CN112878213A - Self-plugging concrete bridge deck maintenance process - Google Patents
Self-plugging concrete bridge deck maintenance process Download PDFInfo
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- CN112878213A CN112878213A CN202110340760.7A CN202110340760A CN112878213A CN 112878213 A CN112878213 A CN 112878213A CN 202110340760 A CN202110340760 A CN 202110340760A CN 112878213 A CN112878213 A CN 112878213A
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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
- E01C23/0966—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 filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—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 filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
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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
- E01D19/125—Grating or flooring for bridges
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a self-plugging concrete bridge deck maintenance process, belonging to the field of bridge repair, and the process comprises placing a plurality of upper traveling balls at the bottom of a crack before repair, after paving an asphalt repair agent, leading the inner part of the upper traveling balls to move through the guidance of a magnetic material to break bubbles and accelerate the overflow of internal gas, thereby effectively avoiding the void content in the repaired middle layer after repair, improving the strength of the repair middle layer, effectively avoiding secondary cracks, dispersing self-falling seepage balls in the repaired middle layer gradually when the upper traveling balls move in the asphalt repair liquid, when the repaired middle layer generates cracks for two times due to vehicle pressure, breaking the self-falling seepage balls to enable the gas-liquid agent to overflow and seep into the cracks for secondary cracks to realize self-plugging, obviously improving the effective action duration of the repaired layer compared with the prior art, effectively reducing the probability of refinishing.
Description
Technical Field
The invention relates to the field of bridge repair, in particular to a self-plugging concrete bridge deck maintenance process.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
Along with the extension of the time that the bridge is put into service, its bridge floor is under long-term heavy pressure, can produce certain crack, after the crack forms, need in time repair, and then restrain the expansion of crack seam, but current crack is when repairing, and the healant is by certain air often exists, and the crack is less relatively the bridge floor, on paving the healant, is difficult to carry out the operation of vibrating closely knit degasification, leads to the repair layer intensity after the restoration not high, under the pressure effect of vehicle, pedestrian, very easily secondary crack production.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a self-plugging concrete bridge deck maintenance process, a plurality of upper running balls are placed at the bottom of a crack before repairing, after the asphalt repairing agent is paved, the inner part of the traveling ball moves under the guidance of the magnetic material, so that bubbles are broken, the overflow of the inner gas is accelerated, thereby effectively avoiding the void content in the middle layer after repairing, improving the strength, effectively avoiding secondary cracks, in addition, when the upper running ball moves in the asphalt repair liquid, the self-falling seepage ball is gradually dispersed in the repair middle layer, when the crack is generated in the middle layer for the second time due to the vehicle pressure, the self-falling seepage ball is broken, so that the gas-liquid repairing agent overflows and seeps into the crack of the second time crack, the self-plugging is realized, and compared with the prior art, the effective action duration of the repairing layer is obviously prolonged, and the probability of repairing again is effectively reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-plugging concrete bridge deck maintenance process comprises the following steps:
s1, firstly, roughening the crack to be repaired, and then removing the inner slag;
s2, paving a layer of upper running ball at the bottom of the crack to be repaired, and paving asphalt repair liquid on the upper running ball to form a repair middle layer;
s3, after the repairing middle layer is laid, before the repairing middle layer is not solidified, the upper moving ball is guided to move left and right in the crack through the magnetic material, and then the upper moving ball moves from bottom to top in the repairing middle layer and moves left and right transversely, so that the inner bubbles are broken and overflow upwards;
and S4, finally paving the asphalt repairing liquid on the repairing middle layer again to form a repairing surface layer, and completing bridge deck repairing.
The method is characterized in that a plurality of upper running balls are placed at the bottoms of cracks before repair, after an asphalt repair agent is laid, the upper running balls move inside through the guidance of a magnetic material, bubbles are broken, the overflow of internal gas is accelerated, the gap amount in a middle layer after repair is effectively avoided, the strength is higher, secondary cracks are effectively avoided, in addition, when the upper running balls move in asphalt repair liquid, self-falling seepage balls are gradually dispersed in the repair middle layer, when the cracks are generated in the repair middle layer due to the secondary vehicle pressure, the self-falling seepage balls are broken, the gas-liquid repair agent overflows and permeates into the cracks of secondary cracks, self-plugging is realized, compared with the prior art, the effective action duration of the repair layer is obviously prolonged, and the probability of secondary repair is effectively reduced.
