Fabricated composite structure and method of manufacture

Abstract

The present application relates to the field of fabricated structure, provide a kind of fabricated combination structure and manufacturing method, the fabricated structure includes roof with wing main beam, transverse ring strip, longitudinal straight strip, large bolt, large nut, small bolt, small nut, longitudinal reinforcement, stirrup and reinforcing bar, wing main beam is I-shaped structure, two rows of parallel holes are arranged in the prescribed position of its upper wing plate along the longitudinal direction, one transverse ring strip is arranged on the upper of each pair of upper wing plate hole in transverse direction, transverse ring strip is holed in the prescribed position of both sides horizontal section and is connected with wing main beam by large bolt, transverse ring strip is holed in top, longitudinal straight strip is holed in the prescribed position and is connected with it by small bolt from the top of one row of transverse ring strip, limit and support roof together, the fabricated combination structure provided by the reasonable modeling, construction arrangement and intercalation connection of each part has better tangential shear and normal anti-lifting capacity, has the advantages of better integrity, more convenient assembly and manufacturing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fabricated structure, in particular to a fabricated combined structure and manufacturing method. BACKGROUND

[0002] In civil engineering, the traditional concrete structure constructed by site pouring has poor site construction conditions, very high requirements for site construction organization and construction control, and great difficulty in ensuring construction quality, thus leading to various quality problems of the concrete structure constructed by site pouring. The currently booming fabricated structure has become one of the development trends of structural engineering due to its short construction period, high engineering quality, energy saving and consumption reduction, and green environmental protection.

[0003] The steel-concrete combined structure has been widely used in civil engineering due to the full utilization of the advantages of steel and concrete and the avoidance of their disadvantages. In the conventional steel-concrete combined structure, shear connectors are usually used to combine the steel beam and the concrete slab to form an integral whole, and the shear connectors are generally welded to be arranged, which is relatively complex in construction and high in cost and price. On the other hand, the shear resistance and uplift resistance of the interface between the steel and the concrete of the conventional steel-concrete combined structure still need to be improved, and the integrity of the structure is still insufficient. SUMMARY

[0004] The present application aims to provide a fabricated combined structure and manufacturing method, which comprises a winged main beam, a transverse ring slab, a longitudinal straight slab, a large bolt, a large nut, a small bolt, a small nut, a top plate, a longitudinal reinforcement, a stirrup and a reinforcing bar. By fully utilizing the advantages of the fabricated structure, optimizing the arrangement of each component and improving the connection mode of each component, the fabricated combined structure provided is more reasonable in structure, better in integrity, more convenient in manufacturing and construction, and further improves the shear resistance and uplift resistance of the interface of the combined structure to solve the problems in the background technology.

[0005] The technical solution adopted by the present application to solve the technical problems is: a fabricated combined structure, which comprises a winged main beam, a transverse ring slab, a longitudinal straight slab, a large bolt, a large nut, a small bolt, a small nut and a top plate.

[0006] The winged main beam is an I-shaped structure, and a winged main beam upper flange hole is arranged at a specified position on both sides of the upper flange of the winged main beam in the longitudinal direction, and the winged main beam upper flange holes are arranged in parallel on the plane. A transverse ring slab is arranged above each pair of winged main beam upper flange holes in the transverse direction, which is used for limiting and supporting the top plate.

[0007] The horizontal ring plate strip is provided with horizontal ring plate strip horizontal section opening holes at the specified positions on both sides, which are used for fixing and connecting the horizontal ring plate strip with the winged main beam, and the horizontal ring plate strip is provided with horizontal ring plate strip top opening holes at the middle part, which are used for fixing and connecting the horizontal ring plate strip with the longitudinal straight strip;

[0008] The longitudinal straight strip is provided with a row of longitudinal straight strip opening holes in the middle, and the longitudinal straight strip passes through the horizontal ring plate strip top lower edge, which is used for fixing and connecting a row of horizontal ring plate strips into a whole;

[0009] The winged main beam upper wing plate is provided with the top plate distribution reinforcement framework, the top plate distribution reinforcement framework is provided according to the regulation, is composed of longitudinal reinforcement, stirrup and reinforcing bar, the distribution reinforcement framework is formed by binding or welding, the longitudinal reinforcement, stirrup and reinforcing bar are used for reinforcing the structural strength of the top plate, and the top plate distribution reinforcement framework is matched with the horizontal ring plate strip and the longitudinal straight strip, which is used for limiting and fixing the top plate and increasing the shear capacity.

