Three-dimensional forward design method and system for pumped storage traffic tunnel and ventilation and safety tunnel

Abstract

The invention relates to the field of tunnels and underground engineering, in particular to a three-dimensional forward design method and system for a pumped storage traffic tunnel and a ventilation and safety tunnel, and the method comprises the steps: drawing polylines of a tunnel main line and a branch tunnel line; determining the design principle of the main line and the branch hole line; defining a tunnel intersection relation, an intersection section style and related parameters; matching a cross section for the line of the selected stake number interval and setting a cross section shape contour and surrounding rock support parameters; and generating a tunnel three-dimensional model according to the design principle, the forked section style, the cross section shape contour and the surrounding rock support parameters, and calculating the engineering quantity according to the tunnel three-dimensional model. According to the method, the three-dimensional design efficiency of the traffic tunnel and the ventilation and safety tunnel of the pumped storage power station is improved, the design means of the tunnel intersection section is optimized, the design flexibility is enhanced, the problem that modeling is difficult is effectively solved, and the three-dimensional modeling efficiency and precision are integrally improved.

Description

Technical Field

[0001] The invention relates to the field of tunnels and underground engineering, and in particular to a three-dimensional forward design method and system for a pumped-storage traffic tunnel and a ventilation and safety tunnel. Background Art

[0002] Building a new power system with new energy as the main body has become an important direction for energy development. In this context, pumped storage, as a key component of the power system, is also at a peak of construction, which also puts higher requirements on the design of pumped storage power stations. At present, the design of traffic tunnels and ventilation and safety tunnels of pumped storage power stations is mainly based on two-dimensional design, supplemented by three-dimensional design. Three-dimensional design is mainly used in single tunnel design, which is relatively lacking in flexible layout of lines and handling of line intersections, and lacks linkage design after line intersections. Summary of the invention

[0003] In order to solve the problems of inflexible line layout and difficult line intersection processing, the present invention provides a three-dimensional forward design method and system for a pumped storage traffic tunnel and a ventilation and safety tunnel.

[0004] The present invention provides a three-dimensional forward design method for a pumped storage traffic tunnel and a ventilation and safety tunnel, which adopts the following technical solutions: A three-dimensional forward design method for a pumped storage traffic tunnel and a ventilation and safety tunnel comprises the following steps: Draw polylines for the main tunnel line and branch tunnel line; Determine the design principles for the main line and branch tunnel lines; Define tunnel intersection relationships, intersection styles and related parameters; Match the cross section of the line in the selected pile number interval and set the cross section shape contour and surrounding rock support parameters; A three-dimensional model of the tunnel is generated according to the design principles, intersection section style, cross-sectional shape and surrounding rock support parameters, and the engineering quantity is calculated based on the three-dimensional model of the tunnel.

[0005] In a specific possible implementation scheme, drawing polylines of the main tunnel route and the branch tunnel route includes the following steps: Draw the main route; Draw branch tunnel lines connected to the main line; Check the intersection of the main line and the branch tunnel line.

[0006] In a specific feasible implementation plan, determining the design principles of the main line and branch tunnel lines includes the following steps: Determine the design principles for the main line and branch tunnel lines; Generate longitudinal sections of the main line and branch tunnel lines based on design principles and 3D geological models.

