Modular assembly type SRC beam-SRC bracket column frame structure and assembly method thereof

Abstract

The invention provides a modular assembly type SRC beam-SRC bracket column frame structure and an assembly method thereof. The modular assembly type SRC beam-SRC bracket column frame structure comprises SRC bracket columns, SRC beams and column-column joint cores. The SRC bracket column comprises a bracket column type steel framework and column concrete, bolt holes are formed in the upper end and the lower end of the column cross-shaped steel and the upper end and the lower end of the column concrete, and a beam-beam connecting core is arranged at the outer end of the bracket beam H-shaped steel; the SRC beam comprises beam H-shaped steel, beam concrete and beam shoes, the beam shoes are arranged at the two ends of the beam H-shaped steel, and the ends of the SRC beam are connected with the beam-beam connection cores of the SRC bracket columns through the beam shoes; the column-column node core comprises a node core plate and two groups of L-shaped end plates, and threaded holes are formed in corresponding positions of the L-shaped end plates; every two vertically adjacent SRC bracket columns are connected and fixed through the column-column joint cores and the single-side self-locking high-strength bolts, every two horizontally adjacent SRC bracket columns are connected and fixed together through the SRC beams and the single-side self-locking high-strength bolts, and a frame structure is formed.

Description

Technical Field

[0001] The invention relates to the technical field of modular assembled building, in particular to a modular assembled SRC beam-SRC corbel column frame structure and an assembly method thereof. Background Art

[0002] Against the background of vigorous development of building industrialization, informatization, intelligence, greening and resilient urban and rural construction in my country, the promotion of prefabricated buildings is imperative. At the same time, it can also meet the needs of energy conservation and emission reduction in the construction industry, and has positive significance for the sustainable development of the construction industry.

[0003] Steel Reinforced Concrete (SRC) structure is an important structural form in steel-concrete composite structure. Because it configures steel in traditional reinforced concrete structural components, it has the advantages of high bearing capacity, large lateral stiffness, good ductility and energy dissipation performance. In order to combine the high strength and high ductility of SRC structure with the advantages of convenient construction of prefabricated concrete structure, domestic and foreign engineering and technical personnel have made many attempts and proposed assembled SRC structure.

[0004] However, most of the existing prefabricated SRC structural systems at home and abroad are assembled by prefabricating some SRC components and pouring some on-site, while there are relatively few studies on fully prefabricated SRC structural systems.

[0005] At the same time, the construction method of partial prefabrication and partial cast-in-place will inevitably lead to a large amount of wet work on the construction site, which makes it impossible to fully utilize the advantages of prefabricated buildings.

[0006] In order to solve the above problems, people have been seeking an ideal technical solution. Summary of the invention

[0007] The purpose of the present invention is to provide a modular assembled SRC beam-SRC corbel column frame structure and an assembly method thereof, which can reduce the workload of on-site wet work, reduce material loss, reduce assembly difficulty, improve construction efficiency and have high stability.

[0008] In order to achieve the above-mentioned object, the technical solution adopted by the present invention is: a modular assembled SRC beam-SRC corbel column frame structure, including a plurality of SRC corbel columns, a plurality of SRC beams, a plurality of column-column node cores, a plurality of unilateral self-locking high-strength bolts and a plurality of ordinary high-strength bolts; The SRC corbel column comprises a corbel column steel frame and column concrete; the corbel column steel frame comprises a column cross steel and a corbel beam H-shaped steel, the corbel beam H-shaped steel is welded and fixed to at least one side of the middle of the column cross steel, the column concrete is wrapped on the surface of the corbel column steel frame, the column cross steel and the upper and lower ends of the column concrete are provided with bolt holes with matching positions, the bottom end of the column concrete is reserved with a grouting hole and a grouting hole, the outer end of the corbel beam H-shaped steel is provided with a beam-beam connection core, and the beam-beam connection core is provided with a bolt hole at one end near the corbel beam H-shaped steel and a threaded hole at the other end; The SRC beam includes an H-shaped steel beam, a concrete beam and a beam shoe, wherein the concrete beam is wrapped on the surface of the H-shaped steel beam, and the beam shoe includes a front end and a rear end, wherein the front end of the beam shoe is provided with a hanging opening and a threaded hole matching the beam-beam connection core, and the rear end of the beam shoe is provided with a bolt hole, and both ends of the H-shaped steel beam are connected to the rear end of the beam shoe by ordinary high-strength bolts, and the front end of the beam shoe of the SRC beam is hung and positioned with the front end of the beam-beam connection core of the SRC corbel column and is connected and fixed by a unilateral self-locking high-strength bolt; The column-column node core comprises a node core plate and two groups of L-shaped end plates installed on both end surfaces of the node core plate, one end of the L-shaped end plate is connected to the node core plate by welding and encloses to form a columnar joint, and a threaded hole is arranged on the connection surface of the L-shaped end plate; Two vertically adjacent SRC corbel columns are connected and fixed by a column-column node core and a single-sided self-locking high-strength bolt, and two horizontally adjacent SRC corbel columns are connected and fixed together by an SRC beam and a single-sided self-locking high-strength bolt to form a frame structure as a whole.

