Bridge forming linear control method and device for ballast track long-span bridge of high-speed railway

Abstract

The invention provides a bridge forming linear control method and device for a large-span bridge of a high-speed railway ballast track. The method comprises the following steps: determining a random irregularity chord measurement value of the high-speed railway ballast track; according to the static long-wave irregularity acceptance standard chord measurement value of the large-span bridge track and the random irregularity chord measurement value of the high-speed railway ballast track, determining a static long-wave irregularity chord measurement value limit value of the large-span bridge track of the high-speed railway ballast track; according to the static long-wave irregularity chord measurement value limit value of the high-speed railway ballast track large-span bridge track, the static long-wave irregularity chord measurement value of the track after track laying of the high-speed railway ballast track large-span bridge track is determined; the irregularity adjustment amount of the large-span bridge track of the ballast track of the high-speed railway is determined; performing actual measurement analysis on the high-speed railway ballast track long-span bridge, and determining a finished bridge linear acceptance standard chord measurement value of the high-speed railway ballast track long-span bridge; the bridge forming linear control standard of the ballast track large-span bridge of the high-speed railway is determined, and stable operation of a high-speed train is guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of rail transit technology, and in particular to a method and device for controlling the alignment of a long-span bridge on a ballasted track of a high-speed railway. Background Art

[0002] This section is intended to provide a background or context to the embodiments of the invention recited in the claims. No admission is made that the description herein is prior art by inclusion in this section.

[0003] Under the combined effects of factors such as temperature, wind, secondary constant load and construction deviation, large-span bridges are in a state of vertical, lateral, longitudinal and torsional changes for a long time, and their deformation is complex. The measurement results of track laying accuracy during the acceptance and operation and maintenance stages include not only the line laying accuracy deviation, but also the bridge construction deviation and temperature deformation. The long-wave static height unevenness of the track and the track elevation are greatly affected by the bridge line shape.

[0004] Affected by factors such as manufacturing deviation, construction deviation, second-phase constant load deviation and ambient temperature, the finished alignment of ballasted track long-span bridges often deviates from the designed alignment, and the deviation effect is too large, making track laying difficult and bringing various uncertainties to the normal operation of high-speed railways. In order to meet the requirements of track smoothness and ballast bed laying on the bridge, it is urgent to determine the control standard of the finished alignment based on various errors and reserved control measures to meet the requirements of track laying and normal operation of high-speed railways. Summary of the invention

[0005] The embodiment of the present invention provides a method for controlling the alignment of a long-span bridge on a high-speed railway ballasted track, which is used to determine the alignment control standard of a long-span bridge on a high-speed railway ballasted track to meet the requirements of track laying and normal operation of the high-speed railway. The method includes:

[0006] Determine the chord measurement value of random unevenness of ballasted track on high-speed railway;

[0007] According to the standard chord measurement value of static long-wave irregularity acceptance of long-span bridge track and the random irregularity chord measurement value of high-speed railway ballasted track, the limit value of static long-wave irregularity chord measurement of high-speed railway ballasted track long-span bridge is determined;

[0008] According to the limit value of the static long-wave unevenness chord measurement of the high-speed railway ballasted track long-span bridge, the static long-wave unevenness chord measurement value of the track after track laying of the high-speed railway ballasted track long-span bridge is determined;

[0009] According to the allowable value of the ballast track thickness deviation of the long-span bridge on the high-speed railway, the adjustment amount of the track irregularity of the long-span bridge on the high-speed railway with ballasted track is determined;

[0010] By conducting actual measurement and analysis on the long-span bridges on the ballasted track of the high-speed railway, and combining the track unevenness adjustment amount of the long-span bridges on the ballasted track of the high-speed railway and the static long-wave unevenness chord measurement value of the track after track laying, the standard chord measurement value for the line shape acceptance of the long-span bridges on the ballasted track of the high-speed railway was determined.

[0011] The embodiment of the present invention also provides a bridge alignment control device for a high-speed railway ballasted track long-span bridge, which is used to determine the bridge alignment control standard for a high-speed railway ballasted track long-span bridge to meet the track laying and normal operation requirements of the high-speed railway. The device includes:

[0012] A random uneven chord measurement value determination module is used to determine the random uneven chord measurement value of the high-speed railway ballasted track;

[0013] The track unevenness chord measurement limit determination module is used to determine the track static long-wave unevenness chord measurement limit of the high-speed railway ballasted track large-span bridge according to the standard chord measurement value of the static long-wave unevenness acceptance of the long-span bridge track and the random unevenness chord measurement value of the high-speed railway ballasted track;

