CN115596238B - Concrete floor reinforcing structure and construction method - Google Patents
Concrete floor reinforcing structure and construction method Download PDFInfo
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- CN115596238B CN115596238B CN202211284544.6A CN202211284544A CN115596238B CN 115596238 B CN115596238 B CN 115596238B CN 202211284544 A CN202211284544 A CN 202211284544A CN 115596238 B CN115596238 B CN 115596238B
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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
- E04G23/0237—Increasing or restoring the load-bearing capacity of building construction elements of storey floors
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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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
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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
- E04G23/0288—Repairing or restoring floor slabs
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Abstract
The invention discloses a concrete floor slab reinforcing structure and a construction method, comprising a reinforcing groove arranged at the bottom end of a position to be reinforced of an original floor slab, wherein a connecting groove is arranged at the top end of the reinforcing groove, and the reinforcing structure is arranged 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 is arranged on the sealing plate in a penetrating mode, and the top end of the first reinforcing bolt is screwed into the top end of the connecting groove through threads; the side wall of the connecting groove is connected with a plurality of second reinforcing bolts in a threaded manner, and connecting wires are fixedly connected between nuts of the second reinforcing bolts and the side wall in the first reinforcing bolts; the first reinforcing bolts are welded and fixed with the steel bars of the original floor slab; a reinforcing rib is fixedly connected between the second reinforcing bolt and the reinforcing steel bar; grouting holes are formed in the sealing plate in a penetrating mode, and ventilation assemblies are arranged in the first reinforcing bolts. The invention has the advantages of convenient construction, no extra increase of the weight of the floor, reduced load of the floor, low cost and greatly improved reinforcing effect on the floor.
Description
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 slab is a floor slab manufactured by carrying out formwork supporting, steel bar binding and concrete pouring on site according to the design position, maintaining and removing the formwork, wherein the steel bars bear tensile force, and the concrete bears compressive force, so the concrete has the characteristics of firmness, durability, good fireproof performance and low cost.
However, the problem of insufficient bearing capacity of the concrete floor sometimes occurs in the use process; sometimes, through holes are formed in the concrete floor according to construction and building requirements, so that the building requirements are met, the original structure of the concrete floor is obviously damaged, the structural strength and bearing capacity of the concrete floor are reduced, the concrete floor is required to be reinforced under the condition, the bearing capacity and stability of the concrete floor are improved, and the concrete floor is prevented from cracking or even breaking due to insufficient bearing capacity, so that the use safety and the service life of a building are influenced.
Patent CN214384065U is a concrete floor reinforcing structure by a disturbance-free pouring method, discloses a method for pouring concrete, and has the defects of poor reinforcing effect and troublesome construction; the patent CN213087502U floor slab reinforcing structure adopts a supporting method, so that the reinforcing structure has a larger influence on the space and the overall weight is also influenced; CN114687580a is an integrally-inclined wrapped stone strip floor slab reinforcing structure, and the carbon fiber reinforcing method is high in cost and cannot be used in mass production. The prior art shows existing floor slab reinforcement methods from different sides, including covering a new concrete layer, supporting a steel beam, pasting carbon fiber cloth, pasting a prestressed carbon plate, etc., but these methods have various drawbacks as described above. Therefore, there is a need to design a reinforced structure of a concrete floor slab and a construction method for solving the above technical problems.
Disclosure of Invention
The invention aims to provide a concrete floor reinforcing structure and a construction method thereof, which are used for solving the problems in the prior art.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a concrete floor slab reinforcing structure, which comprises a reinforcing groove formed in the bottom end of a position to be reinforced of an original floor slab, wherein a connecting groove is formed in the top end of the reinforcing groove, and a reinforcing structure is arranged 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 is arranged on the sealing plate in a penetrating mode, and the top end of the first reinforcing bolt is screwed into the top end of the connecting groove through threads; 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 bolts;
the first reinforcing bolts are welded and fixed with the steel bars of the original floor slab; a reinforcing rib is fixedly connected between the second reinforcing bolt and the reinforcing steel bar;
grouting holes are formed in the sealing plate in a penetrating mode, an air ventilation assembly is arranged in the first reinforcing bolt, one end of the air ventilation assembly is communicated with the outside, and the other end of the air 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 with the top end of the connecting groove; the side wall of the first reinforcing bolt is provided with a plurality of vent holes, and the vent holes are positioned at one side of the positioning plate away from the bottom end of the connecting groove; the side wall of the first reinforcing bolt is longitudinally provided with a plurality of air guide holes which are arranged corresponding to the air holes, 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 hole, extends out of the sealing plate.
