CN114737783B - Method and equipment for reinforcing concrete column by adopting sandwich structure - Google Patents
Method and equipment for reinforcing concrete column by adopting sandwich structure Download PDFInfo
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- CN114737783B CN114737783B CN202210417786.1A CN202210417786A CN114737783B CN 114737783 B CN114737783 B CN 114737783B CN 202210417786 A CN202210417786 A CN 202210417786A CN 114737783 B CN114737783 B CN 114737783B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
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Abstract
The invention discloses a method and equipment for reinforcing a concrete column by adopting a sandwich structure.A second reinforcing component is welded in an outer sleeve component, a first reinforcing component is arranged at the end part of the outer sleeve component, and the outer sleeve component, the second reinforcing component and the first reinforcing component are assembled into a reinforcing device; arranging a mounting part on the surface of the existing concrete column body chiseled out of the protective layer, wherein the mounting part is matched with the first reinforcing component; sleeving the assembled reinforcing device on the outer side of the concrete column body, attaching and fixing the two first reinforcing components, and matching the two fixed first reinforcing components with the mounting part; finally, an integral structure is formed; through will adopting the overcoat subassembly to consolidate existing concrete column body, cooperate first reinforcement subassembly and second reinforcement subassembly to improve more simultaneously and consolidate the effect, so not only can not increase substantially the cross-section, and can guarantee concrete column's bearing capacity, rigidity and ductility more, improve its life.
Description
Technical Field
The invention relates to the technical field of civil and architectural engineering, in particular to a method and equipment for reinforcing a concrete column by adopting a sandwich structure.
Background
The reinforced concrete column is one of the main bearing members in the concrete structure, and the working performance of the reinforced concrete column is directly related to the structural safety and the use. And because of a series of reasons such as improper design and use, environmental erosion, use function change and specification requirement improvement, etc. of a large number of existing reinforced concrete structure buildings, when the existing reinforced concrete columns can not meet the use requirements due to the reasons, reinforcement treatment needs to be carried out on the existing reinforced concrete columns so that the existing reinforced concrete columns meet the use requirements.
At present, the reinforcing aspect of the reinforced concrete column is mainly commonly used by a section increasing method, a steel wrapping method and the like. All the concrete columns can improve the bearing capacity of the concrete columns to a certain extent to achieve the purpose of reinforcement, but have obvious limitations. The joint working performance of new and old concrete of the column reinforced by the cross section enlarging method is poor, the ductility of the column cannot be improved basically, the field wet operation is excessive, and the formwork erection is complicated; the external steel and the original component of the dry external steel reinforcement method can not work integrally, and can only bear force independently, so that the utilization rate of the external steel material is low, and the integrity is poor; the integrity of a wet-type steel-wrapped method is also poor, and the durability and fire resistance of the reinforced column are poor due to the use of the structural adhesive, so that the bearing capacity, the rigidity and the ductility of the reinforced column cannot be improved greatly at the same time; the existing reinforcing method adopting the outer sleeve form adopts a reinforcing plate and an outer sleeve singly, and the form is too simple, but the durability is poor in the later use process, and meanwhile, the service life is short, so that the bearing capacity, the rigidity and the ductility of the reinforced concrete column cannot be improved greatly.
Disclosure of Invention
The invention aims to provide a method and equipment for reinforcing a concrete column by adopting a sandwich structure, which are used for solving the problems in the prior art, and the existing concrete column body is reinforced by adopting an outer sleeve assembly, and the reinforcing effect is improved by matching a first reinforcing assembly and a second reinforcing assembly, so that the section is not greatly increased, the bearing capacity, the rigidity and the ductility of the concrete column can be ensured, and the service life of the concrete column can be prolonged.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a method for reinforcing a concrete column by adopting a sandwich structure, which is used for reinforcing the body of the existing concrete column and comprises the following steps:
assembling a reinforcing device: preparing an outer sleeve assembly, welding a second reinforcing assembly in the outer sleeve assembly, arranging a first reinforcing assembly at the end part of the outer sleeve assembly, and assembling the outer sleeve assembly, the second reinforcing assembly and the first reinforcing assembly into a reinforcing device;
treating the existing concrete column body: chiseling an original protective layer of an existing concrete column body, chiseling the surface of the existing concrete column body, and wetting the existing concrete column body with water; arranging a mounting part on the surface of the existing concrete column body with the protective layer chiseled away, wherein the mounting part is matched with the first reinforcing component;
installing a reinforcing device: sleeving the assembled reinforcing device on the outer side of the concrete column body, attaching and fixing the two first reinforcing components, and matching the two fixed first reinforcing components with the mounting part; finally, an integral structure is formed;
pouring concrete: pouring concrete in a cavity formed between the outer sleeve assembly and the concrete column, and curing and forming;
external rust prevention treatment: and coating an anti-rust layer on the periphery of the installed integral structure.
