CN112900180A - Road repairing and maintaining construction method - Google Patents
Road repairing and maintaining construction method Download PDFInfo
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- CN112900180A CN112900180A CN202110071853.4A CN202110071853A CN112900180A CN 112900180 A CN112900180 A CN 112900180A CN 202110071853 A CN202110071853 A CN 202110071853A CN 112900180 A CN112900180 A CN 112900180A
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/147—Repairing concrete pavings, e.g. joining cracked road sections by dowels, applying a new concrete covering
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Abstract
The invention discloses a road repairing maintenance construction method, belonging to the technical field of road repairing construction, wherein a crack repairing cavity is formed by excavating and processing a crack position of a road, a plurality of embedded sinking grooves for sinking a reinforcing body are formed at the bottom of the crack repairing cavity, the reinforcing body is connected between the crack repairing cavity and a soil layer to play a role of up-down connection, a gravel layer and a precast mortar concrete plate are laid at the connection part to be beneficial to improving the reinforcement degree of the connection part, a first concrete filler is poured into the reinforcing body to form a lower concrete layer, high-strength connection among the lower end part of the reinforcing body, the gravel layer and the soil layer is realized, a second concrete filler is poured into the crack repairing cavity to form an upper concrete layer, the upper end part of the reinforcing body is arranged in the upper concrete layer to enhance the mechanical strength among the lower concrete layer, the upper concrete layer and a plurality of bodies, and a new concrete layer after pouring is difficult to be reinforced from the soil layer, The old concrete layer is cracked and separated, and the repairing and maintaining effect of the road crack is improved.
Description
Technical Field
The invention relates to the technical field of road repairing construction, in particular to a road repairing maintenance construction method.
Background
The construction of municipal roads is a very important content in urban construction, reaches all regions of a city, is used for transportation and pedestrians in the city, is convenient for resident life, work and cultural entertainment activities, and is connected with roads outside the city to bear the effect of external traffic.
The municipal roads are often damaged to cause incapacity, and the traditional repair construction mode is to cut and shovel the damaged municipal road part, and then to perform construction such as reinforcing steel bar arrangement, concrete pouring and concrete curing again on the part. The existing road pavement is easy to damage after long-time construction, and local cracks are generated, so that the strength of the damaged part can be reduced, the bearing capacity is greatly reduced, the damage can be continuously enlarged due to rainwater erosion and if the cracks are not treated, and finally the condition that the road pavement needs to be overhauled or even scrapped is caused.
Therefore, for some cracks on the road, the repair and maintenance are required in time so as to avoid the potential safety hazard caused by the expansion of the damaged surface. The existing repairing method mostly adopts the method of directly pouring concrete to the crack, and because the method is secondary pouring, the base strength and the integral strength of a poured body are poor, the standard bearing effect is difficult to achieve, and secondary cracking and separation of a newly poured concrete layer are easily caused.
