CN111893808A - Treatment structure and treatment method of ballastless track boss damage - Google Patents

Abstract

The embodiments of the present application provide a governance structure and a governance method for damage to a ballastless track boss. The governance structure includes a bottom plate, a track plate, an original boss, and a new boss. The track plate is arranged on the bottom plate, and two ends of the track plate are respectively formed with opening grooves, and a frame groove is formed between the two ends. The original boss is arranged between two adjacent track plates, and is located in the space enclosed by the two adjacent opening grooves. New bosses are formed in the frame slots and connected to the base plate. The governance structure and governance method provided by this application, by constructing a new boss in the frame groove of the track plate, to limit the position of the track plate, thus effectively solving the damage and failure of the original boss, which cannot ensure the stability and safety of the track. operational issues.

Description

Treatment structure and treatment method of ballastless track boss damage

technical field

The present application relates to the technical field of rail transit, and in particular, to a damage control structure and a control method for a ballastless track boss.

Background technique

Due to construction reasons, the influence of environmental factors and the dynamic load of the train, the original bosses between the track slabs are cracked and damaged, which weakens or even loses the limit and fixation effect on the track slabs, which is not conducive to maintaining the overall stability of the track structure. It will cause certain safety hazards to the train operation.

In the prior art, temporary limiting measures are usually provided on the track plate for processing. This processing method cannot fundamentally solve the problem of damage and failure of the original boss, and cannot guarantee the stability of the track and the safety of train operation in a long-term.

SUMMARY OF THE INVENTION

In view of this, the embodiments of the present application are expected to provide a governance structure and a governance method for the damage of the ballastless track boss, so as to solve the problem of damage and failure of the original boss of the ballastless track in the prior art.

In order to achieve the above purpose, one aspect of the embodiments of the present application provides a ballastless track boss damage control structure, including:

bottom plate;

a track plate, arranged on the bottom plate, the two ends of the track plate are respectively formed with opening grooves, and a frame groove is formed between the two ends;

The original boss, connected with the base, is arranged between the two adjacent track plates, and is located in the space enclosed by the two adjacent opening grooves; and

A new boss is formed in the frame groove, and the new boss is connected with the bottom plate.

Further, the management structure further includes a filling body, and the filling body is filled around the new boss and located between the new boss and the track plate.

Further, the filling body includes a foam layer and a buffer layer, the foam layer is filled on the bottom plate, the height of the top surface of the foam layer is equal to the height of the bottom surface of the track plate, and the buffer layer is filled on the bottom surface of the track plate. on the foam layer.

Further, the buffer layer includes a resin bag and resin, and the resin is cast and formed in the resin bag; and/or,

The filling body further includes a waterproof layer for preventing rainwater from penetrating into the buffer layer.

Further, the new boss includes:

a reinforcement frame connected to the base plate; and

The boss body is formed by pouring concrete into the reinforcing bar frame.

Further, the number of new bosses in each of the frame grooves is one, and both ends of the new bosses along the extending direction of the ballastless track are adjacent to the track plate; or,

The number of the new bosses in each of the frame grooves is two, which are respectively disposed on both sides of the frame groove along the extending direction of the ballastless track.

The ballastless track boss damage control structure provided by the embodiment of the present application utilizes the frame groove in the structure of the track plate itself, and sets a new boss in the frame groove, thereby dispersing the force borne by the original boss and making up for the original boss. The lack of force improves the safety of track operation caused by the damage of the original boss of the ballastless track.

Another aspect of the embodiments of the present application provides a method for treating ballastless track boss damage, including:

A new boss connected to the bottom plate is constructed in the frame groove of the track slab;

Repair the original bosses in the opening grooves at both ends of the track plate.

Further, the steps of constructing and forming a new boss connected to the bottom plate in the frame groove of the track plate include:

Implant steel bars on the bottom plate in the frame groove of the track slab;

Fixing the first template in the frame groove to surround the reinforcing steel body;

pouring concrete into the first form to form the new boss;

removing the first formwork;

A filler is filled between the new boss and the track plate.

