CN215717661U - Elevation-adjustable node reinforcing structure based on multi-limb hoop - Google Patents
Elevation-adjustable node reinforcing structure based on multi-limb hoop Download PDFInfo
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- CN215717661U CN215717661U CN202121700327.1U CN202121700327U CN215717661U CN 215717661 U CN215717661 U CN 215717661U CN 202121700327 U CN202121700327 U CN 202121700327U CN 215717661 U CN215717661 U CN 215717661U
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Abstract
The utility model discloses a multi-limb hoop-based elevation-adjustable node reinforcing structure, which comprises a reinforced concrete column, connecting steel bars, skeleton steel bars, and multi-limb hoops, wherein one end of each connecting steel bar is embedded in the reinforced concrete column, the other end of each connecting steel bar extends out of the reinforced concrete column, the skeleton steel bars are arranged on the reinforced concrete column and are adjacent to the connecting steel bars, the multi-limb hoops are wound on the connecting steel bars, a plurality of labeling marks are arranged on the skeleton steel bars at equal intervals, more than one multi-limb hoops are arranged, the labeling marks correspond to the connecting steel bars and the skeleton steel bars and are distributed at equal intervals, and longitudinal steel bars are inserted between the multi-limb hoops; the elevation-adjustable node reinforcing structure based on the multi-limb hoop can be quickly and accurately constructed, meets the standardized process, implements advanced concepts such as green environmental protection and resource saving, and contributes to improving the construction quality and the installation efficiency.
Description
Technical Field
The utility model relates to a multi-limb hoop-based elevation-adjustable joint reinforcing structure.
Background
The assembled integral frame structure is prefabricated by adopting vertical bearing components, the node areas of the prefabricated vertical bearing components and the cast-in-place horizontal bearing components are provided with stirrups according to the stirrup encryption areas of the vertical bearing components, longitudinal steel bars penetrating through the cast-in-place horizontal bearing components are inserted, and finally concrete higher than the prefabricated vertical bearing components by one grade is poured and tamped to form the whole structure. However, the construction method has many disadvantages, and the specific analysis is as follows:
1) the vertical bearing members are prefabricated, the transverse bearing members are cast in place, longitudinal steel bars of prefabricated beam-column nodes are dense, the installation precision cannot be guaranteed by the hooping in the dense area, and the strength and the quality of the beam-column nodes are seriously influenced;
2) the stirrup frame body formed by welding the peripheral stirrups extrudes an insertion space for inserting the longitudinal steel bars of the cast-in-place reinforced concrete beam into the beam column nodes, so that the space between double rows or multiple rows of steel bars is difficult to ensure;
3) after the longitudinal steel bars need to penetrate through the cast-in-place reinforced concrete beam, the two middle double-limb hoops are manually fixed on the stirrup frame body, if the longitudinal steel bars are too dense, the situation that the longitudinal steel bars and the rear double-limb hoops are erected easily occurs, and the construction quality of the hoops in the encryption area is difficult to guarantee while the consumed time is long.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the elevation-adjustable node reinforcing structure based on the multi-limb hoop, which can be used for quickly and accurately constructing, meets the requirements of standardized processes, implements advanced concepts of environmental protection, resource saving and the like, and is used for improving the construction quality and the installation efficiency.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a node additional strengthening of adjustable elevation based on many limbs are hooped, including reinforced concrete column, and one end bury in reinforced concrete column, the other end extends to the outer connecting reinforcement of reinforced concrete column, and set up on reinforced concrete column, be close to the skeleton reinforcing bar that sets up in connecting reinforcement, and twine many limbs on connecting reinforcement and hoop, the skeleton reinforcing bar on be equipped with a plurality of subsides of being the equidistance interval setting and paste the mark, many limbs hoop is equipped with more than one, and pastes the mark corresponding equidistance interval distribution that is on connecting reinforcement and skeleton reinforcing bar with each, each it has vertical reinforcing bar to insert between the many limbs hoop.
Preferably, the connecting steel bars are more than one and are distributed on the concrete column in a rectangular shape.