[0010] Preferably, the horizontal ring plate strip is in a whole semicircular ring shape, the middle part is in an arc shape and protrudes upward, the two ends of the arc shape are provided with horizontal sections with a specified length, the winged main beam is connected with the horizontal ring plate strip into a whole, the horizontal ring plate strip horizontal section opening holes are arranged at the specified positions of the two horizontal sections, and the horizontal ring plate strip top opening holes are arranged at the top positions of the arc protrusions.

[0011] Preferably, the large bolt passes through the winged main beam upper wing plate opening hole and the horizontal ring plate strip horizontal section opening hole from below to above and extends out, is fastened by a large nut at the top, a row of horizontal ring plate strips is arranged on the winged main beam upper wing plate, and the two are assembled and connected into a whole by the large bolt and the large nut.

[0012] Preferably, the small bolt passes through the longitudinal straight strip opening hole and the horizontal ring plate strip top opening hole from below to above and extends out, is fastened by a small nut at the top, and the winged main beam, the row of horizontal ring plate strips and the longitudinal straight strip are assembled and connected into a lower main body.

[0013] Preferably, the stirrup and reinforcing bar of the distribution reinforcement framework are provided in the transverse direction according to the regulation, the longitudinal reinforcement is provided in the longitudinal direction according to the regulation, the longitudinal reinforcement is arranged at the inner edges of the stirrup and reinforcing bar, the stirrup and reinforcing bar are arranged between the horizontal ring plate strips in the longitudinal direction, and the thicknesses of the protective layers of various distribution reinforcements meet the specified requirements.

[0014] The longitudinal reinforcement of the top plate distribution reinforcement framework is longitudinally crossed with the horizontal ring plate strip, the crossed longitudinal reinforcement passes through the horizontal ring plate strip lower edge in the longitudinal direction;

[0015] The stirrup and reinforcing bar of the distribution reinforcement framework are longitudinally crossed with the longitudinal straight strip, and the crossed stirrup and reinforcing bar pass through the longitudinal straight strip lower part in the longitudinal direction.

[0016] The upper wing plate of the wing main beam is preferably provided with a formwork, and the top plate with a specified thickness is poured on the basis of meeting the specified requirements of the various steel reinforcement layer thicknesses, and the entire fabricated combined structure is formed after curing and molding.

[0017] Preferably, the wing main beam is directly manufactured using a standard type steel with an upper wing plate, or is processed into a type with an upper wing plate using various types of standard steel materials;

[0018] The transverse ring strip and the longitudinal straight strip are processed into a strip type using one or more of standard steel materials, carbon fibers, glass fibers, and graphene;

[0019] The top plate is manufactured using one or more of high-strength concrete, high-performance concrete, fiber concrete, ultra-high-performance concrete, polymer concrete, and ordinary concrete;

[0020] The longitudinal reinforcement, stirrup, and reinforcement of the reinforcement framework are manufactured using one or more of ordinary steel reinforcement, prestressed steel reinforcement, and fiber steel reinforcement.

[0021] Preferably, the position of the opening of the horizontal section of the transverse ring strip corresponds to the position of the opening of the upper wing plate of the wing main beam, and the shape and size of the opening of the horizontal section of the transverse ring strip are the same as those of the opening of the upper wing plate of the wing main beam;

[0022] The position of the opening of the longitudinal straight strip corresponds to the position of the opening of the top of the transverse ring strip, and the shape and size of the opening of the longitudinal straight strip are the same as those of the opening of the top of the transverse ring strip.