Therefore, the road repairing maintenance construction method is provided for effectively solving the problems in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a road repairing maintenance construction method, a crack repairing cavity is formed by excavating and processing a crack position of a road, a plurality of embedded sinking grooves for sinking a reinforcing body are formed at the bottom of the crack repairing cavity, the reinforcing body is connected between the crack repairing cavity and a soil layer to play a role of up-and-down connection, a gravel layer and a precast mortar concrete plate are paved at the connection position to be beneficial to improving the reinforcement degree of the connection position, a first concrete filler is poured into the reinforcing body to form a lower concrete layer, high-strength connection among the lower end part of the reinforcing body, the gravel layer and the soil layer is realized, a second concrete filler is poured into the crack repairing cavity to form an upper concrete layer, the upper end part of the reinforcing body is arranged in the upper concrete layer to enhance the mechanical strength among the lower concrete layer, the upper concrete layer and the plurality of reinforcing bodies, the new concrete layer after pouring is not easy to crack and break away from the soil layer and the old concrete layer, and the repairing and maintaining effects of the road cracks are improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The road repairing maintenance construction method comprises the following steps:
s1, determining the position of the road crack, marking a repairing path along the crack cracking trend, excavating the spoiled and loosened concrete residue at the repairing path, and exposing a soil layer at the bottom of the concrete to form a crack repairing cavity;
s2, excavating a plurality of embedded sinking grooves at the bottom end part of the crack repairing cavity, sinking reinforcing bodies into the embedded sinking grooves, extending the upper end parts of the reinforcing bodies into the crack repairing cavity, and filling building gravels between the embedded sinking grooves and the reinforcing bodies to form a gravel layer, wherein the gravel layer is positioned at the bottom end part of the crack repairing cavity;
s3, embedding and installing a precast mortar concrete plate to the bottom end part of the crack repairing cavity, sleeving the precast mortar concrete plate on a plurality of reinforcing bodies, sleeving the spalling extending balls on the plurality of reinforcing bodies, and positioning the spalling extending balls at the inner side of the crack repairing cavity;
s4, connecting the reinforcing bodies through external pouring pipes, sequentially injecting concrete fillers into the plurality of reinforcing bodies, enabling the concrete fillers to overflow into the reinforcing bodies and extend towards gravel layers embedded in the sink grooves through the reinforcing bodies to form a lower concrete layer, then pouring the preheated concrete fillers into the crack repairing cavities to form an upper concrete layer, and enabling the upper end parts of the upper concrete layer to be flush with the tops of the plurality of reinforcing bodies;
and S5, sequentially paving a protective layer and a concrete surface layer on the upward concrete layer, wherein the concrete surface layer is flush with the old concrete layer of the road surface, the color of the concrete surface layer is consistent with that of the old concrete layer of the road surface, and the road repairing maintenance is completed after standard maintenance for 20-25 d.
Further, it is a plurality of inlay the interior bottom of establishing heavy groove and be the heavy chamber of globular ellipse shape, inlay the upper end of establishing heavy groove and lay the chamber for the rectangle that is linked together with the heavy chamber of globular ellipse shape, building grains of sand are laid and are laid the intracavity in the rectangle, will inlay and establish heavy groove and set to the structure of narrow on the wide down, and the bottom of reinforcement body is inserted and is located to inlay and establish heavy inslot, and the upper end of reinforcement body extends to the crack and repairs the intracavity, and after pouring, be favorable to strengthening the mechanical strength between reinforcement body and the soil horizon to make difficult concrete horizon who causes newly-pour after pouring layer upon layer crack once more from soil horizon department fracture break away from.
Furthermore, the reinforcing body comprises an embedded sinking ball embedded in the spherical oval sinking cavity, the top end of the embedded sinking ball is fixedly connected with a reinforcing steel pipe, and the upper end part of the reinforcing steel pipe extends into the crack repairing cavity.
Further, inlay and establish the setting that is linked together with reinforcing steel bar pipe that the ball sink, inlay and establish and seted up a plurality of infiltration material holes on the lateral wall of ball sink, inlay and establish the ball sink and inlay and establish the sink and establish the back mutually, lay a layer gravel layer in the rectangle that inlays that establish the sink upper end and form lays the intracavity to effectively improve and inlay the connection effect who establishes between ball sink and the soil horizon, utilize reinforcing steel bar pipe to inlaying and establishing the concrete filler in the ball sink, the concrete filler not only fills in inlaying and establishing the ball sink, still overflows through inlaying a plurality of infiltration holes of establishing on the ball sink lateral wall, under pouring pressure, the concrete filler still easily overflows in the gravel layer, has further strengthened and has inlayed the joint strength who establishes between ball sink, the gravel layer.
Furthermore, a plurality of through holes corresponding to the positions of the reinforcing steel bars are formed in the precast mortar concrete plate, a plurality of bonding holes are uniformly distributed in the upper end surface and the lower end surface of the precast mortar concrete plate, the precast mortar concrete plate is laid between the crack repairing cavity and the joint surface embedded with the sinking grooves, a second concrete packing layer is poured, the formed upper concrete layer is fixedly connected with the reinforcing steel bars and the precast mortar concrete plate, the bonding holes formed in the precast mortar concrete plate are easy to bond the upper concrete layer and the lower concrete layer, and the connection strength between the upper concrete layer and the reinforcing body is further improved.
