CN115596238A - Concrete floor reinforcing structure and construction method - Google Patents

Concrete floor reinforcing structure and construction method Download PDF

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Publication number
CN115596238A
CN115596238A CN202211284544.6A CN202211284544A CN115596238A CN 115596238 A CN115596238 A CN 115596238A CN 202211284544 A CN202211284544 A CN 202211284544A CN 115596238 A CN115596238 A CN 115596238A
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Prior art keywords
reinforcing
bolt
groove
reinforcing bolt
connecting groove
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CN115596238B (en
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苏恒宇
姚文杰
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Jiangsu Institute of Architectural Technology
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Jiangsu Institute of Architectural Technology
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • E04G23/0237Increasing or restoring the load-bearing capacity of building construction elements of storey floors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/06Solidifying concrete, e.g. by application of vacuum before hardening
    • E04G21/08Internal vibrators, e.g. needle vibrators
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0288Repairing or restoring floor slabs

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention discloses a concrete floor reinforcing structure and a construction method, wherein the concrete floor reinforcing structure comprises a reinforcing groove formed in the bottom end of a position to be reinforced of an original floor, a connecting groove is formed in the top end of the reinforcing groove, and a reinforcing structure is installed in the connecting groove; the reinforcing structure comprises a sealing plate fixedly connected to the bottom end of the reinforcing groove, a first reinforcing bolt penetrates through the sealing plate, and the top end of the first reinforcing bolt is screwed into the top end of the connecting groove; the side wall of the connecting groove is in threaded connection with a plurality of second reinforcing bolts, and connecting lines are fixedly connected between nuts of the second reinforcing bolts and the side wall in the first reinforcing bolt; the first reinforcing bolt is welded and fixed with the steel bar of the original floor slab; reinforcing ribs are fixedly connected between the second reinforcing bolts and the reinforcing steel bars; the shrouding is gone up to run through and has been seted up the slip casting hole, is provided with the subassembly of ventilating in the first reinforcing bolt. The invention has convenient construction, no additional weight increase of the floor slab, reduced load of the floor slab, low cost and greatly improved reinforcing effect on the floor slab.

Description

Concrete floor reinforcing structure and construction method
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a concrete floor reinforcing structure and a construction method.
Background
The concrete floor is a floor which is manufactured by erecting a formwork, binding reinforcing steel bars, pouring concrete, maintaining and removing a formwork on site according to a design position, wherein the reinforcing steel bars bear tension, and the concrete bears pressure, and has the characteristics of firmness, durability, good fireproof performance and low cost.
But the problem of insufficient bearing capacity of the concrete floor slab sometimes occurs in the using process; sometimes, according to the requirements of construction and buildings, the through holes are required to be formed in the concrete floor slab to meet the building requirements, the original structure of the concrete floor slab is obviously damaged, the structural strength and the bearing capacity of the concrete floor slab are reduced, the concrete floor slab needs to be reinforced under the condition, the bearing capacity and the stability of the concrete floor slab are improved, and the concrete floor slab is prevented from cracking or even breaking due to insufficient bearing capacity, so that the use safety is prevented, and the service life of a building is prolonged.
