CN115081070B - Digital design system for bridge superstructure standard chart - Google Patents
Digital design system for bridge superstructure standard chart Download PDFInfo
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- CN115081070B CN115081070B CN202210726033.9A CN202210726033A CN115081070B CN 115081070 B CN115081070 B CN 115081070B CN 202210726033 A CN202210726033 A CN 202210726033A CN 115081070 B CN115081070 B CN 115081070B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/12—Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/20—Configuration CAD, e.g. designing by assembling or positioning modules selected from libraries of predesigned modules
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses a digital design system of a bridge upper structure standard diagram, which is created by a computer programming technology and can realize the functions of parameterized drawing and one-key drawing of the bridge upper structure standard diagram, wherein the system mainly comprises four databases and four functional modules: the system comprises a primitive database, a parameter database, an engineering quantity database, a drawing information database, a parameter drawing module, an intelligent calculation module, an intelligent drawing module and a platform management module. The realization method is that the standard diagram of the bridge upper structure is split into a standard part and a nonstandard part, the system finishes drawing of the standard diagram by automatically drawing and calling the primitive group diagram, the whole operation process is separated from a CAD environment, the operation is stable and quick, the drawing time of the standard diagram of the bridge upper structure is greatly shortened, the production efficiency is improved, the drawing difficulty is reduced, the digitalization of the standard diagram of the bridge upper structure is realized, and the secondary development and the utilization are convenient.
Description
Technical Field
The invention relates to the technical field of bridge upper structure design and computers, in particular to a digital design system for a bridge upper structure standard diagram.
Background
With the rapid development of traffic construction industry in China in recent years, highway bridge engineering is also greatly developed as an important traffic facility component. The bridge design is an important link in the bridge construction process and is also a primary link, and the working characteristics of the bridge are that: 1) The design period is short; 2) The design workload is large; 3) Many design efforts have some repeatability. At present, a bridge structure drawing design drawing is basically drawn by adopting computer drawing software, and most commonly used software such as AUTO CAD (AUTO computer aided design) requires a designer to manually operate the drawing, so that the workload is high, the repeatability is high, the labor is more and more, the subjective influence of the designer is great, the drawing standardization is difficult to ensure, and the requirements of the current high-speed development society are obviously not met. The traditional drawing mode of the bridge structure has the following defects:
1) The bridge structure design drawings, particularly the drawings of different span angles of the bridge upper structure standard drawings, have a plurality of commonalities, and the inherent geometric and logic relations exist among the design parameters of the same set of drawings, so that the traditional drawing software has huge drawing workload, a great number of repeated works exist, the logic relations among the design parameters need to be noticed by designers at any time, and the problems of errors or front-back non-correspondence easily occur in manual retrieval; when the drawings are required to be modified in the later period, a parameter is often required to be manually retrieved, otherwise, the phenomenon of little modification and missing modification is extremely easy to occur, and the production efficiency is low;
2) For the engineering quantity of the bridge superstructure, the traditional drawing mode requires a designer to sort and list structural components according to a design drawing, manually measure and summarize the structural components, and the process has a large number of repeated works, and the problems of fewer items, leaking items, misplacement items and the like are easy to occur;
3) The traditional drawing mode also requires a large amount of workload in the drawing link, a designer needs to print one by one, only drawing projects with a large drawing amount takes one day, and even if some batch printed plug-ins exist on the market, the drawing efficiency can be greatly improved, and manual searching errors are still needed, and drawing conditions are set;
4) Drawing drawn by the traditional drawing mode is often used for a single project, and the primitive information and engineering quantity information in the drawing are difficult to retrieve, so that secondary development and utilization cannot be performed, and the utilization rate of the drawing is low;
5) In order to achieve the universality of the traditional bridge superstructure standard diagram, a lot of design information is represented by parameters on drawings, such as length, angle, width and the like, and the length and the number of the large reinforcing steel bar samples are represented by formulas containing parameters instead of specific numerical values, so that the difficulty is increased for site constructors to carry out reinforcing steel bar lofting, construction paying-off, structure formwork supporting and the like, the constructors are required to carry out construction by self-assignment on-site calculation of the parameters, the construction efficiency is reduced to a certain extent, and the error risk is increased.