Furthermore, the spalling extending ball comprises an inner sleeve which is fixedly sleeved on the upper end part of the reinforced steel pipe, a plurality of oval reinforcing sheets are distributed on the outer side wall of the inner sleeve in an annular mode, the upper end and the lower end of each oval reinforcing sheet are connected with the upper end and the lower end of the inner sleeve through hot melting layers, the inner ends of the oval reinforcing sheets are connected with the outer side wall of the inner sleeve through reinforcing ribs, and the oval reinforcing sheets are connected in a left-right sealing mode.
Furthermore, a plurality of the oval reinforcing pieces are all made of elastic steel sheets, fiber thorns are distributed on the inner end wall of each elastic steel sheet, the oval reinforcing pieces are in an inward bending and tightening state in an initial state, when preheated concrete filler is poured into the crack repairing cavity, the hot melting layer on the spalling extending ball is decomposed by hot melting, so that the oval reinforcing pieces are outwards turned under the elastic action of the oval reinforcing pieces, and the oval reinforcing pieces which are outwards turned and extended are connected with the upper concrete layer in a distributed embedding manner.
Furthermore, the inside of the spalling extending ball is filled with a building binder, the building binder is positioned between the oval reinforcing sheet and the inner sleeve, and in the outward overturning extending process of the oval reinforcing sheets, the building binder positioned on the inner side of the spalling extending ball overflows and diffuses in the surrounding concrete filler, so that the connection effect between the reinforcing steel pipe, the inner sleeve and the oval reinforcing sheets and the upper concrete layer is enhanced.
Furthermore, the building adhesive comprises a hot-melt capsule positioned on the outer layer, adhesive liquid is filled in the hot-melt capsule, the hot-melt layer and the hot-melt capsule are both made of hot-melt adhesive resin, and after the granular building adhesive overflows, the building adhesive is fully diffused and melted by heat in the vibration process of the concrete filler in the crack repairing cavity, so that mechanical adhesion is realized.
Furthermore, the protective layer comprises glass fiber mesh cloth laid on the upper end face of the upper concrete layer, a waterproof layer is laid on the upper end portion of the glass fiber mesh cloth, and the glass fiber mesh cloth and the waterproof layer which are located between the concrete surface layer and the upper concrete layer play a good role in water prevention and protection for the concrete layer.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme is that a crack repairing cavity is formed by excavating and processing the crack position of a road, a plurality of embedded sinking grooves for sinking a reinforcing body are formed at the bottom of the crack repairing cavity, the reinforcing body is connected between the crack repairing cavity and a soil layer to play a role of connecting up and down, a gravel layer and a precast mortar concrete plate are paved at the connecting position to be beneficial to improving the reinforcing degree of the connecting position, a first concrete filler is poured into the reinforcing body to form a lower concrete layer, high-strength connection among the lower end part of the reinforcing body, the gravel layer and the soil layer is realized, a base part is beneficial to tamping, a second concrete filler is poured into the crack repairing cavity to form an upper concrete layer, the upper end part of the reinforcing body is arranged in the upper concrete layer to enhance the mechanical strength among the lower concrete layer, the upper concrete layer and the plurality of reinforcing bodies, a new concrete layer after pouring is not easy to crack and separate from the soil layer and the old concrete layer, and the repairing and maintaining effects of the road cracks are improved.
(2) The bottom portion of establishing the heavy groove for a plurality of inlays is the heavy chamber of globular ellipse, inlay the upper end portion of establishing the heavy groove and lay the chamber for the rectangle that is linked together with the heavy chamber of globular ellipse, the intracavity is laid to the rectangle to the building sand grain, will inlay and establish the heavy groove and set to wide structure from top to bottom, the bottom of reinforcement is inserted and is located and inlays and establish the heavy inslot, the upper end portion of reinforcement extends to the crack and repairs the intracavity, after pouring, be favorable to strengthening the mechanical strength between reinforcement and the soil horizon, so that it breaks away from to be difficult for causing the concrete horizon of newly pouring to crack once more from the soil horizon after pouring layer upon layer.
