CN113158316A - Electric single-hole tunnel parametric modeling method - Google Patents
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Abstract
The invention discloses a parametric modeling method for an electric single-hole tunnel, which comprises the following steps: carrying out parametric design on the profile section of the tunnel; performing track modeling on the profile section of the tunnel; carrying out parametric design on a support and an upright post in the tunnel; typesetting and modeling the bracket and the upright post; and superposing the bracket model, the stand column model and the tunnel model. The tunnel body and the fixing support in the tunnel are subjected to parametric modeling and model superposition, so that the electric single-hole tunnel meets the power transmission and transformation engineering standard of a national power grid and is suitable for various construction processes; the modeling process is rapid and accurate, and the method can be used as a basic model of forward three-dimensional design and solves the problems of unsmooth information circulation and low lean degree of each link.
Description
Technical Field
The invention relates to the technical field of electric power underground pipe network modeling, in particular to a parametric modeling method for an electric power single-hole tunnel.
Background
Along with the continuous improvement of the urban development level and the people living standard, the application rate of the power underground cable in the city is higher and higher. CN104392013 discloses a CAD-based substation engineering cable trench integration modeling calculation system and method, wherein the system comprises cable trench model calculation rule plug-ins, the cable trench model calculation rule plug-ins respectively receive input information of a parameter gallery plug-in, a modeling function module, a node setting module, a node gallery plug-in, a cover plate attribute module and a cover plate arrangement module, and output information of the cable trench model calculation rule plug-ins is sent to a summarizing calculation module. The structure of the cable tunnel cannot be visually displayed, and the cable tunnel is often limited in specific engineering.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a parametric modeling method for the electric single-hole tunnel, so as to further improve the digitization level of the power grid engineering, ensure the modeling process to be quick and accurate, and effectively solve the problems of unsmooth information flow and low lean degree of each link of the engineering.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for parametric modeling of a power single-hole tunnel comprises the following steps:
carrying out parametric design on the profile section of the tunnel;
performing track modeling on the profile section of the tunnel;
carrying out parametric design on a support and an upright post in the tunnel;
typesetting and modeling the bracket and the upright post;
and superposing the bracket model, the stand column model and the tunnel model.
Optionally, the step of performing parametric design on the tunnel profile section includes:
drawing a two-dimensional sketch of the section of the tunnel according to a geometric dimension table of the tunnel;
the upper left corner is defined as the origin of coordinates (dx, dy, dz).
Optionally, the step of performing trajectory modeling of the tunnel profile cross section includes:
obtaining a track point table of the tunnel through a path plan and a path longitudinal section of the tunnel;
sweeping along the track point table according to the two-dimensional sketch of the tunnel section;
a computer-generated spatial sweep trajectory S is recorded.
Optionally, the step of modeling the layout of the support and the column includes:
defining the upper end of the upright post as a coordinate origin (x0, y0, z 0);
defining the directions of x, y and z and the length L of the upright post, and calculating the lower-end coordinate of the upright post;
calculating the starting point coordinates and the terminal coordinates of each support according to the length of each support and the distance between each support and the upper support;
typesetting and modeling and generating a group of stand column support models;
the direction of the support is the x direction, and the extending direction of the tunnel is the y direction; the vertical direction is the z-direction.
Optionally, the step of stacking the bracket model, the pillar model, and the tunnel model includes:
calculating coordinates (x0 ', y0 ', z0 ') of the upright post relative to the original point of the profile according to the thickness and the thickness of the top plate of the profile of the tunnel and the distance between the top end of the upright post and the inner top of the tunnel;
the space arrangement track line S' of the upright column can be calculated by combining the space sweep track line S of the tunnel;
calculating the coordinate sequence of the arrangement points of the upright columns by using a computer according to the distance D between the upright columns and the space arrangement trajectory line S' of the upright columns;
and rendering a group of upright post supports at the position of the arrangement point coordinate sequence in sequence.
For underground cable line engineering, due to the characteristics of hidden engineering, the cable channel space arrangement has high requirements, the traditional two-dimensional design can only process information on a plane, the actual space of a cable tunnel cannot be visually displayed, the conditions of unreasonable cable space position, inaccurate cable length, low efficiency and the like can occur, inconvenience is brought to construction, and engineering cost waste is easily caused.
