CN110700121B - Road and bridge crack repairing and fixing structure - Google Patents
Road and bridge crack repairing and fixing structure Download PDFInfo
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- CN110700121B CN110700121B CN201910828642.3A CN201910828642A CN110700121B CN 110700121 B CN110700121 B CN 110700121B CN 201910828642 A CN201910828642 A CN 201910828642A CN 110700121 B CN110700121 B CN 110700121B
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- caulking groove
- fixing
- main body
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/096—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a road and bridge crack repairing and fixing structure, and particularly relates to the field of road and bridge construction. According to the invention, the grouting sealing layer is manufactured by the grouting piece, the grouting liquid of the epoxy resin material is injected into the material storage cavity of the grouting piece, and then the grouting liquid is guided to the crack body position and the grouting sealing layer formed at the inner wall of the first caulking groove through the grout distributing hole, so that the formed grouting sealing layer has good bonding performance with old concrete according to low heat release, small contractibility and excellent adhesion to the concrete after the epoxy resin material is hardened, the crack body cannot be hardened to cause secondary crack amplification, and the problem of water seepage or water reverse seepage at the crack can be effectively solved.
Description
Technical Field
The invention relates to the technical field of road and bridge construction, in particular to a fixing structure for repairing cracks of a road and bridge.
Background
The road and bridge generally consists of a plurality of parts such as a roadbed, a road surface, a bridge, a tunnel engineering facility, a traffic engineering facility and the like. In the roadbed engineering, the roadbed is a linear structure constructed by soil or stones. The road surface bearing device bears the self weight of rock and soil, the gravity of the road surface and the driving load transmitted by the road surface, and is an important component of the whole road structure. The highway subgrade mainly comprises a road matrix, a side slope, a side ditch, other accessory facilities and the like; the road surface is a layered structure which is made up by using various road-building materials or mixed materials and is layered on the road bed for running of automobile. The function of the device is to ensure that the automobile can run on the road all weather, stably, at high speed, comfortably, safely and economically; bridge-tunnel engineering, which is an important component of a high-grade highway and comprises bridges, culverts, channels, tunnels and the like.
Road surface is impaired most easily among the road and bridge, because the crack is very easily produced to multiple reason, the cracked life that not only reduces road and bridge in addition, still can influence the road bed because the infiltration of rainwater, cracked restoration is accomplished through simple filled concrete to current road surface repair technique, the duration that this kind of mode acted on is short, can not avoid cracked expansion fundamentally, and water-proof effects is very poor moreover, the inefficiency of repair, crack department asphalt concrete strips appears easily, thereby the secondary forms the crack. In addition, the problem of water seepage or reverse water seepage at the crack of the repaired part is basically repaired by adopting a mode of adding a plugging king or common portland cement and a waterproof additive, but the crack of the crack is possibly amplified due to larger contraction and expansion coefficients, so that the sealing effect is lower, and the expected repairing effect cannot be achieved.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a fixing structure for repairing cracks of a road and bridge, the problem of crack expansion at the cracked part is effectively solved through a grouting sealing layer formed after hardening of an epoxy resin material, the problem of water seepage is simultaneously ensured on the premise of a repairing effect, and a better effect is achieved.
In order to achieve the purpose, the invention provides the following technical scheme: a fixing structure for repairing cracks of a road bridge comprises a bridge main body and grouting pieces, wherein a crack body is arranged in the bridge main body, a first caulking groove is formed in the position, close to the crack body, of the bridge main body, a second caulking groove is formed in the top of the first caulking groove, a grouting sealing layer is arranged between the first caulking groove and the crack body, fixing pieces are arranged on the inner walls of the periphery of the first caulking groove, fixing nets are arranged among the four fixing pieces, a caulking layer is arranged between the first caulking groove and the fixing nets, a plurality of positioning columns are arranged at the top ends of the caulking layers, and a shaping layer is arranged between the second caulking groove and the positioning columns;
the grouting part comprises a main body shell, a material storage cavity is arranged in the main body shell, a forming groove is formed in the outer wall of the main body shell, and slurry distributing holes are formed between two sides of the material storage cavity and the forming groove;
the mounting includes main part frame and staple, main part frame both ends all are equipped with the fixed orifices with the staple junction, main part frame one side is equipped with a plurality of solid fixed rings, gu fixed ring and main part frame fixed connection.