Preferably, the vent holes are embedded with a dense mesh filter screen.
Preferably, a yielding groove is formed in the nut of the first reinforcing bolt, and a connecting hole is formed in the bottom end of the yielding groove; the connecting hole is rotationally connected with an adjusting rod, one end of the adjusting rod extends out of the connecting hole and is fixedly connected with a positioning assembly, the other end of the adjusting rod is sleeved and fixedly connected with a spool, 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 in a penetrating mode, the wire outlet holes are arranged corresponding to the second reinforcing bolts, and the connecting wires extend out of the connecting hole from 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 nut of second reinforcement bolt is last the rigid coupling has first go-between, 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 rotation of first go-between is connected with the connector, the connector with the connecting wire rigid coupling.
Preferably, the positioning assembly comprises a ratchet wheel rotationally connected in the yielding groove, and one end of the ratchet wheel is fixedly connected with the adjusting rod; the outer wall of the ratchet wheel is abutted with a pawl, and the pawl is in limiting 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 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, the connecting groove and the reinforcing groove are filled with concrete grout in a backfilling mode.
A concrete floor reinforcing construction method comprises the following steps:
step one: positioning and reinforcing positions; positioning the position of the original floor slab to be reinforced and forming 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; the side wall of the connecting groove is connected with a second reinforcing bolt through threads at a proper position; the bottom end of the connecting groove is provided with a first reinforcing bolt, and the connecting wire is connected to the second reinforcing bolt;
step four: tensioning the connecting wire; 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; the sealing plate is arranged at the bottom end of the reinforcing groove, and the connecting groove is completely closed;
step six: grouting and curing; injecting the regulated concrete slurry into the grouting holes of the sealing plate, and curing according to the requirement; and grouting the connecting groove into the original floor slab to be level and curing after the strength of the concrete slurry reaches the requirement.
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 original floor slab is reinforced by installing the reinforcing structure at the position to be reinforced, so that the reinforcing effect is improved; the reinforced structure comprises a first reinforced bolt and a second reinforced bolt, the first reinforced bolt is screwed into the bottom end of the connecting groove, the second reinforced bolt is screwed into the side wall of the connecting groove, the first reinforced bolt and the second reinforced bolt are respectively welded and fixed with reinforcing steel bars in the original floor slab, the first reinforced bolt and the second reinforced bolt are tensioned through connecting wires, the first reinforced bolt and the second reinforced bolt are used as anchor points, the original floor slab is connected together through the connecting wires as stress structures, damaged and corroded reinforcing steel bars are replaced, and the structural strength of the position to be reinforced is improved.
3. The invention has the advantages of convenient construction, no extra increase of the weight of the floor, reduced load of the floor, low cost and greatly improved reinforcing effect on the floor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a concrete floor slab reinforcing structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of B in FIG. 1;
FIG. 4 is an enlarged view of a portion of C in FIG. 1;
FIG. 5 is a schematic top view of the positioning assembly of the present invention;
FIG. 6 is an enlarged view of part of D in FIG. 5;
FIG. 7 is a schematic diagram of a second embodiment of the present invention;
1, a raw floor slab; 2. a reinforcing groove; 3. a connecting groove; 4. a sealing plate; 5. a first reinforcing bolt; 6. a second reinforcing bolt; 7. a connecting wire; 8. reinforcing steel bars; 9. reinforcing ribs; 10. grouting holes; 11. a positioning plate; 12. a vent hole; 13. an air guide hole; 14. a dense mesh filter screen; 15. a relief groove; 16. a connection hole; 17. an adjusting rod; 18. a spool; 19. a wire outlet hole; 20. a first connection ring; 21. a second connecting ring; 22. a connector; 23. a ratchet wheel; 24. a pawl; 25. a third reinforcing bolt; 26. a positioning block; 27. reinforcing the hole; 28. a reinforcing frame; 29. a fourth reinforcing bolt; 30. reinforcing a cage; 31. a fifth reinforcing bolt; 32. an air vent; 33. a vibrator.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Embodiment one:
referring to fig. 1-6, the invention provides a concrete floor slab reinforcing structure, which comprises a reinforcing groove 2 arranged at the bottom end of a position to be reinforced of an original floor slab 1, wherein a connecting groove 3 is arranged at the top end of the reinforcing groove 2, and the reinforcing structure is 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 is arranged on the sealing plate 4 in a penetrating manner, 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 connected with a plurality of second reinforcing bolts 6 in a threaded manner, and connecting wires 7 are fixedly connected between nuts of the second reinforcing bolts 6 and the side wall in the first reinforcing bolts 5;
the first reinforcing bolts 5 are welded and fixed with the steel bars 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;
grouting holes 10 are formed in the sealing plate 4 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.