[0007] In a specific implementation scheme, the generation of the longitudinal section includes the following steps: A1, let ZH_dq=L_zhudong_fp, and add ZH_dq to LI_zh; A2, determine whether there is a turning section on the entire line, and record n=0, ZH_dq=0; A3, if it exists, record the starting and ending pile numbers of the turning section into LI_zw and proceed to the next step; if it does not exist, proceed to step 12; A4, judge whether ZH_dq+L_zhudong_dp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step; otherwise, proceed to step A10; A5, set ZH_dq = ZH_dq + L_zhudong_dp and determine whether ZH_dq is greater than LI_zw[2n] and less than LI_zw[2n+1]. If so, set n = n+1 and proceed to the next step; otherwise, add ZH_dq to LI_zh and proceed to step A7; A6, add LI_zw[2n] and LI_zw[2n+1] to LI_zh, set ZH_dq=LI_zw[2n+1], and proceed to step A4; A7, determine whether ZH_dq+L_zhudong_hp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step, otherwise proceed to step A11; A8, let ZH_dq=ZH_dq+L_zhudong_hp and determine whether ZH_dq is greater than LI_zw[2n] and less than LI_zw[2n+1]. If so, let n=n+1 and add ZH_dq to LI_zh and proceed to the next step; otherwise, add ZH_dq to LI_zh and proceed to step A4; A9, set ZH_dq equal to LI_zwLI_zw[2n+1], add it to LI_zh, and proceed to step A4; A10, determine whether L_zhudong_xl-L_zhudong_sp is greater than or equal to LI_zw[2n]. If so, set ZH_dq equal to LI_zw[2n] and add it to LI_zh, and proceed to step A7; otherwise, proceed to step A16; A11, determine whether L_zhudong_xl-L_zhudong_sp is less than or equal to LI_zw[2n+1]. If yes, proceed to step A16. Otherwise, set ZH_dq equal to LI_zw[2n+1] and add it to LI_zh. Set n=n+1 and proceed to step A4. A12, judge whether ZH_dq+L_zhudong_dp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step; otherwise, proceed to step A16; A13, let ZH_dq=ZH_dq+L_zhudong_dp and add ZH_dq to LI_zh; A14, determine whether ZH_dq+L_zhudong_hp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step, otherwise proceed to step A16; A15, let ZH_dq=ZH_dq+L_zhudong_hp, add ZH_dq to LI_zh and proceed to step A12; A16, add L_zhudong_xl-L_zhudong_sp and L_zhudong_xl to LI_zh; A17, determine P_zhudong_slope, if P_zhudong_slope is an integer distribution, set S_dp=S_zhudong_dp, and proceed to step A19; if P_zhudong_slope is an average distribution, set x=1, and proceed to step A18; A18, if x is less than the number of data in LI_zh, calculate the following: L_dpz=L_hpz+LI_zh[x]-L_dpz[x-1], L_hpz=L_hpz+LI_zh[x+1]-L_dpz[x], x=x+2, and repeat step A18; if x is greater than or equal to the number of data in LI_zh, calculate S_dp=(EL_zhudong_rk+L_zhudong_fp*S_zhudong_fp-EL_gonggong_ck-L_hpz*S_zhudong_hp) / L_dpz, and proceed to the next step; A19, let m = 0, EL_dq = EL_zhudong_rk, j equals the number of data in LI_zh; add stake number 0 and EL_dq as a group of data to LI_zhgc; A20, calculate EL_dq=EL_zhudong_rk+L_zhudong_fp*S_zhudong_fp, add LI_zh[m] and EL_dq as a set of data to LI_zhgc; A21, determine whether m is less than j-1, if so, calculate EL_dq=EL_dq-(LI_zh[m+1]-LI_zh[m])*S_dp, and add LI_zh[m+1] and EL_dq as a set of data to LI_zhgc; if not, proceed to step A23; A22, calculate EL_dq=EL_dq-(LI_zh[m+2]-LI_zh[m+1])*S_hp, and add LI_zh[m+2] and EL_dq as a set of data to LI_zhgc, m=m+2, and proceed to step A21; A23, add L_zhudong_xl-L_zhudong_sp and EL_gonggong_ck as a set of data to LI_zhgc; add L_zhudong_xl and EL_gonggong_ck as a set of data to LI_zhgc; A24, traverse each set of data in LI_zhgc, and add them to the longitudinal section in turn to generate the longitudinal section.

[0008] In a specific embodiment, Defining tunnel intersection relationships, intersection styles, and related parameters includes the following steps: Get the set tunnel intersection relationship and the slope type of the branch tunnel line; If the starting point of the branch tunnel line is located in the steep slope section of the main line, output whether to adjust the longitudinal section so that the starting point of the branch tunnel line falls on the non-steep slope section of the main line. If adjustment is required, obtain the length of the gentle slope section; obtain the intersection style and corresponding shape parameters at the transition position of the input tunnel intersection section, and then update the longitudinal section; If no adjustment is required, or the starting point of the branch tunnel line is not located on the steep slope section of the main line, proceed directly to the subsequent operations.

[0009] In a specific feasible implementation plan, matching the cross section of the line in the selected pile number interval and setting the cross section body contour and surrounding rock support parameters include the following steps: Select a main line or branch line and define the pile number interval. Set the cross-section shape and surrounding rock support parameters; Generate a cross section based on the cross section shape and surrounding rock support parameters, and match the cross section to the pile number range.

[0010] In a specific embodiment, the intersection segment patterns include standard rounded corners and standard right angles.