(3) The reinforcing body comprises an embedded sinking ball embedded in the spherical oval sinking cavity, the top end of the embedded sinking ball is fixedly connected with a reinforcing steel pipe, the upper end part of the reinforcing steel pipe extends into the crack repairing cavity, the embedded sinking ball is communicated with the reinforcing steel pipe, the outer side wall of the embedded sinking ball is provided with a plurality of seepage holes, after the embedded sinking ball and the embedded sinking groove are embedded, a gravel layer is paved in a rectangular paving cavity formed at the upper end part of the embedded sinking groove so as to effectively improve the connection effect between the embedded sinking ball and the soil layer, concrete filler is poured into the embedded sinking ball by using the reinforcing steel pipe, the concrete filler is not only filled in the embedded sinking ball, under the pouring pressure, the plurality of penetration holes on the embedded sinking balls overflow and are filled in the gravel layer and the precast mortar concrete plate, so that the connection strength between the embedded sinking balls and the gravel layer is further enhanced.
(4) The prefabricated mortar concrete slab is provided with a plurality of through holes corresponding to the positions of the reinforcing steel bar pipes, the upper end surface and the lower end surface of the prefabricated mortar concrete slab are respectively provided with a plurality of bonding holes, the prefabricated mortar concrete slab is laid between the crack repairing cavity and the joint surface embedded with the sinking groove, a second concrete packing layer is poured, the formed upper concrete layer is fixedly connected with the reinforcing steel bar pipes and the prefabricated mortar concrete plate, the bonding holes formed in the prefabricated mortar concrete slab are easy to bond the upper concrete layer and the lower concrete layer which are vertically arranged, and the connection strength between the upper concrete layer and the reinforcing body is further improved.
(5) The spalling extending ball comprises an inner sleeve which is fixedly sleeved on the upper end part of the reinforced steel pipe, a plurality of oval reinforcing pieces are distributed on the outer side wall of the inner sleeve in an annular mode, the upper ends and the lower ends of the oval reinforcing pieces are connected with the upper end and the lower end of the inner sleeve through hot melting layers, the inner ends of the oval reinforcing pieces are connected with the outer side wall of the inner sleeve through reinforcing ribs, and the oval reinforcing pieces are connected in a left-right sealing and splicing mode.
(6) The oval reinforcing pieces are all made of elastic steel sheets, fiber spines are distributed on the inner end wall of each elastic steel sheet, the oval reinforcing pieces are in an inward bending and tightening state in an initial state, when preheated concrete filler is poured into the crack repairing cavity, a hot melting layer on the expanding and extending ball is decomposed by hot melting, so that the oval reinforcing pieces are turned outwards under the elastic action of the oval reinforcing pieces, and the oval reinforcing pieces which are turned outwards and extended are connected with the upper concrete layer in a distributed embedded mode.
(7) The building adhesive is filled in the expansion extending ball, the building adhesive is positioned between the oval reinforcing sheets and the inner sleeve, in the process that the oval reinforcing sheets are overturned outwards to extend, the building adhesive positioned on the inner side of the expansion extending ball overflows outwards and is diffused in the surrounding concrete filler, the building adhesive comprises a hot melting capsule positioned on the outer layer, the inside of the hot melting capsule is filled with adhesive liquid, the hot melting layer and the hot melting capsule are both made of hot melting adhesive resin, after the granular building adhesive overflows, in the vibrating process of the concrete filler in the crack repairing cavity, the building adhesive is fully diffused towards the periphery of the reinforcing body and is melted by heat, fixed-point hot melting bonding is realized, and the connecting effect between the reinforcing steel pipe, the oval reinforcing sheets and the upper concrete layer is enhanced.
