CN112064424A - Quick construction method for road section track at level crossing - Google Patents
Quick construction method for road section track at level crossing Download PDFInfo
- Publication number
- CN112064424A CN112064424A CN202010785987.8A CN202010785987A CN112064424A CN 112064424 A CN112064424 A CN 112064424A CN 202010785987 A CN202010785987 A CN 202010785987A CN 112064424 A CN112064424 A CN 112064424A
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- China
- Prior art keywords
- rail
- protective cover
- cover plate
- groove
- level crossing
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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
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a rapid construction method for a rail at a level crossing section, which belongs to the technical field of rail construction, and mainly adopts the technical means of forming the whole steel rail in advance and entering the groove at one time, thereby avoiding the occurrence of the condition that welding reserved positions are required to be independently arranged among the sections of the steel rail in the traditional mode, and simultaneously, the whole construction step has no processes of secondary pouring of a road bed, construction of an in-groove structure, secondary welding and the like, thereby reducing the construction cost and shortening the social traffic opening time at a crossing; in addition, the protective cover plates are respectively paved on the rail bearing grooves before and after the steel rails are put into the grooves, so that the social vehicles can normally run, and the influence of the rail construction at the level crossing on the social traffic is effectively reduced.
Description
Technical Field
The invention relates to the technical field of track construction, in particular to a rapid construction method for a road section track of a level crossing.
Background
Modern tram lines generally run in urban areas, and at present, the tram right of way forms are mainly divided into two types, one type is an independent right of way, and the other type is a shared right of way; for track sharing right of way construction (namely crossing construction), the construction mode can be divided into two types of broken road construction and non-broken road construction, the broken road construction is to close the whole crossing, namely, the normal traffic of the whole crossing is interrupted, and great influence is brought to people's traffic trip. How to accelerate the construction speed of the road section track of the level crossing and avoid great influence on the normal traffic of social vehicles becomes a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a rapid construction method for a track at a road section of a level crossing, which can effectively improve the construction efficiency of the track in the road section of the level crossing and reduce the influence of the track on social traffic.
The embodiment of the invention is realized by the following steps:
a quick construction method for a road section track at a level crossing comprises the following steps:
s1, carrying out road surface excavation, paving a rail supporting groove and pouring a formed ballast bed;
s2, paving a protective cover plate above the rail bearing groove, or filling a protective sand bag in the rail bearing groove to ensure that social vehicles can normally pass through the road section of the level crossing;
s3, determining the overall length of the steel rail in the track according to the construction length of the road section of the level crossing, conveying each rail section of the steel rail into a roadbed section adjacent to the road section of the level crossing, and sequentially welding to form the steel rail in advance;
s4, removing a protective cover plate or a protective sand bag, conveying the formed steel rail into a rail bearing groove, finely adjusting and fixing the steel rail, and then pouring a high polymer material in the rail bearing groove to lock and fix the steel rail;
and S5, after the steel rail enters the groove, laying a protective cover plate above the rail bearing groove of the temporary passing road section to ensure the normal passing of social vehicles, and after the high polymer material reaches the required strength, removing the protective cover plate to recover the traffic.
Preferably, the step S5 of laying the protective cover plate above the rail groove of the temporary passing road section includes the following steps:
l1, respectively arranging guide slopes at the outer sides of the rail bearing grooves at the two sides, and keeping a certain distance between the guide slopes and the notch edges of the rail bearing grooves;
l2, paving a wood board between the rail bearing grooves on the two sides to fixedly connect the wood board with the ballast bed, wherein the wood board is matched with the guide plates on the two sides to define a mounting plane for bearing the protective cover plate;
l3, laying a protective cover plate on the installation plane, and connecting and fixing four corners of the protective cover plate and the corresponding guide slopes by connecting bolts.
In another preferred embodiment, the step S5 of laying the protective cover plate above the rail groove of the temporary passing road section includes the following steps:
l1, paving square timbers outside the rail bearing grooves on the two sides to fix the square timbers and the ballast bed;
l2, arranging and paving a wood board between the rail bearing grooves on the two sides to fix the wood board and the ballast bed, wherein the top surface of the wood board and the top surface of the square wood define a mounting plane for receiving the protective cover plate;
l3, laying a protective cover plate on the installation plane.
Preferably, in step 5, after the protective cover plate is laid, a certain vertical distance is left between the protective cover plate and the top of the steel rail.
Preferably, in step S1, after the track bed is cast, asphalt is spread.
