Automatic design method for construction center line and design center line of asymmetric shield tunnel of subway

Abstract

The invention provides an automatic design method for a construction center line and a design center line of an asymmetric shield tunnel of a subway. The automatic design method comprises the steps that an AutoCAD secondary development program is operated, and application software is started; obtaining a subway asymmetric shield tunnel plane design scheme file, and reading line design scheme data in the file; inputting a design mileage range of the construction center line and the design center line; grouping the plane curves based on the line design scheme data; automatically drawing a plane curve construction center line based on tunnel size data and track professional data; setting a plane curve joint design maximum distance parameter; plane curves needing to be designed and drawn are paired; according to the paired plane curve data, a viewport drawing frame is automatically arranged, and a drawing is output; compared with traditional manual data reading and scheme docking, the digital and intelligent level is greatly improved, and multi-specialty linkage design is achieved; the problems that design and drawing output work is repeated and the drawing amount is large are solved, and the drawing design and management cost is greatly saved.

Description

Technical Field

[0001] This invention relates to the field of transportation technology, specifically to an automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways. Background Technology

[0002] Currently, when designing the construction centerline and design centerline drawings for asymmetric shield tunnels in the metro industry, designers need to manually organize the data on the track, tunnel, and rail components. They then manually draw the shield tunnel's planar curve construction centerline based on horizontal offsets within the metro shield tunnel planar construction centerline and design centerline scheme file. Furthermore, they manually allocate the planar curves for the construction centerline and design centerline drawings based on the lengths of the planar curves on the left and right sides of the design centerline and the positions of their intersections. Then, they manually arrange viewports and drawing frames. This process involves data organization, length and coordinate measurement, and editing of polylines and text objects, involving numerous manual steps and consuming a significant amount of time. Moreover, there are issues of repetitive design and drawing work, a large volume of drawings, and designers performing a large amount of repetitive labor, wasting productivity and reducing production and management efficiency. Summary of the Invention

[0003] To address the aforementioned problems, this invention proposes an automatic design method for the construction centerline and design centerline of asymmetric shield tunnels for subways, aiming to overcome the deficiencies of existing technologies.

[0004] This invention is achieved through the following technical solution:

[0005] An automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways includes the following steps:

[0006] S1. Run the AutoCAD secondary development program and open the AutoCAD application software;

[0007] S2. Obtain the plan design file of the subway asymmetric shield tunnel and read the route design data in it;

[0008] S3. Input the design mileage range between the construction centerline and the design centerline of the subway asymmetric shield tunnel;

[0009] S4. Group the planar curves based on the route design data;

[0010] S5. Based on tunnel size data and track engineering data, automatically draw the construction centerline of the plane curve of the subway asymmetric shield tunnel;

[0011] S6. Set the maximum distance parameter for joint design of planar curves;

[0012] S7. Match the planar curves of the asymmetric shield tunnel of the subway that need to be designed and drawn;

[0013] S8. Based on the paired planar curve data, automatically arrange the viewport frame and generate the drawing.

[0014] More preferably, the asymmetric shield tunnel of the subway is a circular tunnel;

[0015] The subway asymmetric shield tunnel plan design scheme file is in dwg, dws, dwt, or dxf format. The subway asymmetric shield tunnel line design scheme data is read based on the AutoCAD secondary development program mentioned in step S1.

[0016] More preferably, in step S2, the route design data includes route mileage data, horizontal curve data, and route azimuth data;

[0017] The planar curve data includes the coordinates of the intersection points of the planar curves along the design centerline of the subway asymmetric shield tunnel, the curve number, and the curve length.

[0018] More preferably, in step S3, the design mileage range is determined by inputting the design starting mileage and design ending mileage of the centerline of the subway asymmetric shield tunnel design;

[0019] The design of the asymmetric shield tunnel for the subway is divided into a right line and a left line.

[0020] More preferably, step S4 specifically includes the following steps:

[0021] S41. Obtain the plane curve data; based on the route design scheme data in step S2, obtain all plane curve data corresponding to the design mileage range in step S3.

[0022] S42. Group the plane curves; divide the plane curve data of the right and left lines of the centerline of the subway asymmetric shield tunnel design into one group each, and store the specific data in the form of a two-dimensional array.

[0023] More preferably, in step S5, the horizontal offset between the design centerline and the construction centerline of the asymmetric shield tunnel plane curve segment of the metro is automatically calculated based on the tunnel size data and track professional data, and the construction centerline of the asymmetric shield tunnel plane curve of the metro is automatically drawn based on the horizontal offset.

[0024] More preferably, in step S6, the joint design of the planar curves involves the combination and pairing of the right and left planar curves of the centerline of the subway asymmetric shield tunnel design, and the joint design and drawing.