[0023] Preferably, the large bolt and the large nut are used in a complete set, the diameter of the large bolt is matched with the size of the opening of the upper wing plate of the wing main beam and the opening of the horizontal section of the transverse ring strip according to the regulations, and the length of the large bolt is matched with the thickness of the upper wing plate of the wing main beam and the thickness of the horizontal section of the transverse ring strip according to the regulations;

[0024] The small bolt and the small nut are used in a complete set, the diameter of the small bolt is matched with the size of the opening of the top of the transverse ring strip and the opening of the longitudinal straight strip according to the regulations, and the length of the small bolt is matched with the thickness of the transverse ring strip and the thickness of the longitudinal straight strip according to the regulations.

[0025] A manufacturing method of a fabricated combined structure, the manufacturing method comprising the following steps:

[0026] S1: preparing various standard profiles required for manufacturing the wing main beam, the transverse ring strip, and the longitudinal straight strip, preparing the required standard large bolts, large nuts, small bolts, and small nuts, cutting and preparing the longitudinal reinforcement, stirrup, and reinforcement of the top plate reinforcement framework according to the regulations, and preparing various materials for the top plate;

[0027] S2: according to the provisions, the wing main beam, transverse ring plate strip, longitudinal straight plate strip is prepared;

[0028] S3: according to the provisions, the wing main beam upper wing plate opening is arranged on the upper wing plate of the wing main beam, the transverse ring plate strip horizontal section opening is arranged on the two end horizontal sections of the transverse ring plate strip, the transverse ring plate strip top opening is arranged on the top of the transverse ring plate strip, and the longitudinal straight plate strip opening is arranged on the longitudinal straight plate strip;

[0029] S4: the transverse ring plate strip and the wing main beam are connected by the wing main beam upper wing plate opening of the wing main beam upper wing plate, the transverse ring plate strip horizontal section opening of the two end horizontal sections of the transverse ring plate strip, and large bolts and large nuts are used;

[0030] S5: the longitudinal straight plate strip and the transverse ring plate strip are connected by the transverse ring plate strip top opening and the longitudinal straight plate strip opening, and small bolts and small nuts are used, so that the lower main body of the assembled combined structure is formed;

[0031] S6: the four peripheral formworks for installing the roof are made on the upper surface of the wing main beam upper wing plate, the reinforcement framework of the roof is made according to the provisions and is arranged in the formwork and fixed, the reinforcement framework is formed by binding or welding, and the thickness of the reserved protective layer meets the requirements;

[0032] S7: various materials for manufacturing the roof are mixed according to the provisions to form a mixture meeting the requirements, the release agent is uniformly sprayed on the inner side of the four peripheral formworks for the roof, the roof is poured according to the provisions, vibration is performed during pouring, and curing is performed after pouring to form the entire assembled combined structure.

[0033] The application has the beneficial effects that the transverse ring plate strip and the longitudinal straight plate strip are used as main shear connectors, and the interface shear capacity is higher than that of the conventional steel-concrete combined structure.

[0034] The ingenious form and connection of the transverse ring plate strip and the longitudinal straight plate strip can bind more roof materials between the wing main beam upper wing plate and the transverse ring plate strip and the longitudinal straight plate strip, and the anti-lifting capacity is higher than that of the conventional steel-concrete combined structure.

[0035] The ingenious form and connection of the transverse ring plate strip and the longitudinal straight plate strip and the interpenetration and interlacing connection of the transverse ring plate strip and the longitudinal straight plate strip and the reinforcement framework of the roof make the integrity of the entire combined structure better than that of the conventional steel-concrete combined structure.

[0036] The shear connectors in the application are connected by bolts, the advantages of the assembled structure are fully exerted, and the connection is more convenient and faster and has more advantages in cost than the conventional welding connection. BRIEF DESCRIPTION OF DRAWINGS

[0037] Fig. 1 is a three-dimensional schematic view of the assembled structure of the present application.

[0038] Fig. 2 is a cross-sectional schematic view of the assembled structure of the present application.

[0039] Fig. 3 is a longitudinal sectional schematic view of the assembled structure of the present application.

[0040] Fig. 4 is a three-dimensional schematic view of the lower body and the top plate of the assembled structure of the present application.

[0041] Fig. 5 is a three-dimensional schematic view of the lower body of the assembled structure of the present application.

[0042] Fig. 6 is a schematic view of the top plate of the assembled structure of the present application.

[0043] Fig. 7 is an exploded view of the components of the assembled structure of the present application.

