CN113250487A - Reinforced structure for concrete floor cracks and construction method thereof - Google Patents
Reinforced structure for concrete floor cracks and construction method thereof Download PDFInfo
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- CN113250487A CN113250487A CN202110645590.3A CN202110645590A CN113250487A CN 113250487 A CN113250487 A CN 113250487A CN 202110645590 A CN202110645590 A CN 202110645590A CN 113250487 A CN113250487 A CN 113250487A
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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
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
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Abstract
The invention discloses a concrete floor crack reinforcing structure and a construction method thereof, wherein the concrete floor crack reinforcing structure comprises a reinforcing groove and a reinforcing rod, the reinforcing groove is a V-shaped groove which is formed by cutting and arranged on two sides of a floor crack, the bottom end of the reinforcing rod is provided with a conical head, the reinforcing rod is inserted into the reinforcing groove through the conical head, the wall of the reinforcing groove is provided with a fixing hole, a first expansion bolt is inserted into the fixing hole, the reinforcing rod is rotatably connected with a winding drum, a central shaft is arranged in the winding drum, one end of the central shaft penetrates through the side wall of the reinforcing rod and is connected with a nut, a steel wire rope is fixedly connected onto the winding drum, the side wall of the reinforcing rod is provided with a through hole, one end of the steel wire rope penetrates through the through hole and is connected with the first expansion bolt, the steel wire rope is wound up through the winding drum, and the side wall of the reinforcing groove is tensioned through the first expansion bolt. Compared with the prior art, the concrete walls on two sides of the reinforcing groove can be tensioned by arranging the steel wire rope and the first expansion bolt, so that the reinforcing effect is achieved, and the follow-up floor slab is prevented from cracking again.
Description
Technical Field
The invention relates to the technical field of concrete floor crack repair, in particular to a concrete floor crack reinforcing structure and a construction method thereof.
Background
Because the concrete has the property of expanding with heat and contracting with cold, the concrete floor slab can generate cracks on the surface of the floor slab due to the change of the external temperature after being used for a period of time, and the cracks can gradually extend towards the interior of the concrete floor slab, so that the concrete floor slab has the characteristics of long and narrow and large crack depth. Therefore, the condition of water leakage of the building is easily caused, and further potential safety hazards exist; in the prior art, water glass, cement and the like are usually injected into a crack to be filled; however, cracks are often found at the parts with large temperature difference, and the concrete floor slab may have physical structural changes again as time goes on, so that the filled cracks have secondary cracks, and need to be repaired again by constructors.
Disclosure of Invention
In order to solve the problems, the invention provides a concrete floor crack reinforcing structure, which aims to solve the problem that secondary cracking is easy to occur after the concrete floor crack is repaired in the prior art.
In order to achieve the purpose, the technical scheme of the reinforcement structure for the concrete floor cracks is as follows: the reinforcing device comprises a reinforcing groove and a reinforcing rod, wherein the reinforcing groove is a V-shaped groove which is formed by cutting and arranged at two sides of a floor slab crack, a conical head is arranged at the bottom end of the reinforcing rod, the reinforcing rod is inserted into the reinforcing groove through the conical head, a fixing hole is formed in the wall of the reinforcing groove, a first expansion bolt is inserted into the fixing hole, a winding drum is rotatably connected to the position, close to the top end, inside the reinforcing rod, a central shaft for driving the winding drum to rotate is arranged in the winding drum, the central shaft is perpendicular to the central axis of the reinforcing rod, one end of the central shaft penetrates through the side wall of the reinforcing rod and is connected with a nut, a limiting device for limiting the rotation of the central shaft is arranged on the outer side wall of the reinforcing rod, a steel wire rope is fixedly connected to the winding drum, a through hole is formed in the side wall of the reinforcing rod, and one end, and the steel wire rope is wound by rotating the winding drum, and is tensioned on the side wall of the reinforcing groove through the first expansion bolt.
Has the advantages that: after the reinforcing rod and the first expansion bolt are installed, the steel wire rope is connected with the first expansion bolt, the screw cap is rotated by using a screwdriver, the screw cap is fixedly connected with the central shaft, the winding drum is driven to rotate by the central shaft when the screw cap rotates, the steel wire rope is wound when the winding drum rotates, the length of the steel wire rope is shortened, and the length of the steel wire rope is fixed, so that two side walls of the reinforcing groove are tensioned by the first expansion bolt when the steel wire rope is wound, the position of the screw cap is fixed by a limiting device, and finally concrete is filled into the reinforcing groove to finish repairing and filling of cracks; compared with the prior art, the concrete walls on two sides of the reinforcing groove can be tensioned by arranging the steel wire rope and the first expansion bolt, so that the reinforcing effect is achieved, and the problem that cracks appear on the repaired floor slab again due to the fact that two side walls of cracks shrink due to the change of temperature in the follow-up process is avoided.