Furthermore, in the rectangular structure formed by the connecting reinforcing steel bars, each rectangular corner point is provided with at least three connecting reinforcing steel bars, and the connecting reinforcing steel bars of each rectangular corner point are distributed in a right-angled triangle shape.
Preferably, the multi-limb hoop is formed by combining and binding three large, two small closed hoops on connecting reinforcing steel bars to form a reinforcing cage shape.
Furthermore, the reinforcing cage formed by the multiple hoops is arranged on the connecting reinforcing steel bars in a laminated manner.
Preferably, the framework steel bars are more than one and are distributed on the concrete column in a rectangular shape.
Preferably, the multi-limb hoop is provided with more than one C-shaped fastener, and the C-shaped fasteners are clamped on the multi-limb hoop from the side to form clamping fit.
Furthermore, the multi-limb hoop positioned at the topmost and bottommost parts is fixed with the framework steel bars in a welding matching mode.
Further, the spacing distance between each multi-limb hoop is consistent with the spacing distance between each label.
Preferably, the connecting steel bars of the reinforced concrete column are provided with shear keys and embedded lifting points in the exposure direction, the shear keys are positioned in the rectangular structures formed by the connecting steel bars, and the embedded lifting points are positioned in the shear keys.
The conventional peripheral stirrup frame body and the multi-limb hoops are inspired by research, the elevation-adjustable node reinforcing structure based on the multi-limb hoops has the characteristics of factory production, convenience in installation, clear partition, no need of post-installation of stirrups and the like, the requirements of on-site actual construction conditions and design drawings on prefabricated beam column nodes are fully considered, the conventional peripheral stirrup frame body and the multi-limb hoops are combined properly, and the elevation-adjustable node reinforcing structure based on the multi-limb hoops suitable for the engineering construction application is determined to be researched.
Aiming at improving the quality of the prefabricated beam column joint, according to the requirements of projects on the quality of concrete engineering and the schedule construction period, the construction technology adopts a construction technology of the joint reinforcing structure based on multi-limb hoops and capable of adjusting the elevation, and the technology mainly comprises three parts, namely a multi-limb hoop, a smooth round steel bar forming a stirrup frame body and a clamping piece. The utility model provides a construction quality that node additional strengthening of adjustable elevation based on many limbs hoop is favorable to improving the longitudinal reinforcement of cast-in-place reinforced concrete roof beam and the district's of encrypting stirrup among the precast beam column node, guarantees rigidity stability and anti-seismic performance, and we adopt unnecessary plain steel muscle tails to recycle in the on-the-spot steel bar processing canopy simultaneously, carries out measures such as green construction, environmental protection of implementation completely.
The utility model has the beneficial effects that:
1) preparing enough multi-limb hoops in advance according to the arrangement requirement of beam column node encryption zone intervals, forming a stirrup frame body by four hot-rolled plain circular steel bars in the corner zones of the inner rings of the top and bottom multi-limb hoops, and completely hanging the middle multi-limb hoop below the top multi-limb hoop through an openable buckle. The method comprises the steps that longitudinal steel bars of a cast-in-place reinforced concrete beam penetrate through a stirrup frame from bottom to top, after the longitudinal steel bars of the cast-in-place reinforced concrete beam with a dense area height are arranged, a buckle at the top of a node reinforcing structure with adjustable height based on a multi-limb hoop is opened, the multi-limb hoop is placed to a mark position of the dense area and fixed on the stirrup frame until all the longitudinal steel bars penetrate through beam column nodes, and after a template support and a template are completely erected and checked to be correct, concrete with a strength level higher than that of precast column body concrete is poured at the beam column nodes; 2) the construction method has the characteristics of convenience, easiness in obtaining, simplicity in construction, reliability in stress, reasonable structure and the like, solves the problem that the construction pain points of the double-limb hoops in the column are difficult to apply due to the fact that reinforcing steel bars in beam column joint areas of the prefabricated column and the cast-in-place beam are dense, effectively ensures the construction quality of the prefabricated beam column joints, and improves the construction