[0044] Fig. 8 is a flow chart of the manufacturing method of the assembled structure of the present application.

[0045] In the figures: 1, winged main beam; 2, transverse ring strip; 3, longitudinal straight strip; 4, large bolt; 5, large nut; 6, small bolt; 7, small nut; 8, top plate; 101, opening in the upper wing plate of the winged main beam; 201, opening in the horizontal section of the transverse ring strip; 202, opening in the top of the transverse ring strip; 301, opening in the longitudinal straight strip; 801, longitudinal reinforcement; 802, stirrup; 803, reinforcing bar. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application is further described in detail below in combination with the figures and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0047] Referring to Figures 1-8 The assembled structure provided by the present application comprises a winged main beam 1, a transverse ring strip 2, a longitudinal straight strip 3, a large bolt 4, a large nut 5, a small bolt 6, a small nut 7 and a top plate 8. The components are assembled and connected to each other to form a stable overall structure, which improves the ability of the assembled structure to resist external forces and enhances the overall stability and reliability of the structure.

[0048] Please refer to the schematic diagram of FIG. 1 to FIG. 7, the wing main beam 1 is an I-shaped structure, two rows of wing main beam upper wing plate openings 101 are arranged at a specified position of the upper wing plate in the longitudinal direction, and are arranged in parallel in the plane, and a transverse ring strip 2 is arranged above each pair of wing main beam upper wing plate openings 101 in the transverse direction, which is used for limiting and supporting the roof 8.

[0049] The transverse ring strip 2 is provided with a transverse ring strip horizontal section opening 201 at a specified position on both sides, which is used for fixedly connecting the transverse ring strip 2 with the wing main beam 1, and the transverse ring strip 2 is provided with a transverse ring strip top opening 202 at a middle part, which is used for fixedly connecting the transverse ring strip 2 with the longitudinal straight strip 3; the transverse ring strip 2 is in a whole semicircular ring shape, and the middle part is in an arc shape and protrudes upward, so that the structure can better disperse stress and avoid stress concentration when being stressed, the mechanical properties of the structure are improved, the load bearing capacity of the structure is enhanced, the two ends of the arc shape have a specified length of horizontal section, which facilitates the connection of the wing main beam 1 with the transverse ring strip 2 into a whole, the transverse ring strip horizontal section opening 201 is arranged at a specified position of the two horizontal sections, and the transverse ring strip top opening 202 is arranged at a top position of the arc-shaped protrusion. A large bolt 4 is inserted from below to above through the wing main beam upper wing plate opening 101 and the transverse ring strip horizontal section opening 201 and protrudes out, and a large nut 5 is used for fastening at the top, and a row of transverse ring strips 2 is arranged on the upper wing plate of the wing main beam 1, and the two are assembled and connected by the large bolt 4 and the large nut 5 to form a whole. The standardized design is adopted, the assembly is carried out by means of the opening and the bolt connection, the advantages of the assembly structure are maximally exerted, the construction process is simple, the construction efficiency can be greatly improved, the construction period can be shortened, and the construction cost can be reduced.

[0050] The longitudinal straight strip 3 is provided with a longitudinal straight strip opening 301 at a middle part, the longitudinal straight strip 3 passes through the top lower edge of the transverse ring strip 2, which is used for fixedly connecting a row of transverse ring strips 2 into a whole; a small bolt 6 is inserted from below to above through the longitudinal straight strip opening 301 and the transverse ring strip top opening 202 and protrudes out, and a small nut 7 is used for fastening at the top, and the wing main beam 1, a row of transverse ring strips 2 and the longitudinal straight strip 3 are assembled and connected to form a lower main body. The transverse ring strip 2 and the longitudinal straight strip 3 are used as main shear connectors, which ensures the shear capacity of the assembly structure, increases the connecting force between the transverse ring strip 2 and the wing main beam 1, ensures the firm connection between the wing main beam 1 and the transverse ring strip 2 and prevents loosening, ensures the integrity and stability of the structure, enhances the cooperative working capacity of the structure, and improves the ability of the structure to resist various loads.