Further, stop device include fixed connection in ratchet on the nut, on the lateral wall of anchor strut in one side of ratchet is provided with the locking plate, the locking plate pass through the axis of rotation with the anchor strut rotates to be connected, just the axis of rotation cover is equipped with torque spring, torque spring including turn round the body, be located the first end, the second end of turning round the body both ends, first end with anchor strut fixed connection, the second end is located in the locking plate, the ratchet with be provided with the locking piece between the locking plate, torque spring's second end extrusion the locking plate supports and leans on when on the locking piece, the one end of locking plate is located in the tooth's socket of two adjacent teeth of a cogwheel of ratchet, in order to restrict the gyration of center pin.
Has the advantages that: when the ratchet wheel rotates, the gear teeth on the ratchet wheel jack the stop piece to enable the stop piece to rotate around the rotating end in the direction away from the gear teeth, so that the stop piece cannot block the nut from rotating; when the nut stops rotating, the stop piece can automatically rotate to the tooth grooves of the gear teeth under the action of the restoring force of the second end of the torsion spring, the stop piece cannot rotate downwards along the rotating end under the stopping of the stop block, the gear teeth form a clamp, and therefore the rotation of the nut is stopped, and as the nut cannot rotate, a central shaft fixedly connected with the nut cannot rotate, the winding drum is fixed at the position, and the tensioning state of the steel wire rope is kept.
Furthermore, the reinforcing rod is provided with a fixed pulley at the position of the through hole, the fixed pulley is fixedly connected with the reinforcing rod, and the steel wire rope is connected to the first expansion bolt through the fixed pulley.
Has the advantages that: the steel wire rope finishes the steering between the first expansion bolt and the reinforcing rod through the fixed pulley, so that the winding drum can wind the steel wire rope more smoothly, the physical consumption of constructors is reduced, and the abrasion of the steel wire rope is also reduced.
Furthermore, a sleeve is sleeved outside the first expansion bolt, the first expansion bolt penetrates through the sleeve and is inserted into the fixing hole, and one end of the steel wire rope is connected to the outer side wall of the sleeve.
Has the advantages that: because wire rope need be connected with first expansion bolts, and first expansion bolts need to twist when the installation, consequently in order to guarantee that wire rope can be connected smoothly with first expansion bolts, still need pay attention to the position of adjusting first expansion bolts when twisting first expansion bolts, and through setting up the sleeve to wear to locate first expansion bolts in the sleeve, make wire rope no longer with first expansion bolts lug connection, make directly twist when using first expansion bolts can.
Furthermore, one end, away from the winding drum, of the steel wire rope is fixedly connected with a lock catch, a hanging ring is connected to the wall of the sleeve in a sliding mode, and the steel wire rope is connected with the sleeve through the cooperation of the lock catch and the hanging ring.
Has the advantages that: after anchor strut and first expansion bolts installation are accomplished, the structure through the hasp lantern ring makes things convenient for wire rope and telescopic being connected, on the link sliding connection sleeve moreover for the link can make a round trip to slide along telescopic extending direction, and then can transfer the position of link, guarantees that link and perforation are located same horizontal plane, in order to realize wire rope and be in the level under taut state, and then increase the taut effect to strengthening the groove lateral wall.
Furthermore, a plugging groove extends outwards from the notch of the reinforcing groove, a plugging plate is covered at the notch of the reinforcing groove in the plugging groove, the plugging plate faces one side of the reinforcing groove and is provided with a containing groove used for containing the top end of the reinforcing rod, a bolt hole and a grouting hole are formed in the plugging plate, a second expansion bolt is arranged in the bolt hole, a jack matched with the bolt hole is formed in the floor slab, and the second expansion bolt penetrates through the bolt hole and the jack to fix the plugging plate on the floor slab.
Has the advantages that: the blocking groove is formed, and the blocking plate is arranged in the blocking groove, so that the blocking plate blocks the reinforcing rod on one side of the reinforcing rod, and the reinforcing rod is prevented from being separated from the reinforcing groove.