[0025] The design and drawing content includes the construction centerline of the subway asymmetric shield tunnel and its relationship with the design centerline.

[0026] The design and drawing range is the design mileage range described in step S3;

[0027] The maximum distance parameter is used to pair the right and left plane curves of the centerline in the design of asymmetric shield tunnels for subways, and is achieved through manual input or program preset.

[0028] More preferably, step S7 specifically includes the following steps:

[0029] S71. Repeat all planar curves of any group in step S4.2 and pair them with planar curves of another group;

[0030] The pairing is achieved by judging the distance between the intersection points of two planar curves. Specifically, when the distance between the intersection points of two planar curves from different groups is less than the maximum distance parameter mentioned in step S6, and they are the planar curves with the smallest intersection point distance in another group, the pairing is successful.

[0031] The distance between the intersection points of the plane curves is calculated using the coordinates of the intersection points, which are obtained from the plane curve data obtained in step S2.

[0032] S72. Store the paired planar curve data;

[0033] The paired planar curve data are stored in the form of two-dimensional arrays; the unpaired planar curve data in the grouping described in step S4.2 are stored separately in the form of one-dimensional arrays.

[0034] More preferably, in step S8, the viewport size is calculated based on the frame size and the plotting scale; for the paired planar curves in step S7, the viewport center is the midpoint of the intersection of the two planar curves; for the unpaired planar curve data in step S7, a separate viewport is arranged, and the viewport center is the midpoint of the planar curve / circular curve.

[0035] An automatic design system for the construction centerline and design centerline of an asymmetric shield tunnel for subways, which applies the aforementioned automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways, includes a processor, a computer storage medium, and a memory.

[0036] The processor is used to run one or more program instructions to execute any of the steps described in the automatic design method for the construction centerline and design centerline of the subway asymmetric shield tunnel of the present invention.

[0037] The computer storage medium stores a computer program, which, when executed by a processor, implements any of the steps described in the automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to the present invention.

[0038] The memory is used to store the executable program instructions of the processor.

[0039] Compared with the prior art, the beneficial effects of the present invention are:

[0040] The automatic design method for the construction centerline and design centerline of asymmetric shield tunnels in subways described in this invention can automatically read and match the design scheme data of the line, tunnel and track based on the AutoCAD secondary development program, and open up professional data interfaces. Compared with the traditional manual data reading and scheme docking, the level of digitalization and intelligence is greatly improved, realizing multi-professional linkage design and has a high degree of innovation.

[0041] The automatic design method for the construction centerline and design centerline of asymmetric shield tunnels in subways described in this invention realizes intelligent matching of the planar curves of the construction centerline and the design centerline design drawings, and optimizes the pairing of the planar curves of the right and left lines of the design centerline for joint design and drawing. This solves the problems of repetitive design and drawing work and large number of drawings caused by the irregular distribution of planar curves in asymmetric shield tunnels, and significantly saves the cost of drawing design and management.

[0042] The automatic design method for the construction centerline and design centerline of asymmetric shield tunnels in subways described in this invention enables the automatic layout of viewports and drawing frames for the construction centerline and design centerline design drawings, avoiding a large number of repetitive manual editing operations in the CAD model space, greatly improving design efficiency, and has obvious beneficial effects.

[0043] For a certain subway line with 92 curved tunnel sections, if using existing production methods, it would take approximately 184 working days to complete the design of the subway shield tunnel construction centerline and design centerline drawings manually. However, using the method and embodiments described in this invention, it can be completed in just 10 working days, significantly improving production efficiency. Simultaneously, the number of asymmetric shield tunnel drawings is reduced by 50%, decreasing design and management costs. Attached Figure Description

[0044] Figure 1 This is a flowchart of the method of the present invention;

[0045] Figure 2 This is a schematic diagram of the automatic design results of the construction centerline and design centerline of the subway asymmetric shield tunnel according to the present invention. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0047] Example 1:

[0048] This embodiment provides an automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways. The asymmetric shield tunnel is a circular tunnel. The invention includes the following steps:

[0049] S1. Run the AutoCAD secondary development program and open the AutoCAD application software. The subway asymmetric shield tunnel plan design scheme file is in dwg, dws, dwt, or dxf format. The subway asymmetric shield tunnel line design scheme data is read based on the AutoCAD secondary development program mentioned in step S1.

[0050] S2. Obtain the plan design file for the asymmetric shield tunnel of the subway and read the route design data from it. The route design data includes route mileage data, plan curve data, and route azimuth data.

[0051] The planar curve data includes the coordinates of the intersection points of the planar curves along the design centerline of the subway asymmetric shield tunnel, the curve number, and the curve length.

[0052] S3. Input the design mileage range between the construction centerline and the design centerline of the subway asymmetric shield tunnel; the design mileage range is determined by inputting the design starting mileage and design ending mileage of the design centerline of the subway asymmetric shield tunnel.