[0051] The upper wing plate of the wing main beam 1 is provided with a reinforcing framework of the top plate 8, and the reinforcing framework of the top plate 8 is provided according to the regulations and is composed of longitudinal bars 801, stirrups 802 and reinforcing bars 803. The reinforcing framework is formed by binding or welding. The longitudinal bars 801, the stirrups 802 and the reinforcing bars 803 cooperate to strengthen the structural strength of the top plate 8. The reinforcing framework of the top plate 8 cooperates with the transverse ring plate strips 2 and the longitudinal straight plate strips 3 to limit and fix the top plate 8 and increase the shear capacity.

[0052] The stirrups 802 and the reinforcing bars 803 of the reinforcing framework are provided transversely according to the regulations, and the longitudinal bars 801 are provided longitudinally according to the regulations. The longitudinal bars 801 are arranged at the inner edges of the stirrups 802 and the reinforcing bars 803, and the stirrups 802 and the reinforcing bars 803 are arranged longitudinally between the transverse ring plate strips 2. The thicknesses of the protective layers of various reinforcing bars meet the specified requirements. The longitudinal bars 801 of the reinforcing framework of the top plate 8 are transversely and longitudinally crossed with the transverse ring plate strips 2. The crossed longitudinal bars 801 pass from the lower edges of the transverse ring plate strips 2 in the longitudinal direction. The stirrups 802 and the reinforcing bars 803 of the reinforcing framework are transversely and longitudinally crossed with the longitudinal straight plate strips 3. The crossed stirrups 802 and the reinforcing bars 803 pass from the lower edges of the longitudinal straight plate strips 3 in the longitudinal direction. The reinforcing framework of the top plate is connected to the transverse ring plate strips 2 and the longitudinal straight plate strips 3 in a staggered manner, so that the reinforcing framework of the top plate is connected to the transverse ring plate strips 2 and the longitudinal straight plate strips 3 as a whole, and the connection between the two is more compact. Compared with conventional steel-concrete composite structures, the assembled composite structure can provide higher resistance to lifting.

[0053] The upper wing plate of the wing main beam 1 is provided with a reinforcing framework of the top plate 8, and the reinforcing framework of the top plate 8 is provided according to the regulations and is composed of longitudinal bars 801, stirrups 802 and reinforcing bars 803. The reinforcing framework is formed by binding or welding. The longitudinal bars 801, the stirrups 802 and the reinforcing bars 803 cooperate to strengthen the structural strength of the top plate 8. The reinforcing framework of the top plate 8 cooperates with the transverse ring plate strips 2 and the longitudinal straight plate strips 3 to limit and fix the top plate 8 and increase the shear capacity.

[0054] The wing main beam 1 is directly manufactured by using a standard type steel with an upper wing plate, or is manufactured by using various types of standard steel materials to form a type with an upper wing plate. The transverse ring plate strips 2 and the longitudinal straight plate strips 3 are manufactured by using one or more of standard steel materials, carbon fibers, glass fibers and graphene to form a strip type. The top plate 8 is manufactured by using one or more of high-strength concrete, high-performance concrete, fiber concrete, ultra-high-performance concrete, polymer concrete and ordinary concrete. The longitudinal bars 801, the stirrups 802 and the reinforcing bars 803 of the reinforcing framework are manufactured by using one or more of ordinary steel bars, prestressed steel bars and fiber steel bars. The diversified material selection enables the assembled composite structure to be applied to different engineering fields and projects, meet various complex engineering requirements, and expand the application range of the structure.

[0055] The position of the transverse ring strip horizontal section opening 201 corresponds to the position of the upper wing plate opening 101 of the winged main beam, and the shape and size of the transverse ring strip horizontal section opening 201 are the same as those of the upper wing plate opening 101 of the winged main beam. The position of the longitudinal straight strip opening 301 corresponds to the position of the top opening 202 of the transverse ring strip, and the shape and size of the longitudinal straight strip opening 301 are the same as those of the top opening 202 of the transverse ring strip. The accurate pairing between the holes reduces the errors and deviations in the assembly process, avoids the problems of structural looseness and deformation caused by loose connection, and improves the reliability and stability of the connection part.

