CN103924657A - Eccentric supporting system of modular multi-high-rise assembly type steel structure gripped steel beam frame - Google Patents

Abstract

The invention relates to a modular multi-high-rise assembled steel structure occlusal steel beam frame eccentric support system, which belongs to the technical field of structural engineering. The modular multi-high-rise assembled steel structure occlusal steel beam frame eccentric support system is composed of assembled floor slabs, assembled flange columns and assembled oblique supports with bolts; the assembled floor includes A plate, B plate Bolts are used for splicing between the prefabricated floor and the C plate; the corrugated web occlusal steel beam is assembled by two corrugated channel steel beams through bolts and prestressed cables; the beam-column nodes of the steel structure system and The connection of the braces to the frame is welded at the factory. The multi-high-rise assembled steel structure frame support system of the present invention realizes factory production, rapid assembly on site, increases construction speed, shortens construction period, reduces project cost, reduces environmental pollution, and the steel can be recycled after dismantling, which is a green Environmentally friendly structural system.

Description

Modular multi-story fabricated steel structure occlusal steel beam frame eccentric support system

technical field

The invention relates to a modular multi-high-rise assembled steel structure occlusal steel beam frame eccentric support system, belonging to the technical field of structural engineering.

Background technique

At present, the multi-high-rise fabricated steel structure system is the main development direction of the steel structure residential system. A lot of on-site welding is used in the construction of traditional steel structure residential buildings, the construction speed is slow, and the pollution to the environment is serious. The most important thing is that the quality of the welds is not suitable for control, which seriously affects the safety performance of the building. It completely overcomes the shortcomings of traditional steel structure houses.

In the prefabricated steel structure system, the on-site assembly of beams and beams is a key issue. In the existing prefabricated steel structure system, two channel steels are usually used for assembly, and the webs of the two channel steels are butted and connected by bolts to form a prefabricated H-shaped steel. However, in this splicing method, the shear force is transmitted to the web through bolts, and the web is a flat steel plate, so the number of bolts required and the amount of steel used for the web are large, and the shear bearing capacity needs to be improved. At the same time, when used in a large-span fabricated steel structure system, the traditional fabricated steel components need to greatly increase the height and area of the beam section, increasing the amount of steel used.

It can be seen that the effect of using traditional steel components in the fabricated steel structure system is not very satisfactory, which not only affects the mechanical performance of the components, but also consumes a large amount of steel, resulting in unnecessary waste. To sum up, innovating a prefabricated steel structure system composed of a new type of force-bearing components is the only way for the development of prefabricated steel structures.

Contents of the invention

The invention proposes a modular multi-high-rise assembled steel structure occlusal steel beam frame eccentric support system belonging to the technical field of structural engineering. Its purpose is to provide a steel structure system suitable for assembly with low cost and superior mechanical performance.

Technical scheme of the present invention is as follows:

Modular multi-story prefabricated steel structure occlusal steel beam frame eccentric support system, characterized in that the multi-story prefabricated steel structure system is assembled by prefabricated floor slabs and prefabricated flange columns using bolts; the prefabricated The floor is spliced by three prefabricated floor plates A, B and C; the corrugated web occlusal steel beam is assembled by two corrugated channel steel beams through bolts and prestressed cables; the advantage is that the corrugated web The prefabricated steel structure system composed of plate occlusal steel beams significantly improves the bearing capacity of the prefabricated steel girders and reduces the amount of steel used. At the same time, it can realize large-scale industrial production and on-site rapid assembly, reducing the construction period.

The A-plate includes two short main beams I, secondary beams I, secondary beams II, stiffening plates, floor slabs, column bases, and connecting plates; all components of the A-plate are processed in the factory and then welded and The shear key connection assembles each component into the new prefabricated floor A; two short main girders I are placed vertically, and the short main girders are connected through column bases and stiffening plates. The upper and lower flanges of the two short main girders are flush, and the two sides of the stiffening plate are respectively connected with the flanges of the short main girder I. The two stiffening plates are respectively connected to the upper flange and the lower flange. The parts are all welded; the secondary beam I is perpendicular to the secondary beam II, perpendicular to a short main beam I, and connected to a short main beam I and secondary beam II through a stiffening plate, and the two sides of the stiffening plate are connected to a short main beam The flanges of Ⅰ and secondary beam Ⅰ, and the flanges of secondary beam Ⅰ and secondary beam Ⅱ, two stiffening plates are respectively connected to the upper flange and the lower flange, and all the connection parts are welded; the secondary beam Ⅱ is vertical A short main beam I and secondary beam I are connected to a short main beam I and secondary beam I through a stiffening plate, and the two sides of the stiffening plate connect the flanges of the short main beam I and secondary beam II, and the secondary For the flanges of beam I and secondary beam II, the stiffeners are respectively connected to the upper flange and the lower flange, and all the connection parts are welded; the two connecting plates are located at the ends of the short main beam The upper and lower ends of the plate are connected to the flange of the short main beam I, and one side is connected to the web of the short main beam I; a connecting plate is located at the end of the secondary beam II, and the upper and lower ends of the connecting plate are connected to the flange of the secondary beam II One side is connected to the web of the secondary beam II, and the connection method is welding; the floor is placed on the plane surrounded by each beam, and the floor is connected to each beam by using a shear key.