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 slab 1 is reinforced by installing the reinforcing structure at the position to be reinforced, so that the reinforcing effect is improved; the reinforced structure comprises a first reinforced bolt 5 and a second reinforced bolt 6, wherein the first reinforced bolt 5 is screwed into the bottom end of the connecting groove 3, the second reinforced bolt 6 is screwed into the side wall of the connecting groove 3, the first reinforced bolt 5 and the second reinforced bolt 6 are respectively welded and fixed with a reinforcing steel bar 8 in the original floor slab 1, the first reinforced bolt 5 and the second reinforced bolt 6 are tensioned through a connecting wire 7, the first reinforced bolt 5 and the second reinforced bolt 6 are used as anchor points, the original floor slab 1 is connected together through the connecting wire 7 as a stressed structure, the damaged and corroded reinforcing steel bar 8 is replaced, and the structural strength of the position to be reinforced is improved.
In 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 with 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; the side wall of the first reinforcing bolt 5 is longitudinally provided with a plurality of air guide holes 13 which are arranged corresponding to the air holes 12, and the air holes 12 are communicated with the air guide holes 13; the end of the air vent 13 remote from the vent hole 12 extends out of the closure plate 4. The positioning plate 11 has the function of preventing the ventilation holes 12 from being screwed into the original floor slab 1 to prevent ventilation, and protecting the ventilation holes 12; during grouting, concrete slurry is filled from the grouting holes 10 in the sealing plate 4 and gradually rises to drive air in the connecting groove 3 upwards, and finally the concrete slurry enters the air guide holes 13 from the air holes 12 and is discharged, so that the grouting effect is prevented from being influenced by the cavity in the connecting groove 3 caused by unsmooth air discharge, and the reinforcement effect is prevented from being reduced.
Further optimizing scheme, the vent hole 12 is embedded with a dense mesh filter screen 14. The purpose of the dense mesh screen 14 is to prevent the vent hole 12 from being blocked and not exhausting, thereby preventing the grouting from being empty.
In a further optimization scheme, a yielding groove 15 is formed in a nut of the first reinforcing bolt 5, and a connecting hole 16 is formed in the bottom end of the yielding groove 15; the connecting hole 16 is rotationally connected with an adjusting rod 17, one end of the adjusting rod 17 extends out of the connecting hole 16 and is fixedly connected with a positioning component, the other end of the adjusting rod 17 is sleeved and fixedly connected with a spool 18, and the connecting wire 7 is wound on the spool 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 way, and the connecting wires 7 extend out of the connecting hole 16 from the wire outlet holes 19; the positioning component comprises a ratchet wheel 23 which is rotationally connected in the abdication 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 to screw. The design of the ratchet wheel 23 and the pawl 24 ensures that the ratchet wheel 23 can only rotate along the direction of tightening the connecting wire 7, thereby preventing the ratchet wheel from reversing to lose the strengthening effect; the adjusting rod 17 rotates to drive the spool 18 to tighten the connecting wire 7, and the connecting wire 7 bears the tensile force of the original floor slab 1, so that the reinforcing effect is improved.
Further, the connecting wire 7 is selected from, but not limited to, high-strength ropes such as steel strands, polyimide ropes, ultra-high molecular weight polyethylene ropes, polyarylate fiber ropes and the like, and has the advantages of strong tensile capacity, high corrosion resistance and long service life.
In a further preferred embodiment, the second reinforcement bolts 6 are perpendicular to the first reinforcement bolts 5, and the nuts of the second reinforcement bolts 6 face the first reinforcement bolts 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, far away from the first connecting ring 20, of the second connecting ring 21 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 serve to facilitate connection of the connection wire 7 with the second reinforcing bolt 6; the connector 22 facilitates the rotation of the second connecting ring 21 so that the connecting wire 7 does not interfere with the rotation of the second reinforcing bolt 6.
In a further optimization 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 sealing plate 4 in the reinforcing groove 2 and blocking the outlet of the connecting groove 3.
Further, the outer wall of the first reinforcement bolt 5 is in threaded connection with a positioning block 26, the positioning block 26 is located in the connecting groove 3, the bottom surface of the positioning block is in butt joint with the top surface of the sealing plate 4, and the positioning block is used for supporting a space between the sealing plate 4 and the first reinforcement bolt 5.
According to the further optimization scheme, concrete slurry is filled back in the connecting groove 3 and the reinforcing groove 2. The proportion of concrete slurry is the same as that of the original floor slab 1, and the side walls of the connecting groove 3 and the reinforcing groove 2 are subjected to roughening treatment, so that the poured concrete slurry is convenient to combine.