[0056] The large bolt 4 is matched with the large nut 5, the diameter of the large bolt 4 is matched with the size of the upper wing plate opening 101 of the winged main beam and the horizontal section opening 201 of the transverse ring strip according to the regulation, and the length of the large bolt 4 is matched with the thickness of the upper wing plate of the winged main beam 1 and the thickness of the horizontal section of the transverse ring strip 2 according to the regulation. The small bolt 6 is matched with the small nut 7, the diameter of the small bolt 6 is matched with the size of the top opening 202 of the transverse ring strip and the longitudinal straight strip opening 301 according to the regulation, and the length of the small bolt 6 is matched with the thickness of the transverse ring strip 2 and the thickness of the longitudinal straight strip 3 according to the regulation. The tight cooperation between the bolt and the hole avoids the dislocation and movement of each component after the assembly is completed, effectively transmits the load, avoids the structural safety accidents caused by connection failure, and improves the safety and reliability of the structure.

[0057] A manufacturing method of a fabricated combined structure, the manufacturing method comprising the following steps:

[0058] S1: preparing various standard sections required for manufacturing the winged main beam 1, the transverse ring strip 2 and the longitudinal straight strip 3, preparing the standard large bolt 4, the large nut 5, the small bolt 6 and the small nut 7 required, cutting and preparing the longitudinal reinforcement 801, the stirrup 802 and the reinforcement 803 of the roof 8 according to the regulation, and preparing various materials for preparing the roof;

[0059] S2: preparing the winged main beam 1, the transverse ring strip 2 and the longitudinal straight strip 3 according to the regulation;

[0060] S3: setting the upper wing plate opening 101 of the winged main beam on the upper wing plate of the winged main beam 1 according to the regulation, setting the horizontal section opening 201 of the transverse ring strip on the horizontal section of the two ends of the transverse ring strip 2 according to the regulation, setting the top opening 202 of the transverse ring strip on the top of the transverse ring strip 2 according to the regulation, and setting the longitudinal straight strip opening 301 on the longitudinal straight strip 3 according to the regulation;

[0061] S4: using the large bolt 4 and the large nut 5 to assemble and connect the transverse ring strip 2 and the winged main beam 1 through the winged main beam upper wing plate opening 101 of the winged main beam 1 upper wing plate and the horizontal section opening 201 of the two ends of the transverse ring strip 2.

[0062] S5: By using small bolts 6 and small nuts 7, the longitudinal straight slats 3 and the transverse ring slats 2 are assembled and connected through the transverse ring slat top hole 202 and the longitudinal straight slat hole 301, so as to form a lower main body of the assembled combined structure;

[0063] S6: The four outer formworks of the top plate 8 are made on the upper surface of the wing plate of the wing main beam 1, the reinforcement framework of the top plate 8 is made according to the regulations by using longitudinal reinforcement 801, hoop reinforcement 802 and reinforcing bars 803 and is fixed in the formwork, the reinforcement framework is formed by binding or welding, and the thickness of the reserved protective layer around the four sides meets the requirements;

[0064] S7: The materials for manufacturing the top plate 8 are mixed according to the specified components to form a mixture meeting the requirements, the release agent is uniformly sprayed on the inner side of the four outer formworks of the top plate 8, the top plate 8 is poured according to the regulations, the pouring process is vibrated according to the regulations, and the pouring is completed, and the maintenance forming is carried out according to the requirements, so as to form the entire assembled combined structure.

