CN116361963A - Automatic CAD platform-based highway traffic engineering communication facility integrated automation and standardization design method - Google Patents
Automatic CAD platform-based highway traffic engineering communication facility integrated automation and standardization design method Download PDFInfo
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Abstract
The invention discloses a highway traffic engineering communication facility integrated automation and standardization design method based on an AutoCAD platform, which comprises the following steps: s1, generating a project overall plane layout diagram through analysis based on related road design data, and internally converting each imported structure information into XML universal exchange file format data through the method for storage; s2, reading design data of the communication pipeline, and automatically distributing intervals and tube types according to the data; and S3, after the design data is imported, automatically drawing a general plane layout diagram of the communication pipeline, and drawing all-line manhole, hand hole, pipeline model and road passing pipe design information. The method can intuitively display the design scheme of the communication pipeline of the highway traffic engineering, realize the dynamic interaction of modifying the layout position of the manhole and the hand hole well of the communication pipeline and the length of the pipeline, feed back the design quantity modification in real time, output the engineering quantity in real time, support the output XML storage data to exchange data with a BIM related platform, and effectively improve the design efficiency of the communication pipeline of the highway industry.
Description
Technical Field
The invention belongs to the field of automatic design of communication pipelines of expressways and conventional highway engineering, and particularly relates to an automatic and standardized design method for integration of highway traffic engineering communication facilities based on an AutoCAD platform.
Background
The existing platforms for bearing BIM technology at home and abroad are mainly three platforms, namely Autodesk, bentley and Dassault platforms, which are main platforms for bearing informationized models in BIM design, and because traffic engineering facilities are in very backward stages in BIM design, the method is mainly for preferentially solving parameterization and informationized design, assisting in automatic layout, completing automatic summarization and calculation of relevant engineering quantity of communication pipelines, and taking XML universal exchange data as interface bearing data, can directly provide BIM information data of the communication pipelines of the BIM platform, and has heavy manual drawing and calculation workload, and the integrated automation and standardized design method of the road traffic engineering communication facilities based on the AutoCAD platform is helpful for promoting the technical progress of the road traffic engineering industry, and can effectively improve the integrated automation and standardized design efficiency of the road engineering communication facilities.
Disclosure of Invention
In order to solve the defects existing in the prior art, the invention aims to provide an AutoCAD platform-based integrated automation and standardization design method for highway traffic engineering communication facilities, which can complete highway communication pipeline layout through rapid and automatic operation, can intuitively display a highway traffic engineering communication pipeline design scheme, can realize dynamic interaction for modifying communication pipeline manhole well layout positions and pipeline lengths, feeds back design quantity modification in real time, outputs engineering quantity in real time, supports output XML storage data to exchange data with a BIM related platform, and effectively improves the design efficiency of the highway industry communication pipeline.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an automatic CAD platform-based highway traffic engineering communication facility integrated automation and standardization design method comprises the following steps:
s1, generating a project overall plane layout diagram through analysis based on related road design data, and internally converting each imported structure information into XML universal exchange file format data through the method for storage;
s2, reading design data of the communication pipeline, and automatically distributing intervals and tube types according to the data;
and S3, after the design data is imported, automatically drawing a general plane layout diagram of the communication pipeline, and drawing all-line manhole, hand hole, pipeline model and road passing pipe design information.
Preferably, in step S1, the design data includes:
the road main line, the bridge and the tunnel route design line comprise information such as a flat curve, a corner line and other key information such as starting and ending pile number information, and the key pile number information comprises main line starting and ending point, turning radius information, an integral roadbed section, a separated roadbed section, a bridge starting and ending point, a tunnel starting and ending pile number, a pedestrian crossing hole, a vehicle crossing hole and the like in a tunnel, a tunnel connecting channel and an intercommunication section structure pile number.
Preferably, the communication pipeline design data reading specifically includes:
the design parameters of the communication pipeline comprise pipeline positions, pipeline drawing, inspection well layout dimensions and intervals, pipe box intervals, bridge tunnel manhole intervals and models, communication pipeline specifications, main line crossing reserved pipe intervals and models, manhole connecting pipe models, integral roadbed automatic layout intervals and pipe types, separated roadbed layout intervals and pipe types, middle-zoned automatic layout intervals and pipe types, tunnel automatic layout intervals and pipe types.