Disclosure of Invention
In order to solve the problems, the invention provides a digital design system for a bridge superstructure standard chart.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
a digital design system of a bridge superstructure standard chart mainly comprises four databases and four functional modules: the system comprises a primitive database, a parameter database, an engineering quantity database, a drawing information database, a parameter drawing module, an intelligent calculation module, an intelligent drawing module and a platform management module;
step 1, inputting user parameters, wherein the user inputs bridge width, angle, span combination, frame number, drawing number initial number, uploading drawing frame and selecting in a system operation interface, and the system stores the user parameters in a parameter database;
step 3, calling standard part primitives, calling corresponding primitives in a primitive database by a parameter drawing module according to user parameters and design parameters, calling coordinates and geometric information of the primitives in a drawing information database, and drawing standard parts of the drawing;
step 4, drawing a non-standard part, and drawing the non-standard part and forming a picture by a parameter drawing module according to user parameters and design parameters;
step 5, automatically calculating the engineering quantity, and according to the user parameters and the design parameters, calculating the standard part quantity, the nonstandard part quantity, the span quantity and the engineering total quantity by an intelligent calculating module, storing the standard part quantity, the nonstandard part quantity, the span quantity and the engineering total quantity in an engineering quantity database, and finally calling the data in the engineering quantity database to draw an engineering quantity table;
step 6, embedding a picture frame and picture frame information, wherein the intelligent picture frame is inserted into a DXF file in a Block object mode by the picture frame module according to the picture frame and picture frame information uploaded by a user to form a drawing in a complete DXF format, and the system automatically adds page numbers and signature information during insertion;
step 7, drawing format conversion, wherein the intelligent drawing module converts the DXF format drawing into a PDF format file through a format conversion tool;
step 8, drawing preview and downloading, wherein the platform management module realizes that a user previews drawings on a webpage through a one-key drawing function, and further realizes downloading PDF complete drawings, PDF paging drawings, dxf drawings and an engineering total Excel list according to different user rights;
and 9, managing the graph records, wherein the platform management module can delete and export the graph records.
The invention further discloses the following technology:
preferably, the primitive database is used for storing primitives composed of standard parts in the standard diagram of the bridge superstructure, and the standard parts refer to single-chip prefabricated Liang Suoshe and diagrams which do not change along with the total width change of the bridge in the bridge superstructure.
Preferably, the parameter database comprises user parameters and design parameters, wherein the user parameters are design information of the bridge superstructure, which is input by a user, of a system operation interface, and the design information comprises, but is not limited to, bridge spans, bridge angles, bridge widths, bridge span information and bridge width numbers; the design parameters consist of primary design parameters and secondary design parameters, wherein the primary design parameters are the number of beam sheets and the wet joint width calculated according to the user parameters, and the secondary design parameters are necessary parameters for drawing a structural diagram, such as the structural size and the number of reinforcing steel bars, calculated according to the user parameters.
Preferably, the engineering quantity database comprises a standard part quantity, a nonstandard part quantity, a span quantity and an engineering total quantity; the standard part number comprises, but is not limited to, the precast beam concrete number, the precast beam steel bar number, the precast beam steel beam number and the matched number, and the necessary construction number of the precast beam; the nonstandard part refers to a graph of the bridge superstructure, which changes along with the bridge width, and the number of the nonstandard parts comprises, but is not limited to, the number of wet joint concrete, the number of wet joint reinforcing steel bars, the number of beam concrete and the number of beam reinforcing steel bars, and is calculated according to design parameters; the number of spans comprises, but is not limited to, bridge fractional connection number, bridge aperture number and bridge frame number, and is a multiple relation in an engineering quantity database; the total number of projects is the total number obtained by multiplying the sum of the standard part number and the nonstandard part number by the span number.
Preferably, the drawing information database is used for storing the coordinates and geometric information of the graphic elements, so that the graphic elements are convenient for program calling and assembly.
