CN112160202B - Grouting repair method for gap between end of ballastless track plate and mortar cushion - Google Patents
Grouting repair method for gap between end of ballastless track plate and mortar cushion Download PDFInfo
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- CN112160202B CN112160202B CN202010990515.6A CN202010990515A CN112160202B CN 112160202 B CN112160202 B CN 112160202B CN 202010990515 A CN202010990515 A CN 202010990515A CN 112160202 B CN112160202 B CN 112160202B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/11—Embedded tracks, using prefab elements or injecting or pouring a curable material
Abstract
The application relates to a grouting repair method for a gap between an end part of a ballastless track plate and a mortar cushion, which relates to the field of railway engineering and comprises the following steps of S1, gap marking; s2, gap cleaning; s3, embedding a glue injection pipe; s4, sealing the gap; s5, performing glue injection operation; s6, standing and curing; and S7, sealing, and cutting off the glue injection pipe after the gap repairing glue is cured. In S3, when the glue injection pipe is buried, sealing glue is wrapped at the position of 3-5cm away from the end of the glue injection pipe, and then the glue injection pipe is inserted into the glue injection hole. This application has and is applicable to and carries out the effect of shutoff to the gap of different specifications, promotes the prosthetic precision in gap, improves work efficiency.
Description
Technical Field
The application relates to the field of railway track construction, in particular to a grouting repairing method for a gap between an end part of a ballastless track plate and a mortar cushion layer.
Background
With the rise of the high tide of high speed railway construction in China, the application of ballastless tracks is gradually increased. During the installation process of the track slabs, temporary connecting grooves are formed between adjacent track slabs and are also called connecting seams due to the small distance between the adjacent track slabs. After the position of the track slab is accurately adjusted, an asphalt mortar filling layer is poured below the track slab to serve as a mortar cushion layer. During construction, after mortar is solidified, the end part of a part of track slab and a mortar cushion layer are debonded, and a gap is formed between the end part of the track slab and the mortar cushion layer. The gap must be repaired by grouting before concrete is poured in the connecting groove, otherwise, the gap is possibly expanded under the power action of a high-speed train in the operation process of a line, and the service performance is influenced.
The existing Chinese patent with the patent application number of CN201510554804.0 provides a grouting repairing method for a gap between the end part of a ballastless track plate and a mortar cushion, and belongs to the field of railway engineering. For a ballastless track high-speed railway, a track plate needs to be accurately adjusted in construction, and then asphalt mortar is poured under the track plate. After the mortar cushion is solidified, the end part of a part of the track plate is debonded from the track plate, and a gap is formed between the end part of the track plate and the track plate. Since the connecting groove between the adjacent track slabs is very narrow there, it cannot be repaired by the conventional crack repairing method. The invention can conveniently press in the repairing slurry from the upper part by drilling the turning pore channel on the square wood strip and sealing the periphery of the gap.
In view of the above-mentioned related technologies, the inventor believes that the potting adhesive enters the gap from the hole passage turned on the batten, but the size of the hole passage is fixed, so that the potting adhesive cannot be applied to gaps with different shapes, and the defect that the potting adhesive cannot be completely applied to gaps with different shapes and specifications exists.
Disclosure of Invention
In order to solve the problem of grouting repair of gaps of different specifications, the application provides a grouting repair method for gaps between ends of ballastless track boards and mortar cushions.
The grouting repair method for the gap between the end part of the ballastless track plate and the mortar cushion layer adopts the following technical scheme:
a grouting repair method for a gap between an end part of a ballastless track plate and a mortar cushion comprises the following steps:
s1, marking gaps; finding and marking the gap according to the plate number, checking the direction and the penetration condition of the gap, and marking the positions of the glue injection hole and the air outlet hole;
s2, gap cleaning; cleaning dust, scum and loose layers on the surfaces of the gaps;
s3, embedding a glue injection pipe; sequentially drilling the glue injection holes along the extending direction of the gap, wherein the glue injection holes are distributed at the wide part, the end part and the gap through part;
s4, sealing the gap, coating a sealing adhesive layer on the gap processing surface, and curing the sealing adhesive layer;
s5, performing glue injection operation; connecting a glue injection machine with the glue injection pipe, sequentially carrying out from one end to the other end according to the extending sequence of the gaps, and indicating that the pouring is finished when slurry flows out from the corresponding air outlet holes; fastening the rubber tube by using a cutting sleeve, and sequentially pouring the next rubber tube;
s6, standing and curing; after the glue injection is finished, the glue body is solidified;
and S7, sealing, and cutting off the glue injection pipe after the gap repairing glue is cured.