[0014] A module for determining the track unevenness chord measurement value after track laying, which is used to determine the track static long-wave unevenness chord measurement value of the high-speed railway ballasted track large-span bridge after track laying according to the track static long-wave unevenness chord measurement value limit of the high-speed railway ballasted track large-span bridge;

[0015] The module for determining the unevenness adjustment amount is used to determine the unevenness adjustment amount of the high-speed railway ballasted track long-span bridge track according to the allowable value of the roadbed thickness deviation of the high-speed railway ballasted track long-span bridge track;

[0016] The module for determining the alignment acceptance standard of completed bridges is used to conduct actual measurement and analysis of long-span bridges on high-speed railway ballasted tracks. It determines the chord measurement value of the alignment acceptance standard of long-span bridges on high-speed railway ballasted tracks by combining the track unevenness adjustment amount of long-span bridges on high-speed railway ballasted tracks and the static long-wave unevenness chord measurement value of the track after track laying of long-span bridges on high-speed railway ballasted tracks.

[0017] An embodiment of the present invention also provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the above-mentioned method for controlling the bridge alignment of a large-span bridge on a ballasted track of a high-speed railway when executing the computer program.

[0018] An embodiment of the present invention also provides a computer-readable storage medium, which stores a computer program. When the computer program is executed by a processor, it implements the above-mentioned method for controlling the bridge alignment of a large-span bridge on a ballasted track of a high-speed railway.

[0019] An embodiment of the present invention further provides a computer program product, which includes a computer program. When the computer program is executed by a processor, it implements the above-mentioned method for controlling the bridge alignment of a large-span bridge on a ballasted track of a high-speed railway.

[0020] The method and device for controlling the line shape of a long-span bridge on a ballasted track of a high-speed railway according to the embodiment of the present invention include: determining the random uneven chord measurement value of the ballasted track of the high-speed railway; determining the static long-wave uneven chord measurement value limit of the track of the long-span bridge on the ballasted track of the high-speed railway according to the standard chord measurement value of the static long-wave unevenness acceptance of the track of the long-span bridge and the random uneven chord measurement value of the ballasted track of the high-speed railway; determining the static long-wave uneven chord measurement value of the track of the long-span bridge on the ballasted track of the high-speed railway after track laying according to the static long-wave uneven chord measurement value limit of the track of the long-span bridge on the ballasted track of the high-speed railway; determining the static long-wave uneven chord measurement value of the track of the long-span bridge on the ballasted track of the high-speed railway ... according to the static long-wave uneven chord measurement value limit of the track of the long-span bridge on the ballasted track of the high-speed railway according to the static long-wave uneven chord measurement value limit of the track of the long-span bridge on the ballasted track of the high-speed railway according to the static long-wave uneven The allowable value of the thickness deviation of the ballast track of a long-span bridge on a railway is used to determine the amount of adjustment for the track unevenness of the long-span bridge on a high-speed railway with ballasted track; the large-span bridge on a high-speed railway with ballasted track is measured and analyzed, and the standard chord measurement value for the line shape acceptance of the long-span bridge on a high-speed railway with ballasted track is determined in combination with the amount of adjustment for the track unevenness of the long-span bridge on a high-speed railway with ballasted track and the static long-wave uneven chord measurement value of the track after track laying of the large-span bridge on a high-speed railway with ballasted track; the embodiment of the present invention can determine the line shape control standard for the long-span bridge on a high-speed railway with ballasted track, thereby ensuring the smooth operation of high-speed trains. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0022] Figure 1 It is a schematic diagram of a bridge alignment control method for a long-span bridge on a high-speed railway ballasted track according to an embodiment of the present invention;

[0023] Figure 2 A specific example diagram for determining the chord measurement value of random unevenness of ballasted track of high-speed railway;

[0024] Figure 3 A specific example diagram of determining the limit value of the track static long-wave unevenness chord measurement of a long-span bridge on a high-speed railway ballasted track in an embodiment of the present invention;

[0025] Figure 4 It is a specific example diagram of determining the track static long-wave unevenness chord measurement value after track laying of a long-span bridge on a high-speed railway ballasted track in an embodiment of the present invention;

[0026] Figure 5 A specific example diagram of determining the standard chord measurement value of the completed bridge alignment acceptance of a long-span bridge on a high-speed railway ballasted track in the implementation of the present invention;

[0027] Figure 6 This is a graph showing actual construction deviation of Bridge A in an embodiment of the present invention;

[0028] Figure 7 This is a curve diagram of the actual construction deviation of Bridge A in the embodiment of the present invention after it is magnified by 1.1 times;

[0029] Figure 8 This is a diagram showing the variation regularity of the fluctuation range of the unevenness adjustment amount of bridge A in the embodiment of the present invention;