The B plate includes short main beam I, short main beam II, secondary beam I, secondary beam II, secondary beam III, stiffening plate, floor slab, column seat, main beam end plate, connecting plate; all components of the B plate They are all processed and manufactured in the factory, and then the various components are assembled into the new prefabricated floor B by welding and shear key connection; the secondary beam I is perpendicular to the short main beam I and the secondary beam III, and the secondary beam I and the The short main beam I and the secondary beam III are connected, and the two sides of the stiffening plate are connected to the flange of a short main beam I and the secondary beam I, and the flanges of the secondary beam I and the secondary beam III, and the two stiffening plates are respectively It is connected to the upper flange and the lower flange, and all the connection parts are welded; the two short main girders I are placed on the same line and connected through the column base, and the upper and lower flange plates of the column base are connected to the two short main beams respectively. The upper and lower flanges of the main beam I are flush, and all the connection parts are welded; the short main beam II is parallel to the secondary beam II, perpendicular to the two short main beams I and III, and the stiffening plate is connected to the two short main beams Ⅰ, the upper and lower flange plates of the column base are respectively flush with the upper and lower flanges of the short main beam II, and the two sides of the stiffened plate are respectively connected with the flanges of the short main beam Ⅰ and short main beam II. The plates are respectively connected to the upper flange and the lower flange, and all the connection parts are welded; the secondary beam III is parallel to the two short main beams I, and perpendicular to the short main beam II, secondary beam I and secondary beam II, through Stiffeners and main beam end plates are connected to short main beam II, secondary beam I and secondary beam II; the main beam end plate is located at the end of short main beam II, and the upper and lower ends of main beam end plates are connected to short main beam II The flange of the stiffener is connected, and one side is connected with the web of the short main beam II; the two sides of the stiffened plate are connected with the flange of the secondary beam III and the short main beam II, and the flanges of the secondary beam III and the secondary beam , the stiffeners are respectively connected to the upper flange and the lower flange, and all the connection parts are welded; One side is connected to the web of the short main beam I; one connecting plate is located at the end of the secondary beam II, the upper and lower ends of the connecting plate are connected to the flange of the secondary beam II, and one side is connected to the secondary beam II The webs are connected, and the connection method is welding; the floor is placed on the plane surrounded by each beam, and the floor is connected to each beam by using a shear key.

The C plate includes short main beam II, secondary beam III, stiffening plate, floor slab, column base, main beam end plate, connecting plate; all components of the C plate are processed in the factory, and then welded and sheared The key connection assembles the various components into the new prefabricated floor C. The two secondary beams III are placed vertically and connected by stiffening plates as two adjacent sides of the square prefabricated floor slab C, and all connections are welded; the other two secondary beams III are also placed vertically and connected by stiffening plates. As the other two adjacent sides of the square prefabricated floor slab C, all connections are welded; the four sides of the C slab are connected by a stiffening plate to form a square frame, and the two sides of the stiffening plate are respectively connected with two vertically placed The flanges of the secondary beam III are connected, and two stiffening plates are respectively connected to the upper flange and the lower flange, and all the connection parts are welded; one end of the four short main beams II is respectively connected to the four sides of the column base, The upper and lower flange plates of the column base are respectively flush with the upper and lower flanges of the four short main beams II, two of which are on a straight line, and the other two short main beams II are on a straight line, and the column base is located on the C plate The center of the two adjacent short girders II is connected by a stiffening plate, the two sides of the stiffening plate are respectively connected with the flanges of the two short main girders II, and the two stiffening plates are respectively connected to the upper wing On the flange and the lower flange, all the connection parts are welded; the other end of the short main beam II is connected to the secondary beam III, and is connected to the secondary beam III through the stiffening plate and the end plate of the main beam. The two sides are respectively connected to the flanges of the secondary beam III and the short main beam II, and two stiffening plates are respectively connected to the upper flange and the lower flange, and all the connection parts are welded; the main beam end plate is located on the short The end where the main beam II is connected with the secondary beam III, the upper and lower ends of the end plate of the main beam are connected with the flange of the short main beam II, and one side is connected with the web of the short main beam II, and all the connection parts are welded; The one connecting plate is located at the end of the secondary beam II, the upper and lower ends of the connecting plate are connected with the flange of the secondary beam II, and one side is connected with the web of the secondary beam II, and the connection method is welding; the floor plate It is placed on the plane surrounded by each beam, and the floor is connected to each beam by using shear keys;

