CN103276806A - Industrialized assembling type special-shaped column steel structure prestress eccentric supporting system - Google Patents

Abstract

The invention discloses an industrialized assembling type special-shaped column steel structure prestress eccentric supporting system and belongs to the technical field of structure engineering. The industrialized assembling type special-shaped column steel structure prestress eccentric supporting system comprises an assembling type truss plate, assembling type columns and a prestress eccentric supporting member. The assembling type truss plate comprises a lattice truss beam and a floor plate. The assembling type truss plate is prefabricated in a plant and spliced with beam column joints of the assembling type columns through a beam end sealing plate of the assembling type truss plate at the construction site, and the assembling type columns are spliced to form a multiplayer truss plate steel framework structure among layers through bolts at site. On the basis of the truss plate steel framework structure, the prestress eccentric supporting member serves as a lateral load resistance element to be connected with the bottoms or the tops of the truss beam in the assembling type truss plate and the assembling type columns. The assembling type truss plate, the assembling type columns and the prestress eccentric supporting member are all fabricated in the plant and assembled at the construction site through bolts.

Description

An industrialized prestressed eccentric support system for steel structures with special-shaped columns

technical field

The invention relates to an industrially assembled special-shaped column steel structure prestressed eccentric support frame system, which belongs to the technical field of structural engineering.

Background technique

my country's annual urban and rural housing area is 2 billion square meters, of which more than 80% are high-energy buildings, and the energy consumption per unit building area in my country is more than twice that of developed countries. According to the statistics of the China Iron and Steel Association, in 2011, my country's steel output exceeded 700 million tons, ranking first in the world's steel output for 16 consecutive years. Our country is less than 4%. As the country with the largest construction scale and steel output in the world, China lags behind seriously in the development of steel structures for houses (including residences).

At present, the systematic research on high-rise steel structure residences at home and abroad is in its infancy, and the innovation of industrially assembled high-rise steel structure systems is imperative. A lot of 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.

At present, prestressed cables are only used in tension string structures, and have not been used in high-rise structures. The use of prestressed cables as high-rise lateral force-resistant components has not yet been realized in engineering. In the traditional steel frame structure system, the lateral rigidity of the structure is difficult to meet the requirements, and the deformation is large, which is easy to cause damage to non-structural components. The industrialized multi-story fabricated steel structure frame-prestressed eccentric support system adds The lateral and longitudinal prestressed eccentric cable supports are used to increase the lateral stiffness of the structure and improve the deformation performance of the structure.

In the traditional structural design and analysis, the beam-column joints in the frame structure are generally treated as ideal rigid joints or hinged joints. Rigid joints are generally considered to be the most ideal form of seismic joints because of their large bearing capacity and stiffness, and are widely used in the joint connection design of frame structures in seismic areas. However, earthquake experience shows that the rigid beam-column joints of buildings have different degrees of brittle failure. The steel frame structure with welded rigid joints is prone to brittle failure due to the poor ductility of the joints, and the construction is also difficult; although the hinged joints are simple in structure, their stiffness and energy dissipation performance are poor, which is not good for the seismic resistance of the structure; Rigid joints have the advantages of both, with higher strength and stiffness, better ductility and energy dissipation performance, thus reducing earthquake damage to a large extent.

Contents of the invention

The invention proposes an assembled special-shaped column steel structure prestressed eccentric support system belonging to the technical field of structural engineering. Its purpose is to combine modularization, factoryization, standardization and assembly in the production and construction of the steel structure system, realize factory production, on-site quick assembly, and improve the construction speed on the premise of ensuring the construction quality. The construction period is reduced and the project cost is reduced. The structural system can realize the rapid installation of the main steel structure frame and lateral force-resistant members, and can resist earthquake and wind loads, reflecting the advantages of steel structures. In addition, semi-rigid joints are used for beam-column joint connection in the present invention, and the semi-rigidly connected steel frame has a small initial lateral stiffness, but a large ductility coefficient and good energy dissipation capacity, which can well meet the seismic requirements under the action of rare earthquakes. Design goals.

The prestressed eccentric support system of the prefabricated steel structure special-shaped column, the prestressed eccentric support system of the prefabricated steel structure is a multi-layer structure, and each layer structure includes a prefabricated truss plate, a prefabricated column and a prestressed eccentric support member;

The prefabricated truss plate includes a lattice truss beam and a floor slab, and the lattice truss beam is connected with other lattice truss beams or columns through a beam end sealing plate to form a truss plate steel frame structure, and then the floor is placed On the truss plate frame structure and connected to form a prefabricated truss plate; the prefabricated truss plate is prefabricated in the factory, and the prefabricated truss plate is spliced with the beam-column nodes of the prefabricated column through the beam end sealing plate at the construction site , the prefabricated columns are spliced on-site with bolts between layers to form a multi-layer truss plate steel frame structure; the prefabricated truss plates and the prefabricated columns are all prefabricated in the factory, and assembled by bolts on the construction site.

The prestressed eccentric support system of the prestressed eccentric support system of the industrialized prefabricated steel structure special-shaped column, its prefabricated truss plate includes two specifications, namely A plate and B plate;