Preferably, the parameter drawing module is a program module developed based on C# language, is a drawing program which is separated from CAD environment in the whole process and directly compiles DXF file format, and comprises user parameter input, design parameter calculation, standard part primitive calling, nonstandard part drawing and group drawing.
Preferably, the intelligent calculation module comprises the steps of calling standard part engineering quantity, calculating variable part engineering quantity, classifying and summarizing, and drawing an engineering quantity table.
Preferably, the intelligent drawing module comprises, but is not limited to, frame uploading and embedding, cover design, drawing format conversion and drawing encryption.
Preferably, the platform management module adopts a B/S mode, and opens parameterized drawing capability in the form of software and services (SASS) through the Internet, including but not limited to one-touch drawing, downloading, deletion and opinion feedback.
The beneficial effects are that:
the invention provides a digital design system of a bridge upper structure standard diagram, which can realize 1) parameter drawing and one-key drawing of the bridge upper structure standard diagram, wherein the automatic drawing can be realized by inputting a small number of user parameters on a system interface, and the one-key drawing function only needs one minute in the whole process; 2) The system operates in a mode of combining calling fixed graphic elements and automatically drawing variable part pixels by a program, so that the input quantity of user parameters is reduced, the drawing quantity of a drawing program is reduced, and the running speed of the system program is accelerated; 3) The drawing parameters are modified in a linkage way, manual drawing modification is not needed, and the system automatically modifies the whole set of drawing; 4) Automatically calculating the engineering quantity, automatically classifying, metering, merging and summarizing the engineering quantity by the system according to the user parameters and the automatically calculated design parameters, and drawing an engineering scale; 5) The system is internally provided with a primitive database, a parameter database, an engineering quantity database and a drawing information database, so that the system is convenient to search, can also be subjected to secondary development and utilization, and realizes drawing information digitization; 6) The standard drawing of the bridge superstructure is parameterized, the size and the number on the drawing are specific values, the bridge superstructure is convenient for constructors to use, and the efficiency of the constructors is improved; 7) The encryption protection of the intellectual property is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a flow chart of a digital design system method for a bridge superstructure standard chart.
FIG. 2 is a diagram of a database of a standard chart digital design system;
FIG. 3 is a schematic diagram of functional modules of a digital design system of a standard chart;
FIG. 4 is a logic diagram of a parameter mapping module;
the numbers in the figures are: 1-standard diagram digital design system database, 11-primitive database, 12-parameter database, 13-engineering quantity database, 14-drawing information database, 111-primitive, 121-user parameter, 122-design parameter, 131-standard part quantity, 132-nonstandard part quantity, 133-span quantity, 134-engineering total quantity, 141-position coordinate information, 142-primitive geometric information, 1221-primary design parameter, 1222-secondary design parameter, 1311-precast beam concrete quantity, 1312-precast beam steel bar quantity, 1313-precast beam steel beam and matched quantity, 1314-precast Liang Biyao early quantity, 1321-wet joint concrete quantity, 1322-wet joint steel bar quantity, 1323-beam concrete quantity, 1324-beam steel bar quantity, 1331-bridge coupling quantity, 1332-bridge aperture quantity, 1333-bridge frame quantity;
2-standard diagram digital design system function module, 21-parameter drawing module, 22-intelligent calculation module, 23-intelligent drawing module, 24-platform management module, 211-user parameter input, 212-design parameter calculation, 213-standard part primitive calling, 214-drawing standard part, 215-group diagram, 221-standard part engineering amount calling, 222-non-standard part engineering amount calculating, 223-classification and summarization, 224-drawing engineering amount table, 231-frame uploading and embedding, 232-cover design, 233-drawing format conversion, 234-drawing encryption, 241-one-key drawing, 242-downloading, 243-deletion, 244-opinion feedback;
31-standard part, 32-nonstandard part, 33-bridge superstructure standard chart;
41-user parameter input, 42-design parameter calculation, 421-calculation of beam number, 522-calculation of wet joint width, 43-call of primitive group graph, 44-automatic drawing, 45-automatic calculation of engineering quantity, 46-embedding of frame and frame information, 47-drawing format conversion, 48-drawing downloading and 49-drawing record management.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. 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.