efficiency on site; 3) the multi-limb hoop is integrally formed, has good quality, small error and convenient processing, is suitable for beam column nodes with higher requirements on structural strength, has high precision of factory production of prefabricated parts, can enter a construction site along with the prefabricated parts, does not need to lay two double support hoops of an inner ring at the intensive beam column nodes manually, and obviously improves the construction quality; 4) after the multi-limb hoops are transported to a construction site, the stirrup frame body can be welded by the plain circular reinforcement excess material of the on-site reinforcement processing shed, and the positions of the stirrup encryption areas are marked by white marking pens or white paint, so that the installation is convenient, the materials are saved, meanwhile, the welding can be carried out at the reinforcement processing shed on the ground, the multi-limb hoops can be transported to the floor construction site in batches by a vertical transportation device, and the construction efficiency is improved; 5) the buckle arranged at the top of the stirrup frame body has low cost, is convenient and easy to obtain, is convenient to install and disassemble, can effectively ensure that all the middle multi-limb hoops are temporarily placed at the top, can ensure the convenience of taking and using the multi-limb hoops, and also vacates construction space for penetrating transverse longitudinal ribs for precast beam column joints, thereby facilitating the construction of teams; 6) in the process that longitudinal steel bars of a cast-in-place reinforced concrete beam penetrate through a prefabricated beam column node from bottom to top, after the longitudinal steel bars of the cast-in-place reinforced concrete beam from four directions and at the same height of a dense area are arranged, a buckle at the top of a stirrup frame body is opened, a multi-limb hoop is placed to the mark position of the dense area and fixed on the stirrup frame body until all the longitudinal steel bars penetrate through the beam column node, the effect of partitioning the cast-in-place reinforced concrete beam longitudinal steel bars is achieved, meanwhile, if one dense area penetrates through double rows of steel bars with larger diameters, the longitudinal steel bars at the upper layer can be bound on the multi-limb hoop through steel wire ropes, the space between the double rows of steel bars is guaranteed, and the cohesive force effect of the steel bars and concrete is improved; 7) according to the assembly type building construction principle of green construction, environmental protection and energy saving, a multi-limb hoop-based elevation-adjustable node reinforcing structure adopts a multi-limb hoop manufactured by a factory, and meanwhile, tailings of a field steel bar processing shed are recycled and reused.
Drawings
FIG. 1 is a top view of a multi-limb hoop based adjustable elevation node reinforcement structure of the present invention;
FIG. 2 is a schematic diagram of a multi-limb hoop locking state of an adjustable elevation node reinforcement structure based on a multi-limb hoop according to the present invention;
fig. 3 is a schematic diagram of a multi-limb hoop unfolding state of the multi-limb hoop-based elevation-adjustable node reinforcing structure according to the present invention.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Example 1
Referring to fig. 1-3, a node reinforcing structure capable of adjusting elevation based on multi-limb hoops comprises a reinforced concrete column 1, a connecting steel bar 2 with one end embedded in the reinforced concrete column 1 and the other end extending out of the reinforced concrete column 1, a framework steel bar 3 arranged on the reinforced concrete column 1 and adjacent to the connecting steel bar 2, and multi-limb hoops 4 wound on the connecting steel bar 2, wherein the framework steel bar 3 is provided with a plurality of labels 5 arranged at equal intervals, the multi-limb hoops 4 are more than one and distributed on the connecting steel bar 2 and the framework steel bar 3 at equal intervals corresponding to the labels 5, longitudinal steel bars 6 are inserted between the multi-limb hoops 4, and in the embodiment, the equal intervals of the labels 5 are hoop space between hoops in a beam column node hoop region.
Refer to and show in fig. 1, connecting reinforcement 2 be equipped with more than one, and be the rectangle form and distribute on the concrete column, the rectangle column structure that connecting reinforcement 2 formed in, each rectangle corner point has three at least connecting reinforcement 2, and the connecting reinforcement 2 of each rectangle corner point is the triangle-shaped of right angle shape and distributes, in this embodiment, adopted twelve connecting reinforcement 2, each corner point sets up three connecting reinforcement 2 and carries out the triangle-shaped of right angle shape and distributes, is convenient for cooperate many limbs hoop 4 to twine.