The column base is composed of two flange plates and a square steel pipe I, and the two flange plates are respectively located on the two ends of the square steel pipe I, and all connections are welded; the flange column is composed of a square steel pipe II and two flange plates, the two flange plates are respectively located on the two ends of the square steel pipe II, and all connections are welded; the flange column is connected with the column base to form a steel frame structure system, and all connections are connected by bolts;

The prefabricated floor plate A is spliced with the prefabricated floor plate B. The splicing method is to splice the secondary beam I of the A plate and the secondary beam I of the B plate, and the secondary beam II of the A plate and the secondary beam of the B plate Ⅱ for splicing, and all the splicing uses bolts for on-site splicing; the prefabricated floor plate B is spliced with the prefabricated floor plate C, and the splicing method is to carry out the secondary beam III of the B plate and the secondary beam III of the C plate Splicing, all splicing uses bolts for on-site splicing; the basic components of the prefabricated floor system are A board, B board and C board, and the four corner boards of the prefabricated floor system are A board units, and A board units The connection is the B-slab unit, and the C-slab unit is connected to the other side of the B-slab unit, and the middle part of the floor system is the C-slab unit.

The assembled oblique support is composed of cantilever rods and oblique rods. The cantilever rods are directly welded to the corresponding components of the floor in the factory. During on-site construction, the oblique rods and cantilever rods are assembled through cover plates and bolts to form oblique supports. The cantilever bar includes a node cantilever bar and an eccentrically supported beam cantilever bar; the node cantilever bar is located at the junction of the column base and the beam, one side is connected with the flange of the beam, and the other side is connected with the square steel pipe I of the column base. All are welded; the cantilever rod of the eccentric support beam is located in the middle of the beam and welded on the flange of the beam;

The short main girder I and short main girder II are H-shaped steel, or an equivalent H-shaped steel formed by splicing two channel steels back to back, or an equivalent H-shaped steel formed by splicing two T-shaped steels, or four Equivalent H-shaped steel spliced by angle steel;

The secondary beam I, secondary beam II and secondary beam III are prefabricated corrugated web occlusal steel beams, which are assembled by two corrugated channel steel beams through bolts; the corrugated channel steel beams have a cross-sectional shape It is composed of upper and lower flanges and a web, and is characterized in that the upper and lower flanges are parallel to each other, and the web is vertically located between the upper and lower flanges; the section of the web is uniform or uneven and periodically repeated Corrugation, the corrugation section is a trapezoidal corrugation curve. The upper and lower flanges are steel plates, the side of the steel plate parallel to the web is a wave curve, the shape of the corrugated curve is the same as the corrugated section shape of the web, and the web is placed on the edge of the corrugated curve of the upper and lower flanges , the corrugated section of the web coincides with the corrugated curved edges of the upper and lower flanges, and the web and the upper and lower flanges are respectively single-sided fillet welds.

The oblique support is a section steel support, or a composite beam support, or an anti-buckling energy dissipation support, or an energy dissipation support with a damper.

The modular multi-high-rise assembled steel structure occlusal steel beam frame eccentric support system proposed by the present invention subverts the traditional steel structure residential building and fully exerts the advantages of the steel structure residential building. Compared with traditional steel structure buildings, it has many advantages such as high safety performance, fast construction speed, less environmental pollution, fewer safety accidents and low project cost.

Description of drawings

Fig. 1 is the splicing plane layout diagram of the assembled floor slab of the present invention

Fig. 2 is the schematic diagram of prefabricated floor A plate of the present invention

Fig. 3 is the unit exploded view of prefabricated floor A plate of the present invention

Fig. 4 is the schematic diagram of the prefabricated floor B board of the present invention

Fig. 5 is the unit exploded view of the prefabricated floor B board of the present invention

Fig. 6 is the schematic diagram of the prefabricated floor C plate of the present invention

Fig. 7 is the unit exploded view of the prefabricated floor C plate of the present invention

Fig. 8 is an exploded view of the assembled floor column base unit of the present invention

Fig. 9 is an exploded view of the assembled flange column unit of the present invention

Figure 10 is an exploded view of the unit of the corrugated channel steel beam;

Fig. 11 is a schematic diagram of the opening of the beam in the prefabricated floor slab of the present invention

Fig. 12 is a schematic diagram of the node cantilever rod of the present invention

Fig. 13 is a schematic diagram of splicing of the node cantilever rod and the oblique rod of the present invention

Fig. 14 is a schematic diagram of the cantilever bar of the eccentric support beam of the present invention

Fig. 15 is a schematic diagram of the splicing of the eccentric support beam cantilever rod and the oblique rod of the present invention

Fig. 16 is a schematic diagram of the eccentric support form of the present invention

Fig. 17 is an assembly rendering of the present invention

In the figure: 1, short main beam Ⅰ, 2, secondary beam Ⅲ, 3, short main beam Ⅱ, 4, secondary beam Ⅰ, 5, secondary beam Ⅱ, 6, stiffening plate, 7, floor slab, 8, column seat, 9 , Main beam end plate, 10, Flange plate, 11, Square steel pipe Ⅰ, 12, Flange column, 13, Square steel pipe Ⅱ, 14, Node cantilever rod, 15, Eccentric support beam cantilever rod, 16, Slanting rod, 17 , connecting plate, 18, upper and lower flanges, 19, web.