[0030] Fig. 9 This is a graph showing actual construction deviation of Bridge B in an embodiment of the present invention;

[0031] Fig.10 This is a curve diagram after the actual construction deviation of Bridge B in the embodiment of the present invention is magnified by 1.1 times;

[0032] Fig.11 This is a diagram showing the variation regularity of the fluctuation range of the unevenness adjustment amount of the B bridge in the embodiment of the present invention;

[0033] Fig.12 It is a schematic diagram of the structure of a bridge alignment control device for a large-span bridge on a ballasted track of a high-speed railway in an embodiment of the present invention. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] As mentioned above, affected by factors such as manufacturing deviation, construction deviation, second-phase constant load deviation and ambient temperature, the completed bridge alignment of a large-span bridge on a ballasted track often deviates from the designed alignment, and the deviation effect is too large, making track laying difficult, and bringing multiple uncertainties to the normal operation of the high-speed railway. In order to solve this problem, an embodiment of the present invention proposes a bridge alignment control method for a large-span bridge on a ballasted track of a high-speed railway, determines the standard chord measurement value for the completed bridge alignment acceptance of a large-span bridge on a ballasted track of a high-speed railway, and solves the problems of large deviation effect, difficult track laying and large uncertainty of large-span bridges on ballasted tracks of high-speed railways in the prior art.

[0036] Figure 1 FIG. 1 is a schematic diagram of a method for controlling the alignment of a long-span bridge on a high-speed railway ballasted track according to an embodiment of the present invention. Figure 1 As shown, the method includes:

[0037] Step 101, determining the random uneven chord measurement value of the high-speed railway ballasted track;

[0038] Step 102, determining the track static long-wave unevenness chord measurement limit of the high-speed railway ballasted track large-span bridge according to the standard chord measurement value of the static long-wave unevenness acceptance of the long-span bridge track and the random unevenness chord measurement value of the high-speed railway ballasted track;

[0039] Step 103, according to the track static long wave uneven chord measurement value limit of the high-speed railway ballasted track large span bridge, determine the track static long wave uneven chord measurement value after track laying of the high-speed railway ballasted track large span bridge;

[0040] Step 104, determining the track unevenness adjustment amount of the high-speed railway ballasted track long-span bridge according to the allowable value of the roadbed thickness deviation of the high-speed railway ballasted track long-span bridge;

[0041] Step 105: Conduct actual measurement and analysis on the long-span bridge on the ballasted track of the high-speed railway, and determine the standard chord measurement value for the line shape acceptance of the long-span bridge on the ballasted track of the high-speed railway, based on the track unevenness adjustment amount of the long-span bridge on the ballasted track of the high-speed railway and the track static long-wave unevenness chord measurement value after track laying of the long-span bridge on the ballasted track of the high-speed railway.

[0042] Figure 2 A specific example diagram for determining the chord measurement value of random unevenness of high-speed railway ballasted track, such as Figure 2 As shown, firstly, the measured data of multiple high-speed railway ballasted tracks are cumulatively distributed and statistically analyzed, and then the cumulative distribution value reaching a predetermined confidence interval is determined as the random uneven chord measurement value of the high-speed railway ballasted track.

[0043] For example, the cumulative distribution statistics of the measured data of multiple high-speed railway ballasted tracks can be used to determine the cumulative distribution value corresponding to the 95% predetermined confidence interval, and the cumulative distribution value can be determined as the random unevenness chord measurement value of the high-speed railway ballasted track; the 60m chord measurement value of the random unevenness of the high-speed railway ballasted track is obtained to be 3.652mm.

[0044] Figure 3 FIG. 1 is a specific example diagram of determining the limit of the static long-wave unevenness chord measurement value of the track of a high-speed railway ballasted track and a long-span bridge in an embodiment of the present invention, as shown in FIG. Figure 3 As shown in the figure, the standard chord measurement value of static long-wave unevenness acceptance of large-span bridge track is subtracted from the random uneven chord measurement value of high-speed railway ballasted track, so as to obtain the static long-wave uneven chord measurement limit of track corresponding to the construction deviation and ballast density deviation of large-span bridge on high-speed railway ballasted track.

[0045] For example, the standard 60m chord measurement value of 10mm for static long-wave irregularity acceptance of large-span bridge track is subtracted from the 60m chord measurement value of 3.652mm for random irregularity of high-speed railway ballasted track, and the 60m chord measurement limit of static long-wave irregularity of track corresponding to large-span bridges on high-speed railway ballasted track due to construction deviation and ballast density deviation is 6.348mm.