Preferably, in step S1, the generating the project overall floor plan map through parsing specifically includes:
analyzing communication facility planning influence factors and setting standards;
1) The main factors influencing the communication terminal setting density are building height and density, urban space landscape requirements, user density and traffic;
2) Setting up a communication terminal setting standard, and providing a communication facility partition setting standard and a partition scene setting standard.
Preferably, the generating the project overall floor plan by parsing further includes:
communication facility planning layout:
1) In the mesoscopic planning stage and in the region with large planning volume, the space analysis of the current communication terminal is used for superposing urban and rural space planning information, the urban implementation unit is used as a boundary for carrying out communication terminal density check, and the supply and demand matching is carried out in the subarea to provide a communication terminal planning control target;
2) And in the area with smaller planning volume and high coverage rate of the current communication terminal, combining the current situation and planning topography, performing signal coverage simulation by using a communication simulation model based on a cellular network propagation model, supplementing and checking the communication terminal in the area with weak coverage, and providing a communication terminal planning control target.
Preferably, the generating the project overall floor plan by parsing further includes:
the flow density of all communication facilities in the regional map is calculated in a simulation mode, and the flow density is specifically as follows:
by the calculation formula toa=k× (T 1 ×N 1 +T 2 ×N 2 +...+T n ×N n ) Calculating a traffic density ToA in each of the communication facility areas;
the flow density is a quantization parameter representing the density of the distribution of the power communication demand, which is the average value of the information communication demand per square km, in Kbps/km 2 Metering, which represents the sum of the required communication data transmission capacity of the communication terminal in unit square, K is the business concurrency coefficient in the communication facility area, and is manually set and T is calculated n Information communication requirement value for each terminal type, N n For corresponding T n Terminal of the type in communication equipmentThe number of application areas, S, is the communication facility area.
Preferably, after flow densities of all communication facilities in the regional map are calculated through simulation, transmission degree sequencing is carried out on all communication terminal combinations reaching standards, the communication terminal combination with the highest sequencing is selected as the project overall plane layout, and a project overall plane layout diagram is generated.
Preferably, the transmission degree sorting is specifically:
calculating to obtain the corresponding relation between all communication facilities in each standard-reaching communication facility combination and communication facilities, and calculating the transmission degree of all communication facilities in each standard-reaching communication facility combination, wherein the transmission degree of each communication facility is represented by the following formula: q=toa/L; l is the distance value between the communication facility center and the communication facilities with corresponding relation, the sum of the transmission degrees of all communication facilities in each standard-reaching communication facility combination is calculated, and the transmission degrees of all standard-reaching communication facility combinations are sequenced from high to low.
Preferably, when the corresponding relation between all communication terminals in each standard-reaching communication terminal combination and communication facilities covered by the receiving communication terminals is obtained through calculation, all communication facilities covered by at least two communication terminals are obtained as communication facilities to be detected, the distance between the center point of the communication facilities to be detected and the communication terminals is calculated, and the communication terminal closest to the center point of the communication facilities to be detected is selected as the communication terminal corresponding relation of the communication facilities to be detected.
Through the three steps, after the software is automatically calculated and the optimization analysis is completed, the automatic layout of the project all-line communication pipelines is completed, the automatic layout positions of the pile numbers are optimized by the hand holes, and the statistics of the number of all-line projects is automatically completed.
Compared with the prior art, the invention has the following advantages and effects:
compared with the traditional design method, the invention can complete the layout of the highway communication pipeline by rapid and automatic operation, can intuitively display the design scheme of the highway communication pipeline, can realize the dynamic interaction of modifying the layout position of a manhole and the length of the pipeline, feeds back the design quantity in real time, outputs the engineering quantity in real time, supports the output XML storage data to exchange data with a BIM related platform, and effectively improves the design efficiency of the communication pipeline in the highway industry.