[0011] The present invention also provides a three-dimensional forward design system for a pumped storage traffic tunnel and a ventilation and safety tunnel, which adopts the following technical solutions: A three-dimensional forward design system for pumped storage traffic tunnels and ventilation and safety tunnels of a pumped storage power station, comprising: a line design module: used to generate different types of lines, define design principles, define intersection styles and generate longitudinal sections; Line parameter module: used to adjust the longitudinal slope, horizontal length and other parameters of the line; Cross-section design module: used to define the cross-section shape and surrounding rock support parameters of the tunnel section through the line pile number interval, and generate a three-dimensional model of the tunnel; Engineering quantity statistics module: used to count the excavation, support and concrete quantities.

[0012] In a specific implementation scheme, the circuit design module includes the following modules: Line type definition and generation module, used to define the line type and select the corresponding polyline to generate the main line and branch tunnel line; The line design principle configuration module configures the line design principles according to the line type definition and the main line and branch tunnel line defined in the generation module; For the main line, it is necessary to configure the slope, horizontal distance of each section, and steep and gentle slope distribution, and generate the longitudinal section; for the branch tunnel line, it is necessary to configure the intersection relationship between the branch tunnel line and the main tunnel line and the slope type of the secondary tunnel; The intersection section style setting module is used to set the intersection section style and corresponding parameters.

[0013] In a specific implementation scheme, the cross-section design module includes the following modules: Define route and stake range module, used to select the main route or branch route that needs cross-section configuration and define the stake range; The cross-section parameter setting module is used to set the shape and contour parameters of the cross section and the surrounding rock support parameters; The module for matching lines and cross sections is used to match the pile number intervals of each line defined in the module for defining lines and pile number ranges with the cross sections in the cross section parameter setting module, and then to generate a three-dimensional model of the tunnel based on the longitudinal section adjusted by the line parameter module and the intersection section style set in the line design module, using the line generated in the line design module as the path.

[0014] In summary, the present invention has the following beneficial effects: Through the three-dimensional forward design method and system of pumped-storage traffic tunnels and ventilation and safety tunnels in pumped-storage power stations, the three-dimensional design efficiency and accuracy of traffic tunnels and ventilation and safety tunnels in pumped-storage power stations are improved, the flexibility of the three-dimensional design of the intersection sections of traffic tunnels and ventilation and safety tunnels is enhanced, and the intersection section model of the main tunnel and branch tunnel can be generated with one click. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a flow chart of the three-dimensional forward design method of pumped storage traffic tunnel and ventilation and safety tunnel.

[0016] Figure 2 This is a flowchart of steps A1 to A3 in step S200.

[0017] Figure 3 It is a flowchart of steps A4-A11 and A16 in step S200.

[0018] Figure 4 This is a flowchart of steps A12 to A16 in step S200.

[0019] Figure 5 This is a flowchart of steps A17 to A24 in step S200. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-5 The present invention is described in further detail.

[0021] Reference Figure 1 The three-dimensional forward design method of pumped storage traffic tunnel and ventilation and safety tunnel includes the following steps: S100, draw the main tunnel line and branch tunnel line.

[0022] By drawing polylines in the drawing software, the main line and branch tunnel lines of the tunnel are simulated. After the drawing is completed, check whether there are intersections between the polylines, that is, whether there are intersections between the main line and the branch tunnel lines, to ensure that the main line is connected with each branch tunnel line.

[0023] S200, determining the design principles of the main line and the branch tunnel line, and generating longitudinal sections of the main line and the branch tunnel line according to the design principles and the three-dimensional geological model.

[0024] Design principles include slope, steep and gentle slope distribution, etc. Design principles are defined according to the types of main lines and branch tunnel lines. According to the design principles, 3D geological model, and predetermined longitudinal section positions, it is calculated whether each steep slope and gentle slope exceeds the total length of the main line and branch tunnel lines and whether the turning section falls on the steep slope section, and the pile number and elevation of each section are recorded, and the longitudinal sections of the main line and branch tunnel lines are generated at the longitudinal section position.

[0025] Reference Figures 2 to 5 , for ease of understanding, the generation process of the longitudinal section is further explained below.

[0026] Define the exit elevation EL_gonggong_ck, line length L_zhudong_xl, entrance elevation EL_zhudong_rk, reverse slope horizontal distance L_zhudong_fp, reverse slope slope S_zhudong_fp, gentle slope horizontal distance L_zhudong_hp, gentle slope slope S_zhudong_hp, steep slope horizontal distance L_zhudong_dp, steep slope maximum slope S_zhudong_max, steep slope slope distribution principle P_zhudong_slope, steep slope rounding slope S_zhudong_dp, horizontal distance L_ zhudong_sp, line length L_zhidong_xl, actual length L_zhidong_sj, slope S_zhidong_sp, horizontal section (front) L_zhidong_qsp, maximum slope L_zhidong_max, slope section S_zhidong_sds, horizontal section (back) L_zhidong_hsp, total length of gentle slope section L_hpz, total length of steep slope section L_dpz, slope of steep slope section S_dp, current pile number ZH_dq, current elevation EL_dq, turning section pile number set LI_zw, pile number set LI_zh, pile number and elevation set LI_zhgc and other parameters.