Preferably, handle existing concrete column body in-process the installation department is including seting up first bar groove on the concrete column body, the mounting groove has been seted up to first bar groove both sides, first bar groove and mounting groove intercommunication, just first bar groove with the groove height of mounting groove is inequality, and the equipment is accomplished two first reinforcement adaptation is in first bar groove and the mounting groove.
Preferably, the mounting groove is a first groove or a through groove.
Preferably, a gap is formed between the mounting part and the first reinforcing component, and an adhesive is filled in the gap.
In order to achieve the above purpose, the invention also provides the following scheme: the utility model provides an adopt sandwich structure reinforced concrete post equipment, is based on reinforcing apparatus, reinforcing apparatus is including setting up first reinforcement subassembly and the second reinforcement subassembly on the concrete column body, just first reinforcement subassembly symmetry sets up the concrete column body outer wall outside, the second is consolidated the subassembly symmetry and is set up the concrete column body outer wall outside, two first reinforcement subassembly corresponds the setting, two the subassembly corresponds the setting is consolidated to the second, first reinforcement subassembly and second are consolidated the subassembly outside and are provided with the overcoat subassembly.
Preferably, the first reinforcing component comprises a bending plate fixedly connected to the outer sleeve component, a first reinforcing column is fixedly connected to the bending plate and arranged on one side close to the second reinforcing component, the first reinforcing column is matched with the installation groove, and the end of the bending plate is matched with the first bar-shaped groove.
Preferably, the second reinforcement component comprises a reinforcement rib plate fixedly connected to the jacket component, a support plate is fixedly connected to the reinforcement rib plate, and the support plate is in contact with the outer wall of the concrete column body.
Preferably, the concrete column body is round or square.
Preferably, when the concrete column body is square, a plurality of third reinforcing assemblies are arranged outside the concrete column body, and the third reinforcing assemblies are located at four corners of the square concrete column body.
Preferably, the third reinforcement subassembly includes the rigid coupling and is in short column on the overcoat subassembly, it has first gusset plate and second gusset plate to be the angle rigid coupling respectively on the short column, just first gusset plate and second gusset plate and square concrete column body outer wall looks adaptation.
The invention discloses the following technical effects:
1. welding a second reinforcing component in the outer sleeve component, arranging a first reinforcing component at the end part of the outer sleeve component, and assembling the outer sleeve component, the second reinforcing component and the first reinforcing component into a reinforcing device; chiseling an original protective layer of an existing concrete column body, chiseling the surface of the existing concrete column body, and wetting the existing concrete column body with water; arranging a mounting part on the surface of the existing concrete column body chiseled out of the protective layer, wherein the mounting part is matched with the first reinforcing component; sleeving the assembled reinforcing device on the outer side of the concrete column body, attaching and fixing the two first reinforcing components, and matching the two fixed first reinforcing components with the mounting part; finally, an integral structure is formed; reinforce existing concrete column body through adopting the overcoat subassembly, cooperate first reinforcement subassembly and second reinforcement subassembly to improve the reinforcement effect more simultaneously, so not only can not increase substantially the cross-section, and can guarantee concrete column's bearing capacity, rigidity and ductility more, improve its life.