The patent CN214384065U discloses a non-disturbance pouring method concrete floor reinforcing structure, and discloses a method for pouring concrete, wherein the reinforcing effect is not good enough, and the construction is troublesome; in the patent CN213087502U floor slab reinforcing structure, the supporting method is adopted, the reinforcing structure has a large influence on the space, and the whole weight is also influenced; CN114687580A an integrative slope parcel formula stone strip floor reinforced structure, the carbon fiber reinforcement method that uses, the cost is high, can't use in production in a large amount. The prior art above shows existing floor slab reinforcement methods from different sides, respectively, including covering a new concrete layer, supporting steel beams, attaching carbon fiber cloth, attaching prestressed carbon sheets, etc., but these methods all have various drawbacks as described above. Therefore, it is desirable to design a concrete floor reinforcing structure and a construction method thereof to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to provide a concrete floor reinforcing structure and a construction method, which are used for solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a concrete floor reinforcing structure, which comprises a reinforcing groove formed in the bottom end of a position to be reinforced of an original floor, wherein a connecting groove is formed in the top end of the reinforcing groove, and a reinforcing structure is installed in the connecting groove;
the reinforcing structure comprises a sealing plate fixedly connected to the bottom end of the reinforcing groove, a first reinforcing bolt penetrates through the sealing plate, and the top end of the first reinforcing bolt is screwed into the top end of the connecting groove; the side wall of the connecting groove is in threaded connection with a plurality of second reinforcing bolts, and connecting wires are fixedly connected between nuts of the second reinforcing bolts and the side wall in the first reinforcing bolt;
the first reinforcing bolt is welded and fixed with the steel bar of the original floor slab; reinforcing ribs are fixedly connected between the second reinforcing bolts and the reinforcing steel bars;
the sealing plate is provided with a grouting hole in a penetrating mode, a ventilation assembly is arranged in the first reinforcing bolt, one end of the ventilation assembly is communicated with the outside, and the other end of the ventilation assembly is communicated with the bottom of the connecting groove.
Preferably, the ventilation assembly comprises a positioning plate fixedly connected to the side wall of the first reinforcing bolt, and the top end of the positioning plate is abutted against the top end of the connecting groove; a plurality of vent holes are formed in the side wall of the first reinforcing bolt, and the vent holes are located on one side, far away from the bottom end of the connecting groove, of the positioning plate; a plurality of air guide holes which are arranged corresponding to the air holes are formed in the longitudinal direction of the side wall of the first reinforcing bolt, and the air holes are communicated with the air guide holes; and one end of the air guide hole, which is far away from the air vent, extends out of the sealing plate.
Preferably, a dense mesh filter screen is embedded and installed in the vent hole.
Preferably, a nut cap of the first reinforcing bolt is internally provided with a abdicating groove, and the bottom end of the abdicating groove is provided with a connecting hole; an adjusting rod is rotationally connected in the connecting hole, one end of the adjusting rod extends out of the connecting hole and is fixedly connected with a positioning assembly, a spool is fixedly sleeved at the other end of the adjusting rod, and the connecting wire is wound on the spool; the side wall of the connecting hole is provided with a plurality of wire outlet holes corresponding to the second reinforcing bolts in a penetrating mode, and the connecting wire extends out of the connecting hole through the wire outlet holes.
Preferably, the second reinforcing bolt is perpendicular to the first reinforcing bolt, and a nut of the second reinforcing bolt faces the first reinforcing bolt; the rigid coupling has first go-between on the nut of second reinforcing bolt, can dismantle on the first go-between and be connected with the second go-between, the second go-between is kept away from the one end of first go-between is rotated and is connected with the connector, the connector with the connecting wire rigid coupling.
Preferably, the positioning assembly comprises a ratchet wheel which is rotatably connected in the abdicating groove, and one end of the ratchet wheel is fixedly connected with the adjusting rod; a pawl is abutted to the outer wall of the ratchet wheel and is in limit contact with the ratchet wheel; the end face of the ratchet wheel, which is far away from the connecting rod, is provided with a tool groove which is convenient to screw.
Preferably, the edge of the sealing plate is rotatably connected with a plurality of third reinforcing bolts, and the third reinforcing bolts are screwed into the original floor slab.
Preferably, concrete slurry is filled in the connecting groove and the reinforcing groove.