A concrete floor reinforcing construction method comprises the following steps:
step one: positioning and reinforcing positions; positioning the position of the original floor slab 1 to be reinforced and arranging a reinforcing groove 2 and a connecting groove 3; searching the bottom surface of the original floor slab 1 at the position to be reinforced, 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 specifications of the reinforcing groove 2 and the connecting groove 3, selecting a first reinforcing bolt 5, a second reinforcing bolt 6, a reinforcing rib 9, a sealing plate 4 with proper sizes and detecting the proportion of original concrete, so that the follow-up grouting is facilitated;
step three: installing a reinforcing bolt; the side wall of the connecting groove 3 is connected with a second reinforcing bolt 6 in a threaded manner at a proper position; the bottom end of the connecting groove 3 is provided with a first reinforcing bolt 5 and connects a connecting wire 7 to a second reinforcing bolt 6; the second reinforcing bolt 6 and the first reinforcing bolt 5 are installed and connected through the connecting wire 7, so that the loosening is avoided;
step four: tensioning the connecting wire 7; tensioning the 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 the reinforcing rib 9 between the second reinforcing bolt 6 and the steel bar 8; the connecting wire 7 is tightly twisted by rotating the adjusting rod 17 through the positioning component, so that the connecting wire 7 bears the tensile force; then the first reinforcing bolt 5 and the second reinforcing bolt 6 are respectively welded and fixed with the steel bar 8, so that the strength and the stability are improved;
step five: mounting a sealing plate 4; a sealing plate 4 is arranged at the bottom end of the reinforcing groove 2, and the connecting groove 3 is completely sealed; the position of the positioning block 26 is adjusted, then the inlet of the connecting groove 3 is blocked through the sealing plate 4, the first reinforcing bolt 5 is clamped, and then the third reinforcing bolt 25 is screwed down;
step six: grouting and curing; injecting the regulated concrete slurry into the grouting holes 10 of the sealing plate 4, and curing according to the requirement; and after the strength of the concrete grout meets the requirement, grouting the connecting groove 3 to be flush with the original floor slab 1, and curing.
Embodiment two:
referring to fig. 7, the present embodiment differs from the first embodiment in that the present embodiment is directed to a crack or opening penetrating the original floor slab 1;
in the use of the embodiment, the crack area of the original floor slab 1 needs to be removed to form a reinforcing hole 27; the upper and lower ends of the reinforcing hole 27 are respectively provided with a reinforcing groove 2; the edge of the reinforcing hole 27 is fixedly connected with a type reinforcing frame 28, and the reinforcing frame 28 is clamped at the edge of the reinforcing hole 27 and is fixed with the original floor slab 1 through a fourth reinforcing bolt 29 penetrating through the reinforcing frame 28; the steel bars 8 in the original floor slab 1 pass through the side walls of the reinforcing frame 28 and are welded and fixed with the side walls.
A reinforcement cage 30 formed by binding reinforcing steel bars is embedded in the reinforcement hole 27, and the outer edge of the reinforcement cage 30 is welded and fixed with the reinforcement frame 28; sealing plates 4 are respectively plugged at the upper end and the lower end of the reinforcing hole 27, and the sealing plates 4 are mounted with the reinforcing frame 28 through fifth reinforcing bolts 31; the upper end of the sealing plate 4 is provided with an air vent 32, and the lower end of the sealing plate 4 is provided with a grouting hole 10; a vibrator 33 is suspended in the reinforcement cage 30, the tip of the vibrator 33 is suspended in the ventilation hole 32, and the vibrator 33 can enter and exit from the ventilation hole 32.