A construction method of a reinforced structure of a concrete floor crack specifically comprises the following steps:
the method comprises the following steps: determining the size of the reinforcing groove according to the size of the crack, and marking a line on the floor slab;
step two: cutting a reinforcing groove according to the mark, and cutting a fixing hole on the groove wall of the reinforcing groove;
step three: placing the expansion pipe of the first expansion bolt into the fixing hole, and screwing the bolt of the first expansion bolt into the expansion pipe;
step four: inserting the reinforcing rod into the reinforcing groove, and connecting a steel wire rope on the reinforcing rod with the first expansion bolt;
step five: screwing a nut on the reinforcing rod until the screwing torque value reaches a set value;
step six: and filling resin grout into the reinforcing grooves, compacting and smoothing the surface.
Has the advantages that: by using the construction method, the concrete walls on the two sides of the reinforcing groove can be tensioned, so that the reinforcing effect is achieved, and the phenomenon that the two side walls of the crack shrink due to the temperature change in the follow-up process to cause the repaired floor slab to have the crack again is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a concrete floor slab crack reinforcing structure;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view showing the overall structure of a reinforcing bar
FIG. 4 is an enlarged view of portion B of FIG. 1;
FIG. 5 is an enlarged view of portion C of FIG. 1;
in the figure: 1. a reinforcing rod; 2. a first expansion bolt; 3. a reel; 4. a central shaft; 5. a nut; 6. a wire rope; 7. a ratchet wheel; 8. a stopper piece; 9. a rotating shaft; 10. a rotation stopping block; 11. a fixed pulley; 12. a sleeve; 13. a plugging plate; 14. accommodating grooves; 15. grouting holes; 16. a second expansion bolt; 17. locking; 18. hanging a ring; 19. a slider; 20. a slide bar; 21. a connecting rod; 22. and (7) a floor slab.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings, wherein the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to orientations and positional relationships that are based on the orientation shown in the drawings, are used for convenience in describing the invention and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1 and 2, a concrete floor slab crack reinforcing structure includes a reinforcing groove and a reinforcing rod 1, the reinforcing groove is a V-shaped groove formed by cutting and arranged on two sides of a crack of a floor slab 22, a conical head is arranged at the bottom end of the reinforcing rod 1, threads are arranged on the periphery of the conical head, and the reinforcing rod 1 is inserted into the reinforcing groove through the conical head; the groove walls on the two sides of the reinforcing groove are provided with fixing holes extending vertically, and first expansion bolts 2 are inserted into the fixing holes; the inside position that is close to its top of anchor strut 1 rotates and is connected with reel 3, be provided with the center pin 4 that drives 3 rotations of reel in the reel 3, center pin 4 sets up along the horizontal direction, the left end of center pin 4 passes anchor strut 1's lateral wall and is connected with nut 5, cross type groove has been seted up to nut 5's terminal surface, anchor strut 1's lateral wall is provided with restriction center pin 4 pivoted stop device in one side of nut 5, fixedly connected with wire rope 6 on the reel 3, the perforation has been seted up on anchor strut 1's the lateral wall, wire rope 6's one end is passed the perforation and is connected with first expansion bolts 2.
After the reinforcing rod 1 and the first expansion bolt 2 are installed, connecting the steel wire rope 6 with the first expansion bolt 2, screwing the nut 5 by using a torsion cross-shaped screwdriver, and adjusting the cross-shaped screwdriver to a required torsion value in advance before screwing; because the nut 5 is fixedly connected with the central shaft 4, the nut 5 can drive the winding drum 3 to rotate through the central shaft 4 when rotating, the winding drum 3 can wind the steel wire rope 6 when rotating, the length of the steel wire rope 6 is shortened, because the length of the steel wire rope 6 is fixed, when the torsion cross-shaped screwdriver reaches a preset torsion value, the steel wire rope 6 can tighten two side walls of the reinforcing groove through the first expansion bolt 2, the position of the nut 5 is fixed through the limiting device, and finally, concrete is filled into the reinforcing groove to finish the repairing and filling of cracks; compared with the prior art, the concrete walls on two sides of the reinforcing groove can be tensioned by arranging the steel wire rope 6 and the first expansion bolt 2, so that the reinforcing effect is achieved, and the phenomenon that the two side walls of the crack shrink due to the change of temperature subsequently to cause the crack to appear on the repaired floor slab 22 again is avoided.