A concrete floor reinforcing construction method comprises the following steps:
the method comprises the following steps: positioning a reinforcing position; positioning the position of the original floor to be reinforced and arranging a reinforcing groove and a connecting groove;
step two: preparing a reinforcing material; selecting a first reinforcing bolt and a second reinforcing bolt according to the specifications of the reinforcing groove and the connecting groove;
step three: installing a reinforcing bolt; a second reinforcing bolt is in threaded connection with the proper position of the side wall of the connecting groove; a first reinforcing bolt is arranged at the bottom end of the connecting groove, and the connecting wire is connected to a second reinforcing bolt;
step four: tensioning the connecting line; tensioning a connecting line between the first reinforcing bolt and the second reinforcing bolt; then screwing the second reinforcing bolt again, welding the first reinforcing bolt with the steel bar, and welding a reinforcing rib between the second reinforcing bolt and the steel bar;
step five: installing a sealing plate; mounting a sealing plate at the bottom end of the reinforcing groove, and completely sealing the connecting groove;
step six: grouting and maintaining; injecting the adjusted concrete grout from the grouting holes of the sealing plates, and curing according to requirements; and after the strength of the concrete slurry meets the requirement, grouting the connecting grooves to the original floor, and leveling and maintaining the original floor.
The invention discloses the following technical effects:
1. the invention discloses a concrete floor reinforcing structure and a construction method, which are mainly used for solving the defects of poor reinforcing effect and high manufacturing cost of the existing concrete floor reinforcing method;
2. the reinforcing structure is arranged at the position to be reinforced, so that the original floor is reinforced, and the reinforcing effect is improved; the reinforced structure includes first reinforcing bolt and second reinforcing bolt, the bottom of first reinforcing bolt screw in spread groove, the lateral wall of second reinforcing bolt screw in spread groove, first reinforcing bolt and second reinforcing bolt respectively with the reinforcing bar welded fastening in the former floor, it is taut through the connecting wire between first reinforcing bolt and the second reinforcing bolt, regard as anchor point with first reinforcing bolt and second reinforcing bolt, be connected to together former floor as the bearing structure through the connecting wire, the corruption reinforcing bar is damaged in the replacement, the structural strength who treats the reinforcement position has been improved.
3. The invention has convenient construction, can not increase the weight of the floor slab additionally, reduces the load of the floor slab, has low manufacturing cost and greatly improves the reinforcing effect of the floor slab.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, 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 that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a concrete floor reinforcement structure according to the present invention;
FIG. 2 is an enlarged view of a portion of A of FIG. 1;
FIG. 3 is an enlarged view of a portion of B of FIG. 1;
FIG. 4 is an enlarged view of a portion of C of FIG. 1;
FIG. 5 is a schematic top view of the positioning assembly of the present invention;
FIG. 6 is an enlarged view of a portion D of FIG. 5;
FIG. 7 is a schematic structural diagram according to a second embodiment of the present invention;
wherein, 1, original floor slab; 2. a reinforcing groove; 3. connecting grooves; 4. closing plates; 5. a first reinforcement bolt; 6. a second reinforcing bolt; 7. connecting wires; 8. reinforcing steel bars; 9. reinforcing ribs; 10. grouting holes; 11. positioning a plate; 12. a vent hole; 13. a gas-guide hole; 14. a dense mesh filter screen; 15. a yielding groove; 16. connecting holes; 17. adjusting a rod; 18. a bobbin; 19. a wire outlet hole; 20. a first connecting ring; 21. a second connection ring; 22. a connector; 23. a ratchet wheel; 24. a pawl; 25. a third reinforcing bolt; 26. positioning blocks; 27. reinforcing holes; 28. reinforcing the frame; 29. a fourth reinforcing bolt; 30. reinforcing the cage; 31. fifth fastening bolts; 32. a ventilation hole; 33. a vibrator.
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.
The first embodiment is as follows:
referring to fig. 1-6, the invention provides a concrete floor reinforcing structure, which comprises a reinforcing groove 2 arranged at the bottom end of a position to be reinforced of an original floor 1, a connecting groove 3 arranged at the top end of the reinforcing groove 2, and a reinforcing structure arranged in the connecting groove 3;
the reinforcing structure comprises a sealing plate 4 fixedly connected to the bottom end of the reinforcing groove 2, a first reinforcing bolt 5 penetrates through the sealing plate 4, and the top end of the first reinforcing bolt 5 is screwed into the top end of the connecting groove 3; the side wall of the connecting groove 3 is in threaded connection with a plurality of second reinforcing bolts 6, and connecting wires 7 are fixedly connected between nuts of the second reinforcing bolts 6 and the side wall in the first reinforcing bolt 5;
the first reinforcing bolt 5 is fixedly welded with the steel bar 8 of the original floor slab 1; a reinforcing rib 9 is fixedly connected between the second reinforcing bolt 6 and the reinforcing steel bar 8;
the shrouding 4 is last to run through and has seted up the injected hole 10, is provided with the subassembly of ventilating in the first reinforcing bolt 5, and the subassembly one end of ventilating communicates with the external world, and the subassembly other end of ventilating communicates with 3 bottoms of spread groove.