Further, in the step S1, the crack to be repaired is subjected to crack extension treatment according to size selectivity of the crack to be repaired, when the upper section of the crack is smaller than 2cm, the crack is subjected to crack extension treatment before roughening treatment, the size of the cross section of the crack after expansion is not larger than 5cm, and after crack extension, the crack is relatively large, so that the repair difficulty of workers is effectively reduced, and the repair efficiency is remarkably improved.
Further, in the step S2, before the upper traveling ball is laid, a layer of base material is coated on the bottom of the crack to be repaired, and the upper traveling ball is laid before the base material is solidified, so that the base material can effectively improve the connection strength between the repair middle layer and the crack to be repaired, thereby effectively avoiding the occurrence of secondary cracking after repair, and improving the repair effect.
Further, the thickness of the repairing middle layer is not less than 2/3 of the deepest depth of the crack, and the repairing middle layer is too thin, so that the path of an upper running ball moving under the guidance of the magnetic material in the repairing middle layer is relatively short, and the overflowing effect on internal bubbles is not obvious.
Further, the fluidity of the asphalt repair liquid in the step S2 is different from that of the asphalt repair liquid in the step S4, and the fluidity of the asphalt repair liquid in the step S2 is greater than that of the asphalt repair liquid in the step S4, so that the resistance to the upper moving ball when moving in the step S2 is small, the moving range is relatively large, the speed is relatively high, and the overflow effect on the gas in the asphalt repair liquid is better accelerated, and the same asphalt repair liquid as that in the step S2 is used as the base material, so that the connection strength between the base material and the repair intermediate layer is higher, and the two layers are not easy to crack.
Further, go up the ball that moves and include the magnetism core, magnetism moves the core outer end and cuts the absorption ball groove that has a plurality of evenly distributed, it has the seepage ball of falling certainly to adsorb in the ball groove, it has fixedly to inlay towards one side of absorption ball inslot bottom to fall from seeping the ball.
Furthermore, the self-dropping infiltration ball is made of magnetic materials, the magnetic core is made of iron materials, the self-dropping infiltration ball is internally filled with a self-infiltration repairing agent in a saturated manner, the self-infiltration repairing agent is the same as the asphalt repairing liquid in the step S2, so that the self-infiltration balls can be adsorbed on the surface of the magnetic moving core, when the upper moving balls move in the asphalt repairing liquid, because of the resistance of the asphalt repairing liquid, the self-falling infiltration balls gradually fall off from the upper running balls and are gradually dispersed in the repairing middle layer, after the crack is repaired, when putting into use, because the pressure effect of external vehicle makes inside secondary when producing the crack, the ball that oozes from falling breaks under vehicle pressure the same way, and the gas-liquid healant overflows this moment, infiltrates the crack department that the secondary cracked, realizes from the shutoff, compares in prior art, and it is long to show the effective action that improves the repair layer, effectively reduces the probability of repairing once more.
Furthermore, the self-dropping infiltration ball is made of brittle materials, so that the self-dropping infiltration ball can be broken under the action of long-time large pressure of a vehicle, the self-infiltration repairing agent in the self-dropping infiltration ball can overflow to block a secondary generated crack, and the inner diameter of an inner cavity of the self-dropping infiltration ball is not less than half of the diameter of the self-dropping infiltration ball, so that the self-dropping infiltration ball has certain strength and is not easy to break.
Furthermore, inert gas is filled in the self-falling infiltration ball and is filled in a compression mode, the permeability of the gas is higher than that of the liquid, when the self-falling infiltration ball is broken, the compressed inert gas overflows quickly and can carry part of the self-infiltration repairing agent to quickly penetrate to a crack, the plugging speed of the whole body on the secondarily generated crack is remarkably increased, and the stability of the damaged repairing layer is effectively maintained.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme is that a plurality of upper running balls are placed at the bottom of a crack before repair, after an asphalt repair agent is laid, the upper running balls move inside through the guidance of a magnetic material, bubbles are broken, the overflow of internal gas is accelerated, the gap amount in a middle layer after repair is effectively avoided, the strength is higher, secondary crack generation is effectively avoided, in addition, when the upper running balls move in asphalt repair liquid, self-falling seepage balls are gradually dispersed in the repair middle layer, when the repair middle layer cracks due to the secondary vehicle pressure, the self-falling seepage balls are broken equally, the gas-liquid agent overflows and permeates into the secondary cracked crack, self-plugging is realized, compared with the prior art, the effective action duration of the repair layer is prolonged remarkably, and the probability of secondary repair is effectively reduced.