The A plate includes double-channel steel truss long main beam 15, double-channel steel truss main beam 16, single-channel steel truss long beam 17, single-channel steel truss beam 18, connecting plate I19, connecting plate II20, connecting plate III21 and floor 22. Connecting plate II 20, see attached drawing 16 of the instruction manual, remove the part occupied by the corner columns from the triangular plate, and then the part protruding from the beam has bolt holes, which is convenient for connecting with beam bolts, connecting plate III 21, see attached drawing 17 of the instruction manual, remove three parts from the triangular plate The part occupied by the column and the part protruding from the beam have bolt holes for easy connection with the beam bolts. The main girder 16 of the double-channel steel truss and the long main girder 15 of the double-channel steel truss are perpendicular to each other and connected through the connecting plate II20. The connection plate II20 is welded to the upper chord top of the beam ends of the double-channel steel truss main beam 16 and the double-channel steel truss long main beam 15; the other end of the double-channel steel truss main beam 16 is connected with a The single-channel steel truss long beam 17, and the double-channel steel truss main beam 16 is connected to the single-channel steel truss long beam 17 through the connecting plate I19, and the connecting plate I19 is welded to the double-channel steel truss main beam 16 and the single-channel steel truss long beam 17 The top of the upper chord of the beam end; the other end of the single-channel steel truss beam 17 is connected with the single-channel steel truss beam 18, the double-channel steel truss long main beam 15 is horizontally opposite to the single-channel steel truss long beam 17, and the single-channel steel truss beam 18 Horizontally opposite to the main girder 16 of the double-channel steel truss, the upper chord at the beam end of the single-channel steel truss girder 18 and the long beam 17 of the single-channel steel truss are welded and connected with the connection plate I19; The steel truss long main girder 15 is connected by connecting plate III21, and the connecting plate III21 is welded to the top of the upper chord of the beam ends of the single-channel steel truss girder 18 and the double-channel steel truss long main girder 15; The beam end sealing plates are connected by welding; the long main girder 15 of the double-channel steel truss, the main girder 16 of the double-channel steel truss, the long beam 17 of the single-channel steel truss, and the long beam 18 of the single-channel steel truss form a rectangular frame; The channel steel truss long main girder 15, the double channel steel truss main girder 16, the single channel steel truss long beam 17, and the single channel steel truss beam 18 form a rectangular frame; each frame is connected to form a spliced bottom frame; each frame is spliced through a single The channel steel truss beams 18 are aligned and connected with bolts, and the long main girders 15 of each double channel steel truss are located on a straight line, and the long beams 17 of each single channel steel truss are located on a straight line; The anchors are connected to the floor 22, thereby forming the truss floor A; all components of said A floor are prefabricated and assembled in the factory;

The B plate includes a single-channel steel truss long beam 17, a single-channel steel truss long main beam 17', a double-channel steel truss main beam 16, a single-channel steel truss beam 18, connecting plates I19, connecting plates III21, connecting plates IV23 and Floor 22, connecting plate Ⅳ 23 see accompanying drawing 21 of the instruction manual, remove the part occupied by the four-way column from the triangular plate, and then the part protruding from the beam has bolt holes, which is convenient to connect with the beam bolts, the two ends of the double channel steel truss main beam 16 They are respectively vertically connected with the long beam 17 of the single-channel steel truss and the long main beam 17' of the single-channel steel truss. The upper chord edge of the beam end of the double-channel steel truss main beam 16 and the single-channel steel truss long beam 17, the connecting plate III21 for the connection between the double-channel steel truss main beam 16 and the single-channel long steel truss beam (17'), and the connecting plate III21 Welded to the upper chord top of the beam end of the double-channel steel truss main beam 16 and the single-channel steel truss long main beam 17'; the other end of the single-channel steel truss long beam 17, the single-channel steel truss The two ends of 18 are respectively connected, the connecting plate I19 is used for connecting the single channel steel truss beam 18 and the single channel steel truss long beam 17, and the connecting plate IV23 is used for connecting the single channel steel truss long main beam 17' and the single channel steel truss beam 18 , the connection plate I19 is welded to the upper chord edge of the beam end of the single-channel steel truss beam 18 and the single-channel steel truss long beam 17, and the connection plate IV23 is welded to the beam end of the single-channel steel truss beam 17' and the single-channel steel truss beam 18 The top of the upper chord; thus, the long beam 17 of the single-channel steel truss is horizontally opposed to the long main beam 17' of the single-channel steel truss, and the main beam 16 of the double-channel steel truss is horizontally opposed to the single-channel steel truss beam 18; the upper and lower chords at the ends of each truss beam Both are welded and connected with a beam end sealing plate; the connecting plate Ⅲ21 and the connecting plate Ⅳ23 protruding from the beam have bolt holes; the single channel steel truss long beam 17, single channel steel truss long main beam 17', Truss main girder 16 and single channel steel truss beam 18 form a rectangular frame; the splicing method is the same as above, single channel steel truss long beam 17, single channel steel truss long main girder 17', double channel steel truss main girder 16 and single channel steel truss Beams 18 form a rectangular frame; each frame is connected to form a spliced bottom frame; each frame splicing is aligned and connected with bolts through single-channel steel truss beams 18, and each single-channel steel truss long main girder 17' is located on a straight line, each The single channel steel truss long beam 17 is located on a straight line; the steel frame structure of the truss plate is connected to the floor 22 through the upper anchors of the upper chord of the truss beam, thereby forming the truss floor B; all components of the B plate are prefabricated and assembled in the factory ;

The assembled column 14 includes three types of columns: two-way column 12, three-way column 8 and four-way column 11. The two-way column 12 is composed of a column with an L-shaped hollow section and a connecting plate 7, a node supporting plate 7', and a rib 10 , sealing plate 9, the three-way column 8 is composed of a T-shaped hollow column and a connecting plate 7, a node support plate (7'), ribs 10, and a sealing plate 9, and the four-way column 11 is composed of a cross section. The hollow column is composed of connecting plate 7, node supporting plate 7', rib plate 10, and sealing plate 9. The connecting plate 7 and node supporting plate 7' are respectively horizontally welded on one side of the assembled column 14, and then connected At least one rib 10 is welded in parallel to the assembled column 14 between the plate 7 and the node supporting plate 7'; the connecting plate 7, the node supporting plate 7' and the end of at least one rib 10 away from the column are all connected to a node sealing plate 9-phase welding, the same method on the adjacent side of the special-shaped column 14 to form a two-way node column, that is, a two-way column 12; the same method on the other two sides of the assembled column 14 to form a three-way node column, that is, a three-way column 8; The same method is used on three sides to form a four-way node column, that is, a four-way column 11; wherein the connecting plate 7, the sealing plate 9, and the node supporting plate 7' are all provided with bolt holes, which are spliced with the beam end sealing plate and the beam upper cover plate with bolts; The splicing of the assembled column 14 is made by welding the column splicing plate 13 on the four sides of the inner side of the central column 11. The column splicing plate 13 is consistent with the shape of the special-shaped column. The bolt holes are opposite to the bolt holes on the lower side of another special-shaped column, and the columns are spliced together with bolts. The same strength welding of the assembled column 14 above and the assembled column 14 below can be performed, and the three assembled columns are all manufactured in the factory; the middle of the steel pipe is hollow or poured concrete;