Drawings
FIG. 1 is a block diagram of an AutoCAD platform-based highway traffic engineering communication facility integrated automation and standardization design method;
FIG. 2 is a diagram of a database of design rule templates in an embodiment of the invention;
FIG. 3 is a system interface diagram of step S1 in an embodiment of the present invention;
FIG. 4 is a system interface diagram after step S2 is performed in an embodiment of the present invention;
FIG. 5 is a system interface diagram after step S3 is performed in an embodiment of the present invention;
FIG. 6 is a diagram of an xml file data format in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
1-6, an AutoCAD platform-based highway traffic engineering communication facility integrated automation and standardization design method; the method mainly comprises the following steps in the process of realizing the design of the expressway communication pipeline and outputting engineering quantity:
s1, importing key information such as a highway main line, a bridge and a tunnel route design line including information such as a flat curve and a corner line, starting and ending pile number information and the like based on related road design data, wherein the key pile number information comprises a main line starting and ending point, turning radius information, an integral roadbed section, a separated roadbed section, a bridge starting and ending point (comprising whether the bridge is integral or not, a tunnel starting and ending point pile number (comprising a tunnel form), a crosswalk in a tunnel, a crosswalk in a vehicle, and the like, a tunnel connecting channel and an intercommunication section structure pile number, generating an project overall plane layout map by analyzing the data, and internally converting each imported structure information into XML universal exchange file format data to store the XML universal exchange file format data by the method;
the generating the project overall floor plan through parsing further comprises:
communication facility planning layout:
1) In the mesoscopic planning stage and in the region with large planning volume, the space analysis of the current communication terminal is used for superposing urban and rural space planning information, the urban implementation unit is used as a boundary for carrying out communication terminal density check, and the supply and demand matching is carried out in the subarea to provide a communication terminal planning control target;
2) In the area with smaller planning volume and high coverage rate of the current communication terminal, combining the current situation and planning topography, performing signal coverage simulation by using a communication simulation model based on a cellular network propagation model, supplementing and checking the communication terminal in the area with weak coverage, and providing a communication terminal planning control target;
further, the generating the project overall floor plan through parsing further includes:
communication facility planning layout:
1) In the mesoscopic planning stage and in the region with large planning volume (according to field design, the design can be designed by one of ordinary skill in the art), the communication terminal planning control target is proposed by superposing urban and rural space planning information through spatial analysis of the current communication terminal, carrying out communication terminal density check by taking an urban implementation unit as a boundary and carrying out supply and demand matching in a subarea;
2) In the field design with smaller planning volume (according to step 1), a person of ordinary skill in the art can design a region with a smaller range on the basis of step 1) and a current situation communication terminal coverage rate, and a communication terminal planning control target is provided by combining the current situation and a planning topography, performing signal coverage simulation by using a communication simulation model based on a cellular network propagation model, supplementing and checking a communication terminal in a region with weak coverage;
it is worth to say that the generating the project overall floor plan by parsing further includes:
the flow density of all communication facilities in the regional map is calculated in a simulation mode, and the flow density is specifically as follows:
by the calculation formula toa=k× (T 1 ×N 1 +T 2 ×N 2 +...+T n ×N n ) Calculating a traffic density ToA in each of the communication facility areas; the flow density is a quantization parameter representing the density of the distribution of the power communication demand, which is the average value of the information communication demand per square km, in Kbps/km 2 Metering, which represents the sum of the required communication data transmission capacity of the communication terminal in unit square, K is the business concurrency coefficient in the communication facility area, and is manually set and T is calculated n Information communication requirement value for each terminal type, N n For corresponding T n The number of the types of terminals in the communication facility area, S is the communication facility area;
after flow densities of all communication facilities in the regional map are calculated in a simulation mode, ranking the transmission degrees of all standard-reaching communication terminal combinations, selecting the communication terminal combination with the highest ranking as the project overall plane layout, and generating a project overall plane layout map, wherein the ranking of the transmission degrees is specifically as follows:
calculating to obtain the corresponding relation between all communication facilities in each standard-reaching communication facility combination and communication facilities, and calculating the transmission degree of all communication facilities in each standard-reaching communication facility combination, wherein the transmission degree of each communication facility is represented by the following formula: q=toa/L; l is a distance value between a communication facility center and communication facilities with corresponding relations, the sum of the transmission degrees of all communication facilities in each standard-reaching communication facility combination is calculated, and when the transmission degrees of all standard-reaching communication facility combinations are calculated in a sequencing way from high to low to obtain the corresponding relations between all communication terminals in each standard-reaching communication terminal combination and the communication facilities covered by the receiving communication terminals, all the communication facilities covered by at least two communication terminals are obtained as communication facilities to be detected, the distance between a communication facility center point to be detected and the communication terminals is calculated, and the communication terminal nearest to the communication facility center point to be detected is selected as the communication terminal with the corresponding relation of the communication facilities to be detected;
s2, reading communication pipeline design data, wherein the communication pipeline design parameters comprise pipeline positions and pipeline drawing parameters through perfect custom, such as:
inspection well layout size and spacing (inspection well sub-manhole, hand hole, manhole is round size)
The hand hole is of rectangular size 6*4; a distance of not more than 1 km),
Pipe box spacing (integral bridge extension center line layout, separated bridge extension bridge outer roadbed side line outside offset 3 m), bridge tunnel manhole spacing (distance bridge head, tunnel portal 10 m) and model (common), communication pipeline specification, main line crossing reserved pipe spacing (communication pipeline specification is main line 12 holes and can be freely adjusted according to project conditions; main line crossing reserved pipe spacing 1 km) and model (communication pipeline)
Silicon core tube or cluster tube; main line crossing reservation pipe->
Galvanized steel pipe or steel-plastic composite pipe), manhole connecting pipe model (++>
Galvanized steel pipe or steel-plastic composite pipe), integral roadbed automatic arrangement interval (arranged along a road center line or a center-split belt center line), pipe type (silicon core pipe or bundling pipe), separated roadbed arrangement interval (outwards offset by 3m along a road base edge line), pipe type (silicon core pipe or bundling pipe), center-split belt automatic arrangement interval (extended center)Belting center line layout) and tubular (+.>
Galvanized steel pipe or steel-plastic composite pipe), tunnel automation arrangement interval (outwards offset by 3m along tunnel side line) and pipe type (silicon core pipe or bundling pipe);
and S3, after the design data is imported, automatically drawing a general plane layout diagram of the communication pipeline, and drawing all-line manhole, hand hole, pipeline model and road passing pipe design information.
Through the three steps, after the software is automatically calculated and the optimization analysis is completed, the automatic layout of the project all-line communication pipelines is completed, the automatic layout positions of the pile numbers are optimized by the hand holes, and the statistics of the number of all-line projects is automatically completed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. An automatic CAD platform-based highway traffic engineering communication facility integrated automation and standardization design method is characterized in that: the method comprises the following steps:
s1, generating a project overall plane layout diagram through analysis based on related road design data, and internally converting each imported structure information into XML universal exchange file format data through the method for storage;
s2, reading design data of the communication pipeline, and automatically distributing intervals and tube types according to the data;
and S3, after the design data is imported, automatically drawing a general plane layout diagram of the communication pipeline, and drawing all-line manhole, hand hole, pipeline model and road passing pipe design information.
2. The automated and standardized design method for highway traffic engineering communication facilities based on an AutoCAD platform according to claim 1, wherein: the design data in the step (S1) includes:
the highway main line, the bridge and the tunnel route design line comprise a flat curve, corner line information and starting and ending pile number information, wherein the pile number information comprises a main line starting and ending point, turning radius information, an integral roadbed section, a separated roadbed section, a bridge starting and ending point, a tunnel starting and ending point pile number, a pedestrian crossing hole, a vehicle crossing hole, a tunnel connecting channel and an intercommunication section structure pile number in a tunnel.