Referring to fig. 1-2, the multi-limb hoop 4 is formed by combining and binding three large, two small closed hoops on the connecting steel bar 2 to form a steel bar cage shape, the steel bar cage formed by each multi-limb hoop 4 is arranged on the connecting steel bar 2 in a laminated shape, more than one framework steel bar 3 is arranged and distributed on the concrete column in a rectangular shape, and after the multi-limb hoops 4 are bent and bound, the multi-limb hoops are designed at intervals of one layer and one layer at intervals of labels 5, so that the multi-limb hoops are matched with the insertion of the longitudinal steel bars 6.
Referring to fig. 2-3, the multi-limb hoops 4 are provided with C-shaped fasteners 7, the C-shaped fasteners 7 are arranged at more than one, and are clamped on the multi-limb hoops 4 from the side to form clamping matching, the multi-limb hoops 4 positioned at the top and the bottom are fixed with the framework steel bars 3 in a welding matching mode, the spacing distance between the multi-limb hoops 4 is consistent with the spacing distance between the labels 5, the C-shaped fasteners 7 are mainly used for binding the multi-limb hoops 4, the C-shaped fasteners 7 are designed to be detachable, the multi-limb hoops 4 are clamped when bound, and the corresponding multi-limb hoops 4 are detached when longitudinal steel bars 6 are inserted between the multi-limb hoops 4.
Referring to fig. 1, a shear key 8 and an embedded lifting point 9 are arranged in the exposure direction of a connecting steel bar 2 of a reinforced concrete column 1, the shear key 8 is located in a rectangular structure formed by the connecting steel bar 2, and the embedded lifting point 9 is located in the shear key 8.
Example 2
Referring to fig. 1-3, a method for adjustable elevation node reinforcement based on multi-limb hoops includes the following steps:
1) constructing a semi-finished frame structure;
2) prefabricating a connecting steel bar matched with the constructed semi-finished product frame structure based on the constructed semi-finished product frame structure, and embedding the connecting steel bar into the semi-finished product frame structure;
3) welding framework steel bars 3 on the semi-finished frame structure based on the embedded connecting steel bars 2;
4) coating a plurality of labels 5 at equal intervals on the framework steel bar 3;
5) combining and binding three large, two small closed stirrups on each connecting steel bar to form a multi-limb hoop 4, and enabling each multi-limb hoop 4 to be arranged on the connecting steel bar in a laminated manner;
6) c-shaped buckling pieces 7 are clamped into the side surfaces of the multiple limb hoops 4 which are arranged in a stacked mode for bundling;
7) and (3) matching with the C-shaped fastener 7, and inserting longitudinal steel bars 6 between the multi-limb hoops 4 to form a finished frame structure.
In step 1), the construction method of the semi-finished frame structure comprises the following steps: the size of the prefabricated reinforced concrete column, the number and the size of the longitudinal steel bars 6 and the beam height of the cast-in-place reinforced concrete beam are calculated, and the corresponding semi-finished frame structure is produced based on the parameters.
In step 2), the number of the connecting steel bars 2 is more than one, the connecting steel bars are distributed in a rectangular shape on the semi-finished frame structure, and at least three connecting steel bars 2 are arranged at each rectangular corner.
In step 3), the skeleton reinforcing steel bars 3 are more than one and matched with the positions of the connecting reinforcing steel bars 2, and at least one skeleton reinforcing steel bar 3 is matched with the positions of the connecting reinforcing steel bars 2 at the corners of each rectangle.
In the step 4), the number of the labels 5 is N, the number of the longitudinal steel bars 6 is N, and N is N-1.
In the step 4), the interval length of the labels 5 is matched with the diameter length of the longitudinal steel bars 6.
In the step 5), the multi-limb hoop 4 comprises a highest layer, a lowest layer and an intermediate layer, wherein the highest layer is fixed at the top of the connecting steel bar 2, the lowest layer is fixed at the bottom of the connecting steel bar 2, and the intermediate layer is matched with the position of the label 5.