In S3, when the glue injection pipe is buried, sealing glue is wrapped at the position of 3-5cm away from the end of the glue injection pipe, and then the glue injection pipe is inserted into the glue injection hole.
By adopting the technical scheme, in order to repair the gap conveniently, firstly, the glue injection hole and the air outlet hole are arranged along the extending direction and the penetrating direction of the gap, the glue injection hole is communicated with the gap, the end part of the glue injection pipe is wrapped with the plugging glue, then the glue injection pipe is inserted into the glue injection hole, the glue injection pipe is firmly bonded with the glue injection hole through the plugging glue, meanwhile, the glue injection pipe is plugged along the opening part of the gap, the opening part of the gap is plugged by using the sealing glue layer, the plugging glue layer is ensured to be repaired uniformly, the sealing effect on the gap is realized by the plugging glue layer at the moment, the glue injection pipe is connected with the glue injection machine, one end of the glue injection pipe is sequentially arranged towards the other end according to the extending sequence of the gap, and when slurry overflows from the corresponding air outlet hole, the completion of the pouring is indicated; the repairing effect of the gaps with different specifications is achieved, and after glue injection is finished, the glue injection pipe can be cut off after the glue is solidified.
Optionally, the distance between the glue injection holes in S1 is set to be 50-100cm, and the positions of the glue injection holes are respectively located at the wide position, the end portion and the through position of the slit.
By adopting the technical scheme, the glue injection holes are ensured to be distributed in the gap, and meanwhile, the gap is ensured to be filled with glue liquid during glue injection operation, so that the purpose of repairing the gap is achieved.
Optionally, the length of the glue injection pipe is 30cm, the glue injection pipe is arranged below each sleeper, and 20 glue injection pipes are arranged on the left side and the right side of the glue injection pipe below each sleeper.
By adopting the technical scheme, the sleeper plate is used for bearing the weight of the steel rail, and meanwhile, when a train passes through, the stress load at the position is large, so that the gap repairing precision below the sleeper plate needs to be ensured.
Optionally, the glue injection pipe is internally provided with a support rod in a sliding manner, the bottom end of the support rod is fixedly connected with a rubber disc, and the size of the end face of the rubber disc is not smaller than the size of an opening of the glue injection pipe.
Through adopting above-mentioned technical scheme, insert the rubber dish from the top of rubber tube, the rubber dish is extruded and is out of shape, and when moving to the injecting glue pipe bottom along with the rubber dish, the bottom of injecting glue pipe was protected by the shutoff of rubber dish this moment.
Optionally, the top end of the supporting rod is fixedly connected with a threaded sleeve of which the top end is arranged in a closed manner, the top end of the glue injection pipe is fixedly connected with a hollow threaded pipe, and the threaded sleeve is in threaded fit with the threaded pipe.
Through adopting above-mentioned technical scheme, when the rubber disc moved to injecting glue bottom, threaded connection was accomplished with the thread bush to the screwed pipe, was in sealed setting in the injecting glue pipe this moment, realized the protective effect to the injecting glue pipe.
Optionally, in S4, after the sealed glue layer is cured, water is coated on the edge of the sealed glue layer to form a water layer, and the support rod, the threaded sleeve and the rubber disc in the glue injection pipe are taken out to blow air in the glue injection pipe to observe whether bubbles emerge from the water layer.
Through adopting above-mentioned technical scheme, when treating the solidification of sealing glue film, form the water layer with the water coating at the edge of sealing glue film, to the intraductal operation of blowing of injecting glue, observe whether the water layer has the bubble to emerge, if the water layer has when the bubble, the not good needs of further coating epoxy cement of the sealed effect of sealing glue film of this position.
Optionally, in S5, when glue is injected into the glue injection tube, the corresponding support rod and the corresponding rubber disk in the glue injection tube are taken out, and the pressure of the glue injection is controlled to be 0.1Mpa-0.2Mpa and gradually increased.
Through adopting above-mentioned technical scheme, pressure should rise gradually, prevents suddenly pressurizeing, leads to the influence to sealing performance and gap filling glue water flow direction of sealing glue film.
Optionally, in S7, the gap surface flatness is detected and marked by a marking device, and the gap surface repair material is cleaned by an angle grinder.
Through adopting above-mentioned technical scheme, detect gap filler surface roughness through identification means, avoid the influence that the unevenness of gap surface filling material brought increase degree of wear.
