A method, system and medium for determining the route selection of a mountain highway tunnel

Abstract

The present invention discloses a method, system and medium for determining the route selection of mountain highway overpass tunnels; it relates to the technical field of tunnel engineering; according to the basic data of mountain highways, this solution conducts elevation calculation analysis and tunnel layout analysis to obtain tunnel layout information; then, in combination with auxiliary determination conditions and a historical scheme database, the tunnel layout information is adjusted to automatically generate a tunnel route selection scheme. At the same time, this solution also adjusts the tunnel layout information through the combination of auxiliary determination conditions and the historical scheme database to achieve autonomous limited decision-making and ensure the accuracy of the generated tunnel route selection scheme.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel engineering, and particularly relates to a method, a system and a medium for determining the route selection of a mountain highway over - mountain tunnel. Background Art

[0002] With the gradual advancement of the road network planning towards mountain highways, more and more mountain highway tunnels have entered the construction stage. At present, the route selection of low - grade mountain highway tunnels is not systematic. There are often numerous schemes, which are time - consuming and laborious, and it is difficult for the owner to make a decision. How to quickly and accurately determine the route selection scheme of low - grade mountain highway tunnels is an urgent problem to be solved. Summary of the Invention

[0003] The technical problem to be solved by the invention is that: at present, the route selection of low - grade mountain highway tunnels is not systematic. There are often numerous schemes, which are time - consuming and laborious, and it is difficult to make a choice. And the finally selected scheme; The purpose of the present invention is to provide a method, a system and a medium for determining the route selection of a mountain highway over - mountain tunnel. Through elevation calculation analysis and tunnel layout analysis based on the basic data of mountain highways, considering the avoidance of old - road disaster points and the problem of ice - snow road section closure caused by the high elevation of the old road crossing mountains, tunnel layout information is obtained; Then, combined with auxiliary judgment conditions and the historical scheme database, the tunnel layout information is adjusted to automatically generate a tunnel route selection scheme. At the same time, this scheme also adjusts the tunnel layout information through the combination of auxiliary judgment conditions and the historical scheme database to achieve autonomous limited decision - making and ensure the accuracy of the generated tunnel route selection scheme.

[0004] The present invention is realized through the following technical solutions:

[0005] This scheme provides a method for determining the route selection of a mountain highway over - mountain tunnel, including:

[0006] Collect the basic data of mountain highways and pre - process the basic data;

[0007] Based on the pre - processed basic data, perform elevation calculation analysis and tunnel layout analysis to obtain tunnel layout information;

[0008] Combine auxiliary judgment conditions and the historical scheme database to adjust the tunnel layout information to obtain a tunnel route selection scheme.

[0009] Further optimized scheme is that the basic data includes: survey data, geological data, environmental data and special influencing factors;

[0010] The survey data includes: data of residents along the line, current situation of old - road diseases and snow line elevation;

[0011] The geological data includes: strike of fault zone, distribution range of soluble rock and direction of in - situ stress;

[0012] The environmental data includes: the scope of nature reserves, the scope of ecological red lines, hydrology, monthly average temperature, and monthly average humidity;

[0013] The special influencing factors include: terrain, regional geological data, and highway technical grade.

[0014] A further optimization plan is that the preprocessing includes: cleaning the basic data, and replacing the missing values and outliers in the basic data with the mean, median, or mode.

[0015] A further optimization plan is that elevation calculation analysis and tunnel layout analysis are performed based on the basic data to obtain tunnel layout information; the methods include:

[0016] Based on the current situation of old road diseases, determine the tunnel elevation and preliminary tunnel axis of different alignment schemes, and calculate the number of ice and snow days of tunnels in different alignment schemes based on the snow line elevation; the method for determining the tunnel elevation and preliminary tunnel axis of different alignment schemes based on the current situation of old road diseases includes: determining the old road disease points according to the current situation of old road diseases; on the basis of the old road disease points, determine the tunnel elevation and preliminary tunnel axis of different route selection schemes according to the avoidance conditions; the avoidance conditions include: for the low-line scheme, avoid all old road disease points; for the middle-line scheme, avoid the number of old road disease points in the first range, and for the high-line scheme, avoid the number of old road disease points in the second range; among them, the elevation of the old road disease points in the first range is less than the elevation of the old road disease points in the second range;

[0017] Determine the main tunnel layout according to the data of residents along the line, the trend of fault zones, the distribution range of soluble rocks, and the direction of in-situ stress;

[0018] Output the main tunnel layout, tunnel elevation, preliminary tunnel axis, and the number of ice and snow days.