As shown in fig. 2 and 3, the digital design system of the bridge superstructure standard chart mainly comprises four databases and four functional modules, namely a primitive database 31, a parameter database 32, an engineering quantity database 33, a drawing information database 34, a drawing parameter module 21, an intelligent accounting module 22, an intelligent drawing module 23 and a platform management module 24.
As shown in fig. 2, the primitive database 11 is used for storing primitives 111 of the standard part of the bridge superstructure standard diagram, the primitives 111 are files drawn by drawing software and stored in DXF format, and the file names contain information such as structure types, spans, angles, primitive numbers and the like;
the parameter database 32 includes user parameters 321 and design parameters 322, where the user parameters 321 are design information of the upper structure of the bridge input by the user through the system operation interface, including but not limited to bridge span, bridge angle, bridge width, bridge span information, and bridge width, the design parameters 322 are divided into primary design parameters 1221 and secondary design parameters 1222, the primary design parameters 1221 are the number of beam pieces and wet seam width calculated according to the user parameters, and the secondary design parameters 1222 are necessary parameters for drawing the structure diagram, such as structural size, number of reinforcing steel bars, and the like calculated according to the user parameters;
the engineering quantity database 13 includes a standard part quantity 131, a nonstandard part quantity 132, a span quantity 133, and an engineering total quantity 134; taking the reinforced concrete box-type continuous beam standard chart as an example, the standard part quantity 131 comprises, but is not limited to, a precast beam concrete quantity 1311, a precast beam steel bar quantity 1312, a precast beam steel beam and matched quantity 1313, and a precast beam necessary construction quantity 1314, which are basic quantities in a database, and the nonstandard part quantity 132 comprises, but is not limited to, a wet joint concrete quantity 1321, a wet joint steel bar quantity 1322, a beam concrete quantity 1323 and a beam steel bar quantity 1324, and is obtained by further calculating a secondary design parameter 1222 for the primary design parameter 1222 calculated according to the user parameter 121; the span number 133 includes, but is not limited to, bridge score 1331, bridge aperture score 1332, bridge frame score 1333, which are multiple relationships within the engineering quantity database 13; the total number of projects 134 is the total number obtained by multiplying the sum of the standard portion number 131 and the nonstandard portion number 132 by the span number 133;
the drawing information database 14 includes, but is not limited to, position coordinate information 141 and primitive geometry information 142; the position coordinate information 141 refers to coordinate information of a base point of a primitive in a referenced drawing, and is guide information of the parameter drawing module 21 for calling the primitive to group drawings; the primitive geometry information 142 refers to geometry information such as length, width, etc. of a graphic block composed of primitives with respect to its base point, and this information facilitates determining the drawing space occupied by the primitives, which affects the base point positions of neighboring primitives.