[0053] The design of the asymmetric shield tunnel for the subway is divided into a right line and a left line.

[0054] S4. Group the planar curves based on the route design data. Step S4 specifically includes the following steps:

[0055] S41. Obtain the planar curve data. Based on the route design scheme data obtained in step S2, obtain all planar curve data corresponding to the design mileage range described in step S3.

[0056] S42. Group the planar curves. Divide the planar curve data of the right and left lines of the centerline of the asymmetric shield tunnel design of the subway into two groups, and store the specific data in the form of a two-dimensional array.

[0057] S5. Based on tunnel dimension data and track engineering data, automatically draw the construction centerline of the asymmetric shield tunnel plane curve for subways. The system automatically calculates the horizontal offset between the design centerline and the construction centerline of the asymmetric shield tunnel plane curve segment based on tunnel dimension data and track engineering data, and automatically draws the construction centerline of the asymmetric shield tunnel plane curve based on the horizontal offset.

[0058] S6. Set the maximum distance parameter for the joint design of planar curves. The joint design of planar curves refers to the combination and pairing of the right and left planar curves of the centerline of the subway asymmetric shield tunnel design, and the joint design and drawing.

[0059] The design and drawing content includes the construction centerline of the subway asymmetric shield tunnel and its relationship with the design centerline.

[0060] The design and drawing range is the design mileage range described in step S3.

[0061] The maximum distance parameter is used to pair the right and left plane curves of the centerline in the design of asymmetric shield tunnels for subways, and is achieved through manual input or program preset.

[0062] S7. Match the planar curves of the asymmetric shield tunnel for the subway that require design and drawing. Step S7 specifically includes the following steps:

[0063] S71. Repeat all planar curves of any group in step S4.2 and pair them with planar curves of another group.

[0064] The pairing is achieved by judging the distance between the intersection points of two planar curves. Specifically, when the distance between the intersection points of two planar curves from different groups is less than the maximum distance parameter mentioned in step S6, and they are the planar curves with the smallest intersection point distance in another group, the pairing is successful.

[0065] The distance between the intersection points of the plane curves is calculated using the coordinates of the intersection points, which are obtained from the plane curve data obtained in step S2.

[0066] S72. Store the paired planar curve data.

[0067] The paired planar curve data are stored in the form of two-dimensional arrays; the unpaired planar curve data in the grouping described in step S4.2 are stored separately in the form of one-dimensional arrays.

[0068] S8. Based on the paired planar curve data, automatically arrange the viewport frame and output the drawing. The viewport size is calculated based on the frame size and the output scale; for the paired planar curves in step S7, the viewport center is the midpoint of the intersection of the two planar curves; for the unpaired planar curve data in step S7, a separate viewport is arranged, and the viewport center is the midpoint of the circular curve of the planar curve.

[0069] This embodiment also provides an automatic design system for the construction centerline and design centerline of an asymmetric shield tunnel for subways, which applies the aforementioned automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways. The system includes a processor, a computer storage medium, and a memory.

[0070] The processor is used to run one or more program instructions to perform any of the steps described in the automatic design method for the construction centerline and design centerline of the subway asymmetric shield tunnel of the present invention.

[0071] The computer storage medium stores a computer program, which, when executed by a processor, implements any of the steps described in the automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to the present invention.

[0072] The memory is used to store the executable program instructions of the processor.

[0073] The automatic design method for the construction centerline and design centerline of asymmetric shield tunnels in subways described in this invention can automatically read and match the design scheme data of the line, tunnel and track based on the AutoCAD secondary development program, and open up professional data interfaces. Compared with the traditional manual data reading and scheme docking, the level of digitalization and intelligence is greatly improved, realizing multi-professional linkage design and has a high degree of innovation.

[0074] The automatic design method for the construction centerline and design centerline of asymmetric shield tunnels in subways described in this invention realizes intelligent matching of the planar curves of the construction centerline and the design centerline design drawings, and optimizes the pairing of the planar curves of the right and left lines of the design centerline for joint design and drawing. This solves the problems of repetitive design and drawing work and large number of drawings caused by the irregular distribution of planar curves in asymmetric shield tunnels, and significantly saves the cost of drawing design and management.

[0075] The automatic design method for the construction centerline and design centerline of asymmetric shield tunnels in subways described in this invention enables the automatic layout of viewports and drawing frames for the construction centerline and design centerline design drawings, avoiding a large number of repetitive manual editing operations in the CAD model space, greatly improving design efficiency, and has obvious beneficial effects.

[0076] For a certain subway line with 92 curved tunnel sections, if using existing production methods, it would take approximately 184 working days to complete the design of the subway shield tunnel construction centerline and design centerline drawings manually. However, using the method and embodiments described in this invention, it can be completed in just 10 working days, significantly improving production efficiency. Simultaneously, the number of asymmetric shield tunnel drawings is reduced by 50%, decreasing design and management costs.