In the step 6), two groups of the C-shaped fasteners 7 are respectively arranged on two sides of the multi-limb hoop 4, and the multi-limb hoops 4 on each layer are bound.
In step 6), the C-shaped fastener 7 is a retractable holding member.
In step 7), when the longitudinal steel bar 6 is not inserted, the multi-limb hoop 4 in the middle layer is constrained at the multi-limb hoop 4 at the highest layer through the C-shaped fastener 7, and when the longitudinal steel bar 6 is inserted, the multi-limb hoop 4 in the middle layer is pulled out through the C-shaped fastener 7 and is matched with the longitudinal steel bar 6 for staggered overlapping.
The utility model has the beneficial effects that:
1) preparing enough multi-limb hoops in advance according to the arrangement requirement of beam column node encryption zone intervals, forming a stirrup frame body by four hot-rolled plain circular steel bars in the corner zones of the inner rings of the top and bottom multi-limb hoops, and completely hanging the middle multi-limb hoop below the top multi-limb hoop through an openable buckle. The method comprises the steps that longitudinal steel bars of a cast-in-place reinforced concrete beam penetrate through a stirrup frame from bottom to top, after the longitudinal steel bars of the cast-in-place reinforced concrete beam with a dense area height are arranged, a buckle at the top of a node reinforcing structure with adjustable height based on a multi-limb hoop is opened, the multi-limb hoop is placed to a mark position of the dense area and fixed on the stirrup frame until all the longitudinal steel bars penetrate through beam column nodes, and after a template support and a template are completely erected and checked to be correct, concrete with a strength level higher than that of precast column body concrete is poured at the beam column nodes; 2) the construction method has the characteristics of convenience, easiness in obtaining, simplicity in construction, reliability in stress, reasonable structure and the like, solves the problem that the construction pain points of the double-limb hoops in the column are difficult to apply due to the fact that reinforcing steel bars in beam column joint areas of the prefabricated column and the cast-in-place beam are dense, effectively ensures the construction quality of the prefabricated beam column joints, and improves the construction efficiency on site; 3) the multi-limb hoop is integrally formed, has good quality, small error and convenient processing, is suitable for beam column nodes with higher requirements on structural strength, has high precision of factory production of prefabricated parts, can enter a construction site along with the prefabricated parts, does not need to lay two double support hoops of an inner ring at the intensive beam column nodes manually, and obviously improves the construction quality; 4) after the multi-limb hoops are transported to a construction site, the stirrup frame body can be welded by the plain circular reinforcement excess material of the on-site reinforcement processing shed, and the positions of the stirrup encryption areas are marked by white marking pens or white paint, so that the installation is convenient, the materials are saved, meanwhile, the welding can be carried out at the reinforcement processing shed on the ground, the multi-limb hoops can be transported to the floor construction site in batches by a vertical transportation device, and the construction efficiency is improved; 5) the buckle arranged at the top of the stirrup frame body has low cost, is convenient and easy to obtain, is convenient to install and disassemble, can effectively ensure that all the middle multi-limb hoops are temporarily placed at the top, can ensure the convenience of taking and using the multi-limb hoops, and also vacates construction space for penetrating transverse longitudinal ribs for precast beam column joints, thereby facilitating the construction of teams;
6) in the process that longitudinal steel bars of a cast-in-place reinforced concrete beam penetrate through a prefabricated beam column node from bottom to top, after the longitudinal steel bars of the cast-in-place reinforced concrete beam from four directions and at the same height of a dense area are arranged, a buckle at the top of a stirrup frame body is opened, a multi-limb hoop is placed to the mark position of the dense area and fixed on the stirrup frame body until all the longitudinal steel bars penetrate through the beam column node, the effect of partitioning the cast-in-place reinforced concrete beam longitudinal steel bars is achieved, meanwhile, if one dense area penetrates through double rows of steel bars with larger diameters, the longitudinal steel bars at the upper layer can be bound on the multi-limb hoop through steel wire ropes, the space between the double rows of steel bars is guaranteed, and the cohesive force effect of the steel bars and concrete is improved; 7) according to the assembly type building construction principle of green construction, environmental protection and energy saving, a multi-limb hoop-based elevation-adjustable node reinforcing structure adopts a multi-limb hoop manufactured by a factory, and meanwhile, tailings of a field steel bar processing shed are recycled and reused.