In the prestressed eccentric support system of industrialized prefabricated steel structure special-shaped columns described in the present invention, the assembled column, the truss floor A and the truss floor B are spliced on site through bolts, and the connection between the truss floor A and the assembled column is characterized by the joint The main girder 16 of the double-channel steel truss and the long main girder 15 of the double-channel steel truss welded on the connection plate II20 and the corner column 12 of plate 1 at A plate are connected by bolts, and the two joint plates 7 of the double-channel steel truss The ends of the lower chord of the long main girder 15 of the truss are respectively placed on the two node supporting plates 7' of the corner columns 12, and the ends of the lower chord are opened with bolt holes, which are connected with the node supporting plates and through bolts; The channel steel truss girder 18 and the connecting plate III21 welded on the two double channel steel truss long main girders 15 are connected with the side column 8 and the three node plates 7 by bolts, and the two single channel steel truss beams 18 and the two double channel steel truss The ends of the lower chords of the long girder 15 are respectively placed on the three node supporting plates 7' of the side columns 8, and the ends of the lower chords are provided with bolt holes, which are connected with the node supporting plates through bolts, and each truss girder is provided with bolt holes. The beam end sealing plates are connected with the joint sealing plates 9 of the corresponding beam-column joints with bolts; while the main girder 16 of the double-channel steel truss at the node 3 is connected with the long main beam 17 of the single-channel steel truss through the connecting plate I19, and the connecting plate I19 is welded At the upper chord edge of the beam ends of the double-channel steel truss main girder 16 and the single-channel steel truss long main girder 17, two single-channel steel truss beams 18 at node 4 are respectively connected with the single-channel steel truss long beam 17 through the connecting plate I19. Plate I19 is welded to the upper chord edge of the single-channel steel truss girder 18 and the long main girder 17 of the single-channel steel truss, thereby completing the connection between the A-plate and the column;

The connection between the truss floor B and the prefabricated column is characterized in that the connection plate III21 welded on the double channel steel truss main girder 16 of the B plate at node 5 and the single channel steel truss long beam 17 and the side column 8 three gusset plates 7 pass bolts Connection, double-channel steel truss main girder 16 and single-channel steel truss long beam 17 lower chord ends are respectively placed on the three joint support plates 7' of side columns 8, and bolt holes are opened at the end of the lower chord, and the joint support plates and through The two single-channel steel truss beams 18 of the B-plate at node 6 are connected to the connecting plate IV23 welded on the two single-channel steel truss long main beams 17' and the three joint plates 7 of the center column 11 are connected by bolts, and the two A single channel steel truss girder 18 and two single channel steel truss long girders 17' lower chord ends are respectively placed on the three node supporting plates 7' of the central column 11, and the lower chord ends are provided with bolt holes, which are connected with the node supporting plates Connect with bolts; and the beam end sealing plates with bolt holes in each truss beam are connected with the node sealing plates 9 of the corresponding beam-column nodes with bolts, thereby completing the connection between the B plate and the column;

The connection between the truss floor A and the truss floor B is characterized in that the splicing position of the single-channel steel truss long beam 17 of the A plate and the corresponding single-channel steel truss long beam 17 of the B plate is at least the single-channel steel truss long beam 17 of the A plate At the end, middle and quarter of the single channel steel truss girder 17 of the B plate, all the splicing is carried out on-site splicing with bolts;

In the prestressed eccentric support system of industrially assembled special-shaped steel structure columns, the prestressed eccentric support member is composed of prestressed cables 28 and lugs, and the lugs are connected to the bottom, top or bottom of the frame structure by welding or bolts in the factory. At the upper and lower chords of the truss beam 24, the prestressed cables 28 and the ear plates at the upper and lower ends of each frame structure are connected by bolts at the construction site to form a frame-eccentric support structure; Stress; the prestressed cable is a high-strength steel rod, or uses a high-strength steel strand, a high-strength steel member, or uses a high-strength steel rod with a damper, a high-strength steel strand or a high-strength steel member.

The beam involved is a truss beam composed of upper and lower chords and webs, and the angle between the web and the chord is 30 degrees to 60 degrees; it is divided into single beams and double beams, and the single beams are provided with connection holes at regular intervals. It is convenient to use bolts to splice two single girders into double girders when splicing plates and plates. For double girders, the web members are connected by bolts or welding, which are all processed in the factory;

The floor slab uses profiled steel composite floor slabs, or reinforced concrete floor slabs, or OSB particle boards.

The beneficial effect of the present invention is that, in the industrialized assembled special-shaped column frame-steel plate shear wall steel structure system, the adopted special-shaped column is more effective in saving space, and the adopted beams are all truss beams, because the abdominal gap of the beam is relatively large , It is convenient for pipelines to pass through, effectively increasing the clear height of the room. The industrially assembled special-shaped column steel structure frame system completely adopts bolts for on-site assembly, cancels the traditional on-site welding method and concrete pouring method, effectively guarantees the construction quality, and completely avoids the environmental pollution caused by concrete pouring and steel welding , Realize the three-no standard of "no water, no fire, no dust" in on-site construction, reducing the occurrence of fire and other hazardous accidents. And the anti-lateral force system can effectively improve the lateral stiffness of the structure, improve the deformation performance of the structure, and make the structure have a greater safety reserve. When the components are dismantled, the present invention can efficiently recycle, reduce construction waste, truly realize the concept of green environmental protection, and is a green and sustainable steel structure system.