[0077] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the scope of protection of the present invention.

Claims

1. An automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways, characterized in that, Includes the following steps: S1. Run the AutoCAD secondary development program and open the AutoCAD application software; S2. Obtain the plan design file of the subway asymmetric shield tunnel and read the route design data in it; S3. Input the design mileage range between the construction centerline and the design centerline of the subway asymmetric shield tunnel; S4. Group the planar curves based on the route design data; S5. Based on tunnel size data and track engineering data, automatically draw the construction centerline of the plane curve of the subway asymmetric shield tunnel; S6. Set the maximum distance parameter for joint design of planar curves; S7. Match the planar curves of the asymmetric shield tunnel of the subway that need to be designed and drawn; S8. Based on the paired planar curve data, automatically arrange the viewport frame and generate the drawing.

2. The automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to claim 1, characterized in that, The asymmetric shield tunnel of the subway is a circular tunnel; The subway asymmetric shield tunnel plan design scheme file is in dwg, dws, dwt, or dxf format. The subway asymmetric shield tunnel line design scheme data is read based on the AutoCAD secondary development program mentioned in step S1.

3. The automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to claim 2, characterized in that, In step S2, the route design data includes route mileage data, horizontal curve data, and route azimuth data; The planar curve data includes the coordinates of the intersection points of the planar curves along the design centerline of the subway asymmetric shield tunnel, the curve number, and the curve length.

4. The automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to claim 1, characterized in that, In step S3, the design mileage range is determined by inputting the design starting mileage and design ending mileage of the centerline of the subway asymmetric shield tunnel design. The design of the asymmetric shield tunnel for the subway is divided into a right line and a left line.

5. The automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to claim 3, characterized in that, Step S4 specifically includes the following steps: S41. Obtain the plane curve data; based on the route design scheme data in step S2, obtain all plane curve data corresponding to the design mileage range in step S3. S42. Group the plane curves; divide the plane curve data of the right and left lines of the centerline of the subway asymmetric shield tunnel design into one group each, and store the specific data in the form of a two-dimensional array.

6. The automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to claim 1, characterized in that, In step S5, the horizontal offset between the design centerline and the construction centerline of the asymmetric shield tunnel plane curve segment of the metro is automatically calculated based on the tunnel size data and track professional data, and the construction centerline of the asymmetric shield tunnel plane curve of the metro is automatically drawn based on the horizontal offset.

7. The automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to claim 5, characterized in that, In step S6, the joint design of the planar curves involves the combination and pairing of the right and left planar curves of the centerline of the asymmetric shield tunnel design for the subway, and the joint design and drawing. The design and drawing content includes the construction centerline of the subway asymmetric shield tunnel and its relationship with the design centerline. The design and drawing range is the design mileage range described in step S3; The maximum distance parameter is used to pair the right and left plane curves of the centerline in the design of asymmetric shield tunnels for subways, and is achieved through manual input or program preset.

8. The automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to claim 5, characterized in that, Step S7 specifically includes the following steps: S71. Repeat all planar curves of any group in step S4.2 and pair them with planar curves of another group; The pairing is achieved by judging the distance between the intersection points of two planar curves. Specifically, when the distance between the intersection points of two planar curves from different groups is less than the maximum distance parameter mentioned in step S6, and they are the planar curves with the smallest intersection point distance in another group, the pairing is successful. The distance between the intersection points of the plane curves is calculated using the coordinates of the intersection points, which are obtained from the plane curve data obtained in step S2. S72. Store the paired planar curve data; The paired planar curve data are stored in the form of two-dimensional arrays; The unpaired planar curve data in the grouping described in step S4.2 are stored separately as one-dimensional arrays.

9. The automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to claim 8, characterized in that, In step S8, the viewport size is calculated based on the frame size and the plotting scale; for the paired planar curves in step S7, the viewport center is the midpoint of the intersection of the two planar curves; for the unpaired planar curve data in step S7, a separate viewport is arranged, and the viewport center is the midpoint of the planar curve / circular curve.

10. An automatic design system for the construction centerline and design centerline of an asymmetric shield tunnel for subways, employing the automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways as described in any one of claims 1-9, characterized in that... The system includes a processor, a computer storage medium, and a memory; The processor is used to run one or more program instructions to execute any of the steps described in the automatic design method for the construction centerline and design centerline of the subway asymmetric shield tunnel of the present invention. The computer storage medium stores a computer program, which, when executed by a processor, implements any of the steps described in the automatic design method for the construction centerline and design centerline of an asymmetric shield tunnel for subways according to the present invention. The memory is used to store the executable program instructions of the processor.

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