In a preferred embodiment, the first caulking groove is provided with an inverted isosceles triangle cross section, the second caulking groove is provided with a rectangle cross section, the top opening of the first caulking groove is connected with the second caulking groove, and the first caulking groove and the second caulking groove are both arranged corresponding to the position of the crack body.
In a preferred embodiment, the caulking layer is pour by C45 concrete material with the design layer and is formed, many the reference column all sets up to phi 8 model reinforcing bar, the reference column top sets up in the design in situ portion, the reference column bottom sets up in the caulking in situ portion.
In a preferred embodiment, the grouting sealing layer is made of an epoxy resin material, and the fixing net is provided as a steel fiber net.
In a preferred embodiment, the fixing holes longitudinally penetrate through the main body frame, the fixing holes are matched with the fixing nails, and the fixing rings and the fixing net are fixed through binding wires.
In a preferred embodiment, the number of the slurry distributing holes is set to be a plurality, and the slurry distributing holes are uniformly distributed and connected with the forming groove through the main body shell.
In a preferred embodiment, the cross-sectional shape of the main body shell is provided in a V shape, and the main body shell is adapted to the first caulking groove.
The invention also comprises a processing method of the road and bridge crack repairing and fixing structure, which comprises the following specific processing steps:
s1, slotting: forming a first caulking groove at the crack position of the bridge main body, processing a top plate of the first caulking groove into the shape of a second caulking groove, cleaning the top plate by using clear water, and removing residual concrete and other debris;
s2, grouting and sealing: placing the grouting piece into the first caulking groove formed in the step S1, enabling two side walls of the main body shell to be attached to the inner wall of the first caulking groove, adding epoxy resin from an opening formed in the top end of the material storage cavity, enabling the epoxy resin to seep into a cavity formed by the forming groove and the first caulking groove through the position of the slurry separation hole, then seeping into the position of the crack body, taking out the main body shell after standing for a period of time, and hardening the epoxy resin material to be injected to form a grouting sealing layer;
s3, preparing a round of pouring: fixing the main body frame by using fixing nails at the same height on the side walls of the periphery of the middle upper part of the first caulking groove through fixing holes, and then fixing the position of the fixing net and the fixing piece by using binding wires through a fixing ring;
s4, pouring a caulking layer: c45 concrete is injected into the caulking layer, and the using amount of the C45 concrete is 0.5-1cm lower than the depth of the first caulking groove;
s5, preparing for two-round pouring: uniformly inserting positioning columns at the top ends of the concrete layers injected in the step S4, and waiting for 24-48h for the concrete poured to be cured and formed into caulking layers;
s6, pouring a shaping layer: pouring concrete into the second caulking groove, and curing the concrete;
s7, repairing: and (6) polishing the top surface of the sizing layer formed in the step (S6) to ensure that the top surface of the sizing layer and the bridge main body keep the same horizontal line.
The invention has the technical effects and advantages that:
1. according to the invention, the grouting sealing layer is manufactured by the grouting piece, the grouting liquid of the epoxy resin material is injected into the material storage cavity of the grouting piece, and then the grouting liquid is guided to the crack body position and the grouting sealing layer formed at the inner wall of the first caulking groove through the grout distributing hole, so that the formed grouting sealing layer has good bonding performance with old concrete according to low heat release, small contractibility and excellent adhesion to the concrete after the epoxy resin material is hardened, and the crack body cannot be hardened to cause secondary crack amplification, and the problem of water seepage or reverse water seepage at the crack can be effectively solved, thereby ensuring the repairing effect;
2. according to the invention, through the layered pouring of the caulking layer and the shaping layer, the connection between the caulking layer and the inner wall of the first caulking groove can be firmer by the main body frame and the fixing net, the transverse shearing stress of the connecting position of the caulking layer and the shaping layer can be enhanced by the positioning column, the firmness of the connecting position is ensured, the influence of volume expansion caused by integral pouring can be avoided by the layered pouring, the caulking layer is poured firstly, the top of the caulking layer can generate certain volume expansion, and then the shaping layer is used for repairing the second caulking groove.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention.
FIG. 3 is a structural diagram of the bridge main body according to the present invention in a grouting sealing layer state.
Fig. 4 is a schematic structural diagram of the grouting member of the invention.
