CN113323443A - Concrete crack repairing method applying structural reinforcement - Google Patents
Concrete crack repairing method applying structural reinforcement Download PDFInfo
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- CN113323443A CN113323443A CN202110738696.8A CN202110738696A CN113323443A CN 113323443 A CN113323443 A CN 113323443A CN 202110738696 A CN202110738696 A CN 202110738696A CN 113323443 A CN113323443 A CN 113323443A
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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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
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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Abstract
The invention discloses a concrete crack repairing method applying structural reinforcement, which comprises the following steps: cleaning cracks, namely cleaning the cracks on a concrete structure; filling joint sealing glue, and injecting the joint sealing glue into the concrete cracks; roughening the crack opening, roughening the concrete surfaces on two sides of the crack opening by using a sand blasting method, and cleaning the cleaned dust by using compressed air; bonding the connecting bottom plates, namely bonding the two connecting bottom plates to two sides of the concrete crack opening respectively and connecting the two connecting bottom plates with each other; filling the daub, and filling the daub into the bottom plate to cover the daub on the outer side of the joint sealing glue; and step six, fastening the base plates, and adjusting the distance between the two connecting base plates to be close to each other. According to the invention, the distance between the two sides of the crack can be adjusted by the prefabricated pull rod arranged between the first fixed pile and the second fixed pile, so that new cracks generated during crack repair are reduced, and the crack repair quality of the concrete structure is ensured.
Description
Technical Field
The invention relates to the technical field of construction engineering construction methods, in particular to a concrete crack repairing method applying structural reinforcement.
Background
Concrete cracks are physical structural changes of concrete structures due to the action of internal and external factors, and cracks are a main cause of reduction in bearing capacity, durability and waterproofness of concrete structures. Civil engineering and construction work is dominated by concrete structures, which inevitably have cracks due to internal and external factors, and the cracks are the main cause of the reduction of the bearing capacity, durability and waterproofness of the concrete structures. Concrete cracks generally have three states: static fractures, active fractures, developing fractures. When the crack needs to be repaired, different repairing methods need to be selected according to different states of the crack.
In a conventional two-component repairing material injection apparatus for repairing a concrete structure, a structure and a method for repairing a concrete structure are disclosed in patent publication No. CN107313603B, in which a main agent and a curing agent are sucked by a suction motion of a piston, and in this process, the main agent and the curing agent are effectively prevented from leaking to the outside, and the main agent and the curing agent can be freely moved to a crack portion of the concrete structure, and a repairing material can be easily injected at a repair site to repair the crack portion. The concrete structure body is repaired with portable two ingredient repair material injection device includes: a body frame provided with movable wheels and a handle; the first tank and the second tank are respectively carried on the vehicle body frame, and a main agent and a curing agent are respectively stored in the first tank and the second tank; a pumping unit for pumping the main agent and the curing agent stored in the first tank and the second tank, respectively; a driving unit for driving the suction unit; and an injection nozzle for injecting a repair material, which is obtained by stirring the main agent and the curing agent sucked by the suction unit, into a crack portion of the concrete structure.
According to the technical scheme, the main agent and the curing agent are driven to be mixed by different driving sources for repairing the concrete structure crack, but part of the crack is in a spreading state, so that the repairing effect on the crack is required to be adjusted at any time, the main agent and the curing agent are easy to cause temperature change at the crack in the reaction process, and the crack is rapidly subjected to temperature change at the crack, so that part of the internal structure of the concrete deforms along with the temperature, the stress of the concrete part directly contacted with the crack exceeds the standard, cracks are generated again, and the crack repairing quality on the surface of the concrete structure is influenced.
Disclosure of Invention
The invention aims to provide a concrete crack repairing method applying structural reinforcement, which can repair concrete cracks, and the arranged prestress repairing structure can adjust the space, thereby reducing new cracks generated during crack repairing and ensuring the crack repairing quality of a concrete structure.