[0065] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fabricated composite structure, characterized by: The assembled combination structure comprises winged main beams (1), transverse ring plate strips (2), longitudinal straight plate strips (3), large bolts (4), large nuts (5), small bolts (6), small nuts (7) and roof plates (8); The winged main beam (1) is of an I-shaped structure, and a winged main beam upper wing plate opening (101) is arranged at a prescribed position on both sides of the upper wing plate in the longitudinal direction, and is arranged in parallel on a plane, and a transverse ring plate strip (2) is arranged above each pair of winged main beam upper wing plate openings (101) in the transverse direction, and is used for limiting and supporting the roof plate (8); The transverse ring plate strip (2) is provided with a transverse ring plate strip horizontal section opening (201) at a prescribed position on both sides, which is used for fixing and connecting the transverse ring plate strip (2) and the winged main beam (1), and the transverse ring plate strip (2) is provided with a transverse ring plate strip top opening (202) at a middle part, which is used for fixing and connecting the transverse ring plate strip (2) and the longitudinal straight plate strip (3); The longitudinal straight plate strip (3) is provided with a row of longitudinal straight plate strip openings (301) in the middle, and the longitudinal straight plate strip (3) passes through the lower edge of the top of the transverse ring plate strip (2) closely, and is used for fixing and connecting a row of transverse ring plate strips (2) into a whole. The winged main beam (1) is provided with a row of transverse ring plate strips (2) arranged above the upper wing plate, and a reinforcement framework of the roof plate (8) is arranged, and the reinforcement framework of the roof plate (8) is composed of longitudinal reinforcement (801), stirrup (802) and reinforcing bar (803), and is formed by binding or welding, and the longitudinal reinforcement (801), the stirrup (802) and the reinforcing bar (803) are used for reinforcing the structural strength of the roof plate (8) in cooperation, and the reinforcement framework of the roof plate (8) cooperates with the transverse ring plate strip (2) and the longitudinal straight plate strip (3), and is used for limiting and fixing the roof plate (8) and increasing the shearing capacity.

2. The prefabricated composite structure according to claim 1, characterized in that: The transverse ring plate strip (2) is in a whole semicircular ring shape, and the middle part is arc-shaped and protrudes upward, and the two ends of the arc-shaped part have a prescribed length of horizontal section, so as to facilitate the connection of the winged main beam (1) and the transverse ring plate strip (2) into a whole, the transverse ring plate strip horizontal section opening (201) is arranged at a prescribed position of the two horizontal sections, and the transverse ring plate strip top opening (202) is arranged at a top position of the arc-shaped protrusion.

3. The prefabricated composite structure according to claim 1, characterized in that: The large bolt (4) passes through the winged main beam upper wing plate opening (101) and the transverse ring plate strip horizontal section opening (201) from bottom to top and extends out, and is fastened by the large nut (5) at the top, and a row of transverse ring plate strips (2) are arranged on the upper wing plate of the winged main beam (1), and the two are assembled and connected into a whole by the large bolt (4) and the large nut (5).

4. The prefabricated composite structure according to claim 1, characterized in that: The small bolt (6) passes through the longitudinal straight plate strip opening (301) and the transverse ring plate strip top opening (202) from bottom to top and extends out, and is fastened by the small nut (7) at the top, and the winged main beam (1), the row of transverse ring plate strips (2) and the longitudinal straight plate strip (3) are assembled and connected into a lower main body.

5. The prefabricated composite structure according to claim 1, characterized in that: The stirrup (802) and the reinforcing bar (803) of the reinforcement framework are arranged transversely, the longitudinal bar (801) is arranged longitudinally, the longitudinal bar (801) is arranged at the inner edge of the stirrup (802) and the reinforcing bar (803), the stirrup (802) and the reinforcing bar (803) are arranged between the transverse ring strip (2) along the longitudinal direction, and the thickness of the protective layer of various reinforcement frameworks meets the specified requirements; The longitudinal bar (801) of the reinforcement framework of the roof (8) is longitudinally and transversely crossed with the transverse ring strip (2), and the crossed longitudinal bar (801) passes through the lower edge of the transverse ring strip (2) along the longitudinal direction; The stirrup (802) and the reinforcing bar (803) of the reinforcement framework are longitudinally and transversely crossed with the longitudinal straight strip (3), and the crossed stirrup (802) and the reinforcing bar (803) pass through the lower part of the longitudinal straight strip (3) along the longitudinal direction.

6. The prefabricated composite structure according to claim 1, characterized in that: The upper wing plate of the wing main beam (1) is provided with a formwork, and the roof (8) with a specified thickness is poured on the basis that the thickness of the protective layer of various steel bars meets the specified requirements, and the entire fabricated combined structure is formed after curing and forming.