Specific implementation

The present invention is described in detail below in conjunction with accompanying drawing:

As shown in accompanying drawing 1, the splicing position of the prefabricated floor slab of the present invention is set at a place in the main beam where the shear force and bending moment are relatively small. From the perspective of structural mechanics, the setting of the splicing position is very reasonable.

As shown in Figure 2-3, in the eccentric support system of the modular multi-high-rise assembled steel structure occlusal steel beam frame eccentric support system proposed by the present invention, the A plate includes short main beam I1, secondary beam I4, secondary beam II5, stiffening plate 6. Floor slab 7, column base 8, connecting plate 17; both ends of column base 8 are flange plates 10; Assembled into the new prefabricated floor A; the two short main girders I1 are perpendicular to each other, and the two short main girders I1 are connected through the column base 8 and the stiffening plate 6, and the upper and lower flange plates 10 of the column base 8 are respectively connected to the vertical The upper and lower flanges of the two short girders I1 are flush; the two sides of the stiffening plate 6 are respectively connected to the flanges of the short main girder I1, and the two stiffening plates 6 are respectively connected to the upper flange and the lower flange, so The above-mentioned connection methods are all welding; one end of the secondary beam I4 is perpendicular to the secondary beam II5, and the other end is perpendicular to a short main beam I1, and the two are respectively connected to it through the stiffening plate 6, and the two sides of the stiffening plate 6 are respectively connected to a The flanges of short main girder I1 and secondary girder I4 and the flanges of secondary girder I4 and secondary girder II5 are connected to the upper and lower flanges of the two stiffeners 6 respectively, and the connection methods are all welded The secondary beam II5 is perpendicular to a short main beam I1 and secondary beam I4, and is connected with a short main beam I1 and secondary beam I4 through a stiffening plate 6, and the two sides of the stiffening plate 6 connect the short main beam I1 and the secondary beam The flange of II5, and the flanges of secondary beam I4 and secondary beam II5, the stiffeners 6 are respectively connected to the upper flange and the lower flange, and the connection method is welding; the two connecting plates 17 Located at the end of the short main beam I1, the upper and lower ends of the connecting plate 17 are connected to the flange of the short main beam I1, and one side is connected to the web of the short main beam I1; a connecting plate 17 is located at the end of the secondary beam II5, The upper and lower ends of the connecting plate 17 are connected to the flange of the secondary beam II5, and one side is connected to the web of the secondary beam II5. The connection methods are all welded; the floor 7 is placed in the plane space surrounded by each beam, The floor slab 7 is connected to each beam by using a shear key.

As shown in Figure 4-5, in the eccentric support system of the modular multi-high-rise assembled steel structure occlusal steel beam frame proposed by the present invention, the B plate includes short main beam I1, short main beam II3, secondary beam I4, secondary Beam Ⅱ5, secondary beam Ⅲ2, stiffening plate 6, floor slab 7, column base 8, main beam end plate 9, connecting plate 17; all components of the B plate are processed and manufactured in the factory, and then connected by welding and shear keys Assemble each component into the new prefabricated floor B; the two ends of the secondary beam I4 are respectively perpendicular to the short main beam I1 and the secondary beam III2, and the secondary beam I4 is connected to the short main beam I1 and the secondary beam III2 through the stiffening plate 6; The two sides of the stiffening plate 6 are connected to the flanges of a short main beam I1 and the secondary beam I4, and the flanges of the secondary beam I4 and the secondary beam III2, and the two stiffening plates 6 are respectively connected to the upper flange and the lower flange Above, the connection methods are all welding; the two short main beams I1 are placed on the same straight line and connected through the column base 8, the upper and lower flange plates 10 of the column base 8 are respectively connected with the upper and lower wings of the two short main beams I1 The edges are flush, and the connection method is welding; the short main beam II3 is parallel to the secondary beam II5, the two ends of the short main beam II3 are perpendicular to the short main beam I1 and the secondary beam III2, and the stiffening plate 6 is connected to the two short main beams. I1 is connected, the upper and lower flange plates 10 of the column base 8 are respectively flush with the upper and lower flanges of the short main beam II3, and the two sides of the stiffening plate 6 are respectively connected with the flanges of the short main beam I1 and the short main beam II3, The two stiffeners 6 are respectively connected to the upper flange and the lower flange, and the connection method is welding; the secondary beam III2 is parallel to the two short main beams I1, and perpendicular to the short main beam II3, secondary beam I4, secondary beam Beam II5 and secondary beam III2 are connected to short main beam II3, secondary beam I4, and secondary beam II5 through stiffening plate 6 and main beam end plate 9; the main beam end plate 9 is located at the end of short main beam II3, and the main beam end The upper and lower ends of the plate 9 are connected to the flange of the short main beam II3, and one side is connected to the web of the short main beam II3; the two sides of the stiffening plate 6 are connected to the secondary beam III2, the flange of the short main beam II3 and The flanges of secondary beam III2 and secondary beam I4 are connected to secondary beam III2 and secondary beam II5, and the stiffener plate 6 is connected to the upper flange and lower flange respectively, and the connection methods are all welded; the two The connecting plate 17 is located at the end of the short main beam I1, the upper and lower ends of the connecting plate 17 are connected with the flange of the short main beam I1, and one side is connected with the web of the short main beam I1; one connecting plate 17 is located at the end of the secondary beam II5 At the end, the upper and lower ends of the connecting plate 17 are connected to the flange of the secondary beam Ⅱ5, and one side is connected to the web of the secondary beam Ⅱ5, and the connection method is welding; the floor 7 is placed on the plane surrounded by each beam Above, the floor slab 7 is connected to each beam by using a shear key.