The invention has the following positive beneficial effects: the tunnel body and the fixing support in the tunnel are subjected to parametric modeling and model superposition, so that the electric single-hole tunnel meets the power transmission and transformation engineering standard of a national power grid and is suitable for various construction processes; the modeling process is rapid and accurate, and the method can be used as a basic model of forward three-dimensional design and solves the problems of unsmooth information circulation and low lean degree of each link.
Drawings
Fig. 1 is a schematic block diagram of a method for parametric modeling of an electric single-hole tunnel according to embodiment 1 of the present invention;
fig. 2 is a table of tunnel geometry provided in embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a two-dimensional sketch of a tunnel section provided in example 1 of the present invention;
fig. 4 is a schematic plan view of a tunnel path provided in embodiment 1 of the present invention;
FIG. 5 is a schematic longitudinal sectional view of a tunnel path according to embodiment 1 of the present invention;
fig. 6 is a table of track points of a tunnel according to embodiment 1 of the present invention;
fig. 7 is a modeling schematic diagram of a two-dimensional sketch of a tunnel section swept along a track point table according to embodiment 1 of the present invention;
fig. 8 is a table of geometric parameters of a cable support model according to embodiment 1 of the present invention;
fig. 9 is a table of geometric parameters of a cable stud model according to embodiment 1 of the present invention;
fig. 10 and fig. 11 are schematic diagrams of modeling performed by modeling and boolean operations on a basic geometry according to embodiment 1 of the present invention;
FIG. 12 is a model of a set of column supports generated after column and support typesetting modeling according to embodiment 1 of the present invention;
fig. 13 is a schematic view of a tunnel profile cross section provided in example 1 of the present invention;
fig. 14 is a schematic diagram of a column support model and a tunnel body model which are superimposed according to embodiment 1 of the present invention.
Detailed Description
The invention will be further illustrated with reference to some specific embodiments.
Example 1
As shown in fig. 1, a method for parametric modeling of a power single-hole tunnel includes the steps of:
s1, carrying out parametric design on the profile section of the tunnel;
s2, performing track modeling of the tunnel contour section;
s3, carrying out parametric design on the supports and the upright posts in the tunnel;
s4, typesetting and modeling the bracket and the upright post;
and S5, overlapping the support model, the stand column model and the tunnel model.
The tunnel body and the fixing support in the tunnel are subjected to parametric modeling and model superposition, so that the electric single-hole tunnel meets the power transmission and transformation engineering standard of a national power grid and is suitable for various construction processes; the modeling process is rapid and accurate, the method can be used as a basic model of forward three-dimensional design, the problems of unsmooth information circulation and low lean degree of each link are solved, the generated model is extremely small, is vivid, similar and accurate, the construction efficiency of constructing the cable by the single-hole tunnel is improved, and the cost is saved.
Specifically, as shown in fig. 2 and 3, for a table of tunnel geometries specified in the cable line, the step of parameterically designing the tunnel profile section includes:
s11, drawing a two-dimensional sketch of the tunnel section according to the tunnel geometric dimension table;
s12, define the upper left corner as the origin of coordinates (dx, dy, dz).
A space rectangular coordinate system is established on a two-dimensional sketch and a coordinate origin is defined, preferably the coordinate origin is fixed at the upper left corner, so that the modeling process is quick and accurate, the three-dimensional design modeling specification of national grid Q/GDW 11810.3-2018 power transmission and transformation engineering is met, and appropriate corresponding parameters can be selected according to the type of a tunnel (a square tunnel and a horseshoe tunnel).
As shown in fig. 4 to 7, the step of modeling the trajectory of the tunnel profile cross section includes:
s21, obtaining a track point table of the tunnel through the path plan and the path longitudinal-section diagram of the tunnel;
s22, sweeping along the track point table according to the two-dimensional sketch of the tunnel section;
s23, recording a computer generated spatial sweep trajectory S.
And S24, performing space sweep on the two-dimensional sketch of the tunnel section drawn according to the tunnel geometric dimension table along the track point table, and completing track modeling.