2. The cross section of the reinforced concrete column is distributed in a multi-cavity mode, and the bending rigidity is superior to that of a common outer sleeve steel tube reinforced column mode. For the column which is eccentrically stressed under the actual stress state in most cases, the increase of the bending rigidity is beneficial to the improvement of the bearing capacity and the ductility of the column.
3. The jacket component is utilized to restrain the core concrete, so that the strength of the core concrete can be fully exerted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of example 1 of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural view of a concrete column body in a circular shape and a jacket assembly in a square tube;
FIG. 4 is a schematic view of a first groove of the present application;
FIG. 5 is a schematic structural view of example 2;
FIG. 6 is a schematic structural diagram of example 3 of the present application;
FIG. 7 is a partial enlarged view of B in FIG. 6;
FIG. 8 is an enlarged view of a portion C of FIG. 6;
FIG. 9 is an enlarged view of a portion D of FIG. 6;
FIG. 10 is a schematic structural view of example 5 of the present application;
FIG. 11 is an enlarged view of a portion E of FIG. 10;
FIG. 12 is a schematic structural view of a concrete column body in a square shape and a jacket assembly in a square tube shape;
FIG. 13 is a schematic structural view of the external reinforcement of the round tube in example 6 of the present application;
FIG. 14 is a schematic structural view of external reinforcement of a square tube according to example 6 of the present application;
FIG. 15 is a schematic structural view of the external reinforcement of round tubes in example 7 of the present application;
FIG. 16 is a schematic view showing the structure of external reinforcing of a square pipe in example 7 of the present application;
FIG. 17 is a schematic view of a flexure of the present application;
wherein, the correspondence between the reference numbers and the part names in fig. 1 to 17 is:
1-concrete column body; 2-round tube; 3-square tube; 4-a reinforcing rib plate; 5-bending the plate; 6-a first bar-shaped groove; 7-a first groove; 8-through grooves; 9-an elastic member; 10-a first reinforcement column; 11-fastener: 12-a bump; 13-an arc plate; 14-a second strip groove; 15-a third strip groove; 16-a strip; 17-short column; 18-a first reinforcement plate; 19-a second reinforcement plate; 20-a second reinforcement column; 21-an adhesive; 22-self-compacting concrete; 23-ear plate; 24-a reinforcing hoop; 25-steel block body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Referring to fig. 1 to 4, the present invention provides a method for reinforcing a concrete column using a sandwich structure, which reinforces an existing concrete column body 1, and includes the following steps:
assembling a reinforcing device: preparing an outer sleeve assembly, welding a second reinforcing assembly in the outer sleeve assembly, arranging a first reinforcing assembly at the end part of the outer sleeve assembly, and assembling the outer sleeve assembly, the second reinforcing assembly and the first reinforcing assembly into a reinforcing device;
wherein the overcoat subassembly is pipe 2 or square pipe 3, and pipe 2 and square pipe 3 all adopt the steel sheet to make.
Treating the existing concrete column body 1: chiseling an original protective layer of an existing concrete column body 1, chiseling the surface of the existing concrete column body, and wetting the existing concrete column body with water; arranging a mounting part on the surface of the existing concrete column body 1 chiseled out of the protective layer, wherein the mounting part is matched with the first reinforcing component;
installing a reinforcing device: sleeving the assembled reinforcing device on the outer side of the concrete column body 1, attaching and fixing the two first reinforcing components, and matching the two fixed first reinforcing components with the mounting part; finally, an integral structure is formed;
pouring concrete: pouring concrete in a cavity formed between the outer sleeve assembly and the concrete column, and curing and forming; in order to ensure the uniformity of the cast concrete and further improve the bearing capacity and rigidity of the reinforced concrete column body 1, the concrete adopts self-compacting concrete 22, and the diameter of coarse aggregate used by the self-compacting concrete 22 is not more than 15mm; the strength of the self-compacting concrete 22 should be at least one level higher than the strength of the concrete column body 1 and not less than C30.