[0027] A1, let ZH_dq=L_zhudong_fp, and add ZH_dq to LI_zh; A2, determine whether there is a turning section on the entire line, and record n=0, ZH_dq=0; A3, if it exists, record the starting and ending pile numbers of the turning section into LI_zw and proceed to the next step; if it does not exist, proceed to step 12; A4, judge whether ZH_dq+L_zhudong_dp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step; otherwise, proceed to step A10; A5, set ZH_dq = ZH_dq + L_zhudong_dp and determine whether ZH_dq is greater than LI_zw[2n] and less than LI_zw[2n+1]. If so, set n = n+1 and proceed to the next step; otherwise, add ZH_dq to LI_zh and proceed to step A7; A6, add LI_zw[2n] and LI_zw[2n+1] to LI_zh, set ZH_dq=LI_zw[2n+1], and proceed to step A4; A7, determine whether ZH_dq+L_zhudong_hp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step, otherwise proceed to step A11; A8, let ZH_dq=ZH_dq+L_zhudong_hp and determine whether ZH_dq is greater than LI_zw[2n] and less than LI_zw[2n+1]. If so, let n=n+1 and add ZH_dq to LI_zh and proceed to the next step; otherwise, add ZH_dq to LI_zh and proceed to step A4; A9, set ZH_dq equal to LI_zwLI_zw[2n+1], add it to LI_zh, and proceed to step A4; A10, determine whether L_zhudong_xl-L_zhudong_sp is greater than or equal to LI_zw[2n]. If so, set ZH_dq equal to LI_zw[2n] and add it to LI_zh, and proceed to step A7; otherwise, proceed to step A16; A11, determine whether L_zhudong_xl-L_zhudong_sp is less than or equal to LI_zw[2n+1]. If yes, proceed to step A16. Otherwise, set ZH_dq equal to LI_zw[2n+1] and add it to LI_zh. Set n=n+1 and proceed to step A4. A12, judge whether ZH_dq+L_zhudong_dp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step; otherwise, proceed to step A16; A13, let ZH_dq=ZH_dq+L_zhudong_dp and add ZH_dq to LI_zh; A14, determine whether ZH_dq+L_zhudong_hp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step, otherwise proceed to step A16; A15, let ZH_dq=ZH_dq+L_zhudong_hp, add ZH_dq to LI_zh and proceed to step A12; A16, add L_zhudong_xl-L_zhudong_sp and L_zhudong_xl to LI_zh; A17, determine P_zhudong_slope, if P_zhudong_slope is an integer distribution, set S_dp=S_zhudong_dp, and proceed to step A19; if P_zhudong_slope is an average distribution, set x=1, and proceed to step A18; A18, if x is less than the number of data in LI_zh, calculate the following: L_dpz=L_hpz+LI_zh[x]-L_dpz[x-1], L_hpz=L_hpz+LI_zh[x+1]-L_dpz[x], x=x+2, and repeat step A18; if x is greater than or equal to the number of data in LI_zh, calculate S_dp=(EL_zhudong_rk+L_zhudong_fp*S_zhudong_fp-EL_gonggong_ck-L_hpz*S_zhudong_hp) / L_dpz, and proceed to the next step; A19, let m = 0, EL_dq = EL_zhudong_rk, j equals the number of data in LI_zh; add stake number 0 and EL_dq as a group of data to LI_zhgc; A20, calculate EL_dq=EL_zhudong_rk+L_zhudong_fp*S_zhudong_fp, add LI_zh[m] and EL_dq as a set of data to LI_zhgc; A21, determine whether m is less than j-1, if so, calculate EL_dq=EL_dq-(LI_zh[m+1]-LI_zh[m])*S_dp, and add LI_zh[m+1] and EL_dq as a set of data to LI_zhgc; if not, proceed to step A23; A22, calculate EL_dq=EL_dq-(LI_zh[m+2]-LI_zh[m+1])*S_hp, and add LI_zh[m+2] and EL_dq as a set of data to LI_zhgc, m=m+2, and proceed to step A21; A23, add L_zhudong_xl-L_zhudong_sp and EL_gonggong_ck as a set of data to LI_zhgc; add L_zhudong_xl and EL_gonggong_ck as a set of data to LI_zhgc; A24, traverse each set of data in LI_zhgc, and add them to the longitudinal section in turn to generate the longitudinal section.