[0046] Figure 4 FIG. 1 is a specific example diagram of determining the track static long-wave unevenness chord measurement value after track laying of a long-span bridge on a high-speed railway ballasted track in an embodiment of the present invention, as shown in FIG. Figure 4 As shown, based on the limit values ​​of static long-wave uneven chord measurement values ​​of the track on the long-span bridge with ballasted track of high-speed railway, as well as the influence of bridge temperature deformation and safety redundancy, the static long-wave uneven chord measurement values ​​of the track after track laying of the long-span bridge with ballasted track of high-speed railway are determined.

[0047] For example, according to the 60m chord measurement limit of track unevenness of large-span bridges on high-speed railway ballasted tracks being 6.348mm, combined with engineering experience and considering the influence of bridge temperature deformation and safety redundancy, it is determined that the 60m chord measurement limit of track static long-wave unevenness of large-span bridges on high-speed railway ballasted tracks after the application of the second-phase constant load is 3mm.

[0048] In the embodiment, the static long-wave unevenness chord measurement values ​​of the track after track laying on the large-span bridge of the high-speed railway ballasted track include 60m, 30m, and 10m chord measurement values.

[0049] For example, since the effective management wavelength of the 60m midpoint chord measurement method is 40 to 120m, in order to meet the full-band management of track smoothness, the static long-wave irregularity of the track corresponding to the large-span bridge on the ballasted track of the high-speed railway due to construction deviations, ballast density deviations and other factors also needs to be managed by the 30m and 10m midpoint chord measurement methods. The effective management wavelengths of the 30m and 10m midpoint chord measurement methods are 20 to 60m and 7 to 20m, respectively. In the embodiment of the present invention, the calculation method of the 30m and 10m chord measurement values ​​is the same as the above-mentioned calculation method of 60m; it will not be repeated here. In the specific implementation, it can be determined that the static long-wave irregularity of the track of the large-span bridge on the ballasted track of the high-speed railway after the application of the second-phase constant load is 2mm for the 30m chord measurement value, and 1mm for the 10m chord measurement value.

[0050] Figure 5 This is a specific example diagram of determining the standard chord measurement value of the completed bridge alignment acceptance standard for a high-speed railway ballasted track long-span bridge in the implementation of the present invention, as shown in FIG. Figure 5As shown, actual measurement and analysis are conducted on the long-span bridges with ballasted tracks of high-speed railways. Under the target of measuring the static long-wave uneven chord value of the track after laying of the long-span bridges with ballasted tracks of high-speed railways, combined with the uneven adjustment amount of the track of the long-span bridges with ballasted tracks of high-speed railways, the following steps are repeated until the uneven adjustment amount of the track of the long-span bridges with ballasted tracks of high-speed railways reaches the upper limit: the actual construction deviation of the long-span bridges with ballasted tracks of high-speed railways is amplified by multiples, and the uneven adjustment amount of the track of the long-span bridges with ballasted tracks of high-speed railways is recalculated under the target of measuring the static long-wave uneven chord value of the track after laying of the long-span bridges with ballasted tracks of high-speed railways; the deviation amplification factor is increased; after the uneven adjustment amount of the track of the long-span bridges with ballasted tracks of high-speed railways reaches the upper limit, the standard chord measurement value of the completed bridge alignment acceptance of the long-span bridges with ballasted tracks of high-speed railways is determined in combination with the safety margin.

[0051] For example, according to the existing regulations, the allowable deviation of the thickness of the ballast track of the high-speed railway long-span bridge is -20 to +100mm, and the adjustment amount of track unevenness in the operation and maintenance stage is reserved. It is determined that the allowable deviation of the thickness of the ballast track of the high-speed railway long-span bridge in the construction acceptance stage is -20 to +80mm, and the maximum adjustment amount of unevenness is 100mm; repeat the execution: multiply the actual construction deviation of the high-speed railway ballasted track long-span bridge, recalculate the static length of the track after the high-speed railway ballasted track long-span bridge is laid Under the premise that the wave unevenness chord measurement target is 3mm for 60m chord measurement, 2mm for 30m chord measurement and 1mm for 10m chord measurement, the unevenness adjustment amount of the high-speed railway ballasted track large-span bridge track is determined; increase the deviation magnification until the unevenness adjustment amount of the high-speed railway ballasted track large-span bridge track reaches the upper limit; after the unevenness adjustment amount of the high-speed railway ballasted track large-span bridge track reaches the upper limit, determine the standard chord measurement value for the high-speed railway ballasted track large-span bridge line shape acceptance as 40mm for 60m chord measurement combined with the safety margin.