[0019] A further optimization plan is that the method for determining the main tunnel layout according to the data of residents along the line, the trend of fault zones, the distribution range of soluble rocks, and the direction of in-situ stress includes:

[0020] Determine whether the corresponding main tunnel outcrops according to the data of residents along the line. When the number of residents along the line exceeds the resident number threshold, the corresponding main tunnel outcrops; otherwise, the corresponding main tunnel does not outcrop;

[0021] According to the trend of the fault zone, make the corresponding main tunnel intersect the intersecting fault zone as perpendicular as possible, so that the length of the corresponding main tunnel crossing the fault zone is the shortest;

[0022] According to the distribution range of soluble rocks, make the corresponding main tunnel intersect the soluble rock zone as perpendicular as possible, so that the length of the corresponding main tunnel crossing the soluble rock zone is the shortest;

[0023] According to the in-situ stress direction, the axis corresponding to the tunnel main body intersects the tunnel main body at a small angle.

[0024] The further optimized scheme is that, based on the old road disease points, the tunnel elevation and the preliminary tunnel axis of different route selection schemes are determined according to the avoidance conditions; the method includes:

[0025] Statistical elevation of each old road disease point, with the elevation H of the highest old road disease point max as the boundary, divided into the small mileage direction and the large mileage direction;

[0026] The further optimized scheme is that, based on the old road disease points, the tunnel elevation and the preliminary tunnel axis of different route selection schemes are determined according to the avoidance conditions; the method includes:

[0027] Obtain the elevation of each old road disease point in the small mileage direction, from high to low as {A 1、 A 2、 A3.....A n}; Obtain the large mileage direction

[0028] Statistical elevation of each old road disease point, from high to low as {B 1、 B 2、 B3.....B n};

[0029] Taking {A1-N, A1} as the first small elevation range, N represents the elevation range parameter, select the portal elevation in the first small elevation range in combination with the topographic map as the tunnel entrance elevation of the low-line scheme, denoted as H 低进 ;

[0030] Taking {B1-N, B1} as the first large elevation range, select the portal elevation in the first large elevation range in combination with the topographic map as the tunnel exit elevation of the low-line scheme, denoted as H 低出 ; Connect the tunnel entrance elevation H 低进 and the tunnel exit elevation H 低出 to obtain the preliminary tunnel axis of the low-line scheme;

[0031] Taking {A1 + 1 / 3(A n - A1)-N, A1 + 1 / 3(A n - A1)} as the second small elevation range, select the portal elevation in the second small elevation range in combination with the topographic map as the tunnel entrance elevation of the middle-line scheme, denoted as H 低进 ;

[0032] Taking {B1 + 1 / 3(B n - B1)-N, B1 + 1 / 3(B n-B1)} is the second largest elevation range. Select the elevation of the tunnel entrance as the elevation of the tunnel exit for the centerline scheme within the second largest elevation range, denoted as H 中出 ; Connect the elevation of the tunnel entrance H 中进 and the elevation of the tunnel exit H 中出 to obtain the preliminary tunnel axis; Connect the elevation of the tunnel entrance H 中进 and the elevation of the tunnel exit H 中出 to obtain the preliminary tunnel axis of the centerline scheme;

[0033] Take {A1 + 2 / 3(A n - A1) - N, A1 + 2 / 3(A n - A1)} as the third smallest elevation range. Select the elevation of the tunnel entrance as the elevation of the tunnel entrance for the high-line scheme within the third smallest elevation range, denoted as H 高进 ;

[0034] Take {B1 + 2 / 3(B n - B1) - 50, B1 + 2 / 3(B n - B1)} as the third largest elevation range. Select the elevation of the tunnel entrance as the elevation of the tunnel exit for the high-line scheme within the third largest elevation range, denoted as H 高出 ; Connect the elevation of the tunnel entrance H 高进 and the elevation of the tunnel exit H 高出 to obtain the preliminary tunnel axis; Connect the elevation of the tunnel entrance H 高进 and the elevation of the tunnel exit H 高出 to obtain the preliminary tunnel axis of the centerline scheme.