[0009] Based on the above, the column cross-shaped steel includes a core web with a cross-shaped cross section and four flange plates formed at the outer ends of the cross-shaped core web. Adjacent flange plates are perpendicular to each other and do not contact each other. Bolt holes are respectively set at both ends of each flange plate of the column cross-shaped steel.

[0010] Based on the above, the inner end of the corbel beam H-shaped steel is welded to the flange plate in the middle of the column cross-shaped steel, and the number of the corbel beam H-shaped steel in a single SRC corbel column is one, two, three or four.

[0011] Based on the above, a plurality of H-shaped steel bolt holes are arranged on the web of the outer end of the H-shaped steel of the corbel beam, and the beam-beam connection core includes a beam-beam connection core end head, a beam-beam connection core web plate, a beam-beam connection core flange and a beam-beam connection core end plate. The beam-beam connection core end head is rectangular and two side plates are provided with beam-beam connection core end head threaded holes. The rear end of the beam-beam connection core end head is welded to the front end face of the beam-beam connection core end plate, and two beam-beam connection core web plates are welded in the middle of the rear end face of the beam-beam connection core end plate. A gap is formed between the core webs for clamping the web of the corbel H-shaped steel, and a through bolt hole is arranged on the web of the beam-to-beam connection core; the upper and lower parts of the rear end surface of the beam-to-beam connection core end plate are respectively welded with the beam-to-beam connection core flange, and a gap is provided at the center position of the beam-to-beam connection core flange for clamping the web of the corbel H-shaped steel, wherein the width of each upper and lower beam-to-beam connection core flange is equal to the width of the flange plates on both sides of the web of the corbel H-shaped steel, and the beam-to-beam connection core flange is connected to the flange of the corbel H-shaped steel by welding.

[0012] Based on the above, a plurality of bolt holes are arranged on the webs at both ends of the H-shaped steel of the SRC beam, and the beam shoe comprises a beam shoe end, a beam shoe web, a beam shoe flange and a beam shoe end plate, wherein the beam shoe end is called the front end of the beam shoe, the beam shoe web and the beam shoe flange are called the rear end of the beam shoe, the beam shoe end is a gate-shaped structure matching the end of the beam-beam connection core, a plurality of threaded holes are arranged on both sides of the beam shoe end, the rear end of the beam shoe end is welded to the front end face of the beam shoe end plate, two beam shoe webs are welded at the center of the rear end face of the beam shoe end plate, a gap for clamping the web of the H-shaped steel of the beam is arranged between the two beam shoe webs, and a through bolt hole is arranged on the beam shoe web; the upper and lower parts of the rear end face of the beam shoe end plate are respectively provided with the beam shoe flanges, the middle part of the beam shoe flange is provided with a gap for clamping the web of the H-shaped steel of the beam, and the width of the upper and lower beam shoe flanges is equal to the width of the flange plates on both sides of the web of the H-shaped steel of the beam.

[0013] Based on the above, the node core plate of the column-column node core is rectangular as a whole, and a group of L-shaped end plates has four in number. The four L-shaped end plates are combined to form a rectangular opening, and a joint is left between two adjacent L-shaped end plates for socket connection with the web of the column cross steel in the corbel column steel frame. The threaded holes on the surface of the L-shaped end plates are used to match the bolt holes on the flange plates of the column cross steel.