External rust prevention treatment: coating an anti-rust layer on the periphery of the installed integral structure; different rust-proof processes are selected according to different use environments, so that the round pipe 2 or the square pipe 3 in the reinforcing device is prevented from being rusted; carrying out surface rust prevention treatment on the round pipe 2 or the square pipe 3 in the reinforcing device, and selecting corresponding rust prevention measures according to the use environment: the outdoor engineering which is difficult to maintain adopts a hot galvanizing rust-proof method; the general structure adopts the anti-rust paint coating.
The scheme is further optimized, so that the bearing capacity, the rigidity and the ductility of the reinforced concrete column body 1 are ensured, the service life of the reinforced concrete column body is prolonged, and the durability of the reinforced concrete column body is improved; handle the installation department of existing concrete column body 1 in-process including offering the first bar groove 6 on concrete column body 1, the mounting groove has been seted up to first bar groove 6 both sides, first bar groove 6 and mounting groove intercommunication, and the groove height of first bar groove 6 and mounting groove is inequality, and two first reinforcement adaptations that the equipment was accomplished are in first bar groove 6 and mounting groove, and there is the clearance between installation department and the first reinforcement subassembly, and the clearance intussuseption is filled with and is stained with adhesive 21.
A grooving device (not shown in the figure) is adopted to form four first bar-shaped grooves 6 outside the concrete column body 1, the four first bar-shaped grooves are all positioned at the tangent point of the concrete column body 1, meanwhile, every two of the four first bar-shaped grooves 6 are correspondingly arranged, after the first bar-shaped grooves 6 are formed, in order to further enhance the reinforcing effect, mounting grooves are formed in two sides of each first bar-shaped groove 6, and two assembled first reinforcing components are matched in the first bar-shaped grooves 6 and the mounting grooves; finally, the gap is filled with an adhesive 21, wherein the adhesive 12 is one of an organic adhesive (such as resin) or an inorganic adhesive (high-strength cement mortar).
According to a further optimized scheme, in order to improve the bearing capacity of the reinforced concrete column body 1, the mounting groove is provided with the first grooves 7, namely a plurality of first grooves 7 are formed in the longitudinal direction of the reinforced concrete column body 1, the distances between every two adjacent first grooves 7 are the same, and meanwhile, the distance between every two adjacent first grooves 7 is set according to specific construction requirements; meanwhile, the general existing concrete column body 1 is poor in fusion with a new concrete structure, so that when the concrete column is subjected to overlarge bearing capacity, cracks can appear on the new concrete structure part at the periphery of the existing concrete column body 1, the reinforcement is not obvious, a first strip-shaped groove 6 is formed in the existing concrete column body 1 and is matched with a first reinforcement assembly, the reinforcement strength can be further improved, when the reinforced concrete column body 1 is subjected to longitudinal pressure, the first reinforcement assembly can buffer and protect the concrete column body 1, and further the rigidity of the reinforced concrete column is protected.
Furthermore, in order to complete the reinforcement method, the invention also provides equipment for reinforcing the concrete column by adopting a sandwich structure, wherein the reinforcement device comprises a first reinforcement component and a second reinforcement component which are arranged on the concrete column body 1, the first reinforcement component is symmetrically arranged on the outer side of the outer wall of the concrete column body 1, the second reinforcement component is symmetrically arranged on the outer side of the outer wall of the concrete column body 1, the two first reinforcement components are correspondingly arranged, the two second reinforcement components are correspondingly arranged, and jacket components are arranged outside the first reinforcement component and the second reinforcement components.
Wherein, the concrete column body 1 is round or square.
The technical scheme is further optimized, and the bearing capacity, the rigidity and the ductility of the reinforced concrete column are improved; set up first reinforcement subassembly into including the rigid coupling be in board 5 of bending on the overcoat subassembly, the rigid coupling has first reinforcement post 10 on the board 5 of bending, and first reinforcement post 10 sets up in the one side that is close the second reinforcement subassembly, first reinforcement post 10 and mounting groove looks adaptation, the tip and the 6 looks adaptations of first bar groove of board 5 of bending.