(8) The protective layer comprises glass fiber mesh cloth laid on the upper end face of the upper concrete layer, a waterproof layer is laid on the upper end portion of the glass fiber mesh cloth, and the glass fiber mesh cloth and the waterproof layer are located between the concrete surface layer and the upper concrete layer and have good waterproof and protective effects on the concrete layer.
Drawings
FIG. 1 is a schematic view of the repairing construction of the present invention;
FIG. 2 is a schematic view of the present invention after the reinforcement body is inwardly sunk 2;
FIG. 3 is a schematic view of the present invention illustrating the sequential placement of concrete filler into a plurality of reinforcing members;
FIG. 4 is a schematic view, partially in section, of the reinforcement of the present invention;
FIG. 5 is an internal view of the present invention at a reinforcement;
FIG. 6 is a schematic view showing a plurality of oval reinforcing sheets of the reinforcement body of the present invention after being turned outwards;
fig. 7 is a schematic view illustrating a partial state of the reinforcing body of the present invention after construction.
The reference numbers in the figures illustrate:
the crack repairing device comprises a crack repairing cavity 1, a sinking groove 2, a reinforcing steel pipe 3, a sinking ball 4, a precast mortar concrete plate 5, a spalling extending ball 6, an inner sleeve 601, an oval reinforcing sheet 602, a reinforcing rib 603, a gravel layer 7, a lower concrete layer 8, an upper concrete layer 9, a glass fiber mesh cloth 10, a waterproof layer 11, a concrete surface layer 12 and a building binder 13.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, the road repairing maintenance construction method includes the following steps:
s1, determining the position of the road crack, marking a repairing path along the crack cracking trend, excavating the spoiled and loosened concrete residue at the repairing path, and exposing a soil layer at the bottom of the concrete to form a crack repairing cavity 1;
s2, excavating a plurality of embedded sinking grooves 2 at the bottom end part of the crack repairing cavity 1, sinking reinforcing bodies into the embedded sinking grooves 2, wherein the upper end parts of the reinforcing bodies extend into the crack repairing cavity 1, building gravel is filled between the embedded sinking grooves 2 and the reinforcing bodies to form a gravel layer 7, and the gravel layer 7 is positioned at the bottom end part of the crack repairing cavity 1;
s3, embedding and installing a precast mortar concrete plate 5 to the bottom end part of the crack repairing cavity 1, sleeving the precast mortar concrete plate 5 on a plurality of reinforcing bodies, sleeving the spalling extension balls 6 on the plurality of reinforcing bodies, and positioning the spalling extension balls 6 inside the crack repairing cavity 1;
s4, connecting the reinforcing bodies through external pouring pipes, sequentially injecting concrete fillers into the plurality of reinforcing bodies, enabling the concrete fillers to overflow into the reinforcing bodies and extend towards the gravel layer 7 embedded in the sink 2 through the reinforcing bodies to form a lower concrete layer 8, then pouring the preheated concrete fillers into the crack repairing cavity 1 to form an upper concrete layer 9, and enabling the upper end parts of the upper concrete layer 9 to be flush with the tops of the plurality of reinforcing bodies;
s5, sequentially paving a protective layer and a concrete surface layer 12 on the upper concrete layer 9, enabling the concrete surface layer 12 to be flush with the old concrete layer of the road surface, enabling the color of the concrete surface layer 12 to be consistent with that of the old concrete layer of the road surface, and performing standard maintenance for 20-25d to finish road repairing maintenance.
Wherein, a plurality of interior bottoms that inlay and establish heavy groove 2 are the heavy chamber of globular ellipse shape, inlay the upper end of establishing heavy groove 2 and lay the chamber for the rectangle that is linked together with the heavy chamber of globular ellipse shape, the building grains of sand are laid and are laid in the rectangle and lay the intracavity, will inlay and establish heavy groove 2 and set to the structure of narrow on the wide down, the bottom of reinforcement is inserted and is located to inlay and establish heavy groove 2 in, the upper end of reinforcement extends to in crack repair chamber 1, after pouring, be favorable to strengthening the mechanical strength between reinforcement and the soil horizon, so that pour layer upon layer, be difficult for causing newly poured concrete horizon fracture once more from soil horizon and break away from.