(2) In the step S1, the crack to be repaired is subjected to crack expanding treatment selectively according to the size of the crack to be repaired, when the upper section of the crack is smaller than 2cm, the crack is subjected to crack expanding treatment before roughening treatment, the size of the expanded section of the crack is not larger than 5cm, and after crack expanding, the crack is relatively large, so that the repairing difficulty of workers is effectively reduced, and the repairing efficiency is remarkably improved.
(3) In step S2, before the upper traveling ball is laid, a layer of base material is first coated on the bottom of the crack to be repaired, and then the upper traveling ball is laid before the base material is solidified, so that the base material can effectively improve the connection strength between the repair middle layer and the crack to be repaired, thereby effectively avoiding the occurrence of secondary cracking after repair, and improving the repair effect.
(4) The thickness of the repair middle layer is not less than 2/3 of the deepest depth of the crack, and the repair middle layer is too thin, so that the path of an upper running ball moving under the guidance of the magnetic material in the repair middle layer is relatively short, and the overflow effect on internal bubbles is not obvious.
(5) The fluidity of the asphalt repair liquid in the step S2 is different from that of the asphalt repair liquid in the step S4, and the fluidity of the asphalt repair liquid in the step S2 is greater than that of the asphalt repair liquid in the step S4, so that the resistance to the movement of the upper moving ball in the step S2 is small, the movement range is relatively large, the speed is relatively high, the overflow effect on the gas in the asphalt repair liquid is better, the connection strength between the base material and the repair middle layer is higher due to the fact that the base material is made of the same asphalt repair liquid as that in the step S2, and the situation of cracking between the two layers is not easy to occur.
(6) The upward moving ball comprises a magnetic moving core, a plurality of adsorption ball grooves which are uniformly distributed are formed in the outer end of the magnetic moving core, a self-falling seepage ball is adsorbed in each adsorption ball groove, and the self-falling seepage ball is fixedly embedded in one side of the bottom end in each adsorption ball groove.
(7) The self-dropping infiltration ball is made of magnetic materials, the magnetic core is made of iron materials, the self-dropping infiltration ball is filled with a self-infiltration repairing agent in a saturated mode, the self-infiltration repairing agent is the same as the asphalt repairing liquid in the step S2, the self-dropping infiltration ball can be adsorbed on the surface of the magnetic core, when the upper moving ball moves in the asphalt repairing liquid, the self-dropping infiltration ball gradually drops from the upper moving ball and is gradually dispersed in the repairing middle layer due to the resistance effect of the asphalt repairing liquid, when the crack is repaired and put into use, the self-dropping infiltration ball is broken under the pressure of the vehicle when the crack is secondarily generated in the inner part due to the pressure effect of the external vehicle, the gas-liquid repairing agent overflows and penetrates into the secondarily broken crack to achieve self-plugging, and compared with the prior art, the effective action duration of the repairing layer is remarkably prolonged, and the probability of secondary repairing is effectively reduced.
(8) The self-falling infiltration ball is made of brittle materials, can be broken under the action of large pressure of a vehicle for a long time, can overflow from the self-infiltration repairing agent in the self-falling infiltration ball to block cracks generated secondarily, has certain strength and is not easy to break due to the fact that the inner diameter of an inner cavity of the self-falling infiltration ball is not smaller than half of the diameter of the self-falling infiltration ball.
(9) The self-falling infiltration ball is filled with inert gas which is filled in a compression mode, the permeability of the gas is higher than that of the liquid, when the self-falling infiltration ball is broken, the compressed inert gas overflows quickly and can carry part of the self-infiltration repairing agent to permeate to the crack, the plugging speed of the whole body to the crack generated secondarily is remarkably accelerated, and the stability of the damaged repairing layer is effectively maintained.
Drawings
FIG. 1 is a schematic diagram of the main flow structure of the present invention;
FIG. 2 is a schematic structural diagram of an upper running ball of the present invention;
FIG. 3 is a schematic structural view of the upper traveling ball of the present invention after the falling of the self-dropping seepage ball;
FIG. 4 is a schematic structural diagram of a self-dropping seepage ball part of the present invention.
The reference numbers in the figures illustrate:
1 upper running ball, 11 magnetic core, 12 self-falling seepage ball, 2 middle layer repairing, 3 surface layer repairing and 4 ball adsorption groove.