As shown in fig. 3, the limiting device includes a ratchet 7 disposed on the nut 5, gear teeth of the ratchet 7 are arranged in a whirlwind shape in a clockwise direction, a stop tab 8 is disposed on one side of the ratchet 7 on the outer side wall of the reinforcing rod 1, the stop tab 8 is rotatably connected with the reinforcing rod 1 through a rotating shaft 9, and the rotating shaft 9 is sleeved with a torsion spring, the torsion spring includes a torsion body, a first end and a second end, the first end and the second end are disposed at two ends of the torsion body, the first end is fixedly connected with the reinforcing rod 1, the second end is disposed in the stop tab 8, a rotation stop block 10 is disposed between the ratchet 7 and the stop tab 8, when the second end of the torsion spring extrudes the stop tab 8 to abut against the rotation stop block 10, one end of the stop tab 8 is disposed in tooth grooves of two adjacent gear teeth of the ratchet 7, so as to limit rotation of the central shaft 4. When the ratchet wheel 7 rotates, the gear teeth on the ratchet wheel 7 jack up the stop piece 8 to enable the stop piece 8 to rotate upwards around the rotating end, so that the stop piece cannot block the nut 5 from rotating; when the nut 5 stops rotating, the stop piece 8 automatically rotates to the tooth groove of the gear tooth under the action of the restoring force of the second end of the torsion spring, the stop piece 8 cannot rotate downwards along the rotating end under the stopping of the rotation stopping block 10, the gear tooth is clamped, so that the rotation of the nut 5 is stopped, and the central shaft 4 fixedly connected with the nut 5 cannot rotate due to the fact that the nut 5 cannot rotate, so that the winding drum 3 is fixed at the position, and the tensioning state of the steel wire rope 6 is kept.
As shown in fig. 4, in the present embodiment, a fixed pulley 11 is disposed on the inner sidewall of the reinforcing rod 1 above the through hole, the fixed pulley 11 is fixedly connected to the inner sidewall of the reinforcing rod 1, and the steel cable 6 is connected to the bottom of the drum 3 through the fixed pulley 11. The steel wire rope 6 is turned between the first expansion bolt 2 and the reinforcing rod 1 through the fixed pulley 11, so that the winding drum 3 can wind the steel wire rope 6 more smoothly, physical consumption of constructors is reduced, and abrasion of the steel wire rope 6 is reduced.
Continuing to refer to fig. 1, in this embodiment, a sleeve 12 is sleeved outside the first expansion bolt 2, a bottom wall of the sleeve 12 is attached to a groove wall of the reinforcing groove, a thread is arranged on an inner side wall of the sleeve 12, the first expansion bolt 2 penetrates through the sleeve 12 and is inserted into the fixing hole, and one end of the steel wire rope 6 is connected to an outer side wall of the sleeve 12. Because wire rope 6 need be connected with first expansion bolts 2, and first expansion bolts 2 need to twist when the installation, consequently in order to guarantee that wire rope 6 can be connected smoothly with first expansion bolts 2, still need pay attention to the position of adjusting first expansion bolts 2 when twisting first expansion bolts 2, and through setting up sleeve 12 to wear to locate first expansion bolts 2 in sleeve 12, make wire rope 6 no longer with first expansion bolts 2 lug connection, make directly twist when using first expansion bolts 2 can.
Continuing to refer to fig. 1 and fig. 2, in this embodiment, the notch of reinforcing groove outwards extends has the shutoff groove, shutoff inslot in the notch department lid of reinforcing groove is equipped with shutoff board 13, reinforcing groove offers the holding tank 14 that is used for holding 1 top of anchor strut towards one side of reinforcing groove, bolt hole and grout hole 15 have been seted up on shutoff board 13, be provided with second expansion bolts 16 in the bolt hole, set up the jack with bolt hole looks adaptation on the floor 22, second expansion bolts 16 bolt passes bolt hole and jack and is fixed in on the floor 22 with shutoff board 13. By arranging the plugging grooves and arranging the plugging plates 13 in the plugging grooves, the plugging plates 13 form a stop on one side of the reinforcing rod 1, and the reinforcing rod 1 is prevented from being separated from the reinforcing grooves.