[0014] A method for assembling a modular assembled SRC beam-SRC corbel column frame structure is provided, based on the modular assembled SRC beam-SRC corbel column frame structure, and assembled by the following steps: Step 1) The factory manufactures the beam-beam connection core end, beam-beam connection core web, beam-beam connection core flange and beam-beam connection core end plate, welds the beam-beam connection core end, beam-beam connection core end plate, beam-beam connection core web and beam-beam connection core flange together, and respectively opens beam-beam connection core end thread holes at the corresponding positions of the beam-beam connection core end, and opens beam-beam connection core web bolt holes at the corresponding positions of the beam-beam connection core web, thus completing the component beam-beam connection core; Step 2) The factory makes the SRC corbel column steel frame, ties the steel bars, makes the formwork, pours the column concrete and corbel beam concrete in sequence, and reserves the column concrete bolt reserved holes, grouting holes and grouting holes respectively; after the concrete curing is completed, align the web bolt holes of the beam-beam connection core with the corbel beam H-shaped steel bolt holes, connect the beam-beam connection core with the corbel beam H-shaped steel in the SRC corbel column steel frame as a whole through ordinary high-strength bolts, and connect the flange of the beam-beam connection core with the flange of the corbel beam H-shaped steel by welding, thus completing the production of the component SRC corbel column; similarly, complete the corbel columns at different positions in the frame in sequence; Step 3) The factory manufactures the beam shoe end, beam shoe web, beam shoe flange and beam shoe end plate, welds the beam shoe end, beam shoe end plate, beam shoe web and beam shoe flange together, and sets the beam shoe end bolt holes and beam shoe web bolt holes at the corresponding positions of the beam shoe end and beam shoe web, thus completing the component beam shoe; Step 4) The factory makes H-beam steel and opens bolt holes at the corresponding positions of H-beam steel. Then, the steel bars are tied, the formwork is made, and the beam concrete is poured. After the concrete curing is completed, the bolt holes of H-beam steel are aligned with the bolt holes of the web of the beam shoe. The beam shoe and the H-beam steel are connected as a whole through ordinary high-strength bolts. Thus, the component SRC beam is completed. Step 5) The factory manufactures the node core plate and L-shaped end plate, and opens L-shaped end plate threaded holes at the corresponding positions of the L-shaped end plates. Then, four L-shaped end plates of the same size are welded in groups to both sides of the node core plate, thus completing the column-column node core. Step 6) Pre-embed the column-column node core in the foundation at the construction site; Step 7) At the construction site, the SRC corbel column and the pre-buried column-column node core in the foundation are hoisted, aligned, and put in place, and then the SRC corbel column and the column-column node core are connected as a whole through a single-sided self-locking high-strength bolt. Similarly, the other SRC corbel columns spanning one layer are assembled in sequence; Step 8) Lift the SRC beam from top to bottom at the construction site, align the bolt hole at the end of the SRC beam boot with the threaded hole at the end of the SRC corbel column beam-beam connection core, and then connect the SRC beam and the SRC corbel column into a whole through single-sided self-locking high-strength bolts. Similarly, assemble the other span SRC beams one layer at a time; Step 9) The column-column node core is hoisted from top to bottom at the construction site, aligned with the top of the first-layer SRC corbel column, and then connected to form a whole with the second-layer column-column node core and the first-layer SRC corbel column through single-sided self-locking high-strength bolts. Similarly, the column-column node cores on other axes of the second floor are assembled in sequence; Step 10) Repeat steps 8 and 9 at the construction site to complete the assembly process of one or more assembled SRC beam-SRC corbel column frame structures.

[0015] Compared with the prior art, the present invention has outstanding substantial features and significant progress. Specifically, the present invention decomposes the beam-column structure into a modular structure mainly composed of SRC corbel columns, SRC beams, and column-column node cores. Each component is standardizedly designed and industrially produced in the factory, and then transported to the site for assembly and connection, ultimately forming an assembled SRC beam-SRC corbel column frame structure, which greatly improves the construction efficiency.

[0016] In addition, in this structural system, SRC beams and SRC corbels combine the high strength of steel and concrete materials and the high ductility and high lateral stiffness of SRC components. Through the decomposition method of this solution, the weak links in the frame structure are designed within the structure of the SRC beams or SRC corbels. These weak links are prefabricated in the factory, and the parts for on-site connection and combination are selected in relatively weak stress areas, thereby ensuring the bearing capacity, lateral stiffness and durability of the entire frame structure.

[0017] In terms of assembly efficiency design, this solution adopts top-down socket assembly, beam shoe hanging lap assembly and other assembly methods, which can fully utilize the convenience of on-site cranes. The assembly rules of all parts are consistent and simplified. Compared with the traditional solution of splicing, alignment and bolting, it reduces the workload of on-site staff and improves assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an axonometric schematic diagram of the assembled SRC beam-SRC corbel column frame structure of the present invention; Figure 2 It is a front view schematic diagram of the assembled SRC beam-SRC corbel column frame structure of the present invention; Figure 3 It is a left (right) schematic diagram of the assembled SRC beam-SRC corbel column frame structure of the present invention; Figure 4 It is a top view schematic diagram of the assembled SRC beam-SRC corbel column frame structure of the present invention; Figure 5 It is an axonometric schematic diagram of the SRC corbel column of the present invention; Figure 6It is a front view schematic diagram of the SRC corbel column of the present invention; Figure 7 It is a left (right) schematic diagram of the SRC corbel column of the present invention; Figure 8 It is a top view schematic diagram of the SRC corbel column of the present invention; Fig. 9 is an axonometric schematic diagram of the SRC beam of the present invention; Fig.10 It is an axonometric schematic diagram of the SRC corbel column steel frame of the present invention; Fig.11 It is an axonometric diagram of the SRC beam H-shaped steel of the present invention; Fig.12 It is an axonometric diagram of the column-column node core of the present invention; Fig.13 A schematic top view of the column-column node core of the present invention; Fig.14 is an axonometric schematic diagram of the beam-beam connection core of the present invention; Fig.15 It is a right side schematic diagram of the beam-beam connection core of the present invention; Fig.16 is an axonometric schematic diagram of the beam shoe of the present invention; Fig.17 It is a left schematic view of the beam shoe described in the present invention.