The invention discloses a concrete floor reinforcing structure and a construction method, which are mainly used for solving the defects of poor reinforcing effect and high manufacturing cost of the existing concrete floor reinforcing method; the original floor 1 is reinforced by installing the reinforcing structure at the position to be reinforced, so that the reinforcing effect is improved; the reinforced structure includes first reinforcing bolt 5 and second reinforcing bolt 6, the bottom of 5 screw in spread grooves 3 of first reinforcing bolt, the lateral wall of 6 screw in spread grooves 3 of second reinforcing bolt, first reinforcing bolt 5 and second reinforcing bolt 6 respectively with the 8 welded fastening of reinforcing bar in former floor 1, it is taut through connecting wire 7 between first reinforcing bolt 5 and the second reinforcing bolt 6, regard as anchor point with first reinforcing bolt 5 and second reinforcing bolt 6, be connected to together former floor 1 as the stress structure through connecting wire 7, the reinforcing bar 8 of corruption is damaged in the replacement, the structural strength who treats the reinforcement position has been improved.
According to a further optimized scheme, the ventilation assembly comprises a positioning plate 11 fixedly connected to the side wall of the first reinforcing bolt 5, and the top end of the positioning plate 11 is abutted to the top end of the connecting groove 3; the side wall of the first reinforcing bolt 5 is provided with a plurality of vent holes 12, and the vent holes 12 are positioned on one side of the positioning plate 11 far away from the bottom end of the connecting groove 3; a plurality of air guide holes 13 which are arranged corresponding to the air holes 12 are formed in the longitudinal direction of the side wall of the first reinforcing bolt 5, and the air holes 12 are communicated with the air guide holes 13; the end of the air guide hole 13 far away from the air vent hole 12 extends out of the sealing plate 4. The positioning plate 11 is used for preventing the ventilation holes 12 from being incapable of ventilating due to being screwed into the original floor slab 1, and has a protection effect on the ventilation holes 12; during the grout, the concrete grout pours into from grouting hole 10 on shrouding 4, risees gradually, upwards drives the air in the spread groove 3, gets into in the air guide hole 13 and discharges from air vent 12 at last, prevents to exhaust and produces the cavity and influence the grout effect in the spread groove 3 that leads to in the same direction as, prevents to reduce and consolidates the effect.
In a further optimized scheme, a dense-mesh filter screen 14 is embedded in the vent hole 12. The purpose of the fine mesh filter 14 is to prevent the air holes 12 from being blocked to prevent air from being exhausted, and further prevent the grouting from being empty.
According to the further optimization scheme, a nut cap of the first reinforcing bolt 5 is internally provided with a abdicating groove 15, and the bottom end of the abdicating groove 15 is provided with a connecting hole 16; an adjusting rod 17 is rotatably connected in the connecting hole 16, one end of the adjusting rod 17 extends out of the connecting hole 16 and is fixedly connected with a positioning assembly, the other end of the adjusting rod 17 is fixedly sleeved with a bobbin 18, and the connecting wire 7 is wound on the bobbin 18; the side wall of the connecting hole 16 is provided with a plurality of wire outlet holes 19 corresponding to the second reinforcing bolts 6 in a penetrating way, and the connecting wire 7 extends out of the connecting hole 16 from the wire outlet holes 19; the positioning component comprises a ratchet wheel 23 which is rotatably connected in the abdicating groove 15, and one end of the ratchet wheel 23 is fixedly connected with the adjusting rod 17; the outer wall of the ratchet wheel 23 is abutted with a pawl 24, and the pawl 24 is in limit contact with the ratchet wheel 23; the end face of the ratchet wheel 23 far away from the connecting rod is provided with a tool groove convenient for screwing. The ratchet wheel 23 and the pawl 24 are designed to ensure that the ratchet wheel 23 can only rotate in the direction of tensioning the connecting wire 7, so that the phenomenon that the connecting wire is reversed to lose the reinforcing effect is prevented; the adjusting rod 17 rotates to drive the spool 18 to tighten the connecting wire 7, and the connecting wire 7 bears the tension of the original floor slab 1, so that the reinforcing effect is improved.