[0035] The further optimized scheme is to adjust the tunnel layout information by combining the auxiliary determination conditions and the historical scheme database to determine the tunnel axis scheme; including methods:

[0036] Obtain the auxiliary determination conditions of the tunnel, search for the reference scheme matching the tunnel layout information in the constructed learning scheme database, and adjust the preliminary tunnel axis; The auxiliary determination conditions of the tunnel include: construction period requirements, section requirements, environmental constraints, ventilation calculation parameters, and whether there are existing structures on the tunnel roof.

[0037] The further optimized scheme is that the reference scheme includes: TBM main tunnel scheme, TBM pilot tunnel scheme, drill and blast method scheme, drill and blast method auxiliary shaft construction scheme, and non-explosive excavation scheme.

[0038] This scheme also provides a system for determining the route selection of a mountain highway through-tunnel, which is used to implement the above method for determining the route selection of a mountain highway through-tunnel. The system includes:

[0039] A data collection module for collecting basic data of mountain roads and preprocessing the basic data;

[0040] A calculation and analysis module for performing elevation calculation analysis and tunnel layout analysis based on the preprocessed basic data to obtain tunnel layout information;

[0041] An adjustment module for adjusting the tunnel layout information in combination with auxiliary determination conditions and a historical solution database to obtain a tunnel route selection plan.

[0042] This solution also provides a computer-readable medium with a computer program stored thereon, characterized in that the computer program, when executed by a processor, can implement a method for determining the route selection of a mountain road over-the-mountain tunnel as described above.

[0043] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0044] The present invention provides a method, a system and a medium for determining the route selection of a mountain road over-the-mountain tunnel; according to the basic data of the mountain road, this solution performs elevation calculation analysis and tunnel layout analysis to obtain tunnel layout information; then, in combination with auxiliary determination conditions and a historical solution database, it adjusts the tunnel layout information to automatically generate a tunnel route selection plan. At the same time, this solution also adjusts the tunnel layout information through the combination of auxiliary determination conditions and a historical solution database to achieve autonomous limited decision-making and ensure the accuracy of the generated tunnel route selection plan. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings. In the drawings:

[0046] Figure 1 It is a schematic flowchart of a method for determining the route selection of a mountain road over-the-mountain tunnel;

[0047] Figure 2 It is a schematic data flow diagram of the process of determining the route selection of a mountain road over-the-mountain tunnel;

[0048] Figure 3 It is a schematic diagram of the process of determining the tunnel elevation and the preliminary tunnel axis of different route selection plans in Embodiment 1. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0049] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the embodiments and the accompanying drawings. The illustrative embodiments of the present invention and their descriptions are only used to explain the present invention and are not intended to limit the present invention.

[0050] At present, the route selection of low-grade highway tunnels in mountainous areas is not systematic. There are often many options, which are time-consuming and laborious, and it is difficult to make a choice. Moreover, the finally selected option; in view of this, the following embodiments are provided in this solution to solve the above technical problems.

[0051] Embodiment 1: This embodiment provides a method for determining the route selection of a mountain highway over-the-mountain tunnel, as Figure 1 and Figure 2 shown, including:

[0052] Step 1: Collect the basic data of the mountain highway and preprocess the basic data; the basic data includes: survey data, geological data, environmental data, and special influencing factors;

[0053] The survey data includes: data of residents along the line, current status of diseases on the old road, and snow line elevation;

[0054] The geological data includes: strike of the fault zone, distribution range of soluble rocks, and direction of in-situ stress;

[0055] The environmental data includes: range of nature reserves, range of ecological red lines, hydrology, monthly average temperature, and monthly average humidity;

[0056] The special influencing factors include: terrain, regional geological data, and highway technical grade.

[0057] The preprocessing includes: cleaning the basic data and replacing the missing values and abnormal values in the basic data with the mean, median, or mode.

[0058] Step 2: Perform elevation calculation analysis and tunnel layout analysis based on the preprocessed basic data to obtain tunnel layout information; this step specifically includes the method:

[0059] S21. Determine the tunnel elevation and preliminary tunnel axis for different alignment schemes based on the current status of the old road diseases, and calculate the number of days with ice and snow weather for the tunnels of different alignment schemes based on the snow line elevation. The method for determining the tunnel elevation and preliminary tunnel axis for different alignment schemes based on the current status of the old road diseases includes: determining the old road disease points according to the current status of the old road diseases; on the basis of the old road disease points, determining the tunnel elevation and preliminary tunnel axis for different route selection schemes according to the avoidance conditions. The avoidance conditions include: for the low-line scheme, avoiding all the old road disease points; for the middle-line scheme, avoiding the old road disease points within the first range; for the high-line scheme, avoiding the old road disease points within the second range. Among them, the elevation of the old road disease points in the first range is less than the elevation of the old road disease points in the second range.