[0019] In the figure: 1 SRC corbel column, 2 SRC beam, 3 column-column node core, 4 single-side self-locking high-strength bolt, 5 ordinary high-strength bolt; 101 SRC corbel column steel frame, 102 column concrete, 103 beam-beam connection core; 10101 cross steel of column, 10102 bolt hole of cross steel, 10103 H-steel of corbel beam, 10104 bolt hole of H-steel of corbel beam, 10201 reserved hole for concrete bolt of column, 10202 grouting hole, 10203 grouting hole, 10204 concrete of corbel beam, 10301 core end of beam-beam connection, 10302 core web of beam-beam connection, 10303 core flange of beam-beam connection, 10304 core end plate of beam-beam connection, 10305 threaded hole of core end of beam-beam connection, 10306 bolt hole of core web of beam-beam connection; 201 beam H-beam, 202 beam concrete, 203 beam boot; 20101 beam H-beam bolt hole, 20301 beam shoe end, 20302 beam shoe web, 20303 beam shoe flange, 20304 beam shoe end plate, 20305 beam shoe end bolt hole, 20306 beam shoe web bolt hole; 301 node core plate, 302 L-type end plate, 30201 L-type end plate threaded holes. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described in detail below through specific implementation methods.

[0021] like Figure 1-Figure 17 As shown, a modular assembled SRC beam-SRC corbel column frame structure includes a plurality of SRC corbel columns 1, a plurality of SRC beams 2, a plurality of column-column node cores 3, a plurality of single-sided self-locking high-strength bolts 4 and a plurality of ordinary high-strength bolts 5.

[0022] The SRC corbel column 1 comprises a corbel column steel frame 101 and a column concrete 102; the corbel column steel frame 101 comprises a column cross steel 10101 and a corbel beam H-shaped steel 10103, and the corbel beam H-shaped steel 10103 is welded and fixed to at least one side of the middle part of the column cross steel 10101. In this embodiment, Figure 1 As shown, the corbel beam H-shaped steel 10103 is welded and fixed to both sides of the middle of the column cross-shaped steel 10101, and the whole is in a cross shape. The SRC corbel column 1 can be used as a column in the wall.

[0023] Specifically, the inner end of the corbel beam H-shaped steel 10103 is welded to the flange plate in the middle of the column cross-shaped steel. The number of the corbel beam H-shaped steel 10103 in a single SRC corbel column 1 is one, two, three or four. In other embodiments, different numbers can be set according to different positions, such as at a corner, the number is two and they are perpendicular to each other, the number inside the wall is two and they are in the same plane, the number is set to four at the center of the cross, and the number is set to one at the outer end of a single-sided wall.

[0024] With this design, most of the weak points (cross connection points) of the frame structure are located inside the SRC corbel column structure, which can better cope with frame deformation, and the bearing capacity, lateral stiffness and durability of the entire frame structure are guaranteed.

[0025] The column concrete 102 is wrapped on the surface of the corbel column steel frame 101, the upper and lower ends of the column cross steel 10101 are provided with bolt holes, and the upper and lower ends of the column concrete 102 are correspondingly provided with bolt holes, which are respectively referred to as the cross steel bolt hole 10102 and the column concrete bolt reserved hole 10201 in this embodiment, and the outer end of the corbel beam H-shaped steel 10103 is provided with a beam-beam connection core 103; Specifically, in this embodiment, the column cross-shaped steel 10101 includes a core web with a cross-shaped cross-section and four flange plates formed at the outer ends of the cross-shaped core web, and two adjacent flange plates are perpendicular to each other and do not contact each other. The cross-shaped steel bolt holes 10102 at both ends of the column cross-shaped steel are opened on the flange plates.

[0026] The lower part of the column concrete 102 is provided with a grouting hole 10202 and a grouting hole 10203 which are connected to the inside and the outside.