[0028] S300, setting the intersection relationship of the two intersecting tunnels and the slope type of the branch tunnel line. According to the intersection of the starting point of the branch tunnel line and the main line, the intersection style and corresponding parameters of the intersecting tunnels are set.

[0029] Get the set tunnel intersection relationship and the slope type of the branch tunnel line, and analyze the starting point of the branch tunnel line. If the starting point of the branch tunnel line is located in the steep slope section of the main line, output whether to adjust the longitudinal section so that the starting point of the branch tunnel line falls on the non-steep slope section of the main line, and get the feedback result. If no adjustment is required, perform subsequent operations; if adjustment is required, obtain the length of the gentle slope section, obtain the intersection style and corresponding shape parameters at the transition position of the input tunnel intersection section, and then update the longitudinal section. If the starting point of the branch tunnel line is not located in the steep slope section of the main line, do not perform the above operations and directly perform subsequent operations.

[0030] The corresponding parameters include segment type, starting pile number, ending pile number, horizontal distance, slope, starting elevation and ending elevation, etc. The corresponding parameters are output in the form of a table. By obtaining the input parameters, the parameters in the table are adjusted. While adjusting the parameters, the longitudinal section is automatically adjusted, and the adjusted parameters are sent back in real time and updated in the table. By comparing each horizontal distance in the adjustment table, the horizontal distance of each reverse slope section L_zhudong_fp, the horizontal distance of the gentle slope section L_zhudong_hp and the horizontal distance of the steep slope section L_zhudong_dp are confirmed.

[0031] S400, select the main line and branch tunnel line, define the pile number interval, set the cross-section body contour and surrounding rock support parameters, and match the line in the pile number interval with the cross section.

[0032] Each time a main line or branch tunnel line is selected, the pile number interval is defined, and the cross-section shape profile and surrounding rock support parameters are set. Among them, the definition of the pile number interval is manually selected according to the engineering geological conditions and manually input. The cross-section shape profile and surrounding rock support parameters are also manually set. Generate a cross section based on the cross-section shape profile and surrounding rock support parameters, and match the cross section to the corresponding pile number interval.

[0033] S500: Generate a three-dimensional tunnel model. Perform engineering quantity statistics based on the generated three-dimensional tunnel model.

[0034] The three-dimensional tunnel model is generated based on the design principles, intersection section style, cross-section body contour, surrounding rock support parameters and longitudinal section. In the three-dimensional tunnel model, the line intersection section has two styles: standard rounded corners and standard right angles. The process of generating a standard right angle includes the following steps: First, obtain the right angle length L_jiaocha_zj, angle DEG_jiaocha_zj and other parameters, and then complete the following steps according to the cross-sectional shape and surrounding rock support parameters: B1, generate the main tunnel model M_zhudong_y along the main line, and generate the branch tunnel model M_zhidong_h along the branch tunnel line with the intersection of the main tunnel and the branch tunnel deviated from L_jiaocha_zj along the branch tunnel line as the starting point; B2, calculate the width of the branch hole shape contour after the change W_zhidong_txbh=W_zhudong_tx / 2 / cosDEG_jiaocha_zj, and the height H_zhidong_txbh=H_zhudong_tx.

[0035] B3, based on the changed branch tunnel shape parameters, generate the surface area RE_zhidong_bh at the main tunnel ZH_zhudong_jc stake number perpendicular to the branch tunnel direction, and generate the surface area RE_zhidong_y at the intersection of the main tunnel and the branch tunnel along the branch tunnel line deviation L_jiaocha_zj with the original branch tunnel shape parameters; B4, using C3D lofting API to generate model M_zhidong_q along the branch hole with RE_zhidong_bh and RE_zhidong_y, and merge M_zhidong_h and M_zhidong_q into M_zhidong_qhh; B5, perform Boolean operation on M_zhudong_y and M_zhidong_qhh.