FIG. 5 is a schematic view of a ready-to-manufacture caulking layer structure according to the present invention.
FIG. 6 is a schematic diagram of a ready-state structure for forming a patterned layer according to the present invention.
Fig. 7 is a schematic view of the fixing member of the present invention.
The reference signs are: the concrete grouting material comprises a bridge main body 1, a grouting part 2, a main body shell 21, a material storage cavity 22, a forming groove 23, a grout distribution hole 24, a crack main body 3, a first caulking groove 4, a second caulking groove 5, a grouting sealing layer 6, a fixing part 7, a main body frame 71, fixing nails 72, fixing holes 73, fixing rings 74, a fixing net 8, a caulking layer 9, positioning columns 10 and a shaping layer 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a road and bridge crack repairing and fixing structure which comprises a bridge main body 1 and a grouting piece 2, wherein a crack main body 3 is arranged in the bridge main body 1, a first caulking groove 4 is arranged at a position, close to the crack main body 3, of the bridge main body 1, a second caulking groove 5 is arranged at the top of the first caulking groove 4, a grouting sealing layer 6 is arranged between the first caulking groove 4 and the crack main body 3, fixing pieces 7 are arranged on the inner wall of the periphery of the first caulking groove 4, a fixing net 8 is arranged among the four fixing pieces 7, a caulking layer 9 is arranged between the first caulking groove 4 and the fixing net 8, a plurality of positioning columns 10 are arranged at the top end of the caulking layer 9, a shaping layer 11 is arranged between the second caulking groove 5 and the positioning columns 10, the grouting piece 2 comprises a main body shell 21, a material storage cavity 22 is arranged in the main body shell 21, a shaping groove 23 is arranged on the outer wall of the main body shell 21, the grout distributing holes 24 are formed between the two sides of the material storage cavity 22 and the forming groove 23, the fixing piece 7 comprises a main body frame 71 and fixing nails 72, fixing holes 73 are formed in the joints of the two ends of the main body frame 71 and the fixing nails 72, a plurality of fixing rings 74 are arranged on one side of the main body frame 71, the fixing rings 74 are fixedly connected with the main body frame 71, the cross section of the first caulking groove 4 is in an inverted isosceles triangle shape, the cross section of the second caulking groove 5 is in a rectangular shape, the top end opening of the first caulking groove 4 is connected with the second caulking groove 5, the first caulking groove 4 and the second caulking groove 5 are both arranged corresponding to the position of the crack body 3, the caulking layer 9 and the forming layer 11 are both made of C45 concrete material, a plurality of the positioning columns 10 are all in phi 8 types, the top ends of the positioning columns 10 are arranged inside the forming layer 11, the bottom ends of the positioning columns 10 are arranged inside the caulking layers 9, the grouting sealing layer 6 is made of epoxy resin materials, the fixing net 8 is made of steel fiber nets, the fixing holes 73 longitudinally penetrate through the main body frame 71, the fixing holes 73 are matched with the fixing nails 72, the fixing rings 74 and the fixing net 8 are fixed through binding wires, the number of the pulp distribution holes 24 is multiple, the pulp distribution holes 24 are evenly distributed and penetrate through the main body shell 21 to be connected with the forming groove 23, the cross section of the main body shell 21 is V-shaped, and the main body shell 21 is matched with the first caulking groove 4.
As shown in fig. 1 to 7, the embodiment specifically is as follows: placing a grouting piece 2 into a first caulking groove 4, injecting grouting liquid of epoxy resin materials into a material storage cavity 22 of the grouting piece 2, then leading the grouting liquid to a crack body 3 position and a grouting sealing layer 6 formed at the inner wall of the first caulking groove 4 through a grout distributing hole 24, ensuring that the formed grouting sealing layer 6 has good bonding performance with old concrete and cannot cause secondary crack amplification of the crack body 3 due to hardening according to low heat release and small contractibility after the hardening of the epoxy resin materials and excellent bonding force to the concrete, effectively solving the problem of water seepage or water reverse seepage at the crack, fixing a main body frame 71 to the inner wall of the first caulking groove 4 by using a fixing nail 72 before pouring a caulking layer 9, fixing a fixing net 8 to a fixing ring 74 position, ensuring that the connection between the poured caulking layer 9 and the inner wall of the first caulking groove 4 is firmer, and arranging a positioning column 10 between the caulking layer 9 and a shaping layer 11, can strengthen the transversal shear atress of filleting layer 9 and the 11 hookup location in design layer, guarantee the fastness of filleting layer 9 and the 11 junctions in design layer, and filleting layer 9 is pour with the layering of design layer 11, can avoid the volume expansion influence that integrative pouring brought, pour filleting layer 9 earlier, its top can produce certain volume expansion, repair second filleting groove 5 by design layer 11 again, because of second filleting groove 5 uses the cement volume less, the volume expansion range of production is less, make things convenient for the restoration in later stage, it is more smooth and easy to make the face after the restoration, can not produce the sense of jolting.