[0027] The outer end of the corbel H-shaped steel 10103 is exposed on the web of the corbel concrete 10204, and a plurality of corbel H-shaped steel bolt holes 10104 are arranged. The beam-beam connection core 103 includes a beam-beam connection core end head 10301, a beam-beam connection core web 10302, a beam-beam connection core flange 10303 and a beam-beam connection core end plate 10304. The beam-beam connection core end head 10301 is rectangular and has beam-beam connection core end head threaded holes 10305 arranged on both sides. The rear end of the beam-beam connection core end head 10301 is fixed to the front end face of the beam-beam connection core end plate 10304, and the middle part of the rear end face of the beam-beam connection core end plate 10304 is fixed. Two of the beam-beam connection core webs 10302 are fixed, and a gap for clamping the web of the corbel beam H-shaped steel is formed between the beam-beam connection core webs 10302, and a through beam-beam connection core web bolt hole 10306 is arranged on the beam-beam connection core web 10302; the upper and lower parts of the rear end surface of the beam-beam connection core end plate 10304 are respectively fixed with the beam-beam connection core flange 10303, and a gap for clamping the web of the corbel beam H-shaped steel is provided at the center position of the beam-beam connection core flange 10303, and the outer boundary distance between the upper and lower beam-beam connection core flanges 10303 is equal to the inner spacing of the flange plate of the corbel beam H-shaped steel 10103.

[0028] The SRC beam 2 includes a beam H-shaped steel 201, a beam concrete 202 and a beam shoe 203, wherein the beam concrete 202 is wrapped around the surface of the beam H-shaped steel 201, bolt holes are arranged on the webs at both ends of the beam H-shaped steel 201, and the rear ends of the beam shoes 203 are connected by high-strength bolts, and the front ends of the beam shoes 203 are arranged with hanging openings and bolt holes matching the beam-beam connection core, and the ends of the SRC beam 2 are hung and positioned with the beam-beam connection core 103 of the SRC corbel column 1 through the beam shoes 203 and connected and fixed by unilateral self-locking high-strength bolts 4; Specifically, in this embodiment, the webs at both ends of the H-shaped steel 201 of the SRC beam 2 are provided with a plurality of H-shaped steel bolt holes 20101, the beam shoe 203 includes a beam shoe end 20301, a beam shoe web 20302, a beam shoe flange 20303 and a beam shoe end plate 20304, the beam shoe end 20301 is a gate-shaped structure matching the beam-beam connection core end 10301, a plurality of beam shoe end bolt holes 20305 are provided on both sides of the beam shoe end 20301, the rear end of the beam shoe end 20301 is fixed to the front end surface of the beam shoe end plate 20304, and the beam Two beam shoe webs 20302 are installed at the center of the rear end face of the shoe end plate 20304, and a gap for clamping the web of the beam H-shaped steel 201 is arranged between the two beam shoe webs 20302. A plurality of through beam shoe web bolt holes 20306 are provided on the surfaces of the two beam shoe webs 20302; the beam shoe flanges 20303 are respectively arranged on the upper and lower parts of the rear end face of the beam shoe end plate 20304, and a gap for clamping the web of the beam H-shaped steel is provided in the middle part of the beam shoe flange 20303, and the outer boundary distance between the upper and lower beam shoe flanges 20303 is equal to the inner spacing of the beam H-shaped steel flange plates.

[0029] The column-column node core 3 includes a node core plate 301 and two groups of L-shaped end plates 302 installed on the two end surfaces of the node core plate, each group of L-shaped end plates are spliced ​​together to form a columnar joint, and L-shaped end plate threaded holes 30201 are arranged on the side of the L-shaped end plate; specifically, in this embodiment, the node core plate 301 of the column-column node core 3 is rectangular as a whole, and the number of a group of L-shaped end plates 302 is four, and the four L-shaped end plates 302 are surrounded to form a rectangular opening, and a joint is left between two adjacent L-shaped end plates 302, which is used for socket connection with the web of the column cross steel in the corbel column steel frame, and the threaded holes on the surface of the L-shaped end plate are used to match the bolt holes on the flange plate of the column cross steel.

[0030] The cross-shaped steel ends of two vertically adjacent SRC corbel columns 1 are connected and fixed through the column-column node core 3 and the single-sided self-locking high-strength bolt 4, and the corbel beam H-shaped steels of two horizontally adjacent SRC corbel columns 1 are connected and fixed together through the SRC beam 2 to form a frame structure.

[0031] The above-mentioned beam-beam connection structure and column-column connection structure both adhere to the concept of top-down assembly. They can use equipment such as cranes on site to realize top-down node assembly and connection. The nodes are spliced ​​by vertical plug-in, hanging, etc., and then connected by unilateral self-locking high-strength bolts. The installation of the nodes is convenient, and the operation is simpler than that of traditional prefabricated structures, which require horizontal splicing and positioning at the nodes.