As shown in fig. 3 and 4, the parameter drawing module 21 is a program module developed based on the c# language, and is a drawing program which is separated from a CAD environment in the whole process and directly compiles DXF file format, the DXF file can be quickly read and written by using a netDxf library, fixed graphic elements can be inserted into the DXF file through an Insert class, the CAD software can be not installed on a server in a coding and drawing mode separated from the CAD environment, the CAD software is not required to be opened and closed during the operation of the program, the speed and efficiency of the operation of the program are greatly improved, and the parameter drawing module 21 comprises user parameter input 211, design parameter calculation 212, standard part graphic element 213 calling, non-standard part 214 modulating and drawing 215; taking the standard diagram of reinforced concrete box-type continuous beam as an example, a designer inputs user parameters 121, including bridge deck width, angle span combination, framing number, program, and the like of the reinforced concrete box-type continuous beam, then calculates the number of prefabricated beams of the whole bridge and wet seam width and other design parameters 122, in the range of the specified wet seam width, the system provides all possible schemes for the user to select, after the user selects a specific scheme, the system program calls the graphic element 213 from the graphic element database 11, the graphic element forms a standard part 31, simultaneously draws a nonstandard part 214 to form a nonstandard part 32, and the standard part 31 and the nonstandard part form a bridge upper structure standard diagram 33;
the intelligent calculation module 22 is a sub-module for calculating the consumption of each engineering material in the standard diagram of the bridge superstructure, packages the engineering quantity calculation class through C# language, calls the standard part engineering quantity 221, calculates the nonstandard part engineering quantity 222, forms a multiple relation according to the design parameters such as the number of beam sheets, the number of links, the number of spans, the number of frames and the like obtained in the parameter drawing module, realizes the classification and summarization 223 of the quantity of each material in the drawing, and draws the engineering quantity table 224;
the intelligent drawing module 23 includes, but is not limited to, frame upload and embed 231, cover design 232, drawing format conversion 233, drawing encryption 234; the drawing frame comprises information such as a design unit, a designer, an auditor, a drawing name, a drawing page number and the like of the standard drawing application project; the cover design comprises information such as standard diagram structure type, span information, angle information, width information, drawing name, design unit name, drawing time and the like; the drawing format is converted into a PDF file by a DXF file generated by a parameter drawing module; encryption information such as watermarking, signing, two-dimensional code and the like of the drawing is realized by encrypting the drawing.
As shown in fig. 1, taking a certain reinforced concrete box-type continuous beam standard diagram as an example, the digital design method of the bridge superstructure standard diagram comprises the following steps:
step 1, inputting 41 user parameters, wherein the user inputs bridge width=16.5m, angle=0 degree, span combination=6x30m, frame number=1, drawing number initial number=1 on the system operation interface, uploading the drawing frames and selecting, and the system stores the user parameters into the parameter database 12;
step 3, calling the standard part graphic element 43, calling the corresponding graphic element 111 in the graphic element database 11 by the parameter drawing module 21 according to the user parameter 121 and the design parameter 122, calling the coordinate and the geometric information of the graphic element in the drawing information database, and drawing the standard part 31 of the drawing;
step 4, drawing the nonstandard part 44, and according to the user parameters 121 and the design parameters 122, the parameter drawing module 21 draws the nonstandard part 214 and performs the group diagram 215;
step 5, automatically calculating the engineering quantity 45, and according to the user parameters 121 and the design parameters 122, calculating the standard part quantity 131, the nonstandard part quantity 132, the span quantity 133 and the engineering total quantity 34 by the intelligent calculating module 21, storing the standard part quantity, the nonstandard part quantity 132, the span quantity 133 and the engineering total quantity 34 in the engineering quantity database 13, and finally calling the data in the engineering quantity database 13 to draw the engineering quantity table;
step 6, embedding the picture frame and picture frame information 46, wherein the intelligent picture module 23 inserts the picture frame into the DXF file in the form of a Block object according to the picture frame and picture frame information uploaded by a user to form a drawing in a complete DXF format, and the system can automatically add information such as page numbers, signatures and the like during insertion;
step 7, drawing format conversion 47, wherein the intelligent drawing module 23 converts the DXF format drawing into a PDF format file through a format conversion tool;
step 8, drawing preview and downloading 48, wherein the platform management module 24 can realize that a user previews drawings on a webpage through a one-key drawing 241 function, and further realize downloading PDF complete drawings, PDF paging drawings, dxf drawings, an engineering total Excel list and the like according to different user authorities;
step 9, graph record management 49, platform management module 24 may implement deletion and export of graph records.