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, wherein a is a concrete deck and b is a crack to be repaired, a self-plugging concrete deck repair process comprises the following steps:
s1, firstly, roughening the crack to be repaired, and then removing the inner slag;
s2, paving a layer of upper traveling ball 1 at the bottom of the crack to be repaired, and paving asphalt repair liquid on the upper traveling ball 1 to form a repair middle layer 2;
s3, after the repairing middle layer 2 is laid, before the repairing middle layer 2 is not solidified, the upper moving ball 1 is guided to move from bottom to top in the repairing middle layer 2 through the left and right movement of the magnetic material, and then moves from left to right transversely, so that bubbles in the repairing middle layer 2 are broken and overflow upwards;
and S4, finally paving the asphalt repair liquid on the repair middle layer 2 again to form a repair surface layer 3, and completing bridge deck repair.
In step S1, selectively performing crack expansion treatment on the crack to be repaired according to the size of the crack to be repaired, when the upper section of the crack is smaller than 2cm, performing crack expansion treatment on the crack before roughening treatment, wherein the size of the expanded cross section of the crack is not larger than 5cm, and after crack expansion, the crack is relatively large, so that the repair difficulty of workers is effectively reduced, and the repair efficiency is remarkably improved.
The thickness of the repairing middle layer 2 is not less than 2/3 with the deepest depth of the crack, the repairing middle layer is too thin, the path of the upper moving ball 1 moving under the guidance of the magnetic material in the repairing middle layer is relatively short, the overflowing effect on internal bubbles is not obvious, the fluidity of the asphalt repairing liquid in the step S2 is different from that of the asphalt repairing liquid in the step S4, the fluidity of the asphalt repairing liquid in the step S2 is larger than that of the asphalt repairing liquid in the step S4, resistance on the upper moving ball 1 moving in the step S2 is small, the moving range is relatively large, the speed is relatively high, the overflowing effect on gas in the accelerated asphalt repairing liquid is better, the base material adopts the same asphalt repairing liquid as that in the step S2, the connection strength between the base material and the repairing middle layer 2 is higher, and the condition of cracking between the two layers is not easy to occur.
Referring to fig. 2-3, the upper traveling ball 1 includes a magnetic core 11, a plurality of uniformly distributed adsorption ball grooves 4 are cut at the outer end of the magnetic core 11, self-dropping infiltration balls 12 are adsorbed in the adsorption ball grooves 4, referring to fig. 4, 5 is fixedly embedded at one side of the self-dropping infiltration balls 12 facing to the inner bottom end of the adsorption ball grooves 4, the magnetic core 11 is made of iron material, the self-dropping infiltration balls 12 are saturated and filled with self-infiltration repairing agent, which is the same as the asphalt repairing liquid in step S2, so that the self-dropping infiltration balls 12 can be adsorbed on the surface of the magnetic core 11, when the upper traveling ball 1 moves in the asphalt repairing liquid, the self-dropping infiltration balls 12 gradually fall off from the upper traveling ball 1 due to the resistance of the asphalt repairing liquid and are gradually dispersed in the repairing middle layer 2, when the crack is repaired, due to the pressure of the external vehicle, when the crack is generated secondarily in the interior, the self-falling seepage ball 12 is broken under the pressure of the vehicle, at the moment, the gas-liquid repairing agent overflows and seeps into the secondary-cracked crack, self-plugging is realized, compared with the prior art, the effective action duration of a repairing layer is obviously prolonged, the probability of repairing again is effectively reduced, the self-falling seepage ball 12 is made of a brittle material, the self-falling seepage ball 12 can be broken under the action of the long-time large pressure of the vehicle, the self-seepage repairing agent in the self-falling seepage ball 12 can overflow to plug the secondary-generated crack, and the inner diameter of the inner cavity of the self-falling seepage ball 12 is not smaller than half of the diameter of the self-falling seepage ball 12, so that the self-falling seepage ball has certain strength and is not easy to break.
The method is characterized in that a plurality of upper running balls 1 are placed at the bottoms of cracks before repair, after an asphalt repair agent is laid, the upper running balls 1 move inside through the guidance of a magnetic material, bubbles are broken, the overflow of internal gas is accelerated, the void amount in a middle layer 2 after repair is effectively avoided, the strength is higher, secondary crack generation is effectively avoided, in addition, when the upper running balls 1 move in asphalt repair liquid, self-falling seepage balls 12 are gradually dispersed in the repair middle layer 2, when the repair middle layer 2 cracks due to the secondary vehicle pressure, the self-falling seepage balls 12 are broken similarly, the gas-liquid repair agent overflows and permeates into the secondary crack generation part, self-plugging is realized, compared with the prior art, the effective action duration of the repair layer is remarkably prolonged, and the probability of secondary repair is effectively reduced.