Optionally, the identification means include the support, with the sign needle that the support swing set up and with support fixed connection's protractor, the protractor is provided with the scale interval just sign needle bottom with support articulated position is located 90 positions of protractor, sign needle bottom with fixedly connected with torsional spring between the support, the support is provided with and is used for the transmission assembly of gap surface roughness.
Optionally, the transmission assembly includes a transmission rod slidably disposed with the bracket, the bracket is provided with a through groove for the transmission rod to slide, and two ends of the transmission rod are respectively abutted to the gap surface repair material and the side wall of the marking needle.
Through adopting above-mentioned technical scheme, when the identification needle was in vertical state, the torsional spring was in tensile state, and applyed an effort that makes it swing towards the transfer line direction to the identification needle, when gap repair material surface evagination, transfer line drive identification needle swung towards the counter-clockwise, and simultaneously, the pivot drove identification needle towards counter-clockwise swing, and the angle reading was the acute angle this moment.
In summary, the present application includes at least one of the following beneficial technical effects:
1. sealing the gap through a sealing adhesive layer, injecting glue into the glue injection pipe in the glue injection hole, completing glue injection operation when glue solution overflows from the air outlet hole, and completing repair operation of the gap when the glue is solidified;
2. the rubber disc is inserted into the glue injection pipe, and the threaded pipe is in threaded connection with the threaded sleeve, so that the protection effect on the glue injection pipe is realized;
3. the transmission rod is placed at a position abutted to the gap filling material, when the filling material protrudes outwards, the transmission rod drives the marking needle to swing, the marking needle swings anticlockwise, at the moment, the gap filling material at the position of the mark protrudes outwards, and the gap filling material is polished by an angle grinder.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of a glue injection pipe, a threaded sleeve, a threaded pipe and a rubber disc in an embodiment of the present application;
FIG. 3 is a front view of a marker device in an embodiment of the present application;
FIG. 4 is a left side view of the identification device in an embodiment of the present application;
fig. 5 is a flow chart of an embodiment of the present application.
Reference numerals: 1. a glue injection pipe; 2. a gap; 3. a support bar; 4. a rubber disc; 5. a threaded sleeve; 6. a threaded pipe; 7. an identification device; 8. a support; 9. a marking needle; 10. a protractor; 11. a torsion spring; 12. a transmission rod; 13. a through groove; 14. injecting glue holes; 15. a concrete base; 16. CA mortar; 17. a track plate; 18. a sleeper plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Referring to fig. 1, the structure of the ballastless track is sequentially provided with a concrete base 15, CA mortar 16, a track plate 17, a sleeper plate 18 and a steel rail from bottom to top, the steel rail is located above the sleeper plate 18, and the sleeper plate 18 supports the steel rail.
The embodiment of the application discloses a grouting repairing method for a gap between an end part of a ballastless track plate and a mortar cushion layer. Referring to fig. 1 and 5, a grouting repair method for a gap 2 between an end of a ballastless track slab 17 and a mortar cushion includes the following steps, S1, marking the gap 2; finding the gap 2 according to the plate number, marking, checking the trend and the penetration condition of the gap 2, and marking the positions of the glue injection hole 14 and the air outlet hole; the length, the width, the depth, the trend and the penetration condition of the gap 2 are observed through artificial naked eyes, glue injection holes 14 are uniformly distributed at the wide position, the end part and the through position of the gap 2, the positions of the glue injection holes 14 are marked, the glue injection holes 14 are marked by chalk at present, and the air outlet hole is positioned between the two adjacent glue injection holes 14.
S2, cleaning the gap 2; in order to ensure the repairing effect on the gap 2, the dust, the scum and the loose layer on the surface of the gap 2 are cleaned by adopting a steel wire brush and a blower, so that the clear outline of the gap 2 is ensured to be displayed, and meanwhile, the effect of impurities in the gap 2 is prevented from being influenced by the impurities.
S3, embedding the glue injection pipe 1; the glue injection holes 14 and the air outlet holes are sequentially punched by using an electric hammer along the extension direction of the gap 2, the glue injection holes 14 are uniformly distributed at the wider part, the end part and the through part of the gap 2, and the distance between the glue injection holes 14 is preferably 50-100cm according to the length and the width of the gap 2; punching a through hole for embedding the glue injection pipe 1 at a set position of the glue injection hole 14 by using a percussion drill, and performing ash removal treatment in time; meanwhile, the glue injection pipes 1 are arranged below each sleeper plate 18, 20 glue injection pipes 1 are arranged on two sides of each glue injection pipe 1 below the sleeper plate 18, and the sleeper plate 18 is used for bearing the weight of a steel rail, and meanwhile, when a train passes through, the stress load at the position is large, so that the repair precision of the gap 2 below the sleeper plate 18 needs to be ensured.