Description of drawings

Fig. 1 is the splicing plane layout diagram of the assembled truss panel of the present invention

Fig. 2 (a) is the single girder schematic diagram of the assembled truss plate without gusset plate angle steel truss of the present invention

Fig. 2 (b) is a schematic diagram of the assembled truss plate of the present invention without gusset plate angle steel truss double girders

Fig. 3 (a) is the schematic diagram of the single girder of the assembled truss plate with gusset plate angle steel truss of the present invention

Fig. 3 (b) is the schematic diagram of the single girder of the assembled truss plate with gusset plate angle steel truss of the present invention

Fig. 4 (a) is the schematic diagram of the single girder of the assembled truss plate with gusset plate channel steel truss of the present invention

Fig. 4 (b) is the schematic diagram of the double girder of the assembled truss plate band gusset plate channel steel truss of the present invention

Fig. 5 (a) is the schematic diagram of the single girder of the fabricated truss plate with gusset plate square steel pipe truss of the present invention

Fig. 5 (b) is the schematic diagram of double girders of square steel pipe trusses with assembled truss plates of the present invention

Fig. 6 is a schematic diagram of the three-way beam-column joint of the assembled truss plate of the present invention

Fig. 7 is a schematic diagram of four-way beam-column joints of the assembled truss plate of the present invention

Fig. 8 is a schematic diagram of two-way beam-column joints of the assembled truss plate of the present invention

Fig. 9 is a schematic diagram of splicing assembled columns of the present invention

Fig. 10 is an exploded view of unit A of the assembled truss plate of the present invention

Fig. 11 is an assembled drawing of unit A of the fabricated truss plate of the present invention

Fig. 12 is an exploded view of unit B of the assembled truss plate of the present invention

Fig. 13 is an assembled drawing of unit B of the prefabricated truss plate of the present invention

Figure 14 is an exploded view of assembled truss panels A, B and columns of the present invention

Fig. 15 is an assembled drawing of assembled truss panels A, B and columns of the present invention

Fig. 16 is an exploded view of the assembled truss plate node 1 in the accompanying drawings of the present invention

Figure 17 is an exploded view of the assembled truss plate node 2 in the accompanying drawings of the present invention

Figure 18 is an exploded view of the assembled truss plate node 3 in the accompanying drawings of the present invention

Figure 19 is an exploded view of the assembled truss plate node 4 in the accompanying drawings of the present invention

Fig. 20 is an exploded view of the assembly node 5 of the assembled truss plate in the accompanying drawings of the present invention

Figure 21 is an exploded view of the assembly node 6 of the assembled truss plate in the accompanying drawings of the present invention

Figure 22 is an exploded view of the assembly node 7 of the assembled truss plate in the accompanying drawings of the present invention

Fig. 23 is a schematic diagram of the eight-shaped supporting frame system of the assembled steel structure prestressed center of the present invention

Fig. 24 is a schematic diagram of the herringbone support frame system of the assembled steel structure prestressed center of the present invention

Fig. 25 is a schematic diagram of the V-shaped support frame system of the fabricated steel structure prestressed center of the present invention

Fig. 26 is a schematic diagram of the prestressed central mono-slant rod support frame system of the assembled steel structure of the present invention

Fig. 27 is a detailed diagram of the connection nodes between the lug plate I and the prestressed cable of the prestressed eccentric support frame system of the industrialized assembled special-shaped column steel structure of the present invention

Fig. 28 is a detailed diagram of the connection nodes between the ear plate II and the prestressed cable of the assembled steel structure prestressed eccentric support system of the present invention

Fig. 29 is a detailed diagram of the connection nodes between the lug plate and the assembled column of the prestressed eccentric support frame system of the industrialized assembled special-shaped column steel structure of the present invention

Fig. 30 is a schematic diagram of the prestressed eccentrically supported frame system of a single-layer industrialized assembled special-shaped column steel structure of the present invention.

In the figure 1. Upper and lower chord I, 2. Web I, 3. Gusset plate, 4. Web II, 5. Upper and lower chord II, 6. Upper and lower chord III, 7. Gusset plate, 7'. Node support Plate 8. Side column, 9. Node sealing plate, 10. Node rib plate, 11. Central column, 12. Corner column, 13. Column splicing plate, 14. Prefabricated column, 15. Double channel steel truss long main beam, 16 .Double channel steel truss main beam, 17. Single channel steel truss long main beam, 17'. Single channel steel truss long main beam, 18. Single channel steel truss beam, 19. Connecting plate I (triangle), 20. Connecting plate Ⅱ, 21. Connection plate Ⅲ 22. Floor slab, 23. Connection plate Ⅳ 24. Truss beam, 25. Connection sleeve, 26. Ear plate I, 27. Ear plate II, 28. Prestressed cable.

Detailed ways

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

As shown in Figure 1, the assembled truss plate of the present invention is spliced with the assembled column in the manner of ABB···BBA.

As shown in accompanying drawing 4, in the prestressed eccentrically supported frame system of the industrialized prefabricated special-shaped column steel structure of the present invention, the beam involved is a truss beam composed of channel steel and angle steel splicing, including upper and lower chords 5, webs 4. Among them, the upper and lower chords 5 are made of channel steel, and the web members 4 are made of angle steel, which are divided into single-channel steel beams and double-channel steel beams. The single-channel steel beams are provided with connecting holes at intervals of a fixed distance, which is convenient for splicing plates. Bolts splice two pieces of single-channel steel beams into double-channel steel beams. For double-channel steel beams, the channel steel is connected by bolts or welding, which are all processed in the factory;

As shown in Figure 2, the beam involved is a truss beam composed of angle steel splicing, including upper and lower chords 1 and web members 2, where both upper and lower chords 1 and web members 2 are made of angle steel, and are divided into single-angle steel beams and double-angle steel beams. Steel beams and single-angle steel beams are provided with connecting holes at a fixed distance, which is convenient for splicing two single-angle steel beams into double-angle steel beams with bolts when splicing plates and plates. For double-angle steel beams, the connection of angle steel is used Bolted connection or welding are all processed in the factory;

As shown in Figure 3, or use a truss beam composed of angle steel and gusset plate splicing, including upper and lower chords 1, webs 4 and gusset plates 3, where the upper and lower chords 1 and webs 4 are made of angle steel, and are divided into For single-angle steel beams and double-angle steel beams, the single-angle steel beams are provided with connecting holes at intervals of a fixed distance, which is convenient for splicing two single-angle steel beams into double-angle steel beams with bolts when splicing plates. Beams, angle steels and gusset plates are connected by bolts or by welding, which are all processed in the factory;