The invention also comprises a processing method of the road and bridge crack repairing and fixing structure, which comprises the following specific processing steps:
s1, slotting: a first caulking groove 4 is formed in the crack position of the bridge main body 1, the top plate of the first caulking groove 4 is processed into the shape of a second caulking groove 5, and the second caulking groove is cleaned by clear water to remove residual concrete and other debris;
s2, grouting and sealing: placing the grouting piece 2 into the first caulking groove 4 formed in the step S1, enabling two side walls of the main body shell 21 to be attached to the inner wall of the first caulking groove 4, adding epoxy resin through an opening formed in the top end of the material storage cavity 22, enabling the epoxy resin to seep into a cavity formed by the forming groove 23 and the first caulking groove 4 through the position of the slurry distributing hole 24, then seeping into the position of the crack body 3, taking out the main body shell 21 after standing for a period of time, and hardening epoxy resin materials to be injected to form a grouting sealing layer 6;
s3, preparing a round of pouring: fixing the main body frame 71 at the same height on the side wall of the upper part of the middle part of the first caulking groove 4 by using a fixing nail 72 through a fixing hole 73, and then fixing the position of the fixing net 8 and the fixing piece 7 by using a binding wire through a fixing ring 74;
s4, pouring a caulking layer 9: c45 concrete is injected into the caulking layer 9, and the using amount of the C45 concrete is 0.5-1cm lower than the depth of the first caulking groove 4;
s5, preparing for two-round pouring: uniformly inserting positioning columns 10 at the top ends of the concrete layers injected in the step S4, and waiting for 24-48h for the concrete poured to be cured and formed into caulking layers 9;
s6, pouring a shaping layer 11: concrete is injected into the second caulking groove 5 and is cured;
s7, repairing: and (6) polishing the top surface of the sizing layer 11 formed in the step (S6) to ensure that the top surface of the sizing layer 11 and the bridge main body 1 keep the same horizontal line.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a fixed knot constructs is restoreed to road and bridge crack which characterized in that: the grouting bridge comprises a bridge main body (1) and grouting pieces (2), wherein a crack body (3) is arranged in the bridge main body (1), a first caulking groove (4) is formed in the position, close to the crack body (3), of the bridge main body (1), a second caulking groove (5) is formed in the top of the first caulking groove (4), a grouting sealing layer (6) is arranged between the first caulking groove (4) and the crack body (3), fixing pieces (7) are arranged on the inner walls of the periphery of the first caulking groove (4), a fixing net (8) is arranged between the four fixing pieces (7), a caulking layer (9) is arranged between the first caulking groove (4) and the fixing net (8), a plurality of positioning columns (10) are arranged at the top end of the caulking layer (9), and a shaping layer (11) is arranged between the second caulking groove (5) and the positioning columns (10);
the grouting piece (2) comprises a main body shell (21), a material storage cavity (22) is formed in the main body shell (21), a forming groove (23) is formed in the outer wall of the main body shell (21), and grout distributing holes (24) are formed between the two sides of the material storage cavity (22) and the forming groove (23);
fixing piece (7) are including main part frame (71) and staple (72), main part frame (71) both ends all are equipped with fixed orifices (73) with staple (72) junction, main part frame (71) one side is equipped with a plurality of solid fixed rings (74), gu fixed ring (74) and main part frame (71) fixed connection.
2. The road and bridge crack repair fixation structure of claim 1, wherein: the first caulking groove (4) cross sectional shape sets up to the type of falling isosceles triangle, second caulking groove (5) cross sectional shape sets up to the rectangle, first caulking groove (4) top end opening links to each other with second caulking groove (5), first caulking groove (4) and second caulking groove (5) all correspond the setting with crack body (3) position.