Furthermore, the connecting wire 7 is selected from high-strength ropes including but not limited to steel stranded wires, polyimide ropes, ultra-high molecular weight polyethylene ropes, polyarylate fiber ropes and the like, and has the advantages of strong tensile strength, high corrosion resistance and long service life.
In a further optimized scheme, the second reinforcing bolt 6 is perpendicular to the first reinforcing bolt 5, and the nut of the second reinforcing bolt 6 faces the first reinforcing bolt 5; the nut of the second reinforcing bolt 6 is fixedly connected with a first connecting ring 20, the first connecting ring 20 is detachably connected with a second connecting ring 21, one end of the second connecting ring 21, far away from the first connecting ring 20, is rotatably connected with a connector 22, and the connector 22 is fixedly connected with the connecting wire 7. The first and second connection rings 20 and 21 function to facilitate the connection of the connection wire 7 with the second reinforcing bolt 6; the joint head 22 facilitates the rotation of the second coupling ring 21 so that the connecting wire 7 does not interfere with the rotation of the second fastening bolt 6.
In a further optimized scheme, the edge of the sealing plate 4 is rotatably connected with a plurality of third reinforcing bolts 25, and the third reinforcing bolts 25 are screwed into the original floor slab 1. The third reinforcing bolts 25 are used for fixing the closing plate 4 in the reinforcing groove 2 and sealing the outlet of the connecting groove 3.
Further, the outer wall of the bolt of the first reinforcing bolt 5 is connected with a positioning block 26 in a threaded manner, the positioning block 26 is located in the connecting groove 3, and the bottom surface of the positioning block abuts against the top surface of the sealing plate 4, so that the space between the sealing plate 4 and the first reinforcing bolt 5 is supported.
In a further optimized scheme, concrete slurry is filled in the connecting groove 3 and the reinforcing groove 2. The proportion of concrete grout is the same with the proportion of former floor 1, and the lateral wall of spread groove 3 and reinforcement groove 2 is done and is brushed the processing, and the concrete grout that conveniently pours into combines.
A concrete floor reinforcing construction method comprises the following steps:
the method comprises the following steps: positioning a reinforcement position; positioning the position of an original floor slab 1 to be reinforced and arranging a reinforcing groove 2 and a connecting groove 3; searching the bottom surface of a position needing to be reinforced of an original floor slab 1, wherein the key points are a deformation region and a crack region, and removing concrete in the deformation region and the crack region to form a reinforcing groove 2 and a connecting groove 3;
step two: preparing a reinforcing material; selecting a first reinforcing bolt and a second reinforcing bolt 6 according to the specifications of the reinforcing groove 2 and the connecting groove 3; according to the specification of the floor slab and the specification of the reinforcing groove 2 and the connecting groove 3, a first reinforcing bolt 5, a second reinforcing bolt 6, a reinforcing rib 9 and a sealing plate 4 with proper sizes are selected, and the proportion of original concrete is detected, so that subsequent grouting is facilitated;
step three: installing a reinforcing bolt; a second reinforcing bolt 6 is in threaded connection with a proper position on the side wall of the connecting groove 3; a first reinforcing bolt 5 is arranged at the bottom end of the connecting groove 3, and a connecting wire 7 is connected to a second reinforcing bolt 6; installing a second reinforcing bolt 6 and a first reinforcing bolt 5, and connecting the second reinforcing bolt and the first reinforcing bolt through a connecting wire 7 to ensure that the bolts cannot be loosened;