Further, the step of filling the filler body between the new boss and the track plate, comprising:

filling a foam layer on the base plate between the new boss and the track plate;

placing a resin bag on the foam layer;

pouring resin into the resin bag;

Apply sealant between the new boss and the track plate for waterproofing.

Further, the steps of repairing the original bosses in the opening grooves at both ends of the track plate include:

Chisel off the damaged concrete of the original boss and the filler around the original boss;

Check and replant the damaged steel bars of the original boss;

Install the second template to surround the original boss;

Pour concrete in the second formwork to repair the original boss;

removing the second formwork;

A new filler is filled around the original boss.

The ballastless track boss damage treatment method provided by the embodiment of the present application provides a certain limiting effect on the track slab by setting a new boss in the frame groove of the track slab, and repairs the damaged original boss. The new boss and the original boss together limit the track plate. This treatment method, which is carried out using the empty window time of the railway, can effectively solve the problem of damage and failure of the original boss without affecting the normal operation of the railway.

Description of drawings

FIG. 1 is a schematic structural diagram of a governance structure provided by an embodiment of the present application;

Fig. 2 is the sectional view of A-A section in Fig. 1;

Fig. 3 is a partial enlarged view at C in Fig. 2;

4 is a schematic structural diagram of a governance structure provided by another embodiment of the present application;

Fig. 5 is the sectional view of the B-B section in Fig. 4;

FIG. 6 is a flowchart of a governance method provided by an embodiment of the present application; and

FIG. 7 is a flowchart of a governance method provided by another embodiment of the present application.

Description of reference numbers:

1. Bottom plate; 2. Track plate; 21. Opening slot; 22. Frame slot; 3. Original boss; 4. New boss; 5. Filling body; 51. Foam layer; 52. Buffer layer.

Detailed ways

It should be noted that the embodiments in this application and the technical features in the embodiments can be combined with each other without conflict. Improper restrictions on this application.

Orientation terms in the description of the present application are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a reference to the present application. limits.

One aspect of the embodiments of the present application provides a treatment structure for damage to a ballastless track boss, please refer to FIG. 1 to FIG. The track plate 2 is arranged on the bottom plate 1, and the two ends of the track plate 2 are respectively formed with opening grooves 21, and a frame groove 22 is formed between the two ends. The original boss 3 is connected with the base, and is arranged between two adjacent track plates 2, and is located in the space enclosed by the adjacent two opening grooves 21. A new boss 4 is formed in the frame groove 22 , and the new boss 4 is connected to the base plate 1 .

Specifically, in the place where the ballastless track is built, the original boss 3 is provided between two adjacent track plates 2, and a frame groove 22 is formed between the two ends of the track plate 2. For example, the track plate 2 is 1 Type track plate 2, the original boss 3 is used to limit the position of the track plate 2 adjacent to it. However, with the gradual increase of the operation time of the ballastless track, the original boss 3 is affected by the impact load, etc., and gradually produces damage such as cracking and breakage, which weakens or even loses the limiting and fixing effect on the track plate 2, which is not conducive to maintaining the track structure. If the overall stability of the railway is not dealt with in a timely manner, it will cause certain safety hazards to railway operations.

The governance structure provided by the present application utilizes the frame groove 22 in the structure of the track plate 2 itself, and by arranging a new boss 4 in the frame groove 22, so as to disperse the force borne by the original boss 3 and make up for the force on the original boss 3 It can effectively improve the safety performance of the track operation caused by the damage of the original boss 3 of the ballastless track, the structure is simple, the construction efficiency is high, and the normal operation of the railway is not affected.

In one embodiment, referring to FIGS. 1 to 5 , the governance structure provided by the present application further includes a filler body 5 , and the filler body 5 is filled around the new boss 4 and is located between the new boss 4 and the track plate 2 . By disposing the filler 5 between the new boss 4 and the track plate 2, the track plate 2 can be better limited, the impact between the track plate 2 and the new boss 4 can be reduced, and the durability of the original boss 3 can be improved. service life.