3. The road and bridge crack repair fixation structure of claim 1, wherein: caulking layer (9) and design layer (11) are pour by C45 concrete material and are formed, many reference column (10) all sets up to phi 8 model reinforcing bar, reference column (10) top sets up inside design layer (11), reference column (10) bottom sets up inside caulking layer (9).
4. The road and bridge crack repair fixation structure of claim 1, wherein: the grouting sealing layer (6) is made of epoxy resin materials, and the fixing net (8) is set to be a steel fiber net.
5. The road and bridge crack repair fixation structure of claim 1, wherein: the fixing holes (73) longitudinally penetrate through the main body frame (71), the fixing holes (73) are matched with the fixing nails (72), and the fixing rings (74) are fixed with the fixing net (8) through binding wires.
6. The road and bridge crack repair fixation structure of claim 1, wherein: the number of the pulp distribution holes (24) is set to be a plurality, and the pulp distribution holes (24) are uniformly distributed and penetrate through the main body shell (21) to be connected with the forming groove (23).
7. The road and bridge crack repair fixation structure of claim 1, wherein: the cross section of the main body shell (21) is V-shaped, and the main body shell (21) is matched with the first caulking groove (4).
8. A road and bridge crack healing and fixing structure as claimed in any one of claims 1 to 7, wherein: the method also comprises a processing method of the road and bridge crack repairing and fixing structure, and the specific processing steps are as follows:
s1, slotting: a first caulking groove (4) is formed in the crack position of the bridge main body (1), a top plate of the first caulking groove (4) is processed into the shape of a second caulking groove (5), and the top plate is cleaned by clear water to remove residual concrete and other debris;
s2, grouting and sealing: placing the grouting piece (2) into the first caulking groove (4) formed in the step S1, enabling two side walls of the main body shell (21) to be attached to the inner wall of the first caulking groove (4), adding epoxy resin from an opening formed in the top end of the material storage cavity (22), enabling the epoxy resin to seep into a cavity formed by the forming groove (23) and the first caulking groove (4) through the position of the slurry distributing hole (24), then infiltrating into the position of the crack body (3), taking out the main body shell (21) after standing for a period of time, and hardening the epoxy resin material to be injected to form a grouting sealing layer (6);
s3, preparing a round of pouring: fixing the main body frame (71) by using fixing nails (72) through fixing holes (73) at the same height of the side walls of the periphery of the middle upper part of the first caulking groove (4), and then fixing the position of the fixing net (8) and the fixing piece (7) by using binding wires through a fixing ring (74);
s4, pouring a caulking layer (9): c45 concrete is injected into the caulking layer (9), and the using amount of the C45 concrete is 0.5-1cm lower than the depth of the first caulking groove (4);
s5, preparing for two-round pouring: uniformly inserting positioning columns (10) at the top ends of the concrete layers injected in the step S4, and waiting for 24-48h for the concrete poured to be cured and formed into caulking layers (9);
s6, pouring a shaping layer (11): concrete is injected into the second caulking groove (5) and is cured;
s7, repairing: and (3) polishing the top surface of the sizing layer (11) formed in the step S6 to ensure that the top surface of the sizing layer (11) and the bridge main body (1) keep the same horizontal line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910828642.3A CN110700121B (en) | 2019-09-03 | 2019-09-03 | Road and bridge crack repairing and fixing structure |
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| CN201910828642.3A CN110700121B (en) | 2019-09-03 | 2019-09-03 | Road and bridge crack repairing and fixing structure |
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| CN110700121B true CN110700121B (en) | 2021-03-30 |
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| CN112878213B (en) * | 2021-03-30 | 2023-05-05 | 洛阳理工学院 | Self-caulking concrete bridge deck maintenance process |
| CN113579640B (en) * | 2021-07-19 | 2023-06-30 | 山西平阳重工机械有限责任公司 | Processing method of semi-closed inner cavity of high-temperature alloy material |
| CN113982300B (en) * | 2021-09-09 | 2023-03-17 | 上海建为历保科技股份有限公司 | Epoxy resin repair process for bucket arch |
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| CN110700121A (en) | 2020-01-17 |
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