Inhaul cable conversion assembly type large-span concrete structure

Abstract

The utility model relates to an inhaul cable conversion assembly type large-span concrete structure which comprises a frame supporting layer, a conversion layer and an upper substructure, and the frame supporting layer comprises rib type frame supporting columns and suspension type frame supporting beams. The transfer layer comprises a transfer layer frame, an inhaul cable and a positioning column; the inhaul cable is positioned in a steel shaft of the suspension type frame supporting beam, the suspension type frame supporting beam and the inhaul cable jointly bear the load of the upper structure, the inhaul cable transmits force to the conversion layer and the rib type frame supporting column, the stress of the suspension type frame supporting beam is obviously reduced, and the large-span performance of the bottom space of the assembly type structure can be achieved. The frame supporting layer and the conversion layer are connected through bolts of internal steel ribs, so that reliable transmission of force flow can be effectively achieved. The upper substructure is effectively fixed in the transfer layer by using bolts in a manner of reserving joint bars so as to ensure upper load transmission; the structure belongs to a full-assembly structure, construction is convenient and fast, and the industrialization degree is high.

Description

Technical Field

[0001] The invention relates to the technical field of assembled structures, and in particular to a cable-converted assembled large-span concrete structure. Background Art

[0002] At present, with the vigorous development of prefabricated buildings, prefabricated residential buildings mainly based on ordinary high-rise shear wall structures have been comprehensively and rapidly applied, and relevant specifications and standards have also been effectively popularized. However, the current prefabricated structure mainly solves the design and construction problems of standard shear wall structures, that is, vertical through-ground shear walls. For complex shear wall structure systems with frame-supported transfer layer structures, there is no particularly effective method and its prefabricated construction scheme to be widely used, which is still a key technical problem that needs to be developed and solved. Therefore, designing a cable-converted prefabricated large-span concrete structure that can transmit vertical loads and ensure the reliability of force transmission has become a technical problem that needs to be solved urgently. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a cable-converted assembled large-span concrete structure.

[0004] The technical solution of the utility model is a cable-converted assembled large-span concrete structure, comprising a frame supporting layer, a conversion layer and an upper substructure, the frame supporting layer comprising a suspended frame supporting beam, the conversion layer comprising a conversion layer frame and positioning columns; the conversion layer frame comprising force transfer columns on both sides and a force transfer beam on the top; the positioning columns are provided with vertical longitudinal reinforcements, the force transfer beams and the suspended frame supporting beams are provided with longitudinal reinforcement positioning holes, the upper and lower ends of the longitudinal reinforcements are correspondingly inserted into the longitudinal reinforcement positioning holes of the force transfer beams and the suspended frame supporting beams and are bolted; the top end of the upper substructure connected to the longitudinal reinforcement is fixed on the force transfer beam; the suspended frame supporting beam is provided with a cable obliquely connected to the top of the force transfer column.

[0005] As a further improvement of the present invention, a fishbone steel frame is provided inside the suspended frame support beam, and the fishbone steel frame includes an I-shaped steel, a steel shaft and transverse steel bars; the cable is passed downward around the steel shaft for fitting and fixing.

[0006] As a further improvement of the utility model, a force transmission steel frame is provided inside the force transmission column, and the top of the force transmission steel frame is provided with ear plates extending to both sides and a connecting plate extending upward, and the ear plates correspond to the two ends of the connecting cable.

[0007] As a further improvement of the present invention, the frame support layer also includes rib-type frame columns connected to both ends of the suspended frame support beam, the rib-type frame columns include an internal steel frame and an external reinforced concrete column, the top of the internal steel frame is provided with a fixing plate extending upward from the reinforced concrete column, and the side is provided with a rib-type corbel supporting the suspended frame support beam; the fixing plate extends into the force-transmitting column and is provided with connecting bolts connected to the force-transmitting steel frame; the rib-type corbel is connected to a base, and the base and the suspended frame support beam are both provided with fixing holes, and the base is also provided with fixing bolts for screwing into the fixing holes.

[0008] As a further improvement of the present invention, the outer sides of the fishbone steel frame and the force-transmitting steel frame are both covered with reinforced concrete.

[0009] As a further improvement of the utility model, the suspended frame support beam is provided with a cable hole for the cable to pass through, and the outer side of the cable is provided with a protective cover, and the position of the protective cover corresponds to the cable hole.