As shown in Figures 6-7, in the eccentric support system of the modular multi-high-rise assembled steel structure occlusal steel beam frame proposed by the present invention, the C plate includes a short main beam II3, a secondary beam III2, a stiffening plate 6, and a floor plate 7 , column base 8, main beam end plate 9, connecting plate 17; all components of the C plate are processed and manufactured in the factory, and then each component is assembled into the new type of prefabricated floor C by welding and shear key connection; The two secondary beams III2 are placed vertically and connected by the stiffening plate 6 as the two adjacent sides of the square prefabricated floor C, and the connection methods are welding; the other two secondary beams III2 are also placed vertically and connected by the stiffening plate 6 for connection, as the other two adjacent sides of the square prefabricated floor slab C, the connection methods are welding; the stiffening plate 6 connects the four sides of the C plate to form a square frame, and the two sides of the stiffening plate 6 They are respectively connected to the flanges of two secondary beams III2 placed perpendicular to each other, and two stiffeners 6 are respectively connected to the upper flange and the lower flange, and the connection methods are all welded; one end of the four short main beams II3 is respectively Connected to the four sides of the column base 8, the upper and lower flange plates of the column base 8 are flush with the upper and lower flanges of the four short main girders II3, of which two short main girders II3 are on a straight line, and the other two short girders The main beam II3 is on a straight line, the column base 8 is located at the center of the C plate, and two adjacent short main beams II3 are connected by a stiffening plate 6, and the two sides of the stiffening plate 6 are connected to the two short short beams respectively. The flanges of the main beam II3 are connected, and two stiffening plates 6 are respectively connected to the upper flange and the lower flange, and the connection methods are all welded; the other end of the short main beam II3 is connected to the secondary beam III2, through The stiffening plate 6 and the end plate 9 of the main beam are connected with the secondary beam III2, the two sides of the stiffening plate 6 are respectively connected with the flanges of the secondary beam III2 and the short main beam II3, and the two stiffening plates 6 are respectively connected with the upper flange and on the lower flange, all the connection parts are welded; the main beam end plate 9 is located at the end where the short main beam II3 is connected with the secondary beam III2, and the upper and lower ends of the main beam end plate 9 are connected to the wings of the short main beam II3 One side is connected to the web of the short main beam II3, and all the connecting parts are welded; the one connecting plate 17 is located at the end of the secondary beam II5, and the upper and lower ends of the connecting plate 17 are connected to the ends of the secondary beam II5. The flanges are connected, and one side is connected with the web of the secondary beam II5, and the connection method is welding; the floor slab 7 is placed on the plane surrounded by each beam, and the floor slab 7 is connected to each beam by using a shear key .

As shown in Figures 8-9, in the eccentric support system of the modularized multi-story assembled steel structure occlusal steel beam frame proposed by the present invention, the column seat 8 is composed of two flange plates 10 and a square steel pipe I11. Two flange plates 10 are respectively located on the two ends of the square steel pipe I11, and all connections are welded; the flange column 12 is composed of a square steel pipe II13 and two flange plates 11, and the two flange plates 10 are respectively Located on the two ends of the square steel pipe II13, all connections are welded; the flange column 12 is connected with the column base 8 to form a steel frame structure system, and all connections are bolted.