[0052] In one example, the complete process for determining the standard chord measurement value for the completed bridge alignment acceptance of the long-span bridge on the ballasted track of the high-speed railway on Bridge A is as follows:

[0053] (1) First, according to the actual working conditions of Bridge A, while ensuring the track irregularity chord measurement target of 3mm for 60m chord measurement, 2mm for 30m chord measurement, and 1mm for 10m chord measurement after track laying, the corresponding adjustment amount of the track of the high-speed railway ballasted track long-span bridge is -23.93mm to 32.34mm, which meets the limit standard; Figure 6 1 is a curve diagram of the actual construction deviation of Bridge A in an embodiment of the present invention, wherein the coordinate diagrams are the 60m chord measurement value, 30m chord measurement value, 10m chord measurement value, deviation value and unevenness adjustment amount before and after adjustment.

[0054] (2) The actual construction deviation of Bridge A is multiplied by 1.1. To ensure the smoothness of the static long-wave unevenness of the track after track laying on the high-speed railway ballasted track large-span bridge, the chord measurement value target is 3 mm for 60 m chord measurement, 2 mm for 30 m chord measurement, and 1 mm for 10 m chord measurement. The corresponding unevenness adjustment amount is -27.07 mm to 37.01 mm, which meets the limit standard. Figure 7 This is a curve diagram after the actual construction deviation of Bridge A in the embodiment of the present invention is magnified by 1.1 times, wherein the coordinate diagrams are respectively the 60m chord measurement value, 30m chord measurement value, 10m chord measurement value, deviation value and adjustment amount before and after adjustment after the actual construction deviation is magnified by 1.1 times.

[0055] (3) The actual construction deviation of Bridge A is further magnified. When the elevation deviation of Bridge A reaches 401.25 mm, which is 1.44 times the actual measured deviation, the corresponding 60 m chord measurement value is 50.50 mm, and the fluctuation range of the unevenness adjustment reaches 100 mm. Figure 8 The diagram is a regular diagram of the fluctuation range of the unevenness adjustment amount of bridge A in the embodiment of the present invention; Table 1 is a summary value of the unevenness adjustment amount corresponding to the magnification of bridge A, as shown in Table 1:

[0056] Table 1 Summary of the unevenness adjustment corresponding to the A-bridge magnification factor

[0057] Magnification Maximum deviation Adjust Max Adjustment Minimum Adjustment amount fluctuation range 1.0 277.80 32.34 -23.93 56.27 1.1 305.58 37.01 -27.07 64.08 1.2 333.36 41.71 -31.78 73.49 1.3 361.14 46.88 -36.65 83.53 1.4 388.92 53.19 -41.91 95.10 1.5 416.70 59.57 -46.57 106.14 2.0 555.60 92.52 -62.69 155.21

[0058] (4) Combined with the safety margin, the standard chord value for the completed bridge alignment of high-speed railway ballasted track large-span bridge A is determined to be 60m and 40mm.

[0059] In another example, the complete process of determining the standard chord measurement value for the completed bridge alignment acceptance of the long-span bridge on the ballasted track of the high-speed railway of Bridge B is as follows:

[0060] (1) First, according to the actual working conditions of Bridge B, while ensuring the smoothness target of the track unevenness chord measurement value of the high-speed railway ballasted track long-span bridge after track laying, which is 3mm for the 60m chord measurement value, 2mm for the 30m chord measurement value, and 1mm for the 10m chord measurement value, the corresponding high-speed railway ballasted track long-span bridge track unevenness adjustment amount is -39.52mm~25.23mm, which meets the limit standard; Fig. 9 1 is a curve diagram of the actual construction deviation of Bridge B in an embodiment of the present invention, wherein the coordinate diagrams are the 60m chord measurement value, 30m chord measurement value, 10m chord measurement value, deviation value and unevenness adjustment amount before and after adjustment.

[0061] (2) The actual construction deviation of Bridge B is multiplied by 1.1. To ensure the smoothness of the static long-wave unevenness of the track after track laying on the long-span bridge of the high-speed railway ballasted track, the chord measurement value target is 3 mm for a 60-m chord measurement, 2 mm for a 30-m chord measurement, and 1 mm for a 10-m chord measurement. The corresponding unevenness adjustment amount is -47.29 mm to 29.42 mm, which meets the limit standard. Fig.10 This is a curve diagram of the actual construction deviation of Bridge B in the embodiment of the present invention after it is magnified by 1.1 times, wherein the coordinate diagrams are respectively the 60m chord measurement value, 30m chord measurement value, 10m chord measurement value, deviation value and unevenness adjustment amount before and after adjustment after the actual construction deviation is magnified by 1.1 times.