The above-described embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and various other modifications, substitutions and alterations can be made to the above-described structure of the present invention without departing from the basic technical concept of the present invention as described above, according to the common technical knowledge and conventional means in the field of the present invention.
Claims (10)
1. The utility model provides a node additional strengthening of adjustable elevation based on many limbs hoop which characterized in that: including reinforced concrete column, and one end bury in reinforced concrete column, the other end extends to the outer connecting reinforcement of reinforced concrete column, and set up on reinforced concrete column, be close to the skeleton reinforcing bar that sets up in connecting reinforcement, and twine many limbs hoop on connecting reinforcement, the skeleton reinforcing bar on be equipped with a plurality of subsides marks that are the equidistance interval and set up, many limbs hoop is equipped with more than one, and pastes the corresponding equidistance interval distribution that is on connecting reinforcement and skeleton reinforcing bar with each, each it has vertical reinforcing bar to insert between the many limbs hoop.
2. The multi-limb hoop based adjustable elevation node stiffener structure of claim 1, wherein: the connecting steel bars are more than one and are distributed on the concrete column in a rectangular shape.
3. The multi-limb hoop based adjustable elevation node stiffener structure of claim 2, wherein: in the rectangular structure formed by the connecting reinforcing steel bars, each rectangular corner point is provided with at least three connecting reinforcing steel bars, and the connecting reinforcing steel bars of each rectangular corner point are distributed in a right-angled triangle shape.
4. The multi-limb hoop based adjustable elevation node stiffener structure of claim 1, wherein: the multi-limb hoop is combined and bound on the connecting reinforcing steel bars by three large, two small closed hooping to form a reinforcing steel bar cage shape.
5. The multi-limb hoop based adjustable elevation node reinforcement structure of claim 4, wherein: and the reinforcement cages formed by the multiple hoops are arranged on the connecting reinforcements in a laminated manner.
6. The multi-limb hoop based adjustable elevation node stiffener structure of claim 1, wherein: the framework steel bars are more than one and are distributed on the concrete column in a rectangular shape.
7. The multi-limb hoop based adjustable elevation node stiffener structure of claim 1, wherein: the multi-limb hoop is provided with more than one C-shaped buckling pieces, and the C-shaped buckling pieces are clamped on the multi-limb hoop from the side to form clamping matching.
8. The multi-limb hoop based adjustable elevation node reinforcement structure of claim 7, wherein: and the multi-limb hoop positioned at the topmost and bottommost parts is fixed with the framework steel bars in a welding fit manner.
9. The multi-limb hoop based adjustable elevation node stiffener structure of claim 8, wherein: the spacing distance between the multiple limb hoops is consistent with the spacing distance between the labels.
10. The multi-limb hoop based adjustable elevation node reinforcement structure of any one of claims 1-9, wherein: the reinforced concrete column is characterized in that shear keys and embedded lifting points are arranged in the exposure direction of connecting steel bars of the reinforced concrete column, the shear keys are located in rectangular structures formed by the connecting steel bars, and the embedded lifting points are located in the shear keys.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121700327.1U CN215717661U (en) | 2021-07-23 | 2021-07-23 | Elevation-adjustable node reinforcing structure based on multi-limb hoop |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121700327.1U CN215717661U (en) | 2021-07-23 | 2021-07-23 | Elevation-adjustable node reinforcing structure based on multi-limb hoop |
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| CN215717661U true CN215717661U (en) | 2022-02-01 |
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| CN202121700327.1U Active CN215717661U (en) | 2021-07-23 | 2021-07-23 | Elevation-adjustable node reinforcing structure based on multi-limb hoop |
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