As shown in fig. 5, in this embodiment, one end of the steel wire rope 6 is fixedly connected with a lock catch 17, a hanging ring 18 is slidably connected to the wall of the sleeve 12, specifically, a sliding block 19 is fixedly connected to one side of the hanging ring 18 close to the sleeve 12, a through hole extending vertically is formed in the sliding block 19, a sliding rod 20 is inserted into the through hole, and two ends of the sliding rod 20 are fixedly connected to the sleeve 12 through a connecting rod 21, so that the hanging ring 18 can only slide vertically but cannot slide horizontally, and the hanging ring 18 is ensured not to be separated from the sleeve 12 when the steel wire rope 6 is dragged; the steel wire rope 6 is sleeved on the hanging ring 18 through the lock catch 17 and is fixedly connected with the sleeve 12.
After reinforcing rod 1 and the installation of first expansion bolts 2 are accomplished, the structure through the hasp 17 lantern ring makes things convenient for being connected of wire rope 6 and sleeve 12, on the link 18 sliding connection sleeve 12 in addition for link 18 can make a round trip to slide along the extending direction of sleeve 12, and then can transfer the position of link 18, guarantees that link 18 and perforation are located same horizontal plane, in order to realize wire rope 6 and be in the level under taut state, and then increase the taut effect to reinforcing groove lateral wall.
In the above embodiments, the limiting device includes a ratchet wheel disposed on the nut, and the reinforcing rod is provided with a stop piece and a rotation stop block on one side of the ratchet wheel.
In the above embodiments, the fixed pulley is disposed at a position where the steel wire rope penetrates through the side wall of the reinforcing rod, and in other embodiments, the fixed pulley may not be disposed.
In the above embodiments, the sleeve is sleeved outside the first expansion bolt, and one end of the steel wire rope is connected to the outer side wall of the sleeve.
In the above embodiment, the sliding block is fixedly connected to one side of the hanging ring close to the sleeve, the sliding block is internally provided with the sliding rod in a penetrating manner, the sliding rod is fixedly connected with the sleeve, the sliding block slides up and down along the sliding rod, in other embodiments, the wall of the sleeve can be provided with the T-shaped sliding groove extending vertically, and one side of the hanging ring close to the sleeve is fixedly connected with the T-shaped sliding block matched with the T-shaped sliding groove.
A construction method of a reinforced structure of a concrete floor crack specifically comprises the following steps:
the method comprises the following steps: determining the size of the reinforcing groove according to the size of the crack, and marking a line on the floor slab;
step two: cutting a reinforcing groove according to the mark, and cutting a fixing hole on the groove wall of the reinforcing groove;
step three: firstly, placing an expansion pipe of a first expansion bolt into a fixing hole, and then screwing the bolt of the first expansion bolt into the expansion pipe;
step four: inserting the reinforcing rod into the reinforcing groove, and connecting a steel wire rope connected with the winding drum on the reinforcing rod with the first expansion bolt;
step five: screwing a nut on the reinforcing rod until the screwing torque value reaches a set value;
step six: and filling resin grouting into the reinforcing groove, and compacting and smoothing the surface after grouting is finished.
By using the construction method, the concrete walls on the two sides of the reinforcing groove can be tensioned, so that the reinforcing effect is achieved, and the phenomenon that the two side walls of the crack shrink due to the temperature change in the follow-up process to cause the repaired floor slab to have the crack again is avoided.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a concrete floor fissured reinforced structure which characterized in that: the reinforcing device comprises a reinforcing groove and a reinforcing rod, wherein the reinforcing groove is a V-shaped groove which is formed by cutting and arranged at two sides of a floor slab crack, a conical head is arranged at the bottom end of the reinforcing rod, the reinforcing rod is inserted into the reinforcing groove through the conical head, a fixing hole is formed in the wall of the reinforcing groove, a first expansion bolt is inserted into the fixing hole, a winding drum is rotatably connected to the position, close to the top end, inside the reinforcing rod, a central shaft for driving the winding drum to rotate is arranged in the winding drum, the central shaft is perpendicular to the central axis of the reinforcing rod, one end of the central shaft penetrates through the side wall of the reinforcing rod and is connected with a nut, a limiting device for limiting the rotation of the central shaft is arranged on the outer side wall of the reinforcing rod, a steel wire rope is fixedly connected to the winding drum, a through hole is formed in the side wall of the reinforcing rod, and one end of the steel wire rope penetrates through the through hole and is connected with the first expansion bolt, and the steel wire rope is wound by rotating the winding drum, and is tensioned on the side wall of the reinforcing groove through the first expansion bolt.