Claims (6)
1. A digital design system of a bridge superstructure standard chart is characterized by comprising four databases and four functional modules: the system comprises a primitive database, a parameter database, an engineering quantity database, a drawing information database, a parameter drawing module, an intelligent calculation module, an intelligent drawing module and a platform management module; the system is used for realizing the following method steps:
step 1, inputting user parameters, wherein the user inputs bridge width, angle, span combination, frame number, drawing number initial number, uploading drawing frame and selecting in a system operation interface, and the system stores the user parameters in a parameter database;
step 2, calculating design parameters, calculating the design parameters by a parameter drawing module, and storing the design parameters into a parameter database:
step 3, calling standard part primitives, calling corresponding primitives in a primitive database by a parameter drawing module according to user parameters and design parameters, calling coordinates and geometric information of the primitives in a drawing information database, and drawing standard parts of the drawing;
step 4, drawing a non-standard part, and drawing the non-standard part and forming a picture by a parameter drawing module according to user parameters and design parameters;
the parameter drawing module is a program module developed based on C# language, is a drawing program which is separated from CAD environment in the whole process and directly compiles DXF file format, and comprises user parameter input, design parameter calculation, standard part primitive calling, nonstandard part drawing and graph assembling;
step 5, automatically calculating the engineering quantity, and according to the user parameters and the design parameters, calculating the standard part quantity, the nonstandard part quantity, the span quantity and the engineering total quantity by an intelligent calculating module, storing the standard part quantity, the nonstandard part quantity, the span quantity and the engineering total quantity in an engineering quantity database, and finally calling the data in the engineering quantity database to draw an engineering quantity table; the intelligent calculation module comprises the steps of calling standard partial engineering quantity, calculating variable partial engineering quantity, classifying and summarizing, and drawing an engineering quantity table;
step 6, embedding a picture frame and picture frame information, wherein the intelligent picture frame is inserted into a DXF file in a Block object mode by the picture frame module according to the picture frame and picture frame information uploaded by a user to form a drawing in a complete DXF format, and the system automatically adds page numbers and signature information during insertion;
step 7, drawing format conversion, wherein the intelligent drawing module converts the DXF format drawing into a PDF format file through a format conversion tool;
step 8, drawing preview and downloading, wherein the platform management module realizes that a user previews drawings on a webpage through a one-key drawing function, and downloads PDF complete drawings, PDF paging drawings, dxf drawings and an engineering total Excel table according to different user rights;
step 9, managing the graph records, and deleting and exporting the graph records by a platform management module;
the platform management module adopts a B/S mode, and opens parameterized drawing capability in the form of software and service through the Internet, including one-key drawing, downloading, deleting and opinion feedback.
2. The digitized design system of bridge superstructure standard drawings of claim 1 wherein the primitive database is used to store primitives composed of standard parts in bridge superstructure standard drawings, standard parts being drawings of single-piece preforms Liang Suoshe and in bridge superstructure which do not vary with the total width of the bridge.
3. The digital design system of the bridge superstructure standard chart according to claim 1, wherein the parameter database comprises user parameters and design parameters, and the user parameters are design information of the bridge superstructure input by a user for a system operation interface, and comprise bridge span, bridge angle, bridge width, bridge span information and bridge width number; the design parameters consist of primary design parameters and secondary design parameters, wherein the primary design parameters are the number of beam pieces and the wet joint width calculated according to user parameters, and the secondary design parameters are parameters used for drawing a structural diagram and calculated according to the user parameters.
4. The digital design system of the bridge superstructure standard chart of claim 1, wherein the engineering quantity database comprises a standard part number, a nonstandard part number, a span number and an engineering total number; the standard part number comprises the number of precast beam concrete, the number of precast beam steel bars, the number of precast beam steel bundles and the number of matched precast beam structures; the nonstandard part is a graph which changes along with the change of the bridge width in the bridge upper structure, and the number of the nonstandard part comprises the number of wet joint concrete, the number of wet joint reinforcing steel bars, the number of beam concrete and the number of beam reinforcing steel bars, and is calculated according to design parameters; the number of spans comprises bridge fractional connection number, bridge aperture number and bridge frame number, which are multiple relations in an engineering quantity database; the total number of projects is the total number obtained by multiplying the sum of the standard part number and the nonstandard part number by the span number.
5. The bridge superstructure standard chart digitized design system of claim 1 wherein a drawing information database is used to store coordinates and geometry information for primitives to facilitate program calls and assembly of primitives.
6. The digital design system of the bridge superstructure standard chart according to claim 1, wherein the intelligent chart module comprises chart frame uploading and embedding, cover design, chart format conversion and chart encryption.
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