In the modularized multi-high-rise assembled steel structure occlusal steel beam frame eccentric support system proposed by the present invention, the assembled floor slab A and the assembled floor slab B are spliced, and the splicing method is to connect the secondary beam I4 of the A slab Splicing with the secondary beam I4 of the B plate, splicing the secondary beam II5 of the A plate and the secondary beam II5 of the B plate, and all the splicing uses bolts for on-site splicing; the prefabricated floor B and the prefabricated floor C The panels are spliced, and the splicing method is to splice the secondary beam Ⅲ2 of the B-plate and the secondary beam Ⅲ2 of the C-plate, and all the splicing uses bolts for on-site splicing;

As shown in Figure 10, the secondary beam I, secondary beam II and secondary beam III mentioned in the eccentric support system of the modular multi-high-rise assembled steel structure occlusal steel beam frame proposed by the present invention are prefabricated corrugated web occlusal steel girders , which is assembled by two corrugated channel steel beams through bolts; the cross section of the corrugated channel steel beam is composed of upper and lower flanges 18 and web 19, and is characterized in that the upper and lower flanges 18 Parallel, the web 19 is vertically located between the upper and lower flanges 18; the section of the web 19 is uniform or non-uniform periodically repeated corrugations, and the corrugation section is a trapezoidal corrugation curve. The upper and lower flanges 18 are steel plates, one side of the steel plate parallel to the web 19 is a wave curve, the shape of the corrugated curve is the same as the corrugated section shape of the web 18, and the web 19 is placed on the upper and lower flanges 18 At the edge of the corrugated curve, the corrugated section of the web 19 coincides with the corrugated curve of the upper and lower flanges 18, and the web 19 and the upper and lower flanges 18 are respectively single-sided fillet welds.

As shown in Figure 11, in the eccentric support system of the modularized multi-story assembled steel structure occlusal steel beam frame proposed by the present invention, all the beams mentioned above can be honeycomb steel beams with openings at the webs of the beams. It is convenient for various pipelines to pass through.

As shown in Figures 12-17, in the multi-story assembled steel frame support system for realizing the rigid connection of nodes proposed by the present invention, the assembled diagonal support is composed of cantilever rods and diagonal rods 16, and the cantilever rods are directly welded in the factory On the corresponding components of the floor slab, during on-site construction, the diagonal bar and the cantilever bar are assembled through the cover plate and bolts to form a diagonal support; the cantilever bar includes a node cantilever bar 14, and an eccentric support beam cantilever bar 15; the node The cantilever rod 14 is located at the connection between the column base 8 and the beam, one side is connected to the flange of the beam, and the other side is connected to the square steel pipe I11 of the column base 8, and all connections are welded; the cantilever rod 15 of the eccentric support beam is located in the middle of the beam , welded to the flange of the beam.

Claims (4)