[0036] The process of generating a standard fillet includes the following steps: First, obtain the parameters such as the positive fillet radius R_jiaocha_zx, the positive angle DEG_jiaocha_zx, the reverse fillet radius R_jiaocha_fx, and the reverse angle DEG_jiaocha_fx, and then complete the following steps according to the cross-sectional shape and surrounding rock support parameters: C1, compare R_jiaocha_zx and R_jiaocha_fx to get the larger number R_jiaocha_max and the smaller number R_jiaocha_min; C2, the main tunnel model M_zhudong_y is generated with (0,0) as the center along the positive y-axis, and the branch tunnel model M_zhidong_h is generated with the deviation R_jiaocha_max along the branch tunnel line at the intersection of the main tunnel and the branch tunnel as the starting point along the positive x-axis; C3, create an arc ARC_max with a starting point (R_jiaocha_max, 0) and an end point (0, R_jiaocha_max) with a radius of R_jiaocha_max, and an arc ARC_min with a starting point (R_jiaocha_min, 0) and an end point (0, R_jiaocha_min) with a radius of R_jiaocha_min; C4, generate the face domain RE_zhidong_tx of the half part of the branch hole according to the shape parameters of the branch hole; and place the vertical y-axis of RE_zhidong_tx at (0, R_jiaocha_max), (0, R_jiaocha_min) and the vertical x-axis at (R_jiaocha_max, 0), (R_jiaocha_max, 0) respectively; C5, loft the placed RE_zhidong_tx along the arcs ARC_max and ARC_min respectively, and merge the models to obtain M_jiaocha_tx; C6, draw a closed polyline passing through the four points (W_zhudong_tx / 2-W_zhidong_tx / 2, R_jiaocha_zx+W_zhidong_tx / 2), (-(W_zhudong_tx / 2-W_zhidong_tx / 2), -(R_jiaocha_fx+W_zhidong_tx / 2)), (R_jiaocha_fx, 0) and (R_jiaocha_zx, 0), and stretch it using the C3D stretching API to obtain the model M_jiaocha_s; C7, merge M_jiaocha_tx and M_jiaocha_s and perform Boolean operation with M_zhudong_y and M_zhidong_h to obtain the model M_jiaocha_z; C8, with (0,0) as the reference point and the intersection of the main tunnel and the branch tunnel as the target point, move M_jiaocha_z and rotate it to the same angle as the main tunnel line.

[0037] After completing the construction of the tunnel 3D model, the excavation, support, concrete and other engineering quantities are calculated based on the tunnel 3D model.

[0038] The present invention also discloses a three-dimensional forward design system for a pumped-storage traffic tunnel and a ventilation and safety tunnel of a pumped-storage power station, which is used to execute the above-mentioned three-dimensional forward design method for a pumped-storage traffic tunnel and a ventilation and safety tunnel of a pumped-storage power station, and comprises: a line design module: used to generate different types of lines, define design principles, define intersection section styles and generate longitudinal sections; Line parameter module: used to adjust the longitudinal slope, horizontal length and other parameters of the line; Cross-section design module: used to define the cross-section shape and surrounding rock support parameters of the tunnel section through the line pile number interval, and generate a three-dimensional model of the tunnel; Engineering quantity statistics module: used to count the excavation, support and concrete quantities.

[0039] The circuit design module includes the following modules: Line type definition and generation module, used to define the line type and select the corresponding polyline to generate the main line and branch tunnel line; The line design principle configuration module configures the line design principles according to the line type definition and the main line and branch tunnel line defined in the generation module; For the main line, it is necessary to configure the slope, horizontal distance of each section, and steep and gentle slope distribution, and generate the longitudinal section; for the branch tunnel line, it is necessary to configure the intersection relationship between the branch tunnel line and the main tunnel line and the slope type of the secondary tunnel; The intersection section style setting module is used to set the intersection section style and corresponding parameters.

[0040] The line parameter module includes the following modules: A line selection module is used to select the line whose parameters need to be adjusted; The parameter adjustment module is used to adjust the horizontal distance, slope and other parameters of the line selected in the line selection module. After the adjustment, the system will update the longitudinal section according to the adjustment results.

[0041] The cross-section design module includes the following modules: Define route and stake range module, used to select the main route or branch route that needs cross-section configuration and define the stake range; The cross-section parameter setting module is used to set the shape and contour parameters of the cross section and the surrounding rock support parameters; The module for matching lines and cross sections is used to match the pile number intervals of each line defined in the module for defining lines and pile number ranges with the cross sections in the cross section parameter setting module, and then to generate a three-dimensional model of the tunnel based on the longitudinal section adjusted by the line parameter module and the intersection section style set in the line design module, using the line generated in the line design module as the path.

[0042] The engineering quantity statistics module is used to count the engineering quantities such as excavation, support and concrete according to the three-dimensional models of the main tunnel, branch tunnel and intersection section finally generated by the cross-section design module.