The column and the support which are used as parts which cannot be lost in the tunnel also need to be subjected to parametric design, and the column and the support are subjected to parametric design by utilizing the basic characteristics of the column and the support, namely modeling is completed by performing Boolean operation on a basic element model. According to the three-dimensional design modeling specification part 3 of the national grid standard Q/GDW 11810.3-2018 transmission and transformation project: the geometric dimension tables of the upright columns and the brackets (see the figures 8 and 9) specified in the cable lines, such as the length of the bracket, the height of the bracket, the thickness of the bracket, the positions of the installation points of the upright columns, the number of the installation points of the clamps and the positions of the installation points of the clamps, the specification of the upright columns, the length of the upright columns, the radius of the upright columns, the radian of the upright columns, the number of the installation points of the brackets and the positions of the installation points of the brackets, are marked and identified by keywords, units and remarks; modeling is completed through modeling and Boolean operation of basic geometric bodies on a cable three-dimensional design platform (see the figure 10 and the figure 11)
As shown in fig. 12, the step of modeling the layout of the support and the column includes:
s41, defining the upper end of the upright post as a coordinate origin (x0, y0, z 0);
s42, defining the directions of x, y and z and the length L of the upright post, and calculating the lower-end coordinate of the upright post;
s43, calculating the coordinates of the starting point and the terminal point of each bracket according to the length of each bracket and the distance between each bracket and the upper bracket;
s44, typesetting and modeling and generating a group of upright post bracket models;
the direction of the support is the x direction, and the extending direction of the tunnel is the y direction; the vertical direction is the z-direction. In the layout of the stand column supports, a plurality of cable supports are required to be placed on one cable stand column, when a model is created, the upper end of the stand column is defined as a coordinate origin (X0, Y0 and Z0), the support direction is an X direction, the tunnel extension direction is a Y direction, and the vertical direction is a Z direction; the coordinate of the bottom end of the upright post is calculated to be (x0, y0, z 0-L) according to the length L of the upright post; and calculating the starting point coordinates and the terminal coordinates of each bracket according to the length of each bracket and the distance between each bracket and the upper bracket. And (4) typesetting and modeling the stand column and the supports to generate a group of models of the stand column supports.
As shown in fig. 13 and 14, the step of stacking the bracket model, the pillar model and the tunnel model includes:
s51, calculating coordinates (x0 ', y0 ', z0 ') of the upright post relative to the outline origin according to the thickness and the thickness of the top plate of the tunnel outline and the distance between the top end of the upright post and the inner top of the tunnel;
s52, combining the tunnel space sweep trajectory line S, the spatial arrangement trajectory line S' of the upright post can be calculated;
s53, calculating a coordinate sequence of arrangement points of the upright posts by using a computer according to the distance D between the upright posts and the space arrangement trajectory line S' of the upright posts;
and S54, rendering a group of upright post supports at the arrangement point coordinate sequence position in sequence.
Calculating a coordinate sequence of arrangement points of the upright columns ((x 1, y1, z 1), (x2, y2, z 2).); and finally, rendering a group of upright supports at the arrangement point sequence position in sequence to complete the superposition of the upright support model and the tunnel body model. The method is used for constructing the three-dimensional model of the electric power single-hole tunnel under various construction processes while meeting the enterprise standard of the national grid company, is quick and accurate in modeling process, and can be used as a basic model for forward three-dimensional design.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A method for parametric modeling of a power single-hole tunnel is characterized by comprising the following steps:
carrying out parametric design on the profile section of the tunnel;
performing track modeling on the profile section of the tunnel;
carrying out parametric design on a support and an upright post in the tunnel;
typesetting and modeling the bracket and the upright post;
and superposing the bracket model, the stand column model and the tunnel model.
2. The method for parametric modeling of an electric power single-hole tunnel according to claim 1, wherein the step of parametrically designing the tunnel profile section comprises:
drawing a two-dimensional sketch of the section of the tunnel according to a geometric dimension table of the tunnel;
the upper left corner is defined as the origin of coordinates (dx, dy, dz).
3. The method of claim 2, wherein the step of performing trajectory modeling of the tunnel profile section comprises:
obtaining a track point table of the tunnel through a path plan and a path longitudinal section of the tunnel;
sweeping along the track point table according to the two-dimensional sketch of the tunnel section;
a computer-generated spatial sweep trajectory S is recorded.
4. The method of claim 1, wherein the step of modeling the layout of the supports and columns comprises:
defining the upper end of the upright post as a coordinate origin (x0, y0, z 0);
defining the directions of x, y and z and the length L of the upright post, and calculating the lower-end coordinate of the upright post;
calculating the starting point coordinates and the terminal coordinates of each support according to the length of each support and the distance between each support and the upper support;
typesetting and modeling and generating a group of stand column support models;
the direction of the support is the x direction, and the extending direction of the tunnel is the y direction; the vertical direction is the z-direction.