Preferably, in step S1, the road surface is excavated by a chamfering method.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention provides a rapid construction method for a highway section track at a level crossing, which mainly adopts the technical means of once groove entering of steel rails, avoids the occurrence of the situation that welding reserved positions need to be independently arranged among steel rail sections in the traditional mode, and simultaneously, the whole construction step does not have the procedures of secondary pouring of a track bed, construction of an in-groove structure, secondary welding and the like, thereby reducing the construction cost and shortening the social traffic opening time at the crossing; in addition, the protective cover plates are respectively paved on the rail bearing grooves before and after the steel rails are put into the grooves, so that the social vehicles can normally run, and the influence of the rail construction at the level crossing on the social traffic is effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic flow chart of example 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of a protective cover plate laid before a steel rail is inserted into a groove in example 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of a protective sandbag used to replace a protective cover plate before a steel rail enters a groove to ensure normal passage of social vehicles;
fig. 4 is a schematic cross-sectional view of a protective cover plate laid on a temporary passing road section after a steel rail enters a groove in embodiment 1 of the invention;
fig. 5 is a schematic plan view of a protective cover plate laid on a temporary passing road section after a steel rail enters a groove in embodiment 1 of the invention;
fig. 6 is a schematic cross-sectional view of a protective cover plate laid on a temporary passing road section after a steel rail enters a groove in embodiment 2 of the invention;
fig. 7 is a schematic plan view of a protective cover plate laid on a temporary passing road section after a steel rail enters a groove in embodiment 2 of the invention.
[ description of specific symbols ]:
1-track bed, 2-rail supporting groove, 3-high polymer material, 4-protective sand bag, 5-square wood, 6-protective cover plate, 7-wood plate, 8-cement nail, 9-steel rail, 10-guide slope, 11-connecting bolt and 12-buffer sand bag.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated 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 appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present invention do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, 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, fig. 2, fig. 4 and fig. 5, embodiment 1 provides a method for quickly constructing a track at a level crossing, which includes the following steps:
s1, carrying out road surface excavation, paving a rail supporting groove and pouring a formed ballast bed;
s2, paving a protective cover plate above the rail bearing groove to ensure that social vehicles can normally pass through the road section of the level crossing;
s3, determining the overall length of the steel rail in the track according to the construction length of the road section of the level crossing, conveying each rail section of the steel rail into a roadbed section adjacent to the road section of the level crossing, and sequentially welding to form the steel rail in advance;
s4, removing a protective cover plate or a protective sand bag, conveying the formed steel rail into a rail bearing groove, finely adjusting and fixing the steel rail, and then pouring a high polymer material in the rail bearing groove to lock and fix the steel rail;
and S5, after the steel rail enters the groove, laying a protective cover plate above the rail bearing groove of the temporary passing road section to ensure the normal passing of social vehicles, and after the high polymer material reaches the required strength, removing the protective cover plate to recover the traffic.
In this embodiment 1, since the steel rail is formed in advance in step S3, the whole steel rail can be once put into the groove, the welding space does not need to be reserved, and the procedures of secondary pouring of the track bed, construction of the in-groove structure, secondary welding and the like do not exist, thereby reducing the construction cost. In addition, the protective cover plates are laid on the rail bearing grooves before and after the rails are put into the grooves, so that social vehicles can normally run on the protective cover plates, and the influence of rail construction at the level crossing on social traffic is reduced.
More specifically, the protective cover plates used for twice laying are steel plates with the length of 5m, the width of 2.5m and the height of 0.02m, the longitudinal laying mode is adopted, welding treatment is carried out on the joints of the adjacent steel plates, the length of the welding line is 10cm, and the social vehicles are guaranteed not to damage rail bearing grooves.
Referring to fig. 3, in step S2, in addition to the protection of the in-groove structure of the rail-supporting groove by the protective cover plate, the implementer can fill a protective sandbag in the rail-supporting groove, so as to protect the in-groove structure and meet the traffic demand of the social vehicles. Meanwhile, after the road bed is poured and molded, implementing personnel should pave asphalt as soon as possible to ensure that the road section of the road junction can normally pass through.
More specifically, in this embodiment 1, the conveying operation of the steel rail is realized by hoisting through a crane, and the implementer can replace the steel rail through a roller.
More importantly, in the embodiment 1, the step S5 of laying the protective cover plate above the rail-bearing groove of the temporary passing road section includes the following steps:
l1, respectively arranging guide slopes at the outer sides of the rail bearing grooves at the two sides, and keeping a certain distance between the guide slopes and the notch edges of the rail bearing grooves;
l2, paving a wood board between the rail bearing grooves on the two sides to fixedly connect the wood board with the ballast bed, wherein the wood board is matched with the guide plates on the two sides to define a mounting plane for bearing the protective cover plate;
l3, laying a protective cover plate on the installation plane, and connecting and fixing four corners of the protective cover plate and the corresponding guide slopes by connecting bolts.
Referring to fig. 4, the guiding slope refers to a steel structure slope, which plays a role of guiding social vehicles to pass through in addition to a role of supporting a protective cover plate, and needs to be subjected to anti-skid treatment when in use. In the present embodiment 1, the guide slope is formed with a step, and the step surfaces of the guide slopes on both sides are used to contact the shield plate.
After the guide slopes and the wood boards are deployed, the step surfaces on the guide slopes on the two sides are matched with the top surfaces of the wood boards to form a horizontal installation plane for placing and bearing the protective cover plate. The corners of the two side edges of the protective cover plate are fixedly connected with the guide slope bolts of the corresponding side. The wood board is fixed with the ballast bed through cement nails.