[0043] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A three-dimensional forward design method for a pumped storage traffic tunnel and a ventilation and safety tunnel, characterized in that: The steps include: Draw polylines for the main tunnel line and branch tunnel line; Determine the design principles for the main line and branch tunnel lines; Define tunnel intersection relationships, intersection styles and related parameters; Match the cross section of the line in the selected pile number interval and set the cross section shape contour and surrounding rock support parameters; A three-dimensional model of the tunnel is generated according to the design principles, intersection section style, cross-sectional shape and surrounding rock support parameters, and the engineering quantity is calculated based on the three-dimensional model of the tunnel.

2. The three-dimensional forward design method for pumped storage traffic tunnel and ventilation and safety tunnel according to claim 1 is characterized by: The steps to draw the polylines of the main tunnel line and branch tunnel line are as follows: Draw the main route; Draw branch tunnel lines connected to the main line; Check the intersection of the main line and the branch tunnel line.

3. The three-dimensional forward design method for pumped storage traffic tunnel and ventilation and safety tunnel according to claim 1 is characterized by: The design principles for determining the main line and branch tunnel lines include the following steps: Determine the design principles for the main line and branch tunnel lines; Generate longitudinal sections of the main line and branch tunnel lines based on design principles and 3D geological models.

4. The three-dimensional forward design method for pumped storage traffic tunnel and ventilation and safety tunnel according to claim 3 is characterized by: The generation of a longitudinal section includes the following steps: A1, let ZH_dq=L_zhudong_fp, and add ZH_dq to LI_zh; A2, determine whether there is a turning section on the entire line, and record n=0, ZH_dq=0; A3, if it exists, record the starting and ending pile numbers of the turning section into LI_zw and proceed to the next step; if it does not exist, proceed to step 12; A4, judge whether ZH_dq+L_zhudong_dp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step; otherwise, proceed to step A10; A5, set ZH_dq = ZH_dq + L_zhudong_dp and determine whether ZH_dq is greater than LI_zw[2n] and less than LI_zw[2n+1]. If so, set n = n+1 and proceed to the next step; otherwise, add ZH_dq to LI_zh and proceed to step A7; A6, add LI_zw[2n] and LI_zw[2n+1] to LI_zh, set ZH_dq=LI_zw[2n+1], and proceed to step A4; A7, determine whether ZH_dq+L_zhudong_hp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step, otherwise proceed to step A11; A8, let ZH_dq=ZH_dq+L_zhudong_hp and determine whether ZH_dq is greater than LI_zw[2n] and less than LI_zw[2n+1]. If so, let n=n+1 and add ZH_dq to LI_zh and proceed to the next step; otherwise, add ZH_dq to LI_zh and proceed to step A4; A9, set ZH_dq equal to LI_zwLI_zw[2n+1], add it to LI_zh, and proceed to step A4; A10, determine whether L_zhudong_xl-L_zhudong_sp is greater than or equal to LI_zw[2n]. If so, set ZH_dq equal to LI_zw[2n] and add it to LI_zh, and proceed to step A7; otherwise, proceed to step A16; A11, determine whether L_zhudong_xl-L_zhudong_sp is less than or equal to LI_zw[2n+1]. If yes, proceed to step A16. Otherwise, set ZH_dq equal to LI_zw[2n+1] and add it to LI_zh. Set n=n+1 and proceed to step A4. A12, judge whether ZH_dq+L_zhudong_dp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step; otherwise, proceed to step A16; A13, let ZH_dq=ZH_dq+L_zhudong_dp and add ZH_dq to LI_zh; A14, determine whether ZH_dq+L_zhudong_hp is less than L_zhudong_xl-L_zhudong_sp, if yes, proceed to the next step, otherwise proceed to step A16; A15, let ZH_dq=ZH_dq+L_zhudong_hp, add ZH_dq to LI_zh and proceed to step A12; A16, add L_zhudong_xl-L_zhudong_sp and L_zhudong_xl to LI_zh; A17, determine P_zhudong_slope, if P_zhudong_slope is an integer distribution, set S_dp=S_zhudong_dp, and proceed to step A19; if P_zhudong_slope is an average distribution, set x=1, and proceed to step A18; A18, if x is less than the number of data in LI_zh, calculate the following: L_dpz=L_hpz+LI_zh[x]-L_dpz[x-1], L_hpz=L_hpz+LI_zh[x+1]-L_dpz[x], x=x+2, and repeat step A18; if x is greater than or equal to the number of data in LI_zh, calculate S_dp=(EL_zhudong_rk+L_zhudong_fp*S_zhudong_fp-EL_gonggong_ck-L_hpz*S_zhudong_hp) / L_dpz, and proceed to the next step; A19, let m = 0, EL_dq = EL_zhudong_rk, j equals the number of data in LI_zh; add stake number 0 and EL_dq as a group of data to LI_zhgc; A20, calculate EL_dq=EL_zhudong_rk+L_zhudong_fp*S_zhudong_fp, add LI_zh[m] and EL_dq as a set of data to LI_zhgc; A21, determine whether m is less than j-1, if so, calculate EL_dq=EL_dq-(LI_zh[m+1]-LI_zh[m])*S_dp, and add LI_zh[m+1] and EL_dq as a set of data to LI_zhgc; if not, proceed to step A23; A22, calculate EL_dq=EL_dq-(LI_zh[m+2]-LI_zh[m+1])*S_hp, and add LI_zh[m+2] and EL_dq as a set of data to LI_zhgc, m=m+2, and proceed to step A21; A23, add L_zhudong_xl-L_zhudong_sp and EL_gonggong_ck as a set of data to LI_zhgc; add L_zhudong_xl and EL_gonggong_ck as a set of data to LI_zhgc; A24, traverse each set of data in LI_zhgc, and add them to the longitudinal section in turn to generate the longitudinal section.