The invention is realized by the following technical scheme:
a method of repairing a concrete crack using structural reinforcement, comprising:
cleaning cracks on a concrete structure, cleaning the concrete structure along the crack direction by using a cleaning tool, removing dirt such as dust, scum and the like on the surface and inside of the cracks, and then blowing the inside of the cracks by using compressed air to reduce the dust in the cracks;
filling joint sealing glue, injecting the joint sealing glue into the concrete crack, filling the joint sealing glue into two sides of the crack during filling, and uniformly coating the periphery of the crack;
roughening the crack opening, roughening the concrete surfaces on two sides of the crack opening by using a sand blasting method, and cleaning the cleaned dust by using compressed air;
bonding the connecting bottom plates, namely bonding the two connecting bottom plates to two sides of the concrete crack opening respectively and connecting the two connecting bottom plates with each other;
filling the daub, filling the daub into the bottom plate to cover the daub on the outer side of the joint sealing glue, and mixing the joint sealing glue and the daub in the smearing process;
and step six, fastening the base plates, adjusting a screwing mechanism on the connecting base plates, and adjusting the distance between the two connecting base plates to be close to each other to finish the repairing work of the concrete cracks.
By adopting the technical scheme, the joint sealing glue can repair concrete cracks, the distance between two sides of the cracks can be adjusted by the prefabricated pull rod arranged between the first fixed pile and the second fixed pile, new cracks generated during crack repair are reduced, and the crack repair quality of a concrete structure is ensured.
Further setting the following steps: the connecting bottom plate in the step four connecting bottom plate bonding comprises two connecting bottom plates, a first fixing pile and a second fixing pile are fixedly connected to the two connecting bottom plates respectively, a prefabricated pull rod is connected between the connecting bottom plates and the second fixing pile in a sliding mode, the end portion, close to one side of the first fixing pile, of the prefabricated pull rod is fixedly connected with an abutting edge, and a screwing mechanism used for adjusting the distance between the first fixing pile and the second fixing pile is fixedly connected to one side, far away from the first fixing pile, of the second fixing pile.
Through adopting above-mentioned technical scheme, use the mechanism of screwing to adjust the interval of first pile and second pile, make first pile and second pile when moving in opposite directions, drag crack both sides, the further extension of restriction crack to reduce the new crack that produces.
Further setting the following steps: the mechanism of screwing includes fastening ring gear and benchmark balladeur train, fastening ring gear screw cup joints and keeps away from in prefabricated pull rod and support limit form one end, benchmark balladeur train fixed connection is on the second pile, sliding connection has synchronous ratch in the benchmark balladeur train, synchronous ratch upper end is rotated and is connected with the ratchet of singly changeing, the benchmark balladeur train is kept away from fastening ring gear one side and is provided with the locating component who adjusts synchronous ratch and slide.
Through adopting above-mentioned technical scheme, when making the single ratchet that changes in the mechanism of screwing translate in the benchmark balladeur train, drive fastening ring gear can unidirectional rotation, and then rotate the tensioning to prefabricated pull rod position on the second pile, make two connection bottom plates of being connected with first pile and second pile move to being close to one side each other, make the crack mouth tighten up.
Further setting the following steps: the positioning assembly comprises a transfer worm, the transfer worm is rotationally connected to the side edge of the reference sliding frame, and the transfer worm is in threaded connection with one side, far away from the fastening toothed ring, of the synchronous toothed bar.
Through adopting above-mentioned technical scheme, when the transfer worm in locating component rotates, drive the slip of synchronous ratch to keep the synchronous ratch to remove the position in the benchmark balladeur train after, realize the rotation regulation to the fastening ring gear, and then the interval of control first pile and second pile is adjusted.
Further setting the following steps: and fifthly, the daub filled into the daub in the step five is epoxy resin daub, and the main components of the epoxy resin daub are chloroprene rubber emulsion, polyacrylate, synthetic rubber and an emulsifier.
By adopting the technical scheme, the filled cement gum is mixed with the joint sealing gum, so that after the joint sealing gum and the cement gum in the crack are fused, the condition that the connecting bottom plate falls off from two sides of the crack opening is reduced, the prefabricated pull rod is used for fastening the first fixed pile and the abutting edge, and the prefabricated pull rod is conducted to the fixation of two sides of the crack opening through the connecting bottom plate.
Further setting the following steps: two equal fixedly connected with concora crush swash plate in coupling bottom plate both sides, concora crush swash plate laminating is in coupling bottom plate limit portion setting, two the coupling bottom plate is close to mutually and has seted up the equal material mouth on the concora crush swash plate that one side is connected.