[0010] After adopting the above structure, the cable suspends the suspended frame support beam and its upper structure through the steel shaft in the steel frame inside the suspended frame support beam, and transfers these loads to the frame columns on both sides, which greatly reduces the bending moment and shear force borne by the suspended frame support beam; the cable passes through the suspended frame support beam, dividing it into two parts for bearing weight, increasing the supporting force of the node, reducing the force span of the suspended frame support beam, and reducing the bottom-level columns, effectively increasing the large space of the bottom level; utilizing the fully assembled connection in which various steel frames are pre-embedded in concrete components to ensure the effectiveness and reliability of the steel frame force transmission, the cable suspension position is embedded in the concrete, forming a whole with the suspended frame support beam to work together to bear the external load, so that all components can be prefabricated in the factory and then assembled on site, making construction convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 Shown is a schematic diagram of the structure of the utility model.

[0012] Figure 2 Shown is a schematic diagram of the rib frame support structure.

[0013] Figure 3 Shown is a schematic diagram of a suspended frame beam structure.

[0014] Figure 4 Shown is a schematic diagram of the conversion layer framework structure.

[0015] Figure 5 Shown is a schematic diagram of the connection structure between the frame support layer and the conversion layer.

[0016] Figure 6 Shown is a schematic diagram of the positioning column and the upper substructure.

[0017] Figure 7 Shown is a schematic diagram of the connection structure between the frame support layer and the conversion layer skeleton.

[0018] Figure 8 Shown is a schematic diagram of a fishbone steel frame structure.

[0019] Fig. 9 Shown is a schematic diagram of the steel shaft structure.

[0020] 1- ribbed frame support, 2- suspended frame support beam, 201- cable hole, 202- longitudinal reinforcement positioning hole, 3- transfer layer frame, 301- force transfer column, 302- force transfer beam, 4- cable, 5- positioning column, 6- upper substructure, 7- inner steel skeleton, 701- ribbed corbel, 702- fixing plate, 8- fishbone steel frame, 801- steel shaft, 802- transverse reinforcement, 9- force transfer steel frame, 901- connecting plate, 902- ear plate, 10- longitudinal reinforcement, 11- connecting bolt, 12- fixing bolt, 13- fixing hole. DETAILED DESCRIPTION

[0021] like Figure 1-Figure 9 A cable-converted assembled large-span concrete structure is shown, comprising a frame support layer, a conversion layer and an upper substructure 6, wherein the frame support layer comprises a suspended frame support beam 2, and the conversion layer comprises a conversion layer frame 3 and positioning columns 5; the conversion layer frame 3 comprises force transfer columns 301 on both sides and a force transfer beam 302 on the top; the positioning columns 5 are provided with vertical longitudinal reinforcements 10, and both the force transfer beam 302 and the suspended frame support beam 2 are provided with longitudinal reinforcement positioning holes 202, and the upper and lower ends of the longitudinal reinforcement 10 are correspondingly inserted into the longitudinal reinforcement positioning holes 202 of the force transfer beam 302 and the suspended frame support beam 2 and are bolted; the upper substructure 6 is connected to the top of the longitudinal reinforcement 10 and is fixed on the force transfer beam 302; the suspended frame support beam 2 is provided with a cable 4 obliquely connected to the top of the force transfer column 301.

[0022] The interior of the suspended frame beam 2 is provided with a fishbone steel frame 8, and the fishbone steel frame 8 includes an I-shaped steel, a steel shaft 801 and a transverse steel bar 802; the cable 4 is passed downward around the steel shaft 801 for cooperation and fixation.

[0023] A force transmission steel frame 9 is provided inside the force transmission column, and a lug plate 902 extending to both sides and a connecting plate 901 extending upward are provided on the top of the force transmission steel frame 9, and the lug plate 902 corresponds to the two ends of the connecting cable 4.

[0024] The frame support layer also includes a rib-type frame support column 1 connected to both ends of the suspended frame support beam 2, and the rib-type frame support column 1 includes an internal steel frame 7 and an external reinforced concrete column. The top of the internal steel frame 7 is provided with a fixing plate 702 extending upward from the reinforced concrete column, and the side is provided with a rib-type corbel 701 supporting the suspended frame support beam 2; the fixing plate 702 extends into the force transmission column 301 and is provided with a connecting bolt 11 connected to the force transmission steel frame 9; the rib-type corbel 701 is connected to a base, and the base and the suspended frame support beam 2 are both provided with fixing holes 13, and the base is also provided with a fixing bolt 12 for screwing into the fixing hole 13.

