CN111444681A - Data decomposition transmission method based on BIM (building information modeling) - Google Patents
Data decomposition transmission method based on BIM (building information modeling) Download PDFInfo
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Abstract
The invention provides a data decomposition transmission method based on a BIM (building information modeling) model, which comprises the following steps of: step 1, at a server end, decomposing and coding an engineering project according to a BIM (building information modeling); step 2, the client sends an engineering data transmission request to the server; step 3, the service receives the data transmission request sent by the client and analyzes the transmission request; step 4, data transmission is carried out according to the transmission request, and the required engineering BIM model file is selected and coded and then transmitted to the client; step 5, the client receives the BIM model file sent by the server and decodes the BIM model file; and 6, the client displays data according to the decoded file.
Description
Technical Field
The invention belongs to the field of traffic construction engineering, and particularly relates to a data decomposition transmission method based on a BIM (building information modeling).
Background
In order to complete projects with high standards in required construction periods, owners, investigation design, supervision and construction parties all need to scientifically manage the projects and control progress risks, but at present, an effective communication mode is lacking among the participating parties of the highway engineering projects because construction management of the engineering projects adopts two-dimensional drawings and paper documents. In the construction process, due to the imperfect early-stage design or the unsmooth information communication, the problems of repeated construction, rework and repair, resource waste and the like often occur. Due to the lack of effective information technology means, the dispersion of industrial structures in the traffic industry, the unique diversity of engineering objects, the huge complexity of engineering information and the like, information separation management is performed at each stage of highway engineering project decision, design, construction and operation, the information transmission is mainly performed by paper media, the information synergy is poor, the information meaning is not clear, and the information utilization value is low. Under the overall strategy of building modernization, industrialization and informatization integration, informatization is taken as one of effective ways for improving the efficiency and the profit of the traffic industry, and the informatization level needs to be improved urgently. In the face of such heavy traffic construction tasks, the traditional construction management modes and means can obviously not meet the requirements, and the difficulty of construction management is increased due to the influence of numerous human factors and natural factors. How scientific arrangement project construction progress plan, reasonable allocation fund and assurance project construction quality in time master progress, expense and quality information in the construction, accomplish project progress, expense and quality and overall consideration, proper arrangement is a key problem that every traffic construction administrative unit urgently waited to solve. Meanwhile, the traffic construction project management involves many stakeholders, each service system is relatively independent, and data can not be mutually verified, so that the problems of split management process, information isolated island, complex interface and the like occur; information resources cannot be shared, repeated construction is multiple, top-level design and unified information standards are lacked among different projects, transverse connection is not available, data cannot be integrated, and data analysis and decision basis cannot be provided for a decision layer.
Aiming at the problems of information separation management of traditional traffic construction projects in each stage of decision, design, construction, operation and the like and isolated services such as quality, progress, cost and the like in the project construction process, on the basis of a large amount of research, research and development, key services such as traffic construction management investment, quality, progress, safety and the like are integrated on a unified BIM platform for cooperative management, information interconnection and intercommunication among services are realized, the isolated condition of past information is changed, and the informatization management level is improved. In addition, in the existing engineering, the BIM model has large data volume and inconvenient transmission, and the communication efficiency of a construction party and a design party is influenced.
Disclosure of Invention
In order to solve the above problems, the present invention provides a data decomposition transmission method based on a BIM model, which includes the following steps:
step 5, the