The outer sleeve component is an integral round pipe 2 or square pipe 3 which consists of two semi-round pipes 2 or semi-square pipes 3, the integral round pipe 2 or square pipe 3 consists of two ribbed steel plates, and the end parts of the ribbed steel plates are bent inwards in a right angle to form a bent plate 5 with the end parts of the ribbed steel plates; the width of the first reinforcing column 10 is smaller than the groove height of the mounting groove or is the same as the groove height of the mounting groove, so that the peripheral first reinforcing component and the concrete column body 1 are reinforced more closely, and the reinforcing effect is improved; and when concrete column body 1 was circular, first reinforcement column 10 was the arc and follows with the excircle of concrete column body 1 and appear, and the arc length of first reinforcement column 10 is set for according to actual construction requirements simultaneously.
Further optimize the scheme, in order to guarantee the reinforcement effect of concrete column body 1 more, set up the second and consolidate the subassembly and set up to including the reinforced rib plate 4 of rigid coupling on the overcoat subassembly, the rigid coupling has the backup pad on reinforced rib plate 4, and the backup pad contacts with the outer wall of concrete column body 1.
When the concrete column body 1 is circular, the supporting plate is an arc-shaped plate 13, the sum of the radius of the arc-shaped plate 13 and the length of the reinforcing rib plate 4 is equal to the length of the bending plate 5, and the sum is equal to 0.5 times of the difference between the front and rear cross-sectional dimensions of the reinforced concrete column body 1, so that after the two ribbed steel plates are spliced, the inner part of the arc-shaped plate 13 and the end part of the bending plate 5 are both in contact with the concrete column body 1; the thicknesses of the arc-shaped plate 13, the bending plate 5 and the reinforcing rib plate 4 are equal to each other and are not less than 3mm, and the bearing capacity requirement of the reinforced concrete column body 1 is met
Example 2
Referring to fig. 5, the difference with embodiment 1 lies in that the mounting groove is a through groove 8, that is, the through groove 8 is axially formed along the concrete column body 1, and the through groove 8 is communicated with the first bar-shaped groove 6, and meanwhile, the length of the first reinforcement column 10 is the same as the height of the concrete column body 1, so that the reinforcement structure is simple in construction and good in reinforcement effect, and the steel structure is integrally adopted, so that the stability and durability of the reinforced concrete column body 1 are further ensured.
Example 3
Referring to fig. 6-9, the difference from embodiment 1 is that when the concrete column body 1 is square, a plurality of third reinforcement assemblies are arranged outside the concrete column body 1, and the third reinforcement assemblies are located at four corners of the square concrete column body 1.
Because square concrete column body 1 is when receiving pressure, it not only has horizontal pressure, there is the extrusion force of slope still in its four corners department, and when present reinforced concrete column body 1, only adopt the concrete to consolidate alone, consolidate existing concrete column body 1 not, even result in it to consolidate like this, also can reduce life, and rigidity is also not obvious, and consolidate the third and consolidate the subassembly on square concrete column body 1's four corners, it can be more easily merged into the concrete of newly pouring like this, not only improved the degree of fusion of newly consolidated concrete structure and existing concrete column body 1, still improved the rigidity and the bearing capacity of reinforced back concrete column body 1 simultaneously.
According to a further optimization scheme, the third reinforcing component comprises a short column 17 fixedly connected to the outer sleeve component, a first reinforcing plate 18 and a second reinforcing plate 19 are fixedly connected to the short column 17 in an angle mode respectively, and the first reinforcing plate 18 and the second reinforcing plate 19 are matched with the outer wall of the square concrete column body 1.
Wherein the short column 17 is a steel plate, and the length of the short column 17 is the same as the height of the concrete column body 1;
furthermore, the first reinforcement column 10 is in the form of a strip structure, i.e. the portion contacting the square concrete column body 1 is in a straight line structure, so that it can better bear the extrusion force of the existing concrete column body 1.
Furthermore, the supporting plate is a strip-shaped plate 16, namely, the part contacting with the square concrete column body 1 is of a straight line structure, and meanwhile, a plurality of bulges 12 are welded on the strip-shaped plate 16, so that the purpose of buffering can be achieved when extrusion force is applied.