1. A modular multi-high-rise fabricated steel structure occlusal steel beam frame eccentric support system, characterized in that the multi-high-rise fabricated steel structure system is assembled from fabricated floor slabs and fabricated flange columns using bolts; The prefabricated floor is spliced by three kinds of prefabricated floors A, B and C; the corrugated web occlusal steel beam is assembled by two corrugated channel steel beams through bolts and prestressed cables; The A plate is mainly composed of short main beam I (1), secondary beam I (4), secondary beam II (5), stiffening plate (6), floor plate (7), column seat (8) and connecting plate (17) The two ends of the column base (8) are respectively flange plates (10); all the components of the A plate are processed and manufactured in the factory, and then each component is assembled into the new prefabricated floor slab through welding and shear key connection A; The two short main beams I (1) are perpendicular to each other, and the two short main beams I (1) are connected through the column base (8) and the stiffening plate (6). The upper and lower flange plates of the column base (8) ( 10) are respectively flush with the upper and lower flanges of the two vertical short main girders I (1); the two sides of the stiffening plate (6) are respectively connected to the flanges of the short main girder I (1), and the two stiffening plates (6) Connected to the upper flange and the lower flange respectively, and the connection methods are welding; one end of the secondary beam I (4) is perpendicular to the secondary beam II (5), and the other end is connected to a short main beam I (1) vertical, the two are respectively connected by a stiffening plate (6), and the two sides of the stiffening plate (6) are respectively connected to a short main beam I (1), the flange of the secondary beam I (4) and the secondary beam I (4) For the flange of the secondary beam II (5), two stiffening plates (6) are respectively connected to the upper flange and the lower flange, and the connection methods mentioned above are all welded; the secondary beam II (5) Perpendicular to a short main beam I (1) and secondary beam I (4), connected to a short main beam I (1) and secondary beam I (4) through a stiffening plate (6), the stiffening plate (6) The two sides of the short main beam I (1) and the flanges of the secondary beam II (5), and the flanges of the secondary beam I (4) and II (5), and the stiffeners (6) are respectively connected On the upper flange and the lower flange, the connection method is welding; the two connecting plates (17) are located at the end of the short main beam I (1), and the upper and lower ends of the connecting plate (17) are connected to the short The flange of the main beam I (1) is connected, and one side is connected with the web of the short main beam I (1); a connecting plate (17) is located at the end of the secondary beam II (5), and the connecting plate (17) The upper and lower ends are connected to the flange of the secondary beam II (5), and one side is connected to the web of the secondary beam II (5). The connection methods are all welded; the floor (7) is placed on the In the plane space, the floor (7) is connected to each beam by using the shear key; The B-slab is mainly composed of short main beam I (1), short main beam II (3), secondary beam I (4), secondary beam II (5), secondary beam III (2), stiffening plate (6), floor slab (7), column base (8), main beam end plate (9) and connecting plate (17); all components of the B plate are processed and manufactured in the factory, and then assembled by welding and shear key connection The new prefabricated floor B is formed; the two ends of the secondary beam I (4) are respectively perpendicular to the short main beam I (1) and the secondary beam III (2), and the secondary beam I (4) and the short beam are connected by the stiffening plate (6). The main beam I (1) and the secondary beam III (2) are connected; the two sides of the stiffening plate (6) are connected to the flange of a short main beam I (1), the secondary beam I (4), and the secondary beam I (4), the flange of the secondary beam III (2), and two stiffening plates (6) are respectively connected to the upper flange and the lower flange, and the connection method is welding; the two short main beams I1 on the same straight line and connected through the column base (8), the upper and lower flange plates (10) of the column base (8) are respectively flush with the upper and lower flanges of the two short main girders I (1), and the connection methods are all Welding is adopted; the short main beam II (3) is parallel to the secondary beam II (5), the two ends of the short main beam II (3) are perpendicular to the short main beam I (1), the secondary beam III (2), and the stiffening plate ( 6) Connected with two short main beams I (1), the upper and lower flange plates (10) of the column base (8) are respectively flush with the upper and lower flanges of the short main beam II (3), and the stiffening plate (6) The two sides of the main girder are respectively connected with the flanges of the short main girder I (1) and the short main girder II (3), and the two stiffeners (6) are respectively connected to the upper flange and the lower flange. Welding is adopted; secondary beam III (2) is parallel to two short main beams I (1), perpendicular to short main beam II (3), secondary beam I (4), secondary beam II (5), and secondary beam III ( 2) Connect the short main beam II (3), secondary beam I (4) and secondary beam II (5) through the stiffening plate (6) and the main beam end plate (9); the main beam end plate (9) is located at The end of the short main beam II (3), the upper and lower ends of the main beam end plate (9) are connected to the flange of the short main beam II (3), and one side is connected to the web of the short main beam II (3); The two sides of the stiffening plate (6) are connected to the secondary beam III (2), the flange of the short main beam II (3) and the secondary beam III (2), the flange of the secondary beam I (4) and the connecting secondary beam III (2), secondary beam II (5), and stiffeners (6) are connected to the upper and lower flanges respectively, and the connection methods are all welded; the two connecting plates (17) are located at At the end of the short main beam I (1), the upper and lower ends of the connecting plate (17) are connected with the flange of the short main beam I (1), and one side is connected with the web of the short main beam I (1); The plate (17) is located at the end of the secondary beam II (5), the upper and lower ends of the connecting plate (17) are connected with the flange of the secondary beam II (5), and one side is connected with the web of the secondary beam II (5), All the connection methods are welding; the floor slab (7) is placed on the plane surrounded by each beam, and the floor slab (7) is connected to each beam by using a shear key; The C plate is mainly composed of short main beam II (3), secondary beam III (2), stiffening plate (6), floor slab (7), column seat (8), main beam end plate (9) and connection plate (17 ); all components of the C slab are processed and manufactured in the factory, and then assembled into the new prefabricated floor C by welding and shear key connections; the