[0060] In this step, the method for determining the tunnel elevation and preliminary tunnel axis for different route selection schemes according to the avoidance conditions on the basis of the old road disease points includes:

[0061] S211. Obtain the elevations of the old road disease points in the direction of the small station number, from high to low as {A 1、 A 2、 A3.....A n}; Obtain the elevations of the old road disease points in the direction of the large station number, from high to low as {B 1、 B 2、 B3.....B n};

[0062] S212. Take {A1-N, A1} as the first small elevation range, where N represents the elevation range parameter, and in this embodiment, N is taken as 50. Select the portal elevation within the first small elevation range in combination with the topographic map as the tunnel entrance elevation of the low-line scheme, denoted as H 低进 ;

[0063] Take {B1-N, B1} as the first large elevation range, and select the portal elevation within the first large elevation range in combination with the topographic map as the tunnel exit elevation of the low-line scheme, denoted as H 低出 ; Connect the tunnel entrance elevation H 低进 and the tunnel exit elevation H 低出 to obtain the preliminary tunnel axis of the low-line scheme;

[0064] S213. Take {A1 + 1 / 3(A n - A1)-N, A1 + 1 / 3(A n - A1)} as the second small elevation range, and select the portal elevation within the second small elevation range in combination with the topographic map as the tunnel entrance elevation of the middle-line scheme, denoted as H 低进 ;

[0065] Take {B1 + 1 / 3(B n - B1)-N, B1 + 1 / 3(B n-B1)} is the second largest elevation range. Select the elevation of the tunnel entrance as the elevation of the tunnel exit for the center line scheme within the second largest elevation range in combination with the topographic map, denoted as H 中出 ; Connect the elevation of the tunnel entrance H 中进 and the elevation of the tunnel exit H 中出 to obtain the preliminary tunnel axis; Connect the elevation of the tunnel entrance H 中进 and the elevation of the tunnel exit H 中出 to obtain the preliminary tunnel axis of the center line scheme;

[0066] S214, taking {A1 + 2 / 3(A n - A1) - N, A1 + 2 / 3(A n - A1)} as the third smallest elevation range. Select the elevation of the tunnel entrance as the elevation of the tunnel entrance for the high line scheme within the third smallest elevation range in combination with the topographic map, denoted as H 高进 ;

[0067] Taking {B1 + 2 / 3(B n - B1) - 50, B1 + 2 / 3(B n - B1)} as the third largest elevation range. Select the elevation of the tunnel entrance as the elevation of the tunnel exit for the high line scheme within the third largest elevation range in combination with the topographic map, denoted as H 高出 ; Connect the elevation of the tunnel entrance H 高进 and the elevation of the tunnel exit H 高出 to obtain the preliminary tunnel axis; Connect the elevation of the tunnel entrance H 高进 and the elevation of the tunnel exit H 高出 to obtain the preliminary tunnel axis of the center line scheme.

[0068] As Figure 3 shown, in this embodiment, according to the input old road disease points, the lowest elevation A along the small station number direction and the lowest elevation B along the large station number direction of the old road disease points are obtained. According to the elevation A, a suitable elevation of the tunnel entrance within 50m lower than the elevation A is found as the elevation of the tunnel entrance for the low line scheme, and a suitable elevation of the tunnel exit within 50m lower than the elevation B is found as the elevation of the tunnel exit for the low line scheme to determine the elevation of the tunnel entrance and exit of the low line scheme, and then the tunnel axis scheme is determined according to the remaining discrimination conditions.