When the reinforcing rib plate is used, a steel plate is prepared and is provided with a half square pipe 3 to be bent, meanwhile, the end part of the steel plate is bent to form a bent plate 5, a strip-shaped plate 16 is welded on the bent plate 5, then, the reinforcing rib plate 4 is welded with the strip-shaped plate 16, and the welded structure is welded on the inner side wall of the half square pipe 3; chiseling an original protective layer on an existing concrete column body 1, chiseling the surface of the existing protective layer, and wetting the existing protective layer with water; offer four first bar groove 6 on chiseling the existing concrete column body 1 of protective layer, the mounting groove has been seted up in its both sides simultaneously, cup joint two half square pipes 3 in the concrete column body 1 outside after handling the completion, align and weld two boards 5 of bending, then at first bar groove 6, pour into bonding agent 21 between mounting groove and the first subassembly of consolidating, square pipe 3 periphery after the constitution adopts support frame (not shown in the figure) to support, treat that bonding agent is fixed with first subassembly completely, demolish the support frame, at last square pipe 3, form the cavity pouring concrete between third reinforcement subassembly and concrete column body 1, treat that the concrete dries up the back, square pipe 3 periphery is derusted and is handled, accomplish the reinforcement earth pillar to existing concrete column 1.
Example 4
The difference with embodiment 3 lies in, the mounting groove is for leading to groove 8, has seted up leading to groove 8 along concrete column body 1 axial promptly, leads to groove 8 simultaneously and is linked together with first bar groove 6, and the length of first reinforcement post 10 is the same with concrete column body 1's height simultaneously, and such reinforced structure construction is simple, and consolidates effectually, wholly adopts the steel construction, has guaranteed the stability and the durability of concrete column body 1 after consolidating more.
Example 5
Referring to fig. 10 to 12, the difference from embodiment 3 is that, in order to reduce the cost and reduce the construction difficulty, and simultaneously ensure the rigidity of the reinforced concrete column, a second strip groove 14 and a third strip groove 15 are respectively formed at four corners of the concrete column body 1, the second strip groove 14 and the third strip groove 15 are vertically arranged, a second reinforcing column 20 is respectively fixedly connected to the first reinforcing plate 18 and the second reinforcing plate 19, the two second reinforcing columns 20 are respectively adapted to the second strip groove 14 and the third strip groove 15, and in order to mount the first reinforcing plate 18 and the second reinforcing plate 19 on the concrete column body 1, the second strip groove 14 and the third strip groove 15 are through grooves 8 and are communicated.
During the use, set up second bar groove 14 and third bar groove 15 on concrete column body 1 respectively earlier, do corresponding processing to it simultaneously, then weld first gusset plate 18 and second gusset plate 19, and weld the second gusset column according to this on first gusset plate 18 and second gusset plate 19, adopt the fixed second gusset column of gluing agent, accomplish the installation of second gusset column, later step is the same with the process in implementation 1.
Example 6
Referring to fig. 13 to 14, the difference from embodiment 1 is that, in order to further ensure the bearing capacity and rigidity of the concrete column and improve the reinforcing effect, a plurality of reinforcing hoops 24 are sleeved outside the square tube 3 or the circular tube 2 and are arranged longitudinally along the concrete column body 1, the reinforcing hoops 24 are formed by two semicircular steel sleeves, two ends of each reinforcing hoop are fixed by fasteners 11, and after the reinforcing hoops are fixed by the fasteners, the outer surface of each reinforcing hoop is subjected to rust removal treatment.