By adopting the technical scheme, the flat-pressing inclined plates cover the two sides of the connecting bottom plate, so that sundries are reduced from entering the adhesion part of the connecting bottom plate and the surface of a concrete structure, the connecting bottom plate is kept in the state of being adhered and fixed at two parts of a crack opening, and meanwhile, the joint sealing glue can penetrate through the material homogenizing opening to enter the connecting bottom plate to be mixed with cement.
Further setting the following steps: the prefabricated pull rod is arranged to be of a telescopic structure and comprises two segmentation parts, and the middle of each segmentation part is fixedly connected with a heat-shrinkable connecting rod.
Through adopting above-mentioned technical scheme, be in the shrink state after being heated at the inside pyrocondensation connecting rod between two segmentation portions of prefabricated pull rod to after crack department is heated, further taut first pile and the interval of second pile, make two connection bottom plates to the effect reinforcing of tightening up of crack mouth both sides, further restrict the production of new crack, keep the repair effect to the crack.
Further setting the following steps: both sides sideslip slide has been seted up to benchmark balladeur train inner wall, the rectangular slider of synchronous ratch both sides fixedly connected with, rectangular slider laminates and slides in the sideslip slide.
Through adopting above-mentioned technical scheme, make rectangular slider carry on spacingly to the slip of synchronous ratch in the benchmark balladeur train, keep the stability of synchronous ratch when the inside removal of benchmark balladeur train to stability effect when reinforcing synchronous ratch adjusts the fastening ring gear.
Further setting the following steps: the end part of the transfer worm is fixedly connected with an adjusting handle, and an anti-skid sleeve is sleeved on the adjusting handle.
Through adopting above-mentioned technical scheme, the staff can stimulate the rotation of adjusting the handle and adjust the rotation of transfer worm, and then control the rotation state of fastening ring gear.
Further setting the following steps: and epoxy slurry glass fiber cloth is bonded to one side of each of the two connecting bottom plates, which is far away from the first fixing pile and the second fixing pile, and is laid in the connecting bottom plates.
By adopting the technical scheme, after the joint sealing glue and the cement are mixed, the mixture flows in the epoxy slurry viscose glass fiber cloth, so that the joint sealing glue and the cement mixture can be uniformly coated between the joint bottom plate and the concrete structure, and the hardening effect of the mixture on two sides of the joint bottom plate and the crack opening is enhanced.
In conclusion, the beneficial technical effects of the invention are as follows:
the invention can realize the repair of concrete cracks by prestress pulling, and the arranged prestress repairing structure can adjust the distance, thereby reducing new cracks generated in crack repairing and ensuring the crack repairing quality of a concrete structure.
Drawings
FIG. 1 is a principal flow diagram of one embodiment of the present invention;
FIG. 2 is an elevation view of a coupling shoe portion of one embodiment of the invention, primarily intended to represent a schematic of the construction of a prefabricated tie bar;
fig. 3 is a bottom view of an embodiment of the invention, primarily intended to represent a structural schematic of the first staking portion.
Reference numerals: 1. a coupling base plate; 2. first pile fixing; 3. prefabricating a pull rod; 4. the shape of the edge is supported; 5. second pile fixing; 6. fastening a toothed ring; 7. a reference carriage; 8. a synchronous rack bar; 9. a single-turn ratchet; 10. a transfer worm; 11. sticking the epoxy slurry on the glass fiber cloth; 12. material homogenizing port; 13. a flat pressing inclined plate; 14. a heat-shrinkable connecting rod; 15. a long slide block; 16. and adjusting the handle.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the scope of the present invention and that the terms "first" and "second" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the method for repairing a concrete crack by applying structural reinforcement disclosed by the invention comprises the following steps:
cleaning cracks on a concrete structure, cleaning the concrete structure along the crack direction by using a cleaning tool, removing dirt such as dust, scum and the like on the surface and inside of the cracks, and then blowing the inside of the cracks by using compressed air to reduce the dust in the cracks;
filling joint sealing glue, injecting the joint sealing glue into the concrete crack, filling the joint sealing glue into two sides of the crack during filling, and uniformly coating the periphery of the crack;
roughening the crack opening, roughening the concrete surfaces on two sides of the crack opening by using a sand blasting method, and cleaning the cleaned dust by using compressed air;
bonding the connecting bottom plates, namely bonding the two connecting bottom plates to two sides of the concrete crack opening respectively and connecting the two connecting bottom plates with each other;
filling cement, filling the cement into the bottom plate, wherein the cement is epoxy resin cement, the main components of the epoxy resin cement are chloroprene rubber emulsion, polyacrylate, synthetic rubber and an emulsifier, and the filled cement is mixed with the joint sealing glue, so that after the joint sealing glue and the cement in the crack are fused, the occurrence of the situation that the connecting bottom plate 1 falls off from two sides of the crack opening is reduced, the prefabricated pull rod 3 fastens the first fixed pile 2 and the butt edge 4 and is conducted to the fixation of the two sides of the crack opening through the connecting bottom plate 1, the cement covers the outer side of the joint sealing glue, and in the smearing process, the joint sealing glue and the cement are mixed with each other;
and step six, fastening the base plates, adjusting a screwing mechanism on the connecting base plates, adjusting the distance between the two connecting base plates to be close to each other, completing the repairing work of the concrete crack, enabling the crack sealing glue to repair the concrete crack, and meanwhile, adjusting the distance between two sides of the crack by the prefabricated pull rod 3 arranged between the first fixing pile 2 and the second fixing pile 5, reducing new cracks generated during crack repairing, and ensuring the crack repairing quality of the concrete structure.