[0069] According to the input old road disease points, calculate the difference C between the highest elevation and the lowest elevation of the old road disease points. Take A + 1 / 3C and B + 1 / 3C; According to the elevation A + 1 / 3C, a suitable elevation of the tunnel entrance within 50m lower than the elevation (A + 1 / 3C) is found as the elevation of the tunnel entrance for the center line scheme: A suitable elevation of the tunnel exit within 50m lower than the elevation (B + 1 / 3C) is found as the elevation of the tunnel exit for the center line scheme; Determine the elevation of the tunnel entrance and exit of the center line scheme, and then determine the tunnel axis scheme according to the remaining discrimination conditions;

[0070] According to the disease points of the old road in the input, calculate the difference C between the highest elevation and the lowest elevation of the disease points of the old road. Take A + 2 / 3C and B + 2 / 3C. According to the elevation A + 2 / 3C, find a suitable elevation for the tunnel entrance within 50 m below the elevation (A + 2 / 3C) as the tunnel entrance elevation of the high-line scheme; find a suitable elevation for the tunnel exit within 50 m below the elevation (B + 2 / 3C) as the tunnel exit elevation of the high-line scheme. Determine the tunnel entrance and exit elevations of the high-line scheme tunnel, and then determine the tunnel axis scheme according to the remaining discriminant conditions.

[0071] S22. Determine the main layout of the tunnel according to the data of the residents along the line, the strike of the fault zone, the distribution range of soluble rock, and the direction of in-situ stress; the methods include:

[0072] Determine whether the corresponding tunnel main body is outcropped according to the data of the residents along the line. When the number of residents along the line exceeds the threshold of the number of residents, the corresponding tunnel main body is outcropped; otherwise, the corresponding tunnel main body is not outcropped.

[0073] According to the strike of the fault zone, make the corresponding tunnel main body intersect with the intersecting fault zone as perpendicular as possible, so that the length of the corresponding tunnel main body passing through the fault zone is the shortest.

[0074] According to the distribution range of soluble rock, make the corresponding tunnel main body intersect with the soluble rock zone as perpendicular as possible, so that the length of the corresponding tunnel main body passing through the soluble rock zone is the shortest.

[0075] According to the direction of in-situ stress, make the axis of the corresponding tunnel main body intersect with the tunnel main body at a small angle.

[0076] S23. Output the main layout of the tunnel, the tunnel elevation, the preliminary tunnel axis, and the number of days of ice and snow weather.

[0077] Step 3: Adjust the tunnel layout information in combination with the auxiliary judgment conditions and the historical scheme database to obtain the tunnel route selection scheme; this step specifically includes the methods:

[0078] Obtain the auxiliary judgment conditions of the tunnel, search for the reference scheme matching the tunnel layout information in the constructed learning scheme database, and adjust the preliminary tunnel axis; the auxiliary judgment conditions of the tunnel include: construction period requirements, section requirements, environmental constraints, ventilation calculation parameters, and whether there are existing structures on the tunnel roof.

[0079] The finally output tunnel route selection scheme includes: the tunnel axis scheme, the tunnel lengths of different elevation schemes (high line, middle line, low line); the entrance and exit elevations; the number of days of ice and snow weather; the number of disaster points to be bypassed; the mileage saved; the number of remaining hairpin bends on the old road; the maximum buried depth; the range of the fault zone passed through; the range of soluble rock passed through; the included angle between the principal stress and the tunnel axis.

[0080] The reference solutions include: the TBM main tunnel solution, the TBM parallel adit solution, the drill and blast method solution, the drill and blast method inclined shaft auxiliary construction solution, and the non-explosive excavation solution.

[0081] Based on the excavation section and the footage data of the geological conditions that match the project of this solution for TBM tunnels globally, calculate the construction period of the TBM main tunnel solution; based on the parallel adit section and the footage data of the geological conditions that match the project of this solution for the construction of the main tunnel assisted by the TBM parallel adit globally, calculate the construction period of the TBM parallel adit solution; based on the footage of the main tunnel of the drill and blast method that matches the project, calculate the construction period of the drill and blast method main tunnel solution, the construction period of the drill and blast method inclined shaft auxiliary construction solution, and the construction period of the non-explosive excavation solution.

[0082] Example 2: This example provides a system for determining the route selection of a mountain highway through-tunnel, which is used to implement the method for determining the route selection of a mountain highway through-tunnel described in Example 1. The system includes:

[0083] An acquisition module, which is used to acquire the basic data of the mountain highway and preprocess the basic data;

[0084] A calculation and analysis module, which is used to perform elevation calculation analysis and tunnel layout analysis based on the preprocessed basic data to obtain tunnel layout information;

[0085] An adjustment module, which is used to adjust the tunnel layout information in combination with the auxiliary determination conditions and the historical solution database to obtain a tunnel route selection solution.