As shown in Figure 5, or use a truss beam composed of angle steel, square steel pipes and gusset plates, including upper and lower chords 6, webs 4 and gussets 3, wherein the upper and lower chords 6 use square steel pipes, and the webs 4 use Angle steel, and divided into single steel pipe beams and double steel pipe beams. The single steel pipe beams are provided with connecting holes at a fixed distance, which is convenient for splicing two single steel pipe beams into two double steel pipe beams with bolts when splicing plates. Beams, angle steels, square steel pipes and gusset plates are connected by bolts or welded, all of which are processed in the factory;

For the above four beam cross-section forms, the splicing method of splicing single beams into double beams through bolts has good rigidity and stability. Since the belly space of the truss beam is large, it is convenient for pipelines to pass through, effectively increasing the net height of the room.

In the prestressed eccentric support frame system of industrialized assembled special-shaped column steel structure according to the present invention, as shown in accompanying drawings 6, 7 and 8, its assembled column 14 is composed of three special-shaped columns 8/11/12, connecting plate 7 , joint supporting plate 7', rib plate 10, and sealing plate 9. There are three types of beam-column joints, which are two-way joints, three-way joints and four-way joints; they can be divided into three types according to the difference of beam-column joints The columns of the form are respectively two-way columns 12, three-way columns 8 and four-way columns 11; the connection plate 7 and the node support plate 7' are welded horizontally on one side of the special-shaped column 14 respectively, and then the connection plate 7 and the node support Between the plates 7', two ribs 10 are welded parallel to the special-shaped column 14; The same method is done on the adjacent side to form a two-way node column, that is, a two-way column 12; the other two sides of the special-shaped column 14 are also the same way to form a three-way node column, that is, a three-way column 8; The column is the four-way column 11; among them, the connecting plate 7, the sealing plate 9, and the node supporting plate 7' are all provided with bolt holes, and are spliced with the beam end sealing plate and the beam upper cover plate with bolts; the three kinds of assembled columns are all in the The factory is finished;

In the prestressed eccentrically supported frame system of industrially assembled special-shaped column steel structure, as shown in Figure 9, the splicing of the assembled column 14 consists of welding column splicing plates 13 on the inner four sides of the central column 11, and the lower half of the column splicing plate 13. Part of it is welded with the special-shaped column, and the upper part has a threaded bolt hole, which is opposite to the bolt hole on the lower side of another special-shaped column, and the column is spliced with bolts; the upper and lower columns can also be welded with equal strength.

In the prestressed eccentrically supported frame system of industrialized prefabricated special-shaped column steel structure, as shown in Figures 10 and 11, the A plate includes the long main girder 15 of the double-channel steel truss, the main girder 16 of the double-channel steel truss, and the single-channel steel truss. Truss long main girder 17, single channel steel truss girder 18, connecting plate I19, connecting plate II20, connecting plate III21 and floor slab 22, characterized in that the double channel steel truss main girder 16 and the double channel steel truss long main girder 15 are perpendicular to each other And it is connected through the connection plate III21, which is welded to the upper chord top of the beam end of the double channel steel truss main beam 16 and the double channel steel truss long main beam 15; the other end of the double channel steel truss main beam 16 is connected with the double channel The steel truss long main girder 15 is horizontal to the single-channel steel truss long main girder 17, and the double-channel steel truss main girder 16 is connected to the single-channel steel truss long main girder 17 through the connection plate I19, which is welded to the double-channel steel truss main girder. Beam 16 and the beam end upper chord top of the single channel steel truss long main beam 17; the other end of the single channel steel truss long main beam 17 is connected with the single channel steel truss beam 18, and the double channel steel truss The long main girder 17 is horizontally opposite, the single-channel steel truss girder 18 is horizontally opposite to the double-channel steel truss main girder 16, and the upper chords at the beam end of the single-channel steel truss beam 18 and the single-channel long main girder 17 are welded to the connecting plate Ⅰ19 connected; the other end of the single-channel steel truss beam 18 is connected to the long main girder 15 of the double-channel steel truss through the connecting plate III21, and the connecting plate III21 is welded to the upper chord of the beam end of the single-channel steel truss beam 18 and the long main girder 15 of the double-channel steel truss top; the upper and lower chords at the end of each truss beam are welded and connected to a beam end sealing plate; the connecting plate II20 and connecting plate III21 protruding from the beam have bolt holes; the double-channel steel truss long main girder 15, double Channel steel truss main beam 16, single channel steel truss long main beam 17, and single channel steel truss beam 18 form a rectangular frame _A1 ; same as above splicing method, double channel steel truss long main beam 15, double channel steel truss main beam 16, The long main girder 17 of the single-channel steel truss and the single-channel steel truss beam 18 constitute a rectangular frame A ₂ ; each frame is connected by A ₁ A ₂ to form a spliced bottom frame; The bolts are connected, and the long main girders 15 of the double-channel steel trusses are located on a straight line, and the long main girders 17 of the single-channel steel trusses are located on a straight line; the steel frame structure of the truss plate is connected to the floor 22 through the upper anchorage of the upper chord of the truss girder , so as to form a truss floor A; all components of said A slab are prefabricated and assembled in the factory;