[0025] The outer sides of the fishbone steel frame 8 and the force-transmitting steel frame 9 are both covered with reinforced concrete.

[0026] The suspended frame support beam 2 is provided with a cable hole 201 for the cable 4 to pass through, and the outer side of the cable 4 is provided with a protective cover, and the position of the protective cover corresponds to the cable hole 201.

[0027] The cable 4 suspends the suspended frame support beam 2 and its upper structure through the steel shaft 801 in the internal steel frame of the suspended frame support beam 2, and transfers the loads it bears to the frame columns on both sides, greatly reducing the bending moment and shear force borne by the suspended frame support beam 2; the cable 4 passes through the suspended frame support beam 2, dividing it into two parts for bearing weight, increasing the supporting force of the node, reducing the force span of the suspended frame support beam 2, and reducing the bottom-level columns, effectively increasing the large space of the bottom level; utilizing the fully assembled connection in which various types of steel frames are pre-embedded in concrete components to ensure the effectiveness and reliability of the steel frame force transmission, the cable 4 is embedded in the concrete at the suspension position, forming a whole with the suspended frame support beam 2 to work together to bear the external load, so that all components can be prefabricated in the factory and then assembled on site, making construction convenient.

Claims

1. A cable-converted assembled large-span concrete structure, characterized in that: The invention comprises a frame support layer, a transfer layer and an upper substructure (6), wherein the frame support layer comprises a suspended frame support beam (2), and the transfer layer comprises a transfer layer frame (3) and a positioning column (5); the transfer layer frame (3) comprises force transmission columns (301) on both sides and a force transmission beam (302) on the top; the positioning column (5) is provided with vertical longitudinal reinforcement (10), and the force transmission beam (302) and the suspended frame support beam (2) are both provided with longitudinal reinforcement positioning holes (202), and the upper and lower ends of the longitudinal reinforcement (10) are correspondingly inserted into the longitudinal reinforcement positioning holes (202) of the force transmission beam (302) and the suspended frame support beam (2) and fixed by bolts; the upper substructure (6) is connected to the top of the longitudinal reinforcement (10) and fixed on the force transmission beam (302); the suspended frame support beam (2) is provided with a cable (4) obliquely connected to the top of the force transmission column (301) upward.

2. According to claim 1, a cable-converted assembled large-span concrete structure is characterized by: The interior of the suspended frame support beam (2) is provided with a fishbone steel frame (8), and the fishbone steel frame (8) includes an I-shaped steel, a steel shaft (801) and a transverse steel bar (802); the cable (4) is passed downward around the steel shaft (801) for matching and fixing.

3. According to claim 2, a cable-converted assembled large-span concrete structure is characterized by: A force transmission steel frame (9) is provided inside the force transmission column, and a lug plate (902) extending toward both sides and a connecting plate (901) extending upward are provided on the top of the force transmission steel frame (9), and the lug plate (902) is connected to the two ends of the cable (4) accordingly.

4. According to claim 3, a cable-converted assembled large-span concrete structure is characterized by: The frame support layer also includes rib frame columns (1) connected to both ends of the suspended frame support beam (2), the rib frame columns (1) including an internal steel frame (7) and an external reinforced concrete column, the top of the internal steel frame (7) is provided with a fixing plate (702) extending upward from the reinforced concrete column, and the side is provided with a rib bracket (701) supporting the suspended frame support beam (2); the fixing plate (702) extends into the force transmission column (301) and is provided with a connecting bolt (11) connected to the force transmission steel frame (9); the rib bracket (701) is connected to a base, the base and the suspended frame support beam (2) are both provided with fixing holes (13), and the base is also provided with fixing bolts (12) for screwing into the fixing holes (13).

5. According to claim 3, a cable-converted assembled large-span concrete structure is characterized by: The outer sides of the fishbone steel frame (8) and the force-transmitting steel frame (9) are both covered with reinforced concrete.

6. The cable-converted assembled large-span concrete structure according to claim 5, characterized in that: The suspended frame support beam (2) is provided with a cable hole (201) for the cable (4) to pass through, and the outer side of the cable (4) is provided with a protective cover, the position of the protective cover corresponds to the cable hole (201).

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