two secondary beams III (2) are placed vertically, Connected by stiffening plate (6), as the two adjacent sides of square prefabricated floor slab C, the connection method is welding; the other two secondary beams III (2) are also placed vertically, and connected by stiffening plate (6) , as the other two adjacent sides of the square prefabricated floor slab C, the connection methods are welding; the stiffening plate (6) connects the four sides of the C plate to form a square frame, and the two stiffening plates (6) The sides are respectively connected to the flanges of the two secondary beams III (2) placed perpendicular to each other, and the two stiffeners (6) are respectively connected to the upper flange and the lower flange, and the connection methods are welding; the four short One end of the main beam II (3) is respectively connected to the four sides of the column base (8), and the upper and lower flange plates of the column base (8) are respectively flush with the upper and lower flanges of the four short main beam II (3). Two of the short main beams II (3) are on a straight line, the other two short main beams II (3) are on a straight line, the column seat (8) is located at the center of the C plate, and the adjacent two short main beams II (3) are connected by a stiffening plate (6). Connected to the upper flange and the lower flange, the connection method is welding; the other end of the short main beam II (3) is connected to the secondary beam III (2), through the stiffener plate (6) and the main beam The end plate (9) is connected to the secondary beam III (2), the two sides of the stiffening plate (6) are respectively connected to the flange of the secondary beam III (2) and the short main beam II (3), and the two stiffening plates (6) Connected to the upper flange and the lower flange respectively, and all the connection parts are welded; the main beam end plate (9) is located at the joint between the short main beam II (3) and the secondary beam III (2). At one end, the upper and lower ends of the main beam end plate (9) are connected to the flange of the short main beam II (3), and one side is connected to the web of the short main beam II (3), and all the connection parts are welded; The above-mentioned connecting plate (17) is located at the end of the secondary beam II (5), the upper and lower ends of the connecting plate (17) are connected with the flange of the secondary beam II (5), and one side is connected with the flange of the secondary beam II (5). The webs are connected, and the connection method is welding; the floor slab 7 is placed on the plane surrounded by each beam, and the floor slab 7 is connected to each beam by using a shear key; The column seat is composed of two flange plates (10) and a square steel pipe I (11), and the two flange plates (10) are respectively located on the two ends of the square steel pipe I (11), and all connections are made by Welding; the flange column is composed of a square steel pipe II (13) and two flange plates (10), the two flange plates (10) are respectively located on the two ends of the square steel pipe II (13), all The connections are all welded; the flange column (12) is connected with the column base (8) to form a steel frame structure system, and all connections are bolted; The prefabricated floor plate A is spliced with the prefabricated floor plate B. The splicing method is to splice the secondary beam I (4) of the A plate and the secondary beam I (4) of the B plate, and the secondary beam II of the A plate (5) splicing with the secondary beam II (5) of the B-slab, and all the splicing shall be spliced on-site with bolts; The secondary beam III (2) of the slab and the secondary beam Ⅲ (2) of the C slab are spliced, and all the splicing uses bolts for on-site splicing; the basic components of the prefabricated floor system are A slab, B slab and C slab, The four corner plates of the prefabricated floor system are A-plate units, and the B-plate unit is connected to the A-plate unit, and the C-plate unit is connected to the other side of the B-plate unit, and the middle part of the floor system is the C-plate unit; The assembled oblique support is composed of cantilever rods and diagonal rods (16). The cantilever rods are directly welded to the corresponding components of the floor in the factory. During on-site construction, the diagonal rods and cantilever rods are assembled through cover plates and bolts. form a diagonal support; the cantilever includes a node cantilever (14) and an eccentric support beam cantilever (15); the node cantilever (14) is located at the connection between the column base (8) and the beam, and one side is connected to the wing of the beam The other side is connected to the square steel pipe I (11) of the column seat (8), and all connections are welded; the cantilever rod (15) of the eccentric support beam is located in the middle of the beam and is welded on the flange of the beam. 2. According to claim 1, the eccentric support system of multi-story prefabricated steel structure occlusal steel girder frame is characterized in that: the short main girder I and short main girder II are H-shaped steel, or two channel steels are spliced back-to-back. The equivalent H-shaped steel, or the equivalent H-shaped steel spliced by two T-shaped steels, or the equivalent H-shaped steel spliced by four angle steels; the secondary beam I, secondary beam II and secondary beam III It is an assembled corrugated web occlusal steel beam, which is assembled by two corrugated channel steel beams through bolts; the cross section of the corrugated channel steel beam consists of upper and lower flanges (18) and web (19 ) composition, characterized in that the upper and lower flanges (18) are parallel, and the web (19) is vertically located between the upper and lower flanges (18); the section of the web (19) is uniform or uneven Repeated corrugations, the corrugation section is a trapezoidal corrugation curve. The upper and lower flanges (18) are steel plates, and the side of the steel plate parallel to the web (19) is a wave curve, the shape of the corrugated curve is the same as that of the corrugated section of the web (18), and the web (19) Placed on the corrugated curved edges of the upper and lower flanges (18), the corrugated section of the web (19) coincides with the corrugated curved edges of the upper and lower flanges (18), and the web (19) is connected to the upper and lower wings There are single-side fillet welds between the edges (18). 3. According to claim 1, the eccentric support system of multi-story prefabricated steel structure occlusal steel beam frame is characterized in that: all the beams are shaped steel beams, or they are set at the webs of the beams to facilitate the passage of various pipelines The honeycomb steel beam of the hole. 4. The eccentric support system of multi-high-rise assembled steel structure occlusal steel beam frame according to claim 1, characterized in that: the beam-column connection, the beam is directly connected to the square steel pipe I (11) of the column base (8) Above, the upper and lower flange plates (10) of the column base (8) are higher than the beam by a certain distance, and the connection method adopts welding or bolt connection to ensure that the connection of the nodes is a rigid connection.