In an embodiment, please refer to FIG. 3 , in the governance structure provided by the present application, the filling body 5 includes a foam layer 51 and a buffer layer 52 . The foam layer 51 is filled on the bottom plate 1 , and the height of the top surface of the foam layer 51 is higher than or equal to the height of the bottom surface of the track plate 2 . The buffer layer 52 is filled on the foam layer 51 . Specifically, the buffer layer 52 has a certain elasticity. When there is a tendency for impact between the new boss 4 and the track plate 2 , the buffer layer 52 can absorb part of the impact potential energy between the two, thereby reducing the impact on the new boss 4 . and damage to the track plate 2. By providing the foam layer 51 , the buffer layer 52 can be prevented from gradually entering the bottom of the track board 2 during long-term use, so as to ensure that the buffer layer 52 is always located between the track board 2 and the new boss 4 to play its due role. . Preferably, the height of the foam layer 51 is equal to the height of the bottom surface of the track plate 2 , so that more buffer layers 52 can be filled, so that the buffer layer 52 provides better buffer effect for the track plate 2 and the new boss 4 .

Further, in one embodiment, the buffer layer 52 includes a resin bag and resin, and the resin is cast and formed in the resin bag. It can be understood that it is of great significance to relieve the impact load between the new boss 4 and the track plate 2 by manually formulating a resin material with better elasticity. The resin is generally weathered and formed after pouring. Therefore, setting a resin bag and pouring the resin with fluidity in the resin bag can better control the shape and position of the resin during the forming process and prevent the resin from flowing into the track plate 2. Resin is wasted in unnecessary spaces such as the bottom.

In one embodiment, in the governance structure provided by the present application, the filling body 5 further includes a waterproof layer (not shown in the figure), which is used to prevent rainwater from penetrating into the buffer layer 52 . Specifically, the waterproof layer is filled on the buffer layer 52 between the new boss 4 and the track plate 2. By providing the waterproof layer, rainwater and the like can be effectively prevented from entering the buffer material such as resin, thereby causing adverse effects on the performance of the resin. That is to effectively ensure the performance of buffer materials such as resin.

In one embodiment, in the governance structure provided by the present application, the new boss 4 includes a reinforcing bar frame (not shown in the figure) and a boss body (not shown in the figure). The reinforcement frame is connected with the bottom plate 1, and the boss body is formed by pouring concrete into the reinforcement frame. It can be understood that the reinforced concrete material itself is cheap, has high strength after forming, and is convenient and quick to cast and form on site, so that while ensuring the strength of the new boss 4, it can also ensure the rapidity of construction and prevent affecting the railway. normal operation.

In one embodiment, please refer to FIG. 1 and FIG. 2 , in the governance structure provided by the present application, the number of new bosses 4 in each frame groove 22 is one, and two new bosses 4 along the extending direction of the ballastless track are provided. The ends adjoin the track plate 2 . It can be understood that when the size of the frame groove 22 on the track plate 2 is small, only a new boss 4 can be arranged in the frame groove 22. The track plate 2 provides a certain limit function to prevent the track plate 2 from moving.

Optionally, in an embodiment, please refer to FIG. 4 and FIG. 5 , in the governance structure provided by the present application, the number of new bosses 4 in each frame groove 22 is two, which are respectively arranged in the frame groove 22 Both sides along the extension direction of the ballastless track. It can be understood that, when the length of the frame groove 22 of the track plate 2 is relatively large, it is not necessary to set new bosses 4 in the entire frame groove 22, but only on both sides of the frame groove 22 along the extending direction of the ballastless track. The setting of the new boss 4 can satisfy the limiting effect on the track plate 2, thereby saving construction materials and reducing the construction period.

A second aspect of the embodiments of the present application provides a method for treating ballastless track boss damage, please refer to FIG. 6 , and the treatment method includes:

S10, constructing a new boss 4 connected to the bottom plate 1 in the frame groove 22 of the track plate 2;

S20 , repair the original bosses 3 in the opening grooves 21 at both ends of the track plate 2 .

Specifically, a new boss 4 is formed in the frame groove 22 by using the frame groove 22 of the structure of the track plate 2 itself, so as to limit the position of the track plate 2 . After the construction of the new boss 4 is completed, since the new boss 4 can withstand a certain impact force, the new boss 4 can be subjected to the impact load of the track plate 2 first, and the original bosses in the opening grooves 21 at both ends of the track plate 2 can be repaired. After the original boss 3 is repaired, the new boss 4 and the original boss 3 work together.