[0062] (3) The actual construction deviation of Bridge B is further magnified to determine that when the elevation deviation of Bridge B reaches 803 mm, which is 1.29 times the actual measured deviation, the corresponding 60 m chord measurement value is 47.46 mm, and the fluctuation range of the unevenness adjustment amount reaches 100 mm; Fig.11 1 is a diagram showing the fluctuation range of the unevenness adjustment amount of the B bridge in the embodiment of the present invention; Table 2 is a summary value of the unevenness adjustment amount corresponding to the amplification factor of the B bridge, as shown in Table 1:

[0063] Table 2 Summary of the unevenness adjustment corresponding to the amplification factor of the B bridge

[0064] Magnification Maximum deviation Adjust Max Adjustment Minimum Adjustment amount fluctuation range 1.0 622.70 25.23 -39.52 64.75 1.1 684.97 29.42 -47.29 76.71 1.2 747.24 33.66 -55.30 88.96 1.3 809.51 37.83 -63.43 101.26 1.4 871.78 42.08 -71.85 113.93 1.5 934.05 46.50 -80.36 126.86 2.0 1245.4 69.16 -126.50 195.66

[0065] (4) Combined with the safety margin, the standard chord value for the completed bridge alignment of high-speed railway ballasted track large-span bridges on Bridge B is determined to be 60m and 40mm.

[0066] The embodiment of the present invention also provides a bridge alignment control device for a high-speed railway ballasted track large-span bridge, as described in the following embodiment. Since the principle of solving the problem by the device is similar to the bridge alignment control method for a high-speed railway ballasted track large-span bridge, the implementation of the device can refer to the implementation of the bridge alignment control method for a high-speed railway ballasted track large-span bridge, and the repeated parts will not be repeated.

[0067] Fig.12 FIG. 1 is a schematic diagram of the structure of a bridge alignment control device for a high-speed railway ballasted track long-span bridge according to an embodiment of the present invention. Fig.12 As shown, the device comprises:

[0068] The random uneven chord measurement value determination module 1201 is used to determine the random uneven chord measurement value of the high-speed railway ballasted track;

[0069] The track unevenness chord measurement limit determination module 1202 is used to determine the track static long-wave unevenness chord measurement limit of the high-speed railway ballasted track large-span bridge according to the standard chord measurement value of the static long-wave unevenness acceptance of the long-span bridge track and the random unevenness chord measurement value of the high-speed railway ballasted track;

[0070] The track unevenness chord measurement value determination module 1203 after track laying is used to determine the track static long wave unevenness chord measurement value of the high-speed railway ballasted track large span bridge after track laying according to the track static long wave unevenness chord measurement value limit of the high-speed railway ballasted track large span bridge;

[0071] The module 1204 for determining the unevenness adjustment amount is used to determine the unevenness adjustment amount of the high-speed railway ballasted track long-span bridge track according to the allowable value of the ballast track thickness deviation of the high-speed railway ballasted track long-span bridge track;

[0072] The module 1205 for determining the alignment acceptance standard of the completed bridge is used to conduct actual measurement and analysis on the long-span bridge on the ballasted track of the high-speed railway, and to determine the chord measurement value of the alignment acceptance standard of the long-span bridge on the ballasted track of the high-speed railway, by combining the track unevenness adjustment amount of the long-span bridge on the ballasted track of the high-speed railway and the track static long-wave unevenness chord measurement value after track laying of the long-span bridge on the ballasted track of the high-speed railway.

[0073] In one embodiment, the random uneven chord measurement value determination module 1201 is specifically used to perform cumulative distribution statistics on measured data of multiple high-speed railway ballasted tracks, and determine the cumulative distribution value that reaches a predetermined confidence interval as the random uneven chord measurement value of the high-speed railway ballasted track.

[0074] In one embodiment, the track unevenness chord measurement limit determination module 1202 is specifically used to subtract the random unevenness chord measurement value of the high-speed railway ballasted track from the standard chord measurement value of the static long-wave unevenness acceptance of the large-span bridge track, so as to obtain the track static long-wave unevenness chord measurement limit corresponding to the large-span bridge of the high-speed railway ballasted track due to construction deviation and ballast density deviation factors.

[0075] In one embodiment, the module 1203 for determining the track unevenness chord measurement value after track laying is specifically used to determine the track static long-wave unevenness chord measurement value of the high-speed railway ballasted track large-span bridge after track laying based on the track static long-wave unevenness chord measurement value limit of the high-speed railway ballasted track large-span bridge, as well as the influence of bridge temperature deformation and safety redundancy.