Referring to fig. 1-5, specifically, the reinforcing body includes an embedded sinking ball 4 embedded in a spherical oval sinking cavity, a reinforcing steel pipe 3 is fixedly connected to the top end of the embedded sinking ball 4, the upper end of the reinforcing steel pipe 3 extends into the crack repairing cavity 1, the embedded sinking ball 4 is communicated with the reinforcing steel pipe 3, a plurality of seepage holes are formed on the outer side wall of the embedded sinking ball 4, after the embedded sinking ball 4 is embedded in the embedded sinking groove 2, a gravel layer 7 is laid in a rectangular laying cavity formed at the upper end of the embedded sinking groove 2, the gravel layer 7 compresses the embedded sinking ball 4, the embedded sinking ball 4 is fastened, limited and embedded in the sinking groove 2 to effectively improve the connection effect between the embedded sinking ball 4 and the soil layer, a concrete filler is poured into the embedded sinking ball 4 by the reinforcing steel pipe 3, the concrete filler is filled in the embedded sinking ball 4, and overflows through the plurality of seepage holes on the outer side wall of the embedded sinking ball 4, under the action of pouring pressure, the concrete filler is easy to overflow into the gravel layer 7 and is connected with the bottom end part of the precast mortar concrete plate 5, so that the connection strength among the embedded sinking ball 4, the gravel layer 7 and the precast mortar concrete plate 5 is further enhanced.
The prefabricated mortar concrete plate 5 is provided with a plurality of through holes corresponding to the reinforcing steel bar pipes 3, the upper end surface and the lower end surface of the prefabricated mortar concrete plate 5 are respectively provided with a plurality of bonding holes, the prefabricated mortar concrete plate 5 is laid between the crack repairing cavity 1 and the connection surface embedded with the sinking groove 2, a second concrete packing layer is poured, the formed upper concrete layer 9 is fixedly connected with the reinforcing steel bar pipes 3 and the prefabricated mortar concrete plate 5, the bonding holes formed in the prefabricated mortar concrete plate 5 are easy to bond the upper concrete layer 9 and the lower concrete layer 8 which are vertically arranged, and the connection strength between the upper concrete layer 9 and the reinforcement body is further improved.
Referring to fig. 1 and 4-7, the spalling expanding ball 6 includes an inner sleeve 601 fixedly sleeved on the upper end of the reinforcing steel pipe 3, a plurality of elliptical reinforcing plates 602 are annularly distributed on the outer sidewall of the inner sleeve 601, the upper and lower ends of the elliptical reinforcing plates 602 are connected to the upper and lower ends of the inner sleeve 601 through a hot melting layer, the inner ends of the elliptical reinforcing plates 602 are connected to the outer sidewall of the inner sleeve 601 through a reinforcing rib 603, the elliptical reinforcing plates 602 are left and right sealed and spliced, the elliptical reinforcing plates 602 are made of an elastic steel sheet, fiber thorns are distributed on the inner sidewall of the elastic steel sheet, the elliptical reinforcing plates 602 are in an inward bending and stretching state in an initial state, when a preheated concrete filler is poured into the crack repairing cavity 1, the hot melting layer on the spalling expanding ball 6 is decomposed by heat, so that the elliptical reinforcing plates 602 are outwardly turned under the elastic action thereof, the outward turning and extending oval reinforcing pieces 602 are connected with the upper concrete layer 9 in a distributed embedding manner under the elastic restoring action, so that the overall hardness of the upper concrete layer 9 is improved.
In addition, it is added that the interior of the expansion ball 6 is filled with the building adhesive 13, the building adhesive 13 is located between the oval reinforcing sheet 602 and the inner sleeve 601, in the process of turning and extending the oval reinforcing sheets 602 outward, the building adhesive 13 inside the expansion-expansion ball 6 overflows and spreads in the surrounding concrete filler, the building adhesive 13 comprises a hot-melt capsule on the outer layer, the inside of the hot-melt capsule is filled with adhesive liquid, the hot-melt layer and the hot-melt capsule are both made of hot-melt adhesive resin, after the granular building adhesive 13 overflows, in the vibration process of the concrete filler in the crack repairing cavity 1, the building adhesive 13 is fully diffused and melted by heat, so that mechanical bonding is realized, and the connection effect between the reinforcing steel bar pipe 3, the inner sleeve 601 and the plurality of oval reinforcing sheets 602 and the upper concrete layer 9 is enhanced.