5. The three-dimensional forward design method for pumped storage traffic tunnel and ventilation and safety tunnel according to claim 1 is characterized by: Defining tunnel intersection relationships, intersection styles, and related parameters includes the following steps: Get the set tunnel intersection relationship and the slope type of the branch tunnel line; If the starting point of the branch tunnel line is located in the steep slope section of the main line, output whether to adjust the longitudinal section so that the starting point of the branch tunnel line falls on the non-steep slope section of the main line. If adjustment is required, obtain the length of the gentle slope section; obtain the intersection style and corresponding shape parameters at the transition position of the input tunnel intersection section, and then update the longitudinal section; If no adjustment is required, or the starting point of the branch tunnel line is not located on the steep slope section of the main line, proceed directly to the subsequent operations.

6. The three-dimensional forward design method for pumped storage traffic tunnel and ventilation and safety tunnel according to claim 1 is characterized by: Matching the cross section of the line in the selected pile number interval and setting the cross section shape profile and surrounding rock support parameters include the following steps: Select a main line or branch line and define the pile number interval. Set the cross-section shape and surrounding rock support parameters; Generate a cross section based on the cross section shape and surrounding rock support parameters, and match the cross section to the pile number range.

7. The three-dimensional forward design method for pumped storage traffic tunnel and ventilation and safety tunnel according to claim 1 is characterized by: Intersection styles include standard rounded corners and standard right angles.

8. A three-dimensional forward design system for pumped storage traffic tunnels and ventilation and safety tunnels in pumped storage power stations, characterized in that: include: Route design module: used to generate different types of routes, define design principles, define intersection styles and generate longitudinal sections; Line parameter module: used to adjust the longitudinal slope, horizontal length and other parameters of the line; Cross-section design module: used to define the cross-section shape and surrounding rock support parameters of the tunnel section through the line pile number interval, and generate a three-dimensional model of the tunnel; Engineering quantity statistics module: used to count the excavation, support and concrete quantities.

9. The three-dimensional forward design method for pumped storage traffic tunnel and ventilation and safety tunnel according to claim 8 is characterized by: The circuit design module includes the following modules: Line type definition and generation module, used to define the line type and select the corresponding polyline to generate the main line and branch tunnel line; The line design principle configuration module configures the line design principles according to the line type definition and the main line and branch tunnel line defined in the generation module; Among them, the main line needs to configure the slope, horizontal distance of each section, and steep and gentle slope distribution, and generate the longitudinal section; For branch tunnel lines, it is necessary to configure the intersection relationship between the branch tunnel line and the main tunnel line and the slope type of the secondary tunnel; The intersection section style setting module is used to set the intersection section style and corresponding parameters.

10. The three-dimensional forward design method for pumped storage traffic tunnel and ventilation and safety tunnel according to claim 8 is characterized by: The cross-section design module includes the following modules: Define route and stake range module, which is used to select the main route or branch route that needs to be configured for cross section and define the stake range; The cross-section parameter setting module is used to set the shape and contour parameters of the cross section and the surrounding rock support parameters; The module for matching lines and cross sections is used to match the pile number intervals of each line defined in the module for defining lines and pile number ranges with the cross sections in the cross section parameter setting module, and then to generate a three-dimensional model of the tunnel based on the longitudinal section adjusted by the line parameter module and the intersection section style set in the line design module, using the line generated in the line design module as the path.

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