2. A concrete floor crack reinforcing structure as set forth in claim 1, wherein: stop device include fixed connection in ratchet on the nut, on the lateral wall of anchor strut in one side of ratchet is provided with the locking plate, the locking plate pass through the axis of rotation with the anchor strut rotates to be connected, just the axis of rotation cover is equipped with torque spring, torque spring including turn round the body, be located the first end, the second end of turning round the body both ends, first end with anchor strut fixed connection, the second end is located in the locking plate, the ratchet with be provided with the locking piece between the locking plate, torque spring's second end extrusion the locking plate supports and leans on when on the locking piece, the one end of locking plate is located in the tooth's socket of two adjacent teeth of a cogwheel of ratchet, in order to restrict the gyration of center pin.
3. A concrete floor crack reinforcing structure as set forth in claim 2, wherein: the reinforcing rod is provided with a fixed pulley at the position of the through hole, the fixed pulley is fixedly connected with the reinforcing rod, and the steel wire rope is connected to the first expansion bolt through the fixed pulley.
4. A concrete floor crack reinforcing structure as set forth in claim 3, wherein: the first expansion bolt is sleeved with a sleeve, the first expansion bolt penetrates through the sleeve and is inserted into the fixing hole, and one end of the steel wire rope is connected to the outer side wall of the sleeve.
5. A concrete floor crack reinforcement structure as set forth in claim 4, wherein: one end, deviating from the winding drum, of the steel wire rope is fixedly connected with a lock catch, a hanging ring is connected to the wall of the sleeve in a sliding mode, and the steel wire rope is connected with the sleeve through the cooperation of the lock catch and the hanging ring.
6. A concrete floor crack reinforcement structure as set forth in claim 5, wherein: the reinforcing groove is characterized in that a plugging groove extends outwards from the notch of the reinforcing groove, a plugging plate covers the notch of the reinforcing groove in the plugging groove, one side, facing the reinforcing groove, of the plugging plate is provided with a containing groove used for containing the top end of the reinforcing rod, the plugging plate is provided with a bolt hole and a grouting hole, a second expansion bolt is arranged in the bolt hole, a jack matched with the bolt hole is formed in the floor slab, and the second expansion bolt penetrates through the bolt hole and the jack to fix the plugging plate on the floor slab.
7. A construction method of a concrete floor crack reinforcing structure, characterized in that the concrete floor crack reinforcing structure is the concrete floor crack reinforcing structure of any one of claims 1 to 6, the construction method comprising the steps of:
the method comprises the following steps: determining the size of the reinforcing groove according to the size of the crack, and marking a line on the floor slab;
step two: cutting a reinforcing groove according to the mark, and cutting a fixing hole on the groove wall of the reinforcing groove;
step three: placing the expansion pipe of the first expansion bolt into the fixing hole, and screwing the bolt of the first expansion bolt into the expansion pipe;
step four: inserting the reinforcing rod into the reinforcing groove, and connecting a steel wire rope on the reinforcing rod with the first expansion bolt;
step five: screwing a nut on the reinforcing rod until the screwing torque value reaches a set value;
step six: and filling resin grout into the reinforcing grooves, compacting and smoothing the surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110645590.3A CN113250487B (en) | 2021-06-10 | 2021-06-10 | Reinforced structure for concrete floor cracks and construction method thereof |
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| CN202110645590.3A CN113250487B (en) | 2021-06-10 | 2021-06-10 | Reinforced structure for concrete floor cracks and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113685054A (en) * | 2021-08-25 | 2021-11-23 | 重庆市渝海建设(集团)有限公司 | Floor slab crack structure and processing method thereof |
| CN115596238A (en) * | 2022-10-17 | 2023-01-13 | 江苏建筑职业技术学院（Cn） | Concrete floor reinforcing structure and construction method |
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| CN213038220U (en) * | 2020-07-30 | 2021-04-23 | 洪润路桥工程有限公司 | Road and bridge crack reinforced structure |
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2021
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| US5476340A (en) * | 1994-12-21 | 1995-12-19 | Contrasto; Sam | Method of using internal metal stitching for repairing cracks in concrete |
| CN208545678U (en) * | 2018-06-30 | 2019-02-26 | 赵广建 | One kind being used for road and bridge crack reinforcement assembly |
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| CN115596238A (en) * | 2022-10-17 | 2023-01-13 | 江苏建筑职业技术学院（Cn） | Concrete floor reinforcing structure and construction method |
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| CN113250487B (en) | 2022-05-27 |
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