The protective layer comprises a glass fiber mesh cloth 10 laid on the upper end face of the upper concrete layer 9, a waterproof layer 11 laid on the upper end portion of the glass fiber mesh cloth 10, and the glass fiber mesh cloth 10 and the waterproof layer 11 located between the concrete surface layer 12 and the upper concrete layer 9, and have good waterproof and protective effects on the concrete layer.
The invention forms a crack repairing cavity 1 by excavating and processing the crack position of a road, a plurality of embedded sinking grooves 2 are arranged at the bottom end part of the crack repairing cavity 1, a reinforcing body is sunk into the embedded sinking grooves 2, the reinforcing body is connected between the crack repairing cavity 1 and the soil layer at the bottom of the crack repairing cavity, building gravels are filled between the embedded sinking grooves 2 and the reinforcing body to form a gravel layer 7, a prefabricated mortar concrete plate 5 is laid on the connection surface of the crack repairing cavity 1 and the embedded sinking grooves 2, the prefabricated mortar concrete plate 5 of the gravel layer 7 is matched to realize the compaction and limit of the bottom end part of the reinforcing body in the embedded sinking grooves 2, the base part is favorably tamped, a first concrete filler is poured into the reinforcing body to form a lower concrete layer 8, the mechanical connection among the reinforcing body, the gravel layer 7 and the soil layer is realized, a second concrete filler is poured into the crack repairing cavity 1 to form an upper concrete layer 9, the mechanical strength between the lower concrete layer 8 and the upper concrete layer 9 and among the plurality of reinforcing bodies is effectively enhanced, the poured new concrete layer is not easy to crack and break away from the soil layer, and the road crack repairing and maintaining effect is improved.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The road repairing maintenance construction method is characterized by comprising the following steps: the method comprises the following steps:
s1, determining the position of the road crack, marking a repairing path along the crack cracking trend, excavating the rotten and loose concrete residue at the repairing path, and exposing a soil layer at the bottom of the concrete to form a crack repairing cavity (1);
s2, excavating a plurality of embedded sinking grooves (2) at the bottom end part of the crack repairing cavity (1), sinking reinforcing bodies into the embedded sinking grooves (2), wherein the upper end parts of the reinforcing bodies extend into the crack repairing cavity (1), building gravels are filled between the embedded sinking grooves (2) and the reinforcing bodies to form a gravel layer (7), and the gravel layer (7) is positioned at the bottom end part of the crack repairing cavity (1);
s3, embedding and installing a precast mortar concrete plate (5) to the bottom end part of the crack repairing cavity (1), sleeving the precast mortar concrete plate (5) on a plurality of reinforcing bodies, sleeving the spalling extension balls (6) on the plurality of reinforcing bodies, and positioning the spalling extension balls (6) at the inner side of the crack repairing cavity (1);
s4, connecting the reinforcing bodies through external pouring pipes, sequentially injecting concrete fillers into the plurality of reinforcing bodies, enabling the concrete fillers to overflow into the reinforcing bodies and extend towards gravel layers (7) embedded in the sink grooves (2) through the reinforcing bodies to form lower concrete layers (8), then pouring the preheated concrete fillers into the crack repairing cavities (1) to form upper concrete layers (9), and enabling the upper end parts of the upper concrete layers (9) to be flush with the tops of the plurality of reinforcing bodies;
s5, sequentially paving a protective layer and a concrete surface layer (12) on the upward concrete layer (9), wherein the concrete surface layer (12) is flush with the old concrete layer of the road surface, the color of the concrete surface layer (12) is consistent with that of the old concrete layer of the road surface, and the road repairing maintenance is finished after standard maintenance for 20-25 d.