Referring to fig. 2 and 5, after the glue injection pipes 1 are laid, when the glue injection pipes 1 are buried, sealing glue is wrapped at positions 3-5cm away from the end portions of the glue injection pipes 1, the glue injection pipes 1 are inserted into the glue injection holes 14, the glue injection holes 14 and the glue injection pipes 1 are firmly bonded, meanwhile, in order to avoid the end portions of the glue injection pipes 1 being blocked, supporting rods 3 are slidably arranged in the glue injection pipes 1, rubber discs 4 are fixedly connected to the bottom ends of the supporting rods 3, and the end face sizes of the rubber discs 4 are larger than the sizes of the openings of the glue injection pipes 1; insert rubber disk 4 from the top of rubber tube, rubber disk 4 is by extrusion deformation, and when moving to injecting glue pipe 1 bottom along with rubber disk 4, the bottom of injecting glue pipe 1 was protected by the shutoff of rubber disk 4 this moment.
The top end of the supporting rod 3 is fixedly connected with a threaded sleeve 5, the top end of the threaded sleeve 5 is in a closed arrangement, the threaded hole is in a hollow arrangement, the top end of the threaded sleeve 5 is fixedly connected with the top end of the supporting rod 3, the top end of the glue injection pipe 1 is fixedly connected with a hollow threaded pipe 6, and the threaded pipe 6 is in threaded fit with the threaded sleeve 5; when rubber disc 4 moved to injecting glue 1 bottom, screwed pipe 6 accomplished threaded connection with thread bush 5, was in sealed setting in injecting glue pipe 1 this moment, realized the protective effect to injecting glue pipe 1.
S4, sealing the gap 2, coating a layer of sealing adhesive layer on the processing surface of the gap 2, and sealing the sealing adhesive layer by adopting epoxy resin daub along the direction of the gap, wherein the sealing adhesive layer adopts the following specific measures: and coating a layer of epoxy resin daub (TK-F type material) with the width of 20-30 mm (the thickness of 5-10 mm) on the processing surface (with the width of 20-30 mm) of the gap 2 for edge sealing. And (3) when the daub is scraped, small holes and bubbles are prevented from being generated, the daub is scraped flatly, the sealing reliability is ensured, and the sealing glue layer is cured.
When coating the closed glue film, extract bracing piece 3 in the 2 tip position injecting glue pipes in gap 1, thread bush 5 and rubber dish 4, when preventing to be in totally sealed in gap 2 and the injecting glue, be not convenient for extract bracing piece 3, thread bush 5 and rubber dish 4, when treating the closed glue film solidification, with the edge formation water layer of water coating at the closed glue film, to blowing operation in injecting glue pipe 1, whether observe the water layer and have the bubble to emerge, if the water layer has when bubbling, the not good needs of further coating epoxy resin clay of the sealed effect of this position on the closed glue film.
S5, performing glue injection operation; taking out the support rod 3 and the rubber disc 4 in the glue injection pipe 1, connecting the glue injection machine with the glue injection pipe 1, controlling the pressure of glue injection to be 0.1-0.2 Mpa and gradually increasing the pressure when slurry emerges from the corresponding air outlet hole, and sequentially carrying out the steps from one end to the other end according to the extending sequence of the gaps 2; the rubber tube is fastened by a cutting sleeve and is filled in the next one in sequence.
S6, standing and curing, after glue injection is finished, checking the reinforcing effect after the glue injection is finished, timely remedying the defects to ensure the engineering quality, observing the defects to be dense along the direction of the gap with naked eyes during checking, and cutting off the glue injection pipe 1 after the repairing glue for the gap 2 is cured; and S7, sealing, and cutting off the glue injection pipe 1 after the gap 2 repairing glue is cured.
Referring to fig. 3 and 4, S7, the sealing process is performed, and after the repairing glue for the gap 2 is cured, the glue injection tube 1 is cut off. In order to prevent the influence of increase degree of wear from being brought to the unevenness of gap 2 surface filling material, treat gap 2 and repair gluey solidification back, detect and sign gap 2 surfacing through identification means 7, identification means 7 includes support 8, with the sign needle 9 of the swing setting of support 8 and with support 8 fixed connection's protractor 10, protractor 10 is provided with the scale interval, the scale interval laminating on sign needle 9 and the protractor 10, sign needle 9 bottom is located 90 positions of protractor 10 with support 8 articulated position.
The support 8 is provided with the drive assembly who is used for transmitting 2 surperficial repair materials roughness in gap, drive assembly includes the transfer line 12 that slides the setting with support 8, support 8 is provided with the logical groove 13 that is used for transfer line 12 to slide, leads to groove 13 for running through the setting, the both ends of transfer line 12 respectively with 2 repair materials in gap and the butt of sign needle 9 lateral wall, it is connected with the pivot to rotate between sign needle 9 and the support 8, equally, the central axis of pivot is located 90 readings value's of protractor 10 positions.
Fixedly connected with torsional spring 11 between 9 bottoms of identification needle and the support 8, when identification needle 9 is in vertical state, torsional spring 11 is in tensile state, and exert one to identification needle 9 and make it towards the 12 direction wobbling effort of transfer line, when gap 2 repair material surface evagination, transfer line 12 drive identification needle 9 towards the anticlockwise swing, and simultaneously, the pivot drives identification needle 9 towards the anticlockwise swing, the angle reading is the acute angle this moment, adopt the angle mill to clear up the convex repair material in relief of seam surface, the surface is polished smoothly. When the angle reading is the stewing angle, the repairing material of the gap 2 is concave, and at the moment, the torsion spring 11 drives the marking rod to rotate clockwise, so that the repairing material needs to be repaired; in the field construction process, the situation that the gap 2 repairing material is concave is less.
The implementation principle of the grouting repair method for the gap 2 between the end part of the ballastless track plate 17 and the mortar cushion layer in the embodiment of the application is as follows: finding and marking the gap 2 according to the plate number, checking the trend and the penetration condition of the gap 2, and marking the positions of the glue injection hole 14 and the air outlet hole by using chalk; cleaning dust, scum and loose layers on the surface of the gap 2; sequentially drilling glue injection holes 14 along the extending direction of the gap 2, wherein the glue injection holes 14 are distributed at the wide part, the end part and the through part of the gap 2; glue injection pipes 1 are uniformly arranged below each sleeper, and 20 glue injection pipes 1 are arranged on the left side and the right side of each glue injection pipe 1 below each sleeper; when inserting injecting glue pipe 1 to injecting glue hole 14 in, insert rubber dish 4 to injecting glue pipe 1 in, screwed pipe 6 and 5 threaded connection of thread bush realize the protective effect to injecting glue pipe 1 simultaneously.
The gap 2 is closed, a sealing adhesive layer is coated on the processing surface of the gap 2, a water layer is coated on the edge of the sealing adhesive layer after the sealing adhesive layer is solidified, air is blown into the glue injection pipe 1, whether the water layer foams or not is observed, the foaming position is repaired, the glue injection machine is connected with the glue injection pipe 1, one end of the glue injection pipe is sequentially connected to the other end of the glue injection pipe according to the extending sequence of the gap 2, and when slurry emerges from the corresponding air outlet hole, the completion of the glue injection is indicated; fastening the rubber tube by using a cutting sleeve, and sequentially pouring the next rubber tube; standing and curing; after the glue injection is finished, the glue body is solidified; sealing, namely cutting off the glue injection pipe 1 after the repairing glue for the gap 2 is cured; meanwhile, the transmission rod 12 is placed at the end part of the filler in the gap 2, when the filler protrudes outwards, the transmission rod 12 drives the marking needle 9 to swing, the marking needle 9 swings anticlockwise, at the moment, the filler in the gap 2 at the position of the mark protrudes outwards, and the filler is polished by an angle grinder.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A grouting repair method for a gap between an end part of a ballastless track plate and a mortar cushion layer is characterized by comprising the following steps: the method comprises the following steps:
s1, marking the gap (2); finding the gap (2) according to the plate number and marking, checking the trend and the penetration condition of the gap (2), and marking the positions of the glue injection hole (14) and the air outlet hole;
s2, cleaning the gap (2); cleaning dust, scum and loose layers on the surface of the gap (2);
s3, embedding the glue injection pipe (1); sequentially drilling the glue injection holes (14) along the extending direction of the gap (2), wherein the glue injection holes (14) are distributed at the wide part, the end part and the through part of the gap (2);
s4, sealing the gap (2), coating a sealing adhesive layer on the treated surface of the gap (2), and curing the sealing adhesive layer;
s5, performing glue injection operation; connecting a glue injection machine with the glue injection pipe (1), sequentially carrying out from one end to the other end according to the extending sequence of the gaps (2), and indicating that the injection is finished when slurry overflows from the corresponding air outlet; fastening the rubber tube by using a cutting sleeve, and sequentially pouring the next rubber tube;
s6, standing and curing; after the glue injection is finished, the glue body is solidified;
s7, sealing, and cutting off the glue injection pipe (1) after the repairing glue of the gap (2) is cured;
in S3, when the glue injection pipe (1) is buried, sealing glue is wrapped at a position 3-5cm away from the end of the glue injection pipe (1) in a solid mode, and then the glue injection pipe (1) is inserted into the glue injection hole (14); a supporting rod (3) is arranged in the glue injection pipe (1) in a sliding mode, a rubber disc (4) is fixedly connected to the bottom end of the supporting rod (3), and the size of the end face of the rubber disc (4) is not smaller than that of an opening of the glue injection pipe (1); the top end of the supporting rod (3) is fixedly connected with a threaded sleeve (5) with the top end arranged in a closed mode, the top end of the glue injection pipe (1) is fixedly connected with a hollow threaded pipe (6), and the threaded sleeve (5) is in threaded fit with the threaded pipe (6); in S4, treat after the solidification of the closed glue layer, form the water layer at the edge of the closed glue layer with water coating, take out arbitrary in injecting glue pipe (1) bracing piece (3), thread bush (5) and rubber disc (4), it is right blow in injecting glue pipe (1), observe whether the water layer has the bubble to emerge.
2. The grouting repair method for the gap between the end part of the ballastless track plate and the mortar cushion according to claim 1, characterized by comprising the following steps: the distance between the glue injection holes (14) in the S1 is set to be 50-100cm, and the positions of the glue injection holes (14) are respectively located at the wide part and the end part of the gap (2) and the through part of the gap (2).
3. The grouting repair method for the gap between the end part of the ballastless track plate and the mortar cushion according to claim 2, characterized by comprising the following steps: the length of the glue injection pipe (1) is 30cm, the glue injection pipe (1) is arranged under each sleeper, and the left side and the right side of the glue injection pipe (1) under each sleeper are provided with 20 glue injection pipes (1) in total.
4. The grouting repair method for the gap between the end part of the ballastless track plate and the mortar cushion according to claim 3, characterized by comprising the following steps: and S5, when glue injection is started to be performed on the glue injection pipe (1), taking out the corresponding support rod (3) and the corresponding rubber disc (4) in the glue injection pipe (1), and controlling the pressure of the glue injection to be 0.1-0.2 Mpa and gradually increasing the pressure.
5. The grouting repair method for the gap between the end part of the ballastless track plate and the mortar cushion according to claim 1, characterized by comprising the following steps: and S7, detecting and marking the flatness of the surface of the gap (2) through a marking device (7), and cleaning the repairing material on the surface of the gap (2) by using an angle grinder.
6. The grouting repair method for the gap between the end part of the ballastless track plate and the mortar cushion according to claim 5, characterized in that: identification means (7) include support (8), with identification needle (9) that support (8) swing set up and with support (8) fixed connection's protractor (10), protractor (10) are provided with the scale interval just identification needle (9) bottom with support (8) articulated position is located 90 positions of protractor (10), identification needle (9) bottom with fixedly connected with torsional spring (11) between support (8), support (8) are provided with and are used for the transmission assembly of gap (2) surface smoothness.
7. The grouting repair method for the gap between the end part of the ballastless track plate and the mortar cushion according to claim 6, characterized in that: the transmission assembly comprises a transmission rod (12) arranged in a sliding mode through the support (8), the support (8) is provided with a through groove (13) used for the transmission rod (12) to slide, and two ends of the transmission rod (12) are respectively abutted to the surface repairing material of the gap (2) and the side wall of the marking needle (9).
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| CN202010990515.6A CN112160202B (en) | 2020-09-19 | 2020-09-19 | Grouting repair method for gap between end of ballastless track plate and mortar cushion |
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| CN108868182A (en) * | 2018-06-11 | 2018-11-23 | 浙江华堃环保建筑构件有限公司 | A kind of concrete structure longitudinal crack method for repairing and mending |
| CN110670418A (en) * | 2019-09-26 | 2020-01-10 | 中铁四院集团岩土工程有限责任公司 | Ballastless track roadbed surface layer slurry turning and finishing method |
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