Example 7
Referring to fig. 15 to 17, the difference from embodiment 6 is that, in order to increase a certain ductility and a certain counter-extrusion force thereof, a plurality of flexible members are sleeved outside a square pipe 3 or a round pipe 2 and are longitudinally arranged along a concrete column body 1, the flexible members include a plurality of steel block bodies 25 and elastic members 9, the steel block bodies 25 are fixedly connected with the elastic members 9 and are arranged at intervals, two lug plates 23 are fixedly connected to end portions of the flexible members, the two lug plates 23 are fixedly connected by fasteners 11, the fasteners 11 are connected by bolts and nuts, and the elastic members 9 are high-strength springs, so that durability and rigidity are ensured when the concrete column is used.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (5)
1. The utility model provides an adopt sandwich structure reinforced concrete post's method, consolidates existing concrete column body (1), its characterized in that: the method comprises the following steps:
assembling a reinforcing device: preparing an outer sleeve assembly, welding a second reinforcing assembly in the outer sleeve assembly, arranging a first reinforcing assembly at the end part of the outer sleeve assembly, and assembling the outer sleeve assembly, the second reinforcing assembly and the first reinforcing assembly into a reinforcing device, wherein the reinforcing device comprises the first reinforcing assembly and the second reinforcing assembly which are arranged on the concrete column body (1), the first reinforcing assemblies are symmetrically arranged on the outer side of the outer wall of the concrete column body (1), the second reinforcing assemblies are symmetrically arranged on the outer side of the outer wall of the concrete column body (1), the two first reinforcing assemblies are correspondingly arranged, the two second reinforcing assemblies are correspondingly arranged, and the outer sleeve assemblies are arranged outside the first reinforcing assembly and the second reinforcing assemblies; the first reinforcing component comprises a bending plate (5) fixedly connected to the jacket component, a first reinforcing column (10) is fixedly connected to the bending plate (5), and the first reinforcing column (10) is arranged on one side close to the second reinforcing component; the second reinforcing component comprises a reinforcing rib plate (4) fixedly connected to the jacket component, a supporting plate is fixedly connected to the reinforcing rib plate (4), the supporting plate is in contact with the outer wall of the concrete column body (1), the jacket component is an integral round pipe (2) or square pipe (3), a plurality of reinforcing hoops (24) are sleeved outside the round pipe (2) or the square pipe (3) and are longitudinally arranged along the concrete column body (1), and two ends of the reinforcing hoops are fixed by fasteners (11);
treating an existing concrete column body (1): chiseling an original protective layer of an existing concrete column body (1), chiseling the surface of the existing concrete column body, and wetting the existing concrete column body with water; the installation part is arranged on the surface of an existing concrete column body (1) chiseling a protective layer, the installation part comprises a first bar-shaped groove (6) formed in the concrete column body (1), installation grooves are formed in two sides of the first bar-shaped groove (6), the first bar-shaped groove (6) is communicated with the installation grooves, the height of the first bar-shaped groove (6) is different from that of the installation grooves, two first reinforcing components are assembled in the first bar-shaped groove (6) and the installation grooves, and the installation grooves are first grooves (7) or through grooves (8);
installing a reinforcing device: sleeving the assembled reinforcing device on the outer side of the concrete column body (1), attaching and fixing two first reinforcing components, matching the two fixed first reinforcing components with an installation part, matching the first reinforcing column (10) with the installation groove, matching the end part of the bending plate (5) with the first strip-shaped groove (6), and finally forming an integral structure;
pouring concrete: pouring concrete in a cavity formed between the outer sleeve assembly and the concrete column, and curing and forming;
external rust prevention treatment: and coating an anti-rust layer on the periphery of the installed integral structure.
2. The method for reinforcing a concrete column with a sandwich structure according to claim 1, wherein: a gap exists between the mounting part and the first reinforcing component, and an adhesive (21) is filled in the gap.
3. The method for reinforcing a concrete column with a sandwich structure according to claim 1, wherein: the concrete column body (1) is round or square.
4. A method for reinforcing a concrete column with a sandwich structure according to claim 3, characterized in that: when the concrete column body (1) is square, a plurality of third reinforcing assemblies are arranged outside the concrete column body (1), and the third reinforcing assemblies are located at four corners of the square concrete column body (1).
5. The method for reinforcing a concrete column with a sandwich structure according to claim 4, wherein: the third is consolidated the subassembly and is included the rigid coupling and is in short column on the overcoat subassembly, it has first gusset plate and second gusset plate to be the angle rigid coupling respectively on the short column, just first gusset plate and second gusset plate and square concrete column body (1) outer wall looks adaptation.
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