During construction, a reinforcing hole 27 is formed, reinforcing grooves 2 are formed in two sides of the reinforcing hole 27, a proper reinforcing frame 28 is selected to be fixed on the periphery of the reinforcing hole 27, a reinforcing cage 30 is bound according to the reinforcing hole 27, and then welding is firm; the upper and lower sealing plates 4 are installed, and are put into the vibrator 33 from the ventilation holes 32 and fixed; starting a vibrator 33, pouring concrete slurry from the grouting holes 10, vibrating the concrete slurry uniformly until the concrete slurry emerges from the vent holes 32, taking out the vibrator 33, plugging the vent holes 32, and curing the concrete; and (5) filling up the reinforcing groove 2 again after the concrete reaches the preset strength, and finishing the reinforcement. Compared with the embodiment, the embodiment can strengthen small deformation and cracks, can be used for strengthening enlarged deformation and cracks and has higher applicability.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The foregoing embodiments are merely illustrative of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but various modifications and improvements made by those skilled in the art to which the present invention pertains are made without departing from the spirit of the present invention, and all changes and modifications and improvements fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. A concrete floor reinforced structure which characterized in that: the reinforced floor slab comprises a reinforced groove (2) formed in the bottom end of a position to be reinforced of a raw floor slab (1), a connecting groove (3) is formed in the top end of the reinforced groove (2), and a reinforced structure is 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) is arranged on the sealing plate (4) in a penetrating mode, and the top end of the first reinforcing bolt (5) is screwed into the top end of the connecting groove (3) through threads; the side wall of the connecting groove (3) is connected with a plurality of second reinforcing bolts (6) in a threaded manner, and connecting wires (7) are fixedly connected between nuts of the second reinforcing bolts (6) and the side wall in the first reinforcing bolts (5);
the first reinforcing bolts (5) are welded and fixed with the steel bars (8) in the original floor slab (1); a reinforcing rib (9) is fixedly connected between the second reinforcing bolt (6) and the reinforcing steel bar (8);
grouting holes (10) are formed in the sealing plate (4) 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);
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 positioned on one side, far 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 holes (12) are longitudinally arranged on the side wall of the first reinforcing bolt (5), and the air 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);
a yielding groove (15) is formed in the nut of the first reinforcing bolt (5), and a connecting hole (16) is formed in the bottom end of the yielding groove (15); an adjusting rod (17) is rotationally connected to 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, a spool (18) is fixedly sleeved at the other end of the adjusting rod (17), and the connecting wire (7) is wound on the spool (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 way, and the connecting wire (7) extends out of the connecting hole (16) from the wire outlet holes (19);
the second reinforcement bolt (6) is perpendicular to the first reinforcement bolt (5), and a nut of the second reinforcement bolt (6) faces the first reinforcement bolt (5); a first connecting ring (20) is fixedly connected to a nut of the second reinforcing bolt (6), a second connecting ring (21) is detachably connected to the first connecting ring (20), a connector (22) is rotatably connected to one end, far away from the first connecting ring (20), of the second connecting ring (21), and the connector (22) is fixedly connected with the connecting wire (7);
the positioning assembly comprises a ratchet wheel (23) rotationally connected in the yielding 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 of the ratchet wheel (23) far away from the adjusting rod (17) is provided with a tool groove convenient to screw.
2. The concrete floor reinforcing structure according to claim 1, wherein: the vent holes (12) are internally embedded with a dense mesh filter screen (14).
3. The concrete floor reinforcing structure according to claim 1, wherein: the edge of the sealing plate (4) is rotationally connected with a plurality of third reinforcing bolts (25), and the third reinforcing bolts (25) are screwed into the original floor slab (1).
4. The concrete floor reinforcing structure according to claim 1, wherein: and concrete slurry is filled back in the connecting groove (3) and the reinforcing groove (2).
5. A concrete floor reinforcing construction method using the concrete floor reinforcing structure according to any one of claims 1 to 4, characterized by comprising the steps of:
step one: positioning and reinforcing positions; positioning the position of the original floor slab (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 proper position of the side wall of the connecting groove (3) is connected with a second reinforcing bolt (6) through threads; the bottom end of the connecting groove (3) is provided with a first reinforcing bolt (5) and a connecting wire (7) is connected to a second reinforcing bolt (6);
step four: tensioning the connecting wire (7); tensioning 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 the reinforcing rib (9) between the second reinforcing bolt (6) and the steel bar (8);
step five: a mounting closing plate (4); the sealing plate (4) is arranged at the bottom end of the reinforcing groove (2), and the connecting groove (3) is completely closed;
step six: grouting and curing; injecting the regulated concrete slurry into the grouting holes (10) of the sealing plate (4), and curing according to the requirement; and grouting the connecting groove (3) to be flush with the original floor slab (1) and curing after the strength of the concrete slurry reaches the requirement.
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| CN217270264U (en) * | 2022-03-25 | 2022-08-23 | 刘见 | Hollow anchor rod grouting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2809085B2 (en) * | 1994-02-01 | 1998-10-08 | 鹿島建設株式会社 | Reinforcement method of reinforced concrete floor slab |
| US7100336B2 (en) * | 2002-03-06 | 2006-09-05 | Oldcastle Precast, Inc. | 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 |
| CN113250487B (en) * | 2021-06-10 | 2022-05-27 | 中建七局第四建筑有限公司 | Reinforced structure for concrete floor cracks and construction method thereof |
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| CN217270264U (en) * | 2022-03-25 | 2022-08-23 | 刘见 | Hollow anchor rod grouting device |
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