of fastening elements in oval holes.
EFFECT: increased bearing capacity and reliability of a supporting unit.
SUBSTANCE: complete delivered building includes crossbars (or their parts) and stands (or their parts) of the framework, consisting of universal standard elements containing a variable and corrugated wall, or from the complex of universal standard elements one part of which, located on sections of intensive cross forces and/or torques, contains traditional or variable and corrugated wall, and another part of the elements located on the section with high intensity of bending moments and rather small intensity of cross forces and/or torques contains the flat wall. Stands and/or crossbars in the level, at least, of one of belts (most compressed) contain the rolling metal profile of the closed cross section, with filling of the cavity with the grout based on non-shrinking or expanding cement. Girders operate statically according to non-cutting design.
EFFECT: decrease of metal consumption of the building framework, reduction of nomenclature of bearing elements, improvement of technological effectiveness of production and installation of the building structures, building protection from progressing collapse at emergency impact.
12 cl, 11 dwg