[0032] The assembly method of the modular assembled SRC beam-SRC corbel column frame structure is based on the modular assembled SRC beam-SRC corbel column frame structure and is assembled through the following steps: Step 1, the factory manufactures the beam-beam connection core end 10301, the beam-beam connection core web 10302, the beam-beam connection core flange 10303, and the beam-beam connection core end plate 10304, welds the beam-beam connection core end 10301 to one side of the beam-beam connection core end plate 10304, welds the beam-beam connection core web 10302 and the beam-beam connection core flange 10303 to the other side of the beam-beam connection core end plate 10304, and respectively opens the beam-beam connection core end threaded hole 10305 at the corresponding position of the beam-beam connection core end 10301, and opens the beam-beam connection core web bolt hole 10306 at the corresponding position of the beam-beam connection core web 10302, and thus the component beam-beam connection core 103 is completed; Step 2, the factory manufactures the SRC corbel column steel frame 101, ties the steel bars, makes the formwork, pours the column concrete 102 and the corbel beam concrete 10204 in sequence, and reserves the column concrete bolt reserved holes 10201, the grouting holes 10202 and the grouting holes 10203 respectively; after the concrete curing is completed, the beam-beam connection core web bolt holes 10306 are aligned with the corbel beam H-shaped steel bolt holes 10104, and the beam-beam connection core 103 and the corbel beam H-shaped steel 10103 in the SRC corbel column steel frame 101 are connected as a whole by ordinary high-strength bolts 5, and the beam-beam connection core flange 10303 is connected to the flange of the corbel beam H-shaped steel 10103 by welding, so as to complete the manufacture of the component SRC corbel column 1; similarly, the corbel columns at different positions in the frame are completed in sequence, such as: side SRC corbel columns, middle SRC corbel columns and corner SRC corbel columns, etc.; Step 3, the factory manufactures the beam shoe end 20301, the beam shoe web 20302, the beam shoe flange 20303, and the beam shoe end plate 20304, welds the beam shoe end 20301 to one side of the beam shoe end plate 20304, welds the beam shoe web 20302 and the beam shoe flange 20303 to the other side of the beam shoe end plate 20304, and sets the beam shoe end bolt hole 20305 and the beam shoe web bolt hole 20306 at the corresponding positions of the beam shoe end 20301 and the beam shoe web 20302, and the component beam shoe 203 is completed; Step 4: The factory manufactures the beam H-shaped steel 201, and opens the beam H-shaped steel bolt hole 20101 at the corresponding position of the beam H-shaped steel 201, and sequentially ties the steel bars, manufactures the formwork, and pours the beam concrete 202; after the concrete curing is completed, the beam H-shaped steel bolt hole 20101 is aligned with the beam shoe web bolt hole 20306, and the beam shoe 203 is connected to the beam H-shaped steel 201 as a whole through ordinary high-strength bolts 5, and the component SRC beam 2 is completed; Step 5: The factory manufactures the node core plate 301 and the L-shaped end plate 302, and opens the L-shaped end plate threaded hole 30201 at the corresponding position of the L-shaped end plate 302, and then welds four L-shaped end plates 302 of the same size to both sides of the node core plate 301 in a group, thus completing the column-column node core 3; Step 6: Pre-embed the column-column node core 3 in the foundation at the construction site; Step 7: hoist, align and put the SRC corbel column 1 and the column-column node core 3 embedded in the foundation at the construction site, and then connect the SRC corbel column 1 and the column-column node core 3 into a whole through a unilateral self-locking high-strength bolt 4, and assemble the other SRC corbel columns 1 across one layer in sequence in the same way; Step 8: hoist the SRC beam 2 from top to bottom at the construction site, align the bolt hole 20305 at the end of the boot of the SRC beam 2 with the threaded hole 10305 at the end of the beam-beam connection core of the SRC corbel column 1, and then connect the SRC beam 2 and the SRC corbel column 1 into a whole through the unilateral self-locking high-strength bolt 4, and assemble the other span SRC beams 2 one layer at a time in the same way; Step 9: The column-column node core 3 is hoisted from top to bottom at the construction site, aligned with the top of the first-layer SRC corbel column 1, and then connected to form a whole with the single-sided self-locking high-strength bolt 4. Similarly, the column-column node cores 3 on other axes of the second floor are assembled in sequence; Step 10: Repeat steps 8 and 9 at the construction site to complete the assembly process of one or more assembled SRC beam-SRC corbel column frame structures.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the present invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention, which should be included in the scope of the technical solution for protection of the present invention.