[0086] Example 3: This example provides a computer-readable medium, on which a computer program is stored. The computer program, when executed by a processor, can implement the method for determining the route selection of a mountain highway through-tunnel described in Example 1; specifically, it performs the following steps:

[0087] Step 1: Acquire the basic data of the mountain highway and preprocess the basic data;

[0088] Step 2: Perform elevation calculation analysis and tunnel layout analysis based on the preprocessed basic data to obtain tunnel layout information;

[0089] Step 3: Adjust the tunnel layout information in combination with the auxiliary determination conditions and the historical solution database to obtain a tunnel route selection solution.

[0090] The specific embodiments described above further elaborate on the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only the specific embodiments of the present invention and is not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for determining the route selection of a mountain highway through - ridge tunnel, characterized in that, Including: Collect the basic data of mountain roads and preprocess the basic data. The basic data includes: survey data, geological data, environmental data, and special influencing factors; the survey data includes: data of residents along the line, current status of old road diseases, and snow line elevation; the geological data includes: strike of fault zones, distribution range of soluble rocks, and direction of in-situ stress; the environmental data includes: range of nature reserves, range of ecological red lines, hydrology, monthly average temperature, and monthly average humidity; the special influencing factors include: terrain, regional geological data, and highway technical grade. Based on the preprocessed basic data, conduct elevation calculation analysis and tunnel layout analysis to obtain tunnel layout information; specifically including the method: according to the current status of old road diseases, determine the tunnel elevation and preliminary tunnel axis of different alignment schemes, and calculate the number of ice and snow days of tunnels with different alignment schemes based on the snow line elevation; the method of determining the tunnel elevation and preliminary tunnel axis of different alignment schemes according to the current status of old road diseases includes: determining the old road disease points according to the current status of old road diseases; on the basis of the old road disease points, determine the tunnel elevation and preliminary tunnel axis of different route selection schemes according to the avoidance conditions; the avoidance conditions include: for the low-line scheme, avoid all old road disease points; for the mid-line scheme, avoid the number of old road disease points in the first range, and for the high-line scheme, avoid the number of old road disease points in the second range; where the elevation of the old road disease points in the first range is less than the elevation of the old road disease points in the second range; determine the main tunnel layout according to the data of residents along the line, strike of fault zones, distribution range of soluble rocks, and direction of in-situ stress; output the main tunnel layout, tunnel elevation, preliminary tunnel axis, and number of ice and snow days. Combine the auxiliary judgment conditions and the historical scheme database to adjust the tunnel layout information to obtain a tunnel route selection scheme.

2. The method for determining the route selection of a mountain highway through - ridge tunnel according to claim 1, characterized in that, The preprocessing includes: cleaning the basic data and replacing the missing values and abnormal values in the basic data with the mean, median, or mode.

3. A method for determining the route selection of a mountain highway tunnel through a ridge, as described in claim 1, characterized in that, The method of determining the main tunnel layout according to the data of residents along the line, strike of fault zones, distribution range of soluble rocks, and direction of in-situ stress; Including the method: Determine whether the corresponding main tunnel is outcropped according to the data of residents along the line. When the number of residents along the line exceeds the resident number threshold, the corresponding main tunnel is outcropped; otherwise, the corresponding main tunnel is not outcropped. According to the strike of the fault zone, make the corresponding main tunnel intersect the intersecting fault zone as perpendicular as possible, and make the length of the corresponding main tunnel crossing the fault zone the shortest. According to the distribution range of soluble rocks, make the corresponding main tunnel intersect the soluble rock zone as perpendicular as possible, and make the length of the corresponding main tunnel crossing the soluble rock zone the shortest. According to the direction of in-situ stress, make the axis of the corresponding main tunnel intersect the main tunnel at a small angle.