Referring to fig. 2, the connecting bottom plate in the step four connecting bottom plate bonding includes two connecting bottom plates 1, a first fixing pile 2 and a second fixing pile 5 are respectively and fixedly connected to the two connecting bottom plates 1, a prefabricated pull rod 3 is slidably connected between the connecting bottom plates 1 and the second fixing pile 5, an abutting edge shape 4 is fixedly connected to an end portion of the prefabricated pull rod 3 close to one side of the first fixing pile 2, a screwing mechanism for adjusting a distance between the first fixing pile 2 and the second fixing pile 5 is fixedly connected to one side of the second fixing pile 5 far from the first fixing pile 2, and the distance between the first fixing pile 2 and the second fixing pile 5 is adjusted by using the screwing mechanism, so that when the first fixing pile 2 and the second fixing pile 5 move in opposite directions, both sides of a crack are pulled, and further expansion of the crack is limited, thereby reducing new cracks.
Referring to fig. 2, the tightening mechanism includes a fastening ring 6 and a reference carriage 7, the fastening ring 6 is screwed on one end of the prefabricated pull rod 3 far away from the butt edge 4, the reference carriage 7 is fixedly connected to the second fixing pile 5, a synchronous rack bar 8 is slidably connected to the reference carriage 7, a single-turn ratchet 9 is rotatably connected to the upper end of the synchronous rack bar 8, a positioning component for adjusting the sliding of the synchronous rack bar 8 is arranged on one side of the reference carriage 7 far away from the fastening ring 6, so that when the single-turn ratchet 9 in the tightening mechanism translates in the reference carriage 7, the fastening ring 6 is driven to rotate in a single direction, and further the position of the prefabricated pull rod 3 on the second fixing pile 5 is rotated and tightened, so that the two connecting bottom plates 1 connected with the first fixing pile 2 and the second fixing pile 5 move to one side close to each other, and the crack opening is tightened.
Referring to fig. 2 and 3, the positioning assembly includes a transfer worm 10, the transfer worm 10 is rotatably connected to a side of the reference carriage 7, the transfer worm 10 is in threaded connection with a side of the synchronization rack 8 away from the fastening rack 6, when the transfer worm 10 in the positioning assembly rotates, the synchronization rack 8 is driven to slide, and the position of the synchronization rack 8 in the reference carriage 7 after moving is maintained, so as to realize rotation adjustment of the fastening rack 6, and further control adjustment of the distance between the first fixing pile 2 and the second fixing pile 5. The end part of the transfer worm 10 is fixedly connected with an adjusting handle 16, the adjusting handle 16 is sleeved with an anti-skidding sleeve, and a worker can pull the rotation of the adjusting handle 16 to adjust the rotation of the transfer worm 10 so as to control the rotation state of the fastening gear ring 6.