step four: tensioning the connecting wire 7; tightening a connecting line 7 between the first and second reinforcement bolts 5 and 6; then screwing the second reinforcing bolt 6 again, welding the first reinforcing bolt 5 with the steel bar 8, and welding a reinforcing rib 9 between the second reinforcing bolt 6 and the steel bar 8; the connecting wire 7 is tightly twisted through the adjusting rod 17 rotated by the positioning component, so that the connecting wire 7 bears the tension; then, the first reinforcing bolt 5 and the second reinforcing bolt 6 are respectively welded and fixed with the reinforcing steel bar 8, so that the strength and the stability are improved;
step five: installing a closing plate 4; mounting a closing plate 4 at the bottom end of the reinforcing groove 2, and completely closing the connecting groove 3; adjusting the position of the positioning block 26, then plugging the inlet of the connecting groove 3 through the closing plate 4, tightly clamping the first reinforcing bolt 5, and then screwing the third reinforcing bolt 25;
step six: grouting and maintaining; injecting the adjusted concrete grout into the grouting holes 10 of the sealing plate 4, and curing according to requirements; and after the strength of the concrete slurry meets the requirement, grouting the connecting groove 3 to be level with the original floor 1 and maintaining.
Example two:
referring to fig. 7, the present embodiment is different from the first embodiment in that the present embodiment is directed to a crack or an opening penetrating through the original floor slab 1;
in the embodiment, when the floor is used, a crack area of the original floor slab 1 needs to be removed to form a reinforcing hole 27; the upper end and the lower end of the reinforcing hole 27 are respectively provided with a reinforcing groove 2; a reinforcing frame 28 of a type 21274is fixedly connected with the edge of the reinforcing hole 27, the reinforcing frame 28 is clamped at the edge of the reinforcing hole 27 and is fixed with the original floor plate 1 through a fourth reinforcing bolt 29 penetrating through the reinforcing frame 28; the reinforcing steel bars 8 in the original floor slab 1 penetrate through the side walls of the reinforcing frame 28 and are welded and fixed with the reinforcing steel bars.
A reinforcing cage 30 bound by steel bars is embedded in the reinforcing hole 27, and the outer edge of the reinforcing cage 30 is welded and fixed with the reinforcing frame 28; the upper end and the lower end of the reinforcing hole 27 are respectively blocked with a closing plate 4, and the closing plate 4 is installed with a reinforcing frame 28 through a fifth reinforcing bolt 31; the upper end of the sealing plate 4 is provided with a ventilation hole 32, and the lower end of the sealing plate 4 is provided with a grouting hole 10; the vibrator 33 is suspended in the reinforcement cage 30, and the top end of the vibrator 33 is suspended in the ventilation hole 32, and the vibrator 33 can move in and out of the ventilation hole 32.
During construction, firstly, the reinforcing holes 27 are formed, then the reinforcing grooves 2 are formed on two sides of the reinforcing holes 27, appropriate reinforcing frames 28 are selected to be fixed on the periphery of the reinforcing holes 27, reinforcing cages 30 are bound according to the reinforcing holes 27, and then welding is firm; mounting the upper and lower sealing plates 4, and placing and fixing a vibrator 33 from the ventilating hole 32; starting the vibrator 33, pouring concrete grout from the grouting hole 10, uniformly vibrating the concrete grout until the concrete grout emerges from the ventilating hole 32, taking out the vibrator 33, plugging the ventilating hole 32, and curing the concrete; and filling the reinforcing groove 2 again after the concrete reaches the preset strength, and finishing the reinforcement. The embodiment is mainly used for severe deformation and cracks penetrating up and down, and compared with the embodiment which can only reinforce small deformation and cracks, the embodiment can be used for reinforcing large deformation and cracks and has higher applicability.