5. The method of claim 3, wherein the step of stacking the support model, the column model and the tunnel model comprises:
calculating coordinates (x0 ', y0 ', z0 ') of the upright post relative to the original point of the profile according to the thickness and the thickness of the top plate of the profile of the tunnel and the distance between the top end of the upright post and the inner top of the tunnel;
the space arrangement track line S' of the upright column can be calculated by combining the space sweep track line S of the tunnel;
calculating the coordinate sequence of the arrangement points of the upright columns by using a computer according to the distance D between the upright columns and the space arrangement trajectory line S' of the upright columns;
and rendering a group of upright post supports at the position of the arrangement point coordinate sequence in sequence.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113626919A (en) * | 2021-08-12 | 2021-11-09 | 中铁工程设计咨询集团有限公司 | Tunnel parameterization three-dimensional design method, device, equipment and readable storage medium |
| CN115525990A (en) * | 2022-08-24 | 2022-12-27 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Parametric modeling method and device for railway tunnel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392013A (en) * | 2014-06-06 | 2015-03-04 | 国家电网公司 | Integrated modeling and calculating system and method for substation-project cable trench on basis of CAD (Computer-Aided Design) |
| CN109538237A (en) * | 2019-01-23 | 2019-03-29 | 河南省交通规划设计研究院股份有限公司 | A kind of vcehicular tunnel design method based on OBM |
| AU2020101351A4 (en) * | 2020-07-13 | 2020-08-20 | China University Of Mining And Technology | A MEIM-based design method and system for support of a roadway |
| CN112487521A (en) * | 2020-11-03 | 2021-03-12 | 重庆大学 | Point cloud-based BIM (building information modeling) method and system for tunnel reconstruction project |
-
2021
- 2021-04-30 CN CN202110485113.5A patent/CN113158316A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392013A (en) * | 2014-06-06 | 2015-03-04 | 国家电网公司 | Integrated modeling and calculating system and method for substation-project cable trench on basis of CAD (Computer-Aided Design) |
| CN109538237A (en) * | 2019-01-23 | 2019-03-29 | 河南省交通规划设计研究院股份有限公司 | A kind of vcehicular tunnel design method based on OBM |
| AU2020101351A4 (en) * | 2020-07-13 | 2020-08-20 | China University Of Mining And Technology | A MEIM-based design method and system for support of a roadway |
| CN112487521A (en) * | 2020-11-03 | 2021-03-12 | 重庆大学 | Point cloud-based BIM (building information modeling) method and system for tunnel reconstruction project |
Non-Patent Citations (6)
| Title |
|---|
| 刘厚强;朱聪;易旭鹏;: "道路实体扫掠路径优化算法研究", 高速铁路技术, no. 05 * |
| 刘贝: "基于BIM技术的隧道参数化建模及模型应用研究", 中国优秀硕士学位论文全文数据库, 28 February 2021 (2021-02-28), pages 23 - 44 * |
| 唐亚平: "无线电波传播损耗预测方法与应用研究", 中国优秀硕士学位论文全文数据库, 31 January 2015 (2015-01-31), pages 68 - 69 * |
| 唐亚平: "无线电波传播损耗预测方法与应用研究", 中国优秀硕士学位论文全文数据库, pages 68 - 69 * |
| 朱永学 等: "基于Civil 3D+Revit+Dynamo的公路隧道参数化建模方法研究", 隧道建设（中英文）, pages 109 - 115 * |
| 王丽园;陈楚江;: "一种基于设计数据的公路隧道三维快速自动建模方法", 科技创新导报, no. 31 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113626919A (en) * | 2021-08-12 | 2021-11-09 | 中铁工程设计咨询集团有限公司 | Tunnel parameterization three-dimensional design method, device, equipment and readable storage medium |
| CN113626919B (en) * | 2021-08-12 | 2023-09-15 | 中铁工程设计咨询集团有限公司 | Tunnel parameterized three-dimensional design method, device, equipment and readable storage medium |
| CN115525990A (en) * | 2022-08-24 | 2022-12-27 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Parametric modeling method and device for railway tunnel |
| CN115525990B (en) * | 2022-08-24 | 2023-10-31 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Method and device for parameterized modeling of railway tunnel |
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