Referring to fig. 2, flat pressure inclined plates 13 are fixedly connected to both sides of two coupling bottom plates 1, the flat pressure inclined plates 13 are attached to the edges of the coupling bottom plates 1, and material equalizing ports 12 are formed in the flat pressure inclined plates 13 connected to the two coupling bottom plates 1 near to one side, so that the flat pressure inclined plates 13 cover both sides of the coupling bottom plates 1, and impurities are prevented from entering the adhesion positions of the coupling bottom plates 1 and the surface of a concrete structure, thereby maintaining the state that the coupling bottom plates 1 are adhered and fixed to two positions of a crack opening, and simultaneously enabling a joint sealing adhesive to pass through the material equalizing ports 12 to enter the coupling bottom plates 1 to be mixed with cement.
Prefabricated pull rod 3 sets up to scalable structure, prefabricated pull rod 3 includes two segmentation portion, two segmentation portion intermediate fixedly connected with pyrocondensation connecting rod 14, pyrocondensation connecting rod 14 between two segmentation portion inside prefabricated pull rod 3 is heated the back and is in the contraction state, thereby after being heated in crack department, further taut first certain stake 2 and the second interval of deciding stake 5, make two coupling bottom plates 1 strengthen to the effect of tightening up of crack mouth both sides, further restrict the production of new crack, keep the repair effect to the crack.
Two-side transverse moving slide ways are formed in the inner wall of the reference sliding frame 7, strip sliding blocks 15 are fixedly connected to two sides of the synchronous toothed bar 8, the strip sliding blocks 15 are attached to the inner wall of the transverse moving slide ways to slide, the strip sliding blocks 15 are enabled to limit the sliding of the synchronous toothed bar 8 in the reference sliding frame 7, the stability of the synchronous toothed bar 8 in the internal moving process of the reference sliding frame 7 is kept, and therefore the stabilizing effect of the synchronous toothed bar 8 in the adjusting process of the fastening toothed ring 6 is enhanced.
Referring to fig. 1, epoxy slurry glass fiber cloth 11 is adhered to one side of each of two connecting bottom plates 1, which is far away from a first fixing pile 2 and a second fixing pile 5, the epoxy slurry glass fiber cloth 11 is flatly laid in the connecting bottom plates 1, and after the joint sealing glue and the mortar are mixed, the mixture flows in the epoxy slurry glass fiber cloth 11, so that the mixture of the joint sealing glue and the mortar is more uniformly coated between the connecting bottom plates 1 and the concrete structure, and the hardening effect of the mixture on two sides of the connecting bottom plates 1 and the crack opening is enhanced.
The working principle and the beneficial effects of the invention are as follows:
according to the invention, the distance between the two connecting bottom plates 1 is adjusted to approach each other after the connecting bottom plates 1 at the end parts of the two first fixing piles 2 are adhered to the two sides of the concrete crack opening, so that the repairing work of the concrete crack is completed, the crack sealing glue can repair the concrete crack, and meanwhile, the prefabricated pull rod 3 arranged between the first fixing pile 2 and the second fixing pile 5 can adjust the distance between the two sides of the crack, so that new cracks generated during crack repairing are reduced, and the crack repairing quality of a concrete structure is ensured.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A concrete crack repairing method applying structure reinforcement is characterized in that: the method comprises the following steps:
cleaning cracks on a concrete structure, cleaning the concrete structure along the crack direction by using a cleaning tool, removing dirt such as dust, scum and the like on the surface and inside of the cracks, and then blowing the inside of the cracks by using compressed air to reduce the dust in the cracks;
filling joint sealing glue, injecting the joint sealing glue into the concrete crack, filling the joint sealing glue into two sides of the crack during filling, and uniformly coating the periphery of the crack;
roughening the crack opening, roughening the concrete surfaces on two sides of the crack opening by using a sand blasting method, and cleaning the cleaned dust by using compressed air;
bonding the connecting bottom plates, namely bonding the two connecting bottom plates to two sides of the concrete crack opening respectively and connecting the two connecting bottom plates with each other;
filling the daub, filling the daub into the connecting bottom plate to cover the daub on the outer side of the joint sealing glue, and mixing the joint sealing glue and the daub in the smearing process;
and step six, fastening the base plates, adjusting a screwing mechanism on the connecting base plates, and adjusting the distance between the two connecting base plates to be close to each other to finish the repairing work of the concrete cracks.