In the prestressed eccentrically supported frame system of industrialized prefabricated special-shaped column steel structure, as shown in Figures 12 and 13, the B plate includes a single channel steel truss long main girder 17, a single channel steel truss long main girder 17', double Channel steel truss main girder 16, single channel steel truss beam 18, connecting plate I 19, connecting plate III 21, connecting plate IV 23 and floor slab 22, characterized in that: the two ends of the double channel steel truss main girder 16 are respectively as long as the single channel steel truss The main beam 17 and the long main beam 17' of the single-channel steel truss are vertically connected to each other, and the connecting plate I19 is used for the connection between the main beam 16 of the double-channel steel truss and the long main beam 17 of the single-channel steel truss, and the connecting plate I19 is welded to the main beam of the double-channel steel truss The upper chord edge of the beam end of the beam 16 and the long main girder 17 of the single-channel steel truss, and the connecting plate III21 used for the connection between the main girder 16 of the double-channel steel truss and the long main girder 17' of the single-channel steel truss, and the connecting plate III21 is welded to the double-channel steel truss The upper chord top of the beam end of the main beam 16 and the long main girder 17' of the single-channel steel truss; Connect respectively, connecting plate Ⅰ19 for the connection of single channel steel truss secondary beam 18 and single channel steel truss long main beam 17, connecting plate IV 23 for connecting single channel steel truss long main beam 17' and single channel steel truss beam 18, connecting Plate Ⅰ19 is welded to the upper chord edge of the beam end of the single-channel steel truss beam 18 and the single-channel steel truss long main beam 17, and the connecting plate IV23 is welded to the beam end upper chord of the single-channel steel truss beam 17' and the single-channel steel truss beam 18 top; thus, the long main girder 17 of the single-channel steel truss is horizontally opposite to the long main girder 17' of the single-channel steel truss, and the main beam 16 of the double-channel steel truss is horizontally opposite to the single-channel steel truss beam 18; the upper and lower chords at the ends of each truss girder Both are welded and connected with a beam end sealing plate; connecting plate III 21 and connecting plate IV 23 have bolt holes in the part protruding from the beam; the long main beam 17 of the single channel steel truss, the long main beam 17' of the single channel steel truss, and the double channel Steel truss main girder 16 and single channel steel truss girder 18 form a rectangular frame B1; same splicing method as above, single channel steel truss long main girder 17, single channel steel truss long main girder 17', double channel steel truss main girder 16 and single channel The channel steel truss beams 18 form a rectangular frame B2; each frame is connected by B1B2 to form a spliced bottom frame; each frame splicing is aligned through the single channel steel truss beams 18 and connected with bolts, and each single channel steel truss long main beam 17 'Located on a straight line, the long main girders 17 of each single-channel steel truss are located on a straight line; the steel frame structure of the truss plate is connected to the floor 22 through the upper anchor of the upper chord of the truss beam, thereby forming the truss floor B; all of the B plates The components are prefabricated and assembled in the factory;

In the prestressed eccentric support frame system of industrialized prefabricated special-shaped column steel structure according to the present invention, as shown in Figures 14 and 15, the assembled column, truss floor A and truss floor B are spliced on site through bolts, and truss floor A The connection with the prefabricated column is characterized in that the main girder 16 of the double-channel steel truss of plate A at node 1 and the long main girder 15 of the double-channel steel truss welded on the connecting plate II 20 and the two gusset plates 7 of the corner column 12 are connected by bolts. The lower chord ends of the channel steel truss main girder 16 and the double channel steel truss long main girder 15 are respectively placed on the two joint support plates 7' of the corner columns 12, and the lower chord ends are provided with bolt holes, which are connected with the joint support plates and through bolts ; Two single-channel steel truss beams 18 of plate A at node 2 and two double-channel steel truss long main girders 15 welded on the connecting plate Ⅲ21 and side column 8 three node plates 7 are connected by bolts, two single-channel steel The lower chord ends of the truss girder 18 and the two double-channel steel truss long main girders 15 are respectively placed on the three node supporting plates 7' of the side columns 8, and the ends of the lower chords are provided with bolt holes to connect with the node supporting plates and through bolts , and the beam end sealing plates with bolt holes in each truss beam are connected with the node sealing plates 9 of the corresponding beam-column nodes with bolts; while the main beam 16 of the double-channel steel truss at the node 3 is connected with the long main beam 17 of the single-channel steel truss Connected by the connection plate I19, the connection plate I19 is welded to the upper chord edge of the beam end of the double-channel steel truss main beam 16 and the single-channel steel truss long main beam 17, and the two single-channel steel truss beams 18 at node 4 are respectively connected to the single-channel steel truss The long main girder 17 is connected through the connecting plate I19, and the connecting plate I19 is welded to the upper chord edge of the single channel steel truss beam 18 and the beam end of the single channel steel truss long main girder 17, thereby completing the connection between the A plate and the column;

The connection between the truss floor B and the prefabricated column is characterized in that the connecting plate III21 welded on the double-channel steel truss main girder 16 of the B-slab at node 5 and the single-channel steel truss long main girder 17 passes through the three gusset plates 7 of the side column 8 Bolt connection, double-channel steel truss main girder 16 and single-channel steel truss long main girder 17 lower chord ends are respectively placed on the three node supporting plates 7' of side columns 8, and bolt holes are opened at the lower chord ends to connect with the node supporting plates Connect with bolts; two single-channel steel truss girders 18 of the B-plate at node 6 and the connecting plate IV23 welded on the two single-channel steel truss long main girders 17' are connected with the three gusset plates 7 of the central column 11 by bolts , two single-channel steel truss girders 18 and two single-channel steel truss long girders 17' lower chord ends are respectively placed on the three node support plates 7' of the central column 11, and the lower chord ends are opened with bolt holes, which are connected to the nodes The supporting plate is connected with the bolts; and the beam end sealing plates with bolt holes of each truss beam are connected with the node sealing plates 9 of the corresponding beam-column nodes with bolts, thus completing the connection between the B plate and the column;

The connection between truss floor A and truss floor B is characterized in that the splicing position of the long main girder 17 of the single-channel steel truss of plate A and the long main girder 17 of the corresponding single-channel steel truss of plate B is at least the length of the single-channel steel truss of plate A At the end, middle and quarter of the main beam 17 and the long main beam 17 of the single channel steel truss of the B plate, all the splicing is carried out on-site splicing with bolts;

To sum up, the overall floor slab formed by the splicing of A and B has two different node forms of node 4 and node 7 at the splicing place.