Claims

1. A modular assembled SRC beam-SRC corbel column frame structure, characterized in that: It includes several SRC corbel columns, several SRC beams, several column-column node cores, several single-side self-locking high-strength bolts and several ordinary high-strength bolts; The SRC corbel column comprises a corbel column steel frame and column concrete; the corbel column steel frame comprises a column cross steel and a corbel beam H-shaped steel, the corbel beam H-shaped steel is welded and fixed to at least one side of the middle of the column cross steel, the column concrete is wrapped on the surface of the corbel column steel frame, the column cross steel and the upper and lower ends of the column concrete are provided with bolt holes with matching positions, the bottom end of the column concrete is reserved with a grouting hole and a grouting hole, the outer end of the corbel beam H-shaped steel is provided with a beam-beam connection core, and the beam-beam connection core is provided with a bolt hole at one end near the corbel beam H-shaped steel and a threaded hole at the other end; The SRC beam includes an H-shaped steel beam, a concrete beam and a beam shoe, wherein the concrete beam is wrapped on the surface of the H-shaped steel beam, and the beam shoe includes a front end and a rear end, wherein the front end of the beam shoe is provided with a hanging opening and a threaded hole matching the beam-beam connection core, and the rear end of the beam shoe is provided with a bolt hole, and both ends of the H-shaped steel beam are connected to the rear end of the beam shoe by ordinary high-strength bolts, and the front end of the beam shoe of the SRC beam is hung and positioned with the front end of the beam-beam connection core of the SRC corbel column and is connected and fixed by a unilateral self-locking high-strength bolt; The column-column node core comprises a node core plate and two groups of L-shaped end plates installed on both end surfaces of the node core plate, one end of the L-shaped end plate is connected to the node core plate by welding and encloses to form a columnar joint, and a threaded hole is arranged on the connection surface of the L-shaped end plate; Two vertically adjacent SRC corbel columns are connected and fixed by a column-column node core and a single-sided self-locking high-strength bolt, and two horizontally adjacent SRC corbel columns are connected and fixed together by an SRC beam and a single-sided self-locking high-strength bolt to form a frame structure as a whole.

2. The modular assembled SRC beam-SRC corbel column frame structure according to claim 1 is characterized in that: The column cross-shaped steel comprises a core web with a cross-shaped cross section and four flange plates formed at the outer ends of the cross-shaped core web. Two adjacent flange plates are perpendicular to each other and do not contact each other. Bolt holes are respectively arranged at both ends of each flange plate of the column cross-shaped steel.

3. The modular assembled SRC beam-SRC corbel column frame structure according to claim 2 is characterized in that: The inner end of the H-shaped corbel is welded to the flange plate in the middle of the column cross-shaped steel. The number of the H-shaped corbel in a single SRC corbel column is one, two, three or four.

4. The modular assembled SRC beam-SRC corbel column frame structure according to claim 3 is characterized in that: A plurality of H-shaped steel bolt holes are arranged on the web of the outer end of the H-shaped steel of the corbel beam, the beam-beam connection core comprises a beam-beam connection core end head, a beam-beam connection core web plate, a beam-beam connection core flange and a beam-beam connection core end plate, the beam-beam connection core end head is rectangular and two side plates are provided with beam-beam connection core end head threaded holes, the rear end of the beam-beam connection core end head is welded to the front end face of the beam-beam connection core end plate, two beam-beam connection core web plates are welded in the middle of the rear end face of the beam-beam connection core end plate, and the beam-beam connection core web plate is welded to the A gap is formed between the plates for clamping the web of the H-shaped steel of the corbel beam, and a through bolt hole is arranged on the web of the beam-beam connection core; the upper and lower parts of the rear end surface of the beam-beam connection core end plate are respectively welded with the beam-beam connection core flange, and a gap is opened at the center position of the beam-beam connection core flange for clamping the web of the H-shaped steel of the corbel beam, wherein the width of each upper and lower beam-beam connection core flange is equal to the width of the flange plates on both sides of the web of the H-shaped steel of the corbel beam, and the beam-beam connection core flange is connected to the flange of the H-shaped steel of the corbel beam by welding.

5. The modular assembled SRC beam-SRC corbel column frame structure according to claim 4 is characterized in that: The webs at both ends of the H-shaped steel of the SRC beam are provided with a plurality of bolt holes, the beam shoe comprises a beam shoe end, a beam shoe web, a beam shoe flange and a beam shoe end plate, wherein the beam shoe end is referred to as the front end of the beam shoe, the beam shoe web and the beam shoe flange are referred to as the rear end of the beam shoe, the beam shoe end is in a gate-shaped structure matching the end of the beam-beam connection core, a plurality of threaded holes are provided on both sides of the beam shoe end, the rear end of the beam shoe end is welded to the front end face of the beam shoe end plate, two beam shoe webs are welded at the center of the rear end face of the beam shoe end plate, a gap for clamping the web of the H-shaped steel of the beam is provided between the two beam shoe webs, and a through bolt hole is provided on the beam shoe web; the upper and lower parts of the rear end face of the beam shoe end plate are respectively provided with the beam shoe flanges, the middle part of the beam shoe flange is provided with a gap for clamping the web of the H-shaped steel of the beam, and the width of the upper and lower beam shoe flanges is equal to the width of the flange plates on both sides of the web of the H-shaped steel of the beam.