2. The method of claim 1, wherein the method comprises the steps of: the connecting bottom plate in the step four-connecting bottom plate bonding comprises two connecting bottom plates (1), a first pile (2) and a second pile (5) are fixedly connected to the two connecting bottom plates (1) respectively, a prefabricated pull rod (3) is connected between the connecting bottom plates (1) and the second pile (5) in a sliding mode, the end portion, close to one side of the first pile (2), of the prefabricated pull rod (3) is fixedly connected with a butt edge shape (4), and the side, far away from the first pile (2), of the second pile (5) is fixedly connected with a screwing mechanism used for adjusting the distance between the first pile (2) and the second pile (5).
3. The method of claim 2, wherein the method comprises the steps of: the mechanism of screwing includes fastening ring gear (6) and benchmark balladeur train (7), fastening ring gear (6) screw thread cup joints and keeps away from in prefabricated pull rod (3) and support limit form (4) one end, benchmark balladeur train (7) fixed connection is on second pile (5), sliding connection has synchronous ratch (8) in benchmark balladeur train (7), synchronous ratch (8) upper end is rotated and is connected with singly change ratchet (9), benchmark balladeur train (7) are kept away from fastening ring gear (6) one side and are provided with the locating component who adjusts synchronous ratch (8) and slide.
4. The method of claim 3, wherein the method comprises the steps of: the positioning assembly comprises a transfer worm (10), the transfer worm (10) is rotatably connected to the side edge of the reference sliding frame (7), and the transfer worm (10) is in threaded connection with one side, away from the fastening toothed ring (6), of the synchronous toothed bar (8).
5. The method of claim 1, wherein the method comprises the steps of: and fifthly, the daub filled into the daub in the step five is epoxy resin daub, and the main components of the epoxy resin daub are chloroprene rubber emulsion, polyacrylate, synthetic rubber and an emulsifier.
6. The method of claim 2, wherein the method comprises the steps of: two equal fixedly connected with concora crush swash plate (13) in connection bottom plate (1) both sides, concora crush swash plate (13) laminate in connection bottom plate (1) limit portion setting, two connection bottom plate (1) are close to concora crush swash plate (13) that one side is connected mutually and are seted up on and are equallyd divide mouth (12).
7. The method of claim 3, wherein the method comprises the steps of: prefabricated pull rod (3) set up to scalable structure, prefabricated pull rod (3) include two divide a segment portion, two divide segment portion intermediate fixedly connected with pyrocondensation connecting rod (14).
8. The method of claim 3, wherein the method comprises the steps of: both sides sideslip slide has been seted up to benchmark balladeur train (7) inner wall, synchronous ratch (8) both sides fixedly connected with rectangular slider (15), rectangular slider (15) laminate and slide in the sideslip slide.
9. The method of claim 4, wherein the method comprises the following steps: the end part of the transfer worm (10) is fixedly connected with an adjusting handle (16), and an anti-skid sleeve is sleeved on the adjusting handle (16).
10. The method of claim 2, wherein the method comprises the steps of: and epoxy slurry-bonded glass fiber cloth (11) is bonded to one side, away from the first fixed pile (2) and the second fixed pile (5), of the two connecting bottom plates (1), and the epoxy slurry-bonded glass fiber cloth (11) is tiled in the connecting bottom plates (1).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114633433A (en) * | 2022-03-23 | 2022-06-17 | 江苏南京地质工程勘察院 | Microbial fiber preparation facilities of concrete crack is restoreed in initiative |
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| CN204401432U (en) * | 2015-01-09 | 2015-06-17 | 洛阳城市建设勘察设计院有限公司 | A kind of measures of cracks on concrete pavement repairs structure |
| CN108868182A (en) * | 2018-06-11 | 2018-11-23 | 浙江华堃环保建筑构件有限公司 | A kind of concrete structure longitudinal crack method for repairing and mending |
| US20200123795A1 (en) * | 2018-06-22 | 2020-04-23 | Glenn Robinson | Expansion Forms and Associated Techniques for Repairing Concrete Damage |
| CN211058373U (en) * | 2019-10-12 | 2020-07-21 | 武汉木合石建筑科技有限公司 | Concrete crack repairing structure |
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| CN114633433A (en) * | 2022-03-23 | 2022-06-17 | 江苏南京地质工程勘察院 | Microbial fiber preparation facilities of concrete crack is restoreed in initiative |
| CN114633433B (en) * | 2022-03-23 | 2024-03-08 | 江苏南京地质工程勘察院 | Microbial fiber preparation device for actively repairing concrete cracks |
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