In the above-mentioned prestressed eccentric support frame system of industrially assembled special-shaped column steel structure, as shown in accompanying drawings 16, 17, 18, and 19, the exploded detailed diagrams of the assembled truss plate nodes 1, 2, 3, and 4 are respectively made; As shown in accompanying drawings 20, 21, and 22, the assembly exploded detailed diagrams of the assembled truss plate assembly nodes 5, 6, and 7 are respectively made;

In the prestressed eccentric support frame system of the industrialized assembled special-shaped column steel structure according to the present invention, as shown in accompanying drawings 23, 24, 25 and 26, the forms of the anti-lateral force prestressed central support are eccentric splayed support, Prestressed eccentric herringbone support, prestressed eccentric V-shaped support, prestressed eccentric single inclined rod support, characterized in that the two ends of the prestressed eccentric support member 28 are prestressed cable heads, and the middle part is prestressed. Stress cables, or prestressed steel tie rods; the ends of the ear plate I26 and ear plate II27 include connecting plates, and the lug plate I26 and ear plate II27 are connected to the flange of the beam by using bolts, and the prestressed eccentric support 28 The prestressed cable head is connected with the ear plate I26 and the ear plate II27 to form a prestressed eccentric support structure system as a whole; the prestressed cable is a high-strength steel rod, or uses a high-strength steel strand, a high-strength steel member, or uses High-strength steel rods, high-strength steel strands, or high-strength section steel members with dampers.

In the prestressed eccentrically supported frame system of the industrialized assembled special-shaped column steel structure of the present invention, as shown in accompanying drawing 27, a detailed diagram of the connecting nodes between lug plate I and prestressed cable is provided; as shown in accompanying drawing 28, The detailed diagram of the connection node between the ear plate II and the prestressed cable is given, as shown in Figure 29, an exploded detailed diagram of the connection node between the prestressed eccentric support member 28 and the truss beam is made. Accompanying drawing 30 has given the schematic diagram of some layers of the prestressed eccentric bracing frame system of the prestressed eccentrically supported frame system of the industrialized prefabricated special-shaped column steel structure.

Claims (3)