7. The prefabricated composite structure according to claim 1, characterized in that: The wing main beam (1) is directly manufactured by using a standard type steel with an upper wing plate, or is manufactured by using various types of standard steel materials. The transverse ring strip (2) and the longitudinal straight strip (3) are manufactured by using one or more of standard steel materials, carbon fibers, glass fibers, and graphene. The roof (8) is manufactured by using one or more of high-strength concrete, high-performance concrete, fiber concrete, ultra-high-performance concrete, polymer concrete, and ordinary concrete. The longitudinal bar (801), the stirrup (802), and the reinforcing bar (803) of the reinforcement framework are manufactured by using one or more of ordinary steel bars, prestressed steel bars, and fiber steel bars.

8. The prefabricated composite structure according to claim 1, characterized in that: The position of the horizontal section opening (201) of the transverse ring strip corresponds to the position of the upper wing plate opening (101) of the wing main beam, and the shape and size of the horizontal section opening (201) of the transverse ring strip are the same as those of the upper wing plate opening (101) of the wing main beam. The position of the longitudinal straight strip opening (301) corresponds to the position of the top opening (202) of the transverse ring strip, and the shape and size of the longitudinal straight strip opening (301) are the same as those of the top opening (202) of the transverse ring strip.

9. The prefabricated composite structure according to claim 1, characterized in that: The large bolt (4) and the large nut (5) are matched and used in a set, the diameter of the large bolt (4) is matched with the size of the upper wing plate opening (101) of the wing main beam and the horizontal section opening (201) of the transverse ring strip according to the specification, and the length of the large bolt (4) is matched with the thickness of the upper wing plate of the wing main beam (1) and the thickness of the horizontal section of the transverse ring strip (2) according to the specification. The small bolt (6) and the small nut (7) are matched and used in a set, the diameter of the small bolt (6) is matched with the size of the top opening (202) of the transverse ring strip and the longitudinal straight strip opening (301) according to the specification, and the length of the small bolt (6) is matched with the thickness of the transverse ring strip (2) and the thickness of the longitudinal straight strip (3) according to the specification.

10. A method of manufacturing a fabricated composite structure as claimed in any one of claims 1 to 9, characterized in that: The manufacturing method comprises the following steps: S1: Prepare various standard sections needed to manufacture wing main beam (1), transverse ring plate strip (2), longitudinal straight plate strip (3), prepare the required standard large bolts (4), large nuts (5), small bolts (6) and small nuts (7), according to the specified longitudinal reinforcement (801), stirrup (802), reinforcement (803) of the top plate (8) skeleton, and prepare the specified shape, prepare various materials for preparing the top plate; S2: Prepare wing main beam (1), transverse ring plate strip (2), longitudinal straight plate strip (3) according to the specified; S3: According to the specified, set the wing main beam upper wing plate opening (101) on the upper wing plate of the wing main beam (1), set the transverse ring plate horizontal section opening (201) on the two ends of the horizontal section of the transverse ring plate strip (2), set the transverse ring plate top opening (202) on the top of the transverse ring plate strip (2), and set the longitudinal straight plate opening (301) on the longitudinal straight plate strip (3); S4: Use large bolts (4) and large nuts (5) to assemble and connect the transverse ring plate strip (2) and the wing main beam (1) through the wing main beam upper wing plate opening (101) of the wing main beam upper wing plate, the transverse ring plate horizontal section opening (201) of the two ends of the horizontal section of the transverse ring plate strip (2); S5: Use small bolts (6) and small nuts (7) to assemble and connect the longitudinal straight plate strip (3) and the transverse ring plate strip (2) through the transverse ring plate top opening (202) and the longitudinal straight plate opening (301), thereby forming the lower main body of the assembled combined structure; S6: Make the four surrounding formworks of the top plate (8) on the upper wing plate of the wing main beam (1), and fix the reinforcement skeleton of the top plate (8) in the formwork according to the specified longitudinal reinforcement (801), stirrup (802), reinforcement (803), the reinforcement skeleton is formed by binding or welding, and the thickness of the reserved protective layer around the four sides meets the requirements; S7: Mix the various materials for manufacturing the top plate (8) according to the specified components to form a mixture that meets the requirements, evenly spray the release agent on the inside of the four surrounding formworks of the top plate (8), pour the top plate (8) according to the specified, vibrate during pouring, and perform curing and shaping after pouring to form the entire assembled combined structure.

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