Example 2:
the difference between this embodiment and embodiment 1 is that the self-infiltration ball 12 is filled with an inert gas, and the inert gas is filled by compression, and the permeability of the gas is higher than that of the liquid, and after the self-infiltration ball 12 is broken, the compressed inert gas quickly overflows and can carry part of the self-infiltration repairing agent to quickly penetrate to the crack, thereby significantly accelerating the overall plugging speed of the secondarily generated crack, and further effectively maintaining the stability of the damaged repairing layer.
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. A self-plugging concrete bridge deck maintenance process is characterized in that: the method comprises the following steps:
s1, firstly, roughening the crack to be repaired, and then removing the inner slag;
s2, paving a layer of upper moving ball (1) at the bottom of the crack to be repaired, and paving asphalt repair liquid on the upper moving ball (1) to form a middle repair layer (2);
s3, after the repairing middle layer (2) is laid, before the repairing middle layer is not solidified, the upper moving ball (1) is guided to move left and right in the crack from bottom to top in the repairing middle layer (2) and then moves left and right transversely, so that bubbles in the repairing middle layer are broken and overflow upwards;
and S4, finally paving the asphalt repairing liquid on the repairing middle layer (2) again to form a repairing surface layer (3) and finish the bridge deck repairing.
2. The self-plugging concrete bridge deck maintenance process according to claim 1, characterized in that: in the step S1, the crack to be repaired is selectively expanded according to the size of the crack to be repaired, when the upper section of the crack is smaller than 2cm, the crack is expanded before the roughening treatment, and the size of the expanded cross section of the crack is not larger than 5 cm.
3. The self-plugging concrete bridge deck maintenance process according to claim 1, characterized in that: in the step S2, before the upper traveling ball (1) is laid, a layer of base material is first coated at the bottom of the crack to be repaired, and the upper traveling ball (1) is laid before the base material is not solidified.
4. The self-plugging concrete bridge deck maintenance process according to claim 1, characterized in that: the thickness of the repairing middle layer (2) is not less than 2/3 of the deepest depth of the crack.
5. The self-plugging concrete bridge deck repairing process according to claim 3, wherein the self-plugging concrete bridge deck repairing process comprises the following steps: the asphalt repair liquid in the step S2 has a different fluidity from the asphalt repair liquid in the step S4, the asphalt repair liquid in the step S2 has a larger fluidity than the asphalt repair liquid in the step S4, and the same asphalt repair liquid as that in the step S2 is used as the base material.
6. The self-plugging concrete bridge deck maintenance process according to claim 1, characterized in that: go up dynamic ball (1) including magnetism dynamic core (11), magnetism dynamic core (11) outer end is dug has a plurality of evenly distributed's absorption ball groove (4), it has from falling to ooze ball (12) to absorb in ball groove (4), from falling to ooze ball (12) and fix towards one side of absorbing ball groove (4) interior bottom and inlay and have (5).
7. The self-plugging concrete bridge deck repairing process according to claim 6, wherein the self-plugging concrete bridge deck repairing process comprises the following steps: the magnetic core (5) is made of a magnetic material, and the magnetic core (11) is made of an iron material.
8. The self-plugging concrete bridge deck repairing process according to claim 6, wherein the self-plugging concrete bridge deck repairing process comprises the following steps: the self-dropping infiltration ball (12) is internally saturated and filled with a self-infiltration repairing agent, and the self-infiltration repairing agent is the same as the asphalt repairing liquid in the step S2.
9. The self-plugging concrete bridge deck repairing process according to claim 8, wherein the self-plugging concrete bridge deck repairing process comprises the following steps: the self-falling seepage ball (12) is made of brittle materials, and the inner diameter of the inner cavity of the self-falling seepage ball (12) is not less than half of the diameter of the self-falling seepage ball (12).
10. The self-plugging concrete bridge deck repairing process according to claim 8, wherein the self-plugging concrete bridge deck repairing process comprises the following steps: the self-falling seepage ball (12) is also filled with inert gas, and the inert gas is compressed and filled.
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| CN112458926A (en) * | 2020-10-15 | 2021-03-09 | 杨同伟 | Fracture surface repairing method for maintaining viaduct |
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