[0076] In one embodiment, the module 1205 for determining the alignment acceptance standard of a completed bridge is specifically used to conduct actual measurement and analysis of a long-span bridge on a ballasted track of a high-speed railway. Under the condition that the static long-wave unevenness and chord measurement value of the track after the laying of the long-span bridge on the ballasted track of the high-speed railway is achieved, combined with the unevenness adjustment amount of the track of the long-span bridge on the ballasted track of the high-speed railway, the following steps are repeatedly performed until the unevenness adjustment amount of the track of the long-span bridge on the ballasted track of the high-speed railway reaches an upper limit: the actual construction deviation of the long-span bridge on the ballasted track of the high-speed railway is amplified by multiples, and the unevenness adjustment amount of the track of the long-span bridge on the ballasted track of the high-speed railway is recalculated under the condition that the static long-wave unevenness and chord measurement value of the track after the laying of the long-span bridge on the ballasted track of the high-speed railway is achieved; the deviation amplification multiple is increased; after the unevenness adjustment amount of the track of the long-span bridge on the ballasted track of the high-speed railway reaches an upper limit, the chord measurement value of the alignment acceptance standard of the long-span bridge on the ballasted track of the high-speed railway is determined in combination with the safety margin.

[0077] An embodiment of the present invention also provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the above-mentioned method for controlling the bridge alignment of a large-span bridge on a ballasted track of a high-speed railway when executing the computer program.

[0078] An embodiment of the present invention further provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the above-mentioned method for controlling the bridge alignment of a large-span bridge on a ballasted track of a high-speed railway.

[0079] An embodiment of the present invention further provides a computer program product, which includes a computer program. When the computer program is executed by a processor, it implements the above-mentioned method for controlling the bridge alignment of a large-span bridge on a ballasted track of a high-speed railway.

[0080] The method and device for controlling the line shape of a long-span bridge on a ballasted track of a high-speed railway according to the embodiment of the present invention determine the random uneven chord measurement value of the ballasted track of the high-speed railway; determine the static long-wave uneven chord measurement value limit of the long-span bridge on the ballasted track of the high-speed railway according to the standard chord measurement value of the static long-wave unevenness of the large-span bridge track and the random uneven chord measurement value of the ballasted track of the high-speed railway; determine the static long-wave uneven chord measurement value of the long-span bridge on the ballasted track of the high-speed railway after track laying according to the track uneven chord measurement limit of the long-span bridge on the ballasted track of the high-speed railway; determine the static long-wave uneven chord measurement value of the long-span bridge on the ballasted track of the high-speed railway ... The allowable value of the thickness deviation of the track bed of a large-span bridge is used to determine the amount of adjustment for the track unevenness of a large-span bridge on a high-speed railway with ballasted track; actual measurement and analysis are performed on the large-span bridge on a high-speed railway with ballasted track, and the standard chord measurement value for the line shape acceptance of the large-span bridge on a high-speed railway with ballasted track is determined in combination with the amount of adjustment for the track unevenness of the large-span bridge on a high-speed railway with ballasted track and the static long-wave uneven chord measurement value of the track after track laying of the large-span bridge on a high-speed railway with ballasted track; the embodiment of the present invention can determine the line shape control standard for the large-span bridge on a high-speed railway with ballasted track, thereby ensuring the smooth operation of high-speed trains.

[0081] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0082] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0083] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0084] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process in the computer or other programmable device. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0085] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for controlling the alignment of a long-span bridge on a high-speed railway ballasted track, characterized in that: include: Determine the chord measurement value of random unevenness of ballasted track on high-speed railway; According to the standard chord measurement value of static long-wave irregularity acceptance of long-span bridge track and the random irregularity chord measurement value of high-speed railway ballasted track, the limit value of static long-wave irregularity chord measurement of high-speed railway ballasted track long-span bridge is determined; According to the limit value of the static long-wave unevenness chord measurement value of the track of the long-span bridge with ballasted track of the high-speed railway, the static long-wave unevenness chord measurement value of the track of the long-span bridge with ballasted track of the high-speed railway after track laying is determined; According to the allowable value of the ballast track thickness deviation of the long-span bridge on the high-speed railway, the adjustment amount of the track irregularity of the long-span bridge on the high-speed railway ballasted track is determined; By conducting actual measurement and analysis on the long-span bridges on the ballasted track of the high-speed railway, and combining the track unevenness adjustment amount of the long-span bridges on the ballasted track of the high-speed railway and the static long-wave unevenness chord measurement value of the track after track laying, the standard chord measurement value for the line shape acceptance of the long-span bridges on the ballasted track of the high-speed railway was determined.

2. The method according to claim 1, characterized in that Determine the random unevenness and chord measurement value of high-speed railway ballasted track, including: The measured data of ballasted tracks of multiple high-speed railways are cumulatively distributed and the cumulative distribution values ​​reaching the predetermined confidence interval are determined as the measured values ​​of random unevenness of the ballasted tracks of high-speed railways.