3. The automated and standardized design method for highway traffic engineering communication facilities based on an AutoCAD platform according to claim 1, wherein: in the step (S2), the design data of the communication pipeline is read as follows:
the design parameters of the communication pipeline comprise pipeline positions, pipeline drawing, inspection well layout sizes and intervals, pipe box intervals, bridge tunnel manhole intervals and types, communication pipeline specifications, main line crossing reserved pipe intervals and types, manhole connecting pipe types, integral roadbed automatic layout intervals and pipe types, separated roadbed layout intervals and pipe types, middle-zoned automatic layout intervals and pipe types, and tunnel automatic layout intervals and pipe types.
4. The automated and standardized design method for highway traffic engineering communication facilities based on an AutoCAD platform according to claim 1, wherein: in the step (S1), the analysis and generation of the project overall plane layout map specifically comprises the following steps:
analyzing communication facility planning influence factors and setting standards;
1) The layout of the communication terminal influences the analysis of factors, and the factors influencing the setting density of the communication terminal are building height and density, urban space landscape requirements, user density and traffic;
2) Setting up a communication terminal setting standard, and providing a communication facility partition setting standard and a partition scene setting standard.
5. The automated and standardized design method for highway traffic engineering communication facilities based on the AutoCAD platform according to claim 4, wherein: the generating the project overall floor plan through parsing further comprises:
communication facility planning layout:
1) In the mesoscopic planning stage and in the region with large planning volume, the space analysis of the current communication terminal is used for superposing urban and rural space planning information, the urban implementation unit is used as a boundary for carrying out communication terminal density check, and the supply and demand matching is carried out in the subarea to provide a communication terminal planning control target;
2) And in the area with high coverage rate of the planning volume and the current communication terminal, combining the current situation with the planning topography, performing signal coverage simulation by using a communication simulation model based on a cellular network propagation model, supplementing and checking the communication terminal in the area with weak coverage, and providing a communication terminal planning control target.
6. The automated and standardized design method for highway traffic engineering communication facilities based on the AutoCAD platform according to claim 4, wherein: the generating the project overall floor plan through parsing further comprises:
the flow density of all communication facilities in the regional map is calculated in a simulation mode, and the flow density is specifically as follows:
by the calculation formula toa=k× (T 1 ×N 1 +T 2 ×N 2 +...+T n ×N n ) Calculating a traffic density ToA in each of the communication facility areas;
the flow density is a quantization parameter representing the density of the distribution of power communication demands, which is the average value of information communication demands per square km, in Kbps/km 2 Metering, which represents the sum of the required communication data transmission capacity of the communication terminal in unit square, K is the business concurrency coefficient in the communication facility area, and is manually set and T is calculated n Information communication requirement value for each terminal type, N n For corresponding T n The number of types of terminals in the communication facility area, S, is the communication facility area.
7. The automated and standardized design method for highway traffic engineering communication facilities based on the AutoCAD platform according to claim 6, wherein: and after the flow densities of all communication facilities in the regional map are calculated through simulation, the transmission degree ordering is carried out on the communication terminal combinations meeting the standards, the ordered communication terminal combinations are selected as project overall plane layout, and a project overall plane layout diagram is generated.
8. The automated and standardized design method for highway traffic engineering communication facilities based on the AutoCAD platform according to claim 7, wherein: the transmission degree ordering is specifically as follows:
calculating to obtain the corresponding relation between all communication facilities in each standard-reaching communication facility combination and communication facilities, and calculating the transmission degree of all communication facilities in each standard-reaching communication facility combination, wherein the transmission degree of each communication facility is represented by the following formula: q=toa/L; l is the distance value between the communication facility center and the communication facilities with corresponding relation, the sum of the transmission degrees of all communication facilities in each standard-reaching communication facility combination is calculated, and the transmission degrees of all standard-reaching communication facility combinations are sequenced from high to low.
9. The automated and standardized design method for highway traffic engineering communication facilities based on the AutoCAD platform according to claim 7, wherein: when the corresponding relation between all communication terminals in each standard-reaching communication terminal combination and communication facilities covered by receiving communication terminals is obtained through analog calculation, all communication facilities covered by at least two communication terminals are obtained to be communication facilities to be detected, the distance between the center point of the communication facilities to be detected and the communication terminals is calculated, and the communication terminal closest to the center point of the communication facilities to be detected is selected to be the communication terminal corresponding relation of the communication facilities to be detected.
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