1. An industrialized assembly type special-shaped column steel structure prestressed eccentric support frame system is characterized in that the assembly type special-shaped column steel structure prestressed eccentric support frame system is a multi-layer structure, and each layer of structure includes an assembled truss plate, assembly Type columns and prestressed eccentric support members; The prefabricated column (14) includes three types of columns: two-way column (12), three-way column (8) and four-way column (11). The two-way column (12) is composed of a L-shaped hollow column and a connecting plate ( 7), joint supporting plate (7'), rib plate (10), sealing plate (9), three-way column (8) is composed of T-shaped hollow column and connecting plate (7), joint supporting plate ( 7'), ribs (10), and sealing plates (9), the four-way column (11) is composed of cross-section hollow columns and connecting plates (7), node support plates (7'), ribs ( 10), the sealing plate (9), weld the connecting plate (7) and the node supporting plate (7’) horizontally to one side of the assembled column (14), and then connect the connecting plate (7) and the node supporting plate (7') at least one rib (10) is welded in parallel to the assembled column (14); the connection plate (7), the joint support plate (7') and at least one rib (10) away from the end of the column All are welded with a node sealing plate (9), and the adjacent side of the special-shaped column (14) is similarly formed to form a two-way node column, that is, a two-way column (12); The node column is the three-way column (8); the other three sides of the assembled column (14) do the same to form a four-way node column, that is, the four-way column (11); wherein the connecting plate (7), the sealing plate (9), the node The supporting plates (7') are all provided with bolt holes, and are spliced with bolts to the beam end sealing plate and the beam upper cover plate; the splicing of the assembled column (14) is welded on the inner four sides of the central column (11) by welding the column splicing plate (13) , the shape of the column splicing plate (13) is consistent with that of the special-shaped column, the lower part of the column splicing plate (13) is welded to the special-shaped column, and the upper part has a threaded bolt hole, which is opposite to the bolt hole on the lower side of another special-shaped column , use bolts to splice the columns; similarly, the upper assembled column (14) and the lower assembled column (14) can be welded with equal strength, and the hollow part of the assembled column (14) is hollow or poured with concrete; The prefabricated truss plate includes a lattice truss beam and a floor slab, and the lattice truss beam is connected to the lattice truss beam or to a column through a beam end sealing plate to form a steel frame structure of the truss plate, and then the floor slab Placed on the truss plate frame structure and connected to form a prefabricated truss plate; the prefabricated truss plate includes two specifications, namely A plate and B plate; The A plate includes double-channel steel truss long main beam (15), double-channel steel truss main beam (16), single-channel steel truss long beam (17), single-channel steel truss beam (18), connecting plate I (19 ), connecting plate II (20), connecting plate III (21) and floor (22), connecting plate II (20), the part occupied by the corner column is removed from the triangular plate, and then the part protruding from the beam has bolt holes, which is convenient for connecting with Beam bolt connection, connecting plate III (21), the part occupied by the three-way column is removed from the triangular plate, and then the part protruding from the beam has bolt holes, which is convenient for bolt connection with the beam. The main beam (16) and double channel steel truss The long main girders (15) of the channel steel truss are perpendicular to each other and connected by the connection plate II (20), and the connecting plate II (20) is welded to the main girder of the double channel steel truss (16) and the long main girder of the double channel steel truss (15) The top of the upper chord of the beam end; the other end of the double-channel steel truss main beam (16) is connected with a single-channel steel truss long beam (17) parallel to the double-channel steel truss long main beam (15), and the double-channel steel truss main beam (16) is connected with the single-channel steel truss long beam (17) through the connection plate I (19), and the connection plate I (19) is welded to the double-channel steel truss main beam (16) and the single-channel steel truss long beam (17) The top of the chord at the end of the beam; the other end of the single-channel steel truss beam (17) is connected to the single-channel steel truss beam (18), and the double-channel steel truss long main beam (15) is horizontally opposite to the single-channel steel truss long beam (17) , the single-channel steel truss beam (18) is horizontally opposite to the double-channel steel truss main beam (16), and the upper chords of the single-channel steel truss beam (18) and the single-channel steel truss long beam (17) are connected to the connecting plate I (19) Connected by welding; the other end of the single-channel steel truss beam (18) is connected to the long main beam of the double-channel steel truss (15) through the connection plate III (21), and the connection plate III (21) is welded to the single-channel steel truss beam (18) and the upper chord top of the beam end of the double-channel steel truss long main girder (15); the upper and lower chords at the ends of each truss beam are connected to a beam end sealing plate by welding; the double-channel steel truss long main girder (15 ), double-channel steel truss main girder (16), single-channel steel truss long girder (17), and single-channel steel truss beam (18) constitute a rectangular frame; same as above splicing method, double-channel steel truss long main girder (15), The double-channel steel truss main girder (16), the single-channel steel truss long beam (17), and the single-channel steel truss beam (18) form a rectangular frame; each frame is connected to form a spliced bottom frame; each frame is spliced through a single-channel steel The truss beams (18) are aligned and connected with bolts, and the long main girders (15) of the double-channel steel trusses are located on a straight line, and the long beams of the single-channel steel trusses (17) are located on a straight line; the truss plate steel frame structure passes through the truss The upper anchor of the beam top chord is connected with the floor (22), thereby forming the truss floor A; The B plate includes single-channel steel truss beam (17), single-channel steel truss long main beam (17'), double-channel steel truss main beam (16), single-channel steel truss beam (18), connecting plate I ( 19), connecting plate III (21), connecting plate IV (23) and floor (22), connecting plate IV (23), the part occupied by the four-way column is removed from the triangular plate, and then the part extending out of the beam has bolt holes , to facilitate connection with beam bolts, the two ends of the double-channel steel truss main beam (16) are vertically connected to the single-channel steel truss long beam (17) and the single-channel steel truss long main beam (17') respectively, and the double-channel steel truss The connecting plate I (19) is used for connecting the main beam (16) and the single-channel steel truss long beam (17), and the connecting plate I (19) is welded to the double-channel steel truss main beam (16) and the single-channel steel truss long beam ( 17) The upper chord edge of the beam end, the connecting plate III (21) for the connection of the double channel steel truss main girder (16) and the single channel steel truss long main girder (17'), and the connecting plate III (21) is welded to the double channel steel The chord top of the beam end of the main beam of the truss (16) and the long main beam of the single-channel steel truss (17'); the other end of the long beam of the single-channel steel truss (17), the long The two ends of the steel truss beam (18) are respectively connected, the connecting plate I (19) is used for the connection of the single-channel steel truss beam (18) and the single-channel steel truss long beam (17), and the single-channel steel truss long main beam (17' ) and the single-channel steel truss beam (18) are connected with the connecting plate IV (23), and the connecting plate I (19) is welded to the upper chord of the beam end of the single-channel steel truss beam (18) and the single-channel steel truss long beam (17) Edge, connecting plate IV (23) is welded to the top of the upper chord of the beam end of the single channel steel truss beam (17') and the single channel steel truss beam (18); thus the single channel steel truss long beam (17) and the single channel steel The long main girder of the truss (17') is horizontally opposite, and the main girder of the double channel steel truss (16) is horizontally opposite to the single channel steel truss girder (18); ; Connecting plate III (21) and connecting plate IV (23) have bolt holes in the part protruding from the beam; the single channel steel truss long beam (17), the single channel steel truss long main beam (17'), the double channel Steel truss main girder (16) and single channel steel truss girder (18) constitute a rectangular frame; same splicing method as above, single channel steel truss long girder (17), single channel steel truss long main girder (17'), double channel steel truss girder The main truss girder (16) and the single-channel steel truss beam (18) form a rectangular frame; each frame is connected to form a spliced bottom frame; each frame splicing is aligned through the single-channel steel truss beam (18) and connected with bolts, and each The long main girder (17') of the single-channel steel truss is located on a straight line, and the long single-channel steel truss beams (17) are located on a straight line; the steel frame structure of the truss plate is connected to the floor (22) through the upper anchorage of the upper chord of the truss beam , so as to form the truss floor B; in the prestressed eccentric support frame system of the industrially assembled special-shaped column steel structure, the A plate and the B plate are spliced through the arrangement AB...BA, and the ellipsis in the middle represents multiple BB arrangements , AB is connected by screws; The beam involved is a truss beam composed of upper and lower chords and webs, and the angle between the web and the chord is 30 degrees to 60 degrees; it is divided into single beams and double beams, and the single beams are provided with connection holes at regular intervals. It is convenient to use bolts to splice two single beams into a double beam when splicing the plate and the plate; Or the beam involved is a truss beam spliced by upper and lower chords, webs and gusset plates, where the upper and lower chords use angle steel, or use channel steel, or use square steel pipes, and the angle between the web and the chord is 30°-60° It is divided into single beam and double beam, and the single beam is provided with connecting holes at a fixed distance, so that two single beams can be spliced into double beams with bolts when splicing the board and the board; Two-way columns (12) are used at the columns connecting the two beams in the general frame, three-way columns (8) are used at the columns connecting the three beams, and four-way columns (11) are used at the columns connecting the four beams. On the construction site, the prefabricated truss plate is spliced with the beam-column joints of the prefabricated column through its beam end sealing plate; The assembled truss plate is connected with the assembled column by bolts at the beam-column joints to form a frame structure; the prestressed eccentric support member is composed of prestressed cables (28) and ear plates, and the ear plates are welded or bolted to form a frame structure; Connected to the bottom and top of the column of the frame structure or at the upper and lower chords of the truss beam (24), the prestressed cables (28) and the ear plates at the upper and lower ends of each frame structure are connected by bolts at the construction site to form a frame-eccentric support Structure; the prestressed cable (28) applies prestress by tightening the connecting sleeve (25). 2. An industrially assembled special-shaped column frame-steel plate shear wall steel structure system according to claim 1, characterized in that, when the A plate and the B plate are spliced, the single channel steel truss long beam (17) of the A plate The splicing position of the single-channel steel truss long beam (17) of the corresponding B plate is at least the end, middle, and In one quarter, all splices are bolted on-site. 3. An industrially assembled special-shaped column frame-steel plate shear wall steel structure system according to claim 1, wherein the floor is made of profiled steel composite floor, or reinforced concrete floor, or OSB particle board.

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