3. The method according to claim 1, characterized in that According to the standard chord measurement value of static long-wave irregularity acceptance of long-span bridge track and the random irregularity chord measurement value of high-speed railway ballasted track, the limit value of static long-wave irregularity chord measurement value of high-speed railway ballasted track long-span bridge is determined, including: The standard chord measurement value for static long-wave unevenness acceptance of large-span bridge track is subtracted from the random uneven chord measurement value of high-speed railway ballasted track, so as to obtain the static long-wave uneven chord measurement limit of track corresponding to the large-span bridge of high-speed railway ballasted track due to construction deviation and ballast density deviation.

4. The method according to claim 1, characterized in that According to the limit value of the static long wave unevenness chord measurement of the high-speed railway ballasted track long span bridge, the static long wave unevenness chord measurement value of the track after track laying of the high-speed railway ballasted track long span bridge is determined, including: According to the limit values ​​of static long-wave unevenness chord measurement of the track of the large-span bridge with ballasted track of high-speed railway, as well as the influence of bridge temperature deformation and safety redundancy, the static long-wave unevenness chord measurement value of the track after track laying of the large-span bridge with ballasted track of high-speed railway is determined.

5. The method according to claim 4, characterized in that The static long-wave unevenness chord measurement values ​​of the track after track laying on the high-speed railway ballasted track large-span bridge include 60m, 30m, and 10m chord measurement values.

6. The method according to claim 1, characterized in that Conduct actual measurement and analysis on long-span bridges on high-speed railway ballasted tracks, combine the track unevenness adjustment of long-span bridges on high-speed railway ballasted tracks and the static long-wave unevenness chord measurement of long-span bridges on high-speed railway ballasted tracks after track laying, and determine the standard chord measurement value for the line shape acceptance of long-span bridges on high-speed railway ballasted tracks, including: Conduct actual measurement and analysis on the long-span bridges on the ballasted track of the high-speed railway. Under the condition of ensuring the static long-wave uneven chord measurement value of the track after the laying of the long-span bridges on the ballasted track of the high-speed railway, combined with the uneven adjustment amount of the track of the long-span bridges on the ballasted track of the high-speed railway, repeat the following steps until the uneven adjustment amount of the track of the long-span bridges on the ballasted track of the high-speed railway reaches the upper limit: amplify the actual construction deviation of the long-span bridges on the ballasted track of the high-speed railway, recalculate the uneven adjustment amount of the track of the long-span bridges on the ballasted track of the high-speed railway under the condition of ensuring the static long-wave uneven chord measurement value of the track after the laying of the long-span bridges on the ballasted track of the high-speed railway; increase the deviation magnification multiple; After the unevenness adjustment amount of the track of the long-span bridge on the high-speed railway ballasted track reaches the upper limit, the standard chord measurement value of the bridge alignment acceptance standard for the long-span bridge on the high-speed railway ballasted track is determined in combination with the safety margin.

7. A bridge alignment control device for a high-speed railway ballasted track long-span bridge, characterized in that: include: A random uneven chord measurement value determination module is used to determine the random uneven chord measurement value of the high-speed railway ballasted track; The track unevenness chord measurement limit determination module is used to determine the track static long-wave unevenness chord measurement limit of the high-speed railway ballasted track large-span bridge according to the standard chord measurement value of the static long-wave unevenness acceptance of the long-span bridge track and the random unevenness chord measurement value of the high-speed railway ballasted track; A module for determining the track unevenness chord measurement value after track laying, which is used to determine the track static long-wave unevenness chord measurement value of the high-speed railway ballasted track large-span bridge after track laying according to the track static long-wave unevenness chord measurement value limit of the high-speed railway ballasted track large-span bridge; The module for determining the unevenness adjustment amount is used to determine the unevenness adjustment amount of the high-speed railway ballasted track long-span bridge track according to the allowable value of the roadbed thickness deviation of the high-speed railway ballasted track long-span bridge track; The module for determining the alignment acceptance standard of completed bridges is used to conduct actual measurement and analysis of long-span bridges on high-speed railway ballasted tracks. It determines the chord measurement value of the alignment acceptance standard of long-span bridges on high-speed railway ballasted tracks by combining the track unevenness adjustment amount of long-span bridges on high-speed railway ballasted tracks and the static long-wave unevenness chord measurement value of the track after track laying of long-span bridges on high-speed railway ballasted tracks.

8. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the method according to any one of claims 1 to 6 is implemented.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method according to any one of claims 1 to 6 is implemented.

10. A computer program product, characterized in that The computer program product comprises a computer program, and when the computer program is executed by a processor, the method according to any one of claims 1 to 6 is implemented.

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