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", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements 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 embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims (9)

1. The utility model provides a concrete floor reinforced structure which characterized in that: the floor comprises a reinforcing groove (2) formed in the bottom end of a position to be reinforced of an original floor (1), a connecting groove (3) is formed in the top end of the reinforcing groove (2), and a reinforcing structure is installed in the connecting groove (3);
the reinforcing structure comprises a sealing plate (4) fixedly connected to the bottom end of the reinforcing groove (2), a first reinforcing bolt (5) penetrates through the sealing plate (4), and the top end of the first reinforcing bolt (5) is screwed into the top end of the connecting groove (3); the side wall of the connecting groove (3) is in threaded connection with a plurality of second reinforcing bolts (6), and connecting lines (7) are fixedly connected between nuts of the second reinforcing bolts (6) and the side wall in the first reinforcing bolt (5);
the first reinforcing bolt (5) is welded and fixed with a steel bar (8) in the original floor slab (1); reinforcing ribs (9) are fixedly connected between the second reinforcing bolts (6) and the reinforcing steel bars (8);
the sealing plate (4) is provided with a grouting hole (10) in a penetrating mode, a ventilation assembly is arranged in the first reinforcing bolt (5), one end of the ventilation assembly is communicated with the outside, and the other end of the ventilation assembly is communicated with the bottom of the connecting groove (3).
2. The concrete floor reinforcing structure of claim 1, wherein: the ventilation assembly comprises a positioning plate (11) fixedly connected to the side wall of the first reinforcing bolt (5), and the top end of the positioning plate (11) is abutted to the top end of the connecting groove (3); a plurality of vent holes (12) are formed in the side wall of the first reinforcing bolt (5), and the vent holes (12) are located on one side, away from the bottom end of the connecting groove (3), of the positioning plate (11); a plurality of air guide holes (13) which are arranged corresponding to the air vent holes (12) are formed in the longitudinal direction of the side wall of the first reinforcing bolt (5), and the air vent holes (12) are communicated with the air guide holes (13); one end of the air guide hole (13) far away from the air vent hole (12) extends out of the sealing plate (4).
3. The concrete floor reinforcing structure of claim 2, wherein: and a dense-mesh filter screen (14) is embedded in the vent hole (12).
4. The concrete floor reinforcing structure of claim 1, wherein: a nut cap of the first reinforcing bolt (5) is internally provided with a abdicating groove (15), and the bottom end of the abdicating groove (15) is provided with a connecting hole (16); an adjusting rod (17) is rotatably connected in the connecting hole (16), one end of the adjusting rod (17) extends out of the connecting hole (16) and is fixedly connected with a positioning assembly, the other end of the adjusting rod (17) is fixedly sleeved with a bobbin (18), and the connecting wire (7) is wound on the bobbin (18); the side wall of the connecting hole (16) is provided with a plurality of wire outlet holes (19) which are arranged corresponding to the second reinforcing bolts (6) in a penetrating mode, and the connecting wire (7) extends out of the connecting hole (16) through the wire outlet holes (19).
5. The concrete floor reinforcing structure of claim 4, wherein: the second reinforcement bolt (6) is perpendicular to the first reinforcement bolt (5), and the nut of the second reinforcement bolt (6) faces the first reinforcement bolt (5); the rigid coupling has first go-between (20) on the nut of second reinforcing bolt (6), can dismantle on first go-between (20) and be connected with second go-between (21), second go-between (21) are kept away from the one end rotation of first go-between (20) is connected with connector (22), connector (22) with connecting wire (7) rigid coupling.
6. The concrete floor reinforcing structure of claim 4, wherein: the positioning assembly comprises a ratchet wheel (23) which is rotatably connected in the abdicating groove (15), and one end of the ratchet wheel (23) is fixedly connected with the adjusting rod (17); a pawl (24) is abutted to the outer wall of the ratchet wheel (23), and the pawl (24) is in limit contact with the ratchet wheel (23); the end face, far away from the connecting rod, of the ratchet wheel (23) is provided with a tool groove convenient to screw.