4. A method for determining the route selection of a mountain highway through - ridge tunnel according to claim 1, characterized in that, On the basis of the old road disease points, determine the tunnel elevation and preliminary tunnel axis of different route selection schemes according to the avoidance conditions. Including the method: Statistically calculate the elevations of the disease points on the old road, and take the elevation H of the highest disease point on the old road as the boundary, dividing it into the small station number direction and the large station number direction; max ​ Obtain the elevations of the disease points on the old roads in the direction of the smaller mileage number, from high to low as {A 1、 A 2、 A3.....A n}; Obtain the direction of the larger mileage number Statistically analyze the elevations of the disease points on each old road, from high to low as {B 1、 B 2、 B3.....B n}; Taking {A1-N, A1} as the first small elevation range, where N represents the elevation range parameter, select the elevation of the tunnel entrance as the low-line scheme within the first small elevation range in combination with the topographic map, and denote it as H 低进 ; Taking {B1-N, B1} as the first largest elevation range, select the elevation of the tunnel outlet as the tunnel outlet elevation of the low-line scheme in combination with the topographic map within the first largest elevation range, denoted as H 低出 ; Connect the elevation H 低进 of the tunnel inlet and the elevation H 低出 of the tunnel outlet to obtain the preliminary tunnel axis of the low-line scheme; Taking {A1 + 1 / 3(A n - A1) - N, A1 + 1 / 3(A n - A1)} as the second smallest elevation range, select the portal elevation within the second smallest elevation range in combination with the topographic map as the tunnel entrance elevation of the center line scheme, denoted as H 低进 ; Take {B1 + 1 / 3(B n - B1) - N, B1 + 1 / 3(B n - B1)} as the second largest elevation range. Select the elevation of the tunnel outlet as the elevation of the tunnel outlet for the center line scheme within the second largest elevation range in combination with the topographic map, denoted as H 中出 ; Connect the elevation H of the tunnel inlet 中进 and the elevation H of the tunnel outlet 中出 to obtain the preliminary tunnel axis; Elevation H of the connection tunnel inlet 中进 and elevation H of the tunnel outlet 中出 to obtain the preliminary tunnel axis of the centerline scheme; Take {A1 + 2 / 3(A n - A1) - N, A1 + 2 / 3(A n - A1)} as the third smallest elevation range. Select the elevation of the tunnel entrance as the tunnel entrance elevation of the high-line scheme within the third smallest elevation range in combination with the topographic map, denoted as H 高进 ; Take {B1 + 2 / 3(B n - B1) - 50, B1 + 2 / 3(B n - B1)} as the third largest elevation range. Select the elevation of the tunnel outlet as the elevation of the high-line scheme within the third largest elevation range in combination with the topographic map, and denote it as H 高出 ; Connect the elevation H 高进 of the tunnel inlet and the elevation H 高出 of the tunnel outlet to obtain the preliminary tunnel axis; Elevation H of the connection tunnel entrance 高进 and elevation H of the tunnel exit 高出 to obtain the preliminary tunnel axis of the centerline scheme.

5. A method for determining the route selection of a mountain highway over - mountain tunnel according to claim 1, characterized in that Combine the auxiliary judgment conditions and the historical scheme database to adjust the tunnel layout information to determine the tunnel axis scheme. Including the method: Obtain the auxiliary judgment conditions of the tunnel, search for the reference scheme matching the tunnel layout information in the constructed learning scheme database, and adjust the preliminary tunnel axis. The auxiliary determination conditions of the tunnel include: construction period requirements, cross-section requirements, environmental constraints, ventilation calculation parameters, and whether there are existing structures on the top of the tunnel.

6. A method for determining the route selection of a mountain highway through-tunnel according to claim 5, characterized in that The reference schemes include: the TBM main tunnel scheme, the TBM parallel heading scheme, the drill and blast method scheme, the drill and blast method auxiliary construction scheme with a pilot shaft, and the non-explosive excavation scheme.

7. A system for determining the route selection of a mountain highway tunnel, characterized in that, A method for determining the route selection of a mountain highway through-tunnel, which is used to implement any one of claims 1-6. The system includes: An acquisition module, which is used to acquire the basic data of the mountain highway and preprocess the basic data; A calculation and analysis module, which is used to perform elevation calculation analysis and tunnel layout analysis based on the preprocessed basic data to obtain tunnel layout information; An adjustment module, which is used to adjust the tunnel layout information in combination with the auxiliary determination conditions and the historical scheme database to obtain a tunnel route selection scheme.

8. A computer-readable medium having a computer program stored thereon, characterized in that, The computer program, when executed by a processor, can implement a method for determining the route selection of a mountain highway through-tunnel as described in any one of claims 1-6.

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