6. The modular assembled SRC beam-SRC corbel column frame structure according to claim 5 is characterized in that: The node core plate of the column-column node core is rectangular as a whole, and a group of L-shaped end plates has four in number. The four L-shaped end plates are combined to form a rectangular opening, and a joint is left between two adjacent L-shaped end plates for socket connection with the web of the column cross steel in the corbel column steel frame. The threaded holes on the surface of the L-shaped end plates are used to match the bolt holes on the flange plates of the column cross steel.

7. A method for assembling a modular assembled SRC beam-SRC corbel column frame structure, characterized in that: The modular assembled SRC beam-SRC corbel column frame structure according to any one of claims 1 to 6 is assembled by the following steps: Step 1) The factory manufactures the beam-beam connection core end, beam-beam connection core web, beam-beam connection core flange and beam-beam connection core end plate, welds the beam-beam connection core end, beam-beam connection core end plate, beam-beam connection core web and beam-beam connection core flange together, and respectively opens beam-beam connection core end thread holes at the corresponding positions of the beam-beam connection core end, and opens beam-beam connection core web bolt holes at the corresponding positions of the beam-beam connection core web, thus completing the component beam-beam connection core; Step 2) The factory makes the SRC corbel column steel frame, ties the steel bars, makes the formwork, pours the column concrete and corbel beam concrete in sequence, and reserves the column concrete bolt reserved holes, grouting holes and grouting holes respectively; after the concrete curing is completed, align the web bolt holes of the beam-beam connection core with the corbel beam H-shaped steel bolt holes, connect the beam-beam connection core with the corbel beam H-shaped steel in the SRC corbel column steel frame as a whole through ordinary high-strength bolts, and connect the flange of the beam-beam connection core with the flange of the corbel beam H-shaped steel by welding, thus completing the production of the component SRC corbel column; similarly, complete the corbel columns at different positions in the frame in sequence; Step 3) The factory manufactures the beam shoe end, beam shoe web, beam shoe flange and beam shoe end plate, welds the beam shoe end, beam shoe end plate, beam shoe web and beam shoe flange together, and sets the beam shoe end bolt holes and beam shoe web bolt holes at the corresponding positions of the beam shoe end and beam shoe web, thus completing the component beam shoe; Step 4) The factory makes H-beam steel and opens bolt holes at the corresponding positions of H-beam steel. Then, the steel bars are tied, the formwork is made, and the beam concrete is poured. After the concrete curing is completed, the bolt holes of H-beam steel are aligned with the bolt holes of the web of the beam shoe. The beam shoe and the H-beam steel are connected as a whole through ordinary high-strength bolts. Thus, the component SRC beam is completed. Step 5) The factory manufactures the node core plate and L-shaped end plate, and opens L-shaped end plate threaded holes at the corresponding positions of the L-shaped end plates. Then, four L-shaped end plates of the same size are welded in groups to both sides of the node core plate, thus completing the column-column node core. Step 6) Pre-embed the column-column node core in the foundation at the construction site; Step 7) At the construction site, the SRC corbel column and the pre-buried column-column node core in the foundation are hoisted, aligned, and put in place, and then the SRC corbel column and the column-column node core are connected as a whole through a single-sided self-locking high-strength bolt. Similarly, the other SRC corbel columns spanning one layer are assembled in sequence; Step 8) Lift the SRC beam from top to bottom at the construction site, align the bolt hole at the end of the SRC beam boot with the threaded hole at the end of the SRC corbel column beam-beam connection core, and then connect the SRC beam and the SRC corbel column into a whole through single-sided self-locking high-strength bolts. Similarly, assemble the other span SRC beams one layer at a time; Step 9) The column-column node core is hoisted from top to bottom at the construction site, aligned with the top of the first-layer SRC corbel column, and then connected to form a whole with the second-layer column-column node core and the first-layer SRC corbel column through single-sided self-locking high-strength bolts. Similarly, the column-column node cores on other axes of the second floor are assembled in sequence; Step 10) Repeat steps 8 and 9 at the construction site to complete the assembly process of one or more assembled SRC beam-SRC corbel column frame structures.

Images