7. The concrete floor reinforcing structure of claim 1, wherein: the edge of the sealing plate (4) is rotatably connected with a plurality of third reinforcing bolts (25), and the third reinforcing bolts (25) are screwed into the original floor slab (1).
8. The concrete floor reinforcing structure of claim 1, wherein: concrete slurry is backfilled in the connecting groove (3) and the reinforcing groove (2).
9. A concrete floor reinforcement construction method using the concrete floor reinforcement structure of any one of claims 1 to 8, comprising the steps of:
the method comprises the following steps: positioning a reinforcement position; positioning the position of an original floor (1) to be reinforced and arranging a reinforcing groove (2) and a connecting groove (3);
step two: preparing a reinforcing material; selecting a first reinforcing bolt (5) and a second reinforcing bolt (6) according to the specifications of the reinforcing groove (2) and the connecting groove (3);
step three: installing a reinforcing bolt; the side wall of the connecting groove (3) is in threaded connection with a second reinforcing bolt (6) at a proper position; a first reinforcing bolt (5) is arranged at the bottom end of the connecting groove (3), and a connecting wire (7) is connected to a second reinforcing bolt (6);
step four: tensioning the connecting line (7); tightening a connecting line (7) between the first reinforcing bolt (5) and the second reinforcing bolt (6); then screwing the second reinforcing bolt (6) again, welding the first reinforcing bolt (5) with the steel bar (8), and welding a reinforcing rib (9) between the second reinforcing bolt (6) and the steel bar (8);
step five: installing a closing plate (4); mounting a sealing plate (4) at the bottom end of the reinforcing groove (2) and completely sealing the connecting groove (3);
step six: grouting and maintaining; injecting the adjusted concrete grout into the grouting holes (10) of the sealing plate (4), and curing according to requirements; and after the strength of the concrete slurry meets the requirement, grouting the connecting groove (3) to be level with the original floor (1) and maintaining.
CN202211284544.6A 2022-10-17 2022-10-17 Concrete floor reinforcing structure and construction method Active CN115596238B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07217226A (en) * 1994-02-01 1995-08-15 Kajima Corp Reinforcing method for reinforced concrete floor slab
US20040206032A1 (en) * 2002-03-06 2004-10-21 Messenger Harold G Concrete building panel with a low density core and carbon fiber and steel reinforcement
CN207685692U (en) * 2017-10-31 2018-08-03 许尚 A kind of road and bridge crack ruggedized construction
CN208310276U (en) * 2018-02-06 2019-01-01 厦门防水博士建筑工程有限公司 A kind of concrete floor cracking percolating water repairerment system
CN210947337U (en) * 2019-09-26 2020-07-07 江苏润特建筑科技有限公司 Precast floor slab reinforcing structure
CN113250487A (en) * 2021-06-10 2021-08-13 中建七局第四建筑有限公司 Reinforced structure for concrete floor cracks and construction method thereof
CN217270264U (en) * 2022-03-25 2022-08-23 刘见 Hollow anchor rod grouting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07217226A (en) * 1994-02-01 1995-08-15 Kajima Corp Reinforcing method for reinforced concrete floor slab
US20040206032A1 (en) * 2002-03-06 2004-10-21 Messenger Harold G Concrete building panel with a low density core and carbon fiber and steel reinforcement
CN207685692U (en) * 2017-10-31 2018-08-03 许尚 A kind of road and bridge crack ruggedized construction
CN208310276U (en) * 2018-02-06 2019-01-01 厦门防水博士建筑工程有限公司 A kind of concrete floor cracking percolating water repairerment system
CN210947337U (en) * 2019-09-26 2020-07-07 江苏润特建筑科技有限公司 Precast floor slab reinforcing structure
CN113250487A (en) * 2021-06-10 2021-08-13 中建七局第四建筑有限公司 Reinforced structure for concrete floor cracks and construction method thereof
CN217270264U (en) * 2022-03-25 2022-08-23 刘见 Hollow anchor rod grouting device

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