When the protective cover plate is fixedly connected above the mounting plane, a certain distance is kept between the guide slope and the edge of the notch of the rail bearing groove, and a certain vertical distance is also reserved between the protective cover plate and the top of the steel rail, so a reserved protective space can be formed between the edge of the two sides of the notch of the rail bearing groove and the protective cover plate, and the reserved protective space can effectively prevent the protective cover plate from directly transmitting the disturbance generated by the passage of social vehicles to the rail bearing groove and influencing the rail bearing groove.
Example 2
Referring to fig. 6 and 7, the embodiment 2 is substantially the same as the embodiment 1, and the main difference between the two embodiments is: in step S5, the specific manner and steps of laying the protective cover for the second time are different.
In embodiment 2, the step S5 of laying the protective cover plate above the rail groove of the temporary passing road section includes the following steps:
l1, paving square timbers outside the rail bearing grooves on the two sides to fix the square timbers and the ballast bed;
l2, arranging and paving a wood board between the rail bearing grooves on the two sides to fix the wood board and the ballast bed, wherein the top surface of the wood board and the top surface of the square wood define a mounting plane for receiving the protective cover plate;
l3, laying a protective cover plate on the installation plane.
In this embodiment 2, the protective cover plate has a length of 5m, a width of 2.5m and a height of 0.02m, and is specifically laid longitudinally. The four corners of the steel plate are perforated in advance, so that the steel plate is convenient to deploy and hoist during disassembly. Selecting a wood board with the length of 2m, the width of 1.1m and the height of 0.04 m; the selected square wood has a length of 3m, a width of 0.15m and a height of 0.04 m. After the square timber bunk is deployed, high-quality buffer sandbags with the length of 0.7m, the width of 0.3m and the height of 0.04m are suitable to be paved on the outer sides of the square timber bunks, so that the buffer transition effect between social vehicles and the protective cover plate is realized.
In this embodiment 2, both the wood board and the batten are fixed to the track bed by the cement nails.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A quick construction method for a road section track at a level crossing is characterized by comprising the following steps:
s1, carrying out road surface excavation, paving a rail supporting groove and pouring a formed ballast bed;
s2, paving a protective cover plate above the rail bearing groove, or filling a protective sand bag in the rail bearing groove to ensure that social vehicles can normally pass through the road section of the level crossing;
s3, determining the overall length of the steel rail in the track according to the construction length of the road section of the level crossing, conveying each rail section of the steel rail into a roadbed section adjacent to the road section of the level crossing, and sequentially welding to form the steel rail in advance;
s4, removing a protective cover plate or a protective sand bag, conveying the formed steel rail into a rail bearing groove, finely adjusting and fixing the steel rail, and then pouring a high polymer material in the rail bearing groove to lock and fix the steel rail;
and S5, after the steel rail enters the groove, laying a protective cover plate above the rail bearing groove of the temporary passing road section to ensure the normal passing of social vehicles, and after the high polymer material reaches the required strength, removing the protective cover plate to recover the traffic.
2. The method for constructing a track of a road junction according to claim 1, wherein the step S5 of laying a protective cover plate above the rail groove of the temporary passing section comprises the steps of:
l1, respectively arranging guide slopes at the outer sides of the rail bearing grooves at the two sides, and keeping a certain distance between the guide slopes and the notch edges of the rail bearing grooves;
l2, paving a wood board between the rail bearing grooves on the two sides to fixedly connect the wood board with the ballast bed, wherein the wood board is matched with the guide plates on the two sides to define a mounting plane for bearing the protective cover plate;
l3, laying a protective cover plate on the installation plane, and connecting and fixing four corners of the protective cover plate and the corresponding guide slopes by connecting bolts.
3. The method for constructing a track of a road junction according to claim 1, wherein the step S5 of laying a protective cover plate above the rail groove of the temporary passing section comprises the steps of:
l1, paving square timbers outside the rail bearing grooves on the two sides to fix the square timbers and the ballast bed;
l2, arranging and paving a wood board between the rail bearing grooves on the two sides to fix the wood board and the ballast bed, wherein the top surface of the wood board and the top surface of the square wood define a mounting plane for receiving the protective cover plate;
l3, laying a protective cover plate on the installation plane.
4. The rapid construction method of a road section track of a level crossing according to any one of claims 2 or 3, characterized in that:
in step 5, after the protective cover plate is laid, a certain vertical distance is reserved between the protective cover plate and the top of the steel rail.
5. The method of claim 1, wherein in step S1, asphalt is spread after the track bed is formed.
6. The method of claim 1, wherein the surface excavation is performed in a chamfered manner at step S1.
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| CN202010785987.8A CN112064424B (en) | 2020-08-07 | 2020-08-07 | Quick construction method for road section track at level crossing |
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| CN202010785987.8A CN112064424B (en) | 2020-08-07 | 2020-08-07 | Quick construction method for road section track at level crossing |
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| CN112064424B CN112064424B (en) | 2022-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982044A (en) * | 2021-03-24 | 2021-06-18 | 广西柳州钢铁集团有限公司 | Construction process for quickly forming integral road bed of road junction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112982044A (en) * | 2021-03-24 | 2021-06-18 | 广西柳州钢铁集团有限公司 | Construction process for quickly forming integral road bed of road junction |
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