In the method for treating the damage of the ballastless track boss provided by the embodiment of the present application, a new boss 4 is arranged in the frame groove 22 of the track plate 2 to provide a certain limit effect on the track plate 2, and then the damaged original boss is repaired. Platform 3. After the repair is completed, the new boss 4 and the original boss 3 limit the track plate 2 together. The treatment method is carried out using the empty window time of the railway, the construction is simple and fast, and the problem of damage and failure of the original boss 3 can be effectively solved without affecting the normal operation of the railway.

In one embodiment, please refer to FIG. 7, in the treatment method provided by the present application, S10, the step of forming a new boss 4 connected to the bottom plate 1 in the frame groove 22 of the track plate 2, including:

S11, implant reinforcement body on the bottom plate 1 in the frame groove 22 of the track plate 2;

S12, fixing the first template in the frame groove 22 to enclose a reinforcing steel body;

S13, pouring concrete in the first formwork to form a new boss 4;

S14, remove the first template;

S15 , filling the filler 5 between the new boss 4 and the track plate 2 .

Specifically, the new boss 4 is formed by pouring concrete on the steel body. During pouring, in order to prevent the concrete from flowing into the unnecessary space such as the bottom of the track slab 2, a first formwork is set to restrict the flow direction of the concrete and prevent the loss of the concrete. .

Preferably, the reinforcement body includes vertical bars (not shown in the figure) and stirrups (not shown in the figure). Drill holes on the bottom plate 1 in the frame groove 22, use the reinforcing bar glue to implant the vertical bars into the track plate 2, and bind the stirrups on the vertical bars. Preferably, the diameter of the drilled hole is 32mm, the depth is 220mm, the diameter of the vertical rib is 25mm, the length is 435mm, and the hardness is 400HRB. The stirrups are made of steel bars with a diameter of 12mm and a hardness of 400HRB. The reinforcing steel body thus formed has a higher strength, so that the strength of the new boss 4 formed after the concrete is poured is also higher.

And after the concrete is poured, after the concrete is fixed and formed, preferably, the first formwork is removed after the strength of the concrete is raised to 10 MPa, and the concrete is polished to make the outer surface of the formed concrete flat. A gap is formed between the new boss 4 and the track plate 2. By filling the filler 5 between the new boss 4 and the track plate 2, the impact load between the track plate 2 and the new boss 4 can be effectively reduced.

In one embodiment, in the treatment method provided by the present application, S15, the step of filling the filling body 5 between the new boss 4 and the track plate 2 includes:

Fill the foam layer 51 on the bottom plate 1 between the new boss 4 and the track plate 2;

Place the resin bag on the foam layer 51;

Pour the resin in the resin bag;

Apply sealant between the new boss 4 and the track plate 2 for waterproofing.

Specifically, the resin is formed by pouring, and the foam layer 51 is filled on the bottom plate 1 between the new boss 4 and the track plate 2 to prevent the resin from flowing into the bottom of the track plate 2 during the pouring process, causing certain waste. In the subsequent use process, in order to prevent rainwater from entering and affecting the performance of the resin, a sealant is applied between the new boss 4 and the track plate 2 to perform waterproof treatment on the resin. Preferably, the sealant is a silicone sealant. glue.

In one embodiment, referring to Fig. 7, in the treatment method provided by the application, S20, the step of repairing the original bosses 3 in the opening grooves 21 at both ends of the track plate 2 includes:

S21, chisel the damaged concrete of the original boss 3 and the filler 5 around the original boss 3;

S22. Check and replant the damaged steel bars of the original boss 3;

S23, install the second template to surround the original boss 3;

S24, pour concrete in the second formwork to repair the original boss 3;

S25, remove the second template;

S26 , filling a new filling body 5 around the original boss 3 .