2. The road repair maintenance construction method according to claim 1, characterized in that: a plurality of inlay the interior bottom of establishing heavy groove (2) and be globular ellipse shape heavy chamber, inlay the rectangle that establishes the upper end of establishing heavy groove (2) and lay the chamber for being linked together with globular ellipse shape heavy chamber and lay the intracavity, the building sand is laid in the rectangle.
3. The road repair maintenance construction method according to claim 2, characterized in that: the reinforcing body comprises an embedded sinking ball (4) embedded in the spherical oval sinking cavity, the top end fixedly connected with reinforcing steel pipe (3) embedded with the sinking ball (4), and the upper end part of the reinforcing steel pipe (3) extends into the crack repairing cavity (1).
4. The road repair maintenance construction method according to claim 3, characterized in that: the embedded sinking ball (4) is communicated with the reinforcing steel pipe (3), and a plurality of seepage holes are formed in the outer side wall of the embedded sinking ball (4).
5. The road repair maintenance construction method according to claim 4, characterized in that: a plurality of through holes corresponding to the reinforcing steel bar pipes (3) are formed in the precast mortar concrete plate (5), and a plurality of bonding holes are uniformly distributed in the upper end face and the lower end face of the precast mortar concrete plate (5).
6. The road repair maintenance construction method according to claim 1, characterized in that: the spalling extension ball (6) is including fixed cover locate the endotheca of reinforcing steel pipe (3) upper end portion establish a section of thick bamboo (601), the annular distribution has a plurality of ellipses to strengthen piece (602) on the lateral wall of endotheca establish a section of thick bamboo (601), and is a plurality of the upper and lower end of an ellipse reinforcing piece (602) is all mutually connected with the upper and lower end of an endotheca section of thick bamboo (601) through the hot melt layer, and is a plurality of the inner of an ellipse reinforcing piece (602) is all connected with the lateral wall of an endotheca section of thick bamboo (601) through strengthening rib (603), and a plurality of ellipses are strengthened piece (602) and are controlled sealed concatenation setting.
7. The road repair maintenance construction method according to claim 6, characterized in that: the oval reinforcing sheets (602) are all made of elastic steel sheets, and fiber thorns are distributed on the inner end walls of the elastic steel sheets.
8. The road repair maintenance construction method according to claim 7, characterized in that: the interior of the expansion extension ball (6) is filled with a building adhesive (13), and the building adhesive (13) is positioned between the oval reinforcing sheet (602) and the inner sleeve barrel (601).
9. The road repair maintenance construction method according to claim 1, characterized in that: the building adhesive (13) comprises a hot-melt capsule positioned at the outer layer, the interior of the hot-melt capsule is filled with adhesive liquid, and the hot-melt layer and the hot-melt capsule are both made of hot-melt adhesive resin.
10. The road repair maintenance construction method according to claim 9, characterized in that: the protective layer comprises glass fiber gridding cloth (10) laid on the upper end face of the upper concrete layer (9), and a waterproof layer (11) is laid on the upper end portion of the glass fiber gridding cloth (10).
Priority Applications (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005943A (en) * | 2021-03-03 | 2021-06-22 | 高文贤 | Comprehensive warning device for road traffic |
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| US20190360159A1 (en) * | 2018-05-28 | 2019-11-28 | Richard Giles | Composition and method for surface repair |
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| CN112177376A (en) * | 2020-11-17 | 2021-01-05 | 高洋 | Pre-embedded anchoring type concrete crack repairing process |
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| CN207376392U (en) * | 2017-09-13 | 2018-05-18 | 秦介甫 | A kind of road damage revamping structure |
| US20190360159A1 (en) * | 2018-05-28 | 2019-11-28 | Richard Giles | Composition and method for surface repair |
| CN211848705U (en) * | 2020-03-09 | 2020-11-03 | 中铁一局集团第四工程有限公司 | Reinforcing apparatus that tunnel crack was used |
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Application publication date: 20210604 |