Specifically, before repairing the original boss 3 , the filler 5 around the original boss 3 and the damaged concrete of the original boss 3 need to be chiseled first, so as to facilitate subsequent construction, and the original boss 3 needs to be chiseled before the original boss 3 is removed. In the process of damaging the concrete, it is necessary to extend a little to the middle direction of the original boss 3 on the basis of completely removing the damaged concrete, so that the concrete can be completely exposed to the new surface. In the process of replanting the rebar, it is necessary to adjust the position of the rebar, extend the rebar with insufficient length by welding, and replant the rebar as needed, so that the rebar in the original boss 3 meets the relevant design requirements.

After the installation of the second formwork, the remaining concrete of the original boss 3 needs to be wetted with water or painted with interface agent, and then the polymer concrete shall be configured and poured in proportion. , and grind and clean the solidified concrete.

S26. The step of filling the periphery of the original boss 3 with a new filling body 5 specifically includes: firstly installing a foam board and a resin bag at the bottom of the bottom plate 1, the top surface of the foam board should be higher than or equal to the bottom surface of the track board 2, and then press The proportion of resin material with good elasticity is configured, and it is poured into the resin bag after stirring evenly.

The various embodiments/implementations provided in this application may be combined with each other under the condition that no contradiction arises.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims (10)

1. The utility model provides a structure of administering of ballastless track boss damage which characterized in that includes:

a base plate;

the track plate is arranged on the bottom plate, open slots are formed in two ends of the track plate respectively, and a frame slot is formed between the two ends of the track plate;

the original lug boss is connected with the base, arranged between two adjacent track plates and positioned in a space surrounded by two adjacent open slots; and

and a new boss formed in the frame groove, the new boss being connected with the base plate.

2. The governance structure of claim 1, further comprising a filler body that fills around the new boss between the new boss and the track plate.

3. The abatement structure of claim 2, wherein the filling body comprises a foam layer and a buffer layer, wherein the foam layer is filled on the bottom plate, the height of the top surface of the foam layer is equal to the height of the bottom surface of the track plate, and the buffer layer is filled on the foam layer.

4. A harnessing structure according to claim 3, wherein the cushioning layer comprises a resin bag and resin, the resin being cast within the resin bag; and/or the presence of a gas in the gas,

the filling body further comprises a waterproof layer for preventing rainwater from permeating into the buffer layer.

5. A remediation structure as claimed in any one of claims 1 to 4 wherein the new ledge comprises:

the reinforcing steel bar frame is connected with the bottom plate; and

and the boss body is formed by pouring concrete into the reinforcing steel bar frame.

6. The treatment structure according to any one of claims 1 to 4, wherein the number of the new bosses in each frame groove is one, and two ends of each new boss in the extension direction of the ballastless track are adjacent to the track slab; or,

the number of the new bosses in each frame groove is two, and the new bosses are respectively arranged on two sides of the frame groove along the extension direction of the ballastless track.

7. A treatment method for damage of a ballastless track boss is characterized by comprising the following steps:

constructing and forming a new boss connected with the bottom plate in the frame groove of the track slab;

and repairing original bosses in open grooves at two ends of the track plate.

8. A treatment method according to claim 7, wherein the step of forming a new boss to be connected to the base plate in the frame groove of the track plate comprises:

implanting a steel bar body on a bottom plate in the track slab frame groove;

fixing a first template in the frame groove, and enclosing the reinforcement body;

pouring concrete in the first template to form the new boss;

removing the first template;

and filling a filling body between the new boss and the track plate.

9. The abatement method of claim 8, wherein the step of filling a filler between the new boss and the track plate comprises:

filling a foam layer on the base plate between the new boss and the rail plate;

placing a resin bag on the foam layer;

pouring resin into the resin bag;

and coating a sealant between the new boss and the track slab for waterproof treatment.

10. The treatment method according to claim 7, wherein the step of repairing the original bosses in the open grooves at the two ends of the track slab comprises the following steps:

chiseling damaged concrete of the original boss and a filling body around the original boss;

checking and replanting the damaged reinforcing steel bars of the original bosses;

installing a second template to surround the original boss;

pouring concrete in the second template to repair the original boss;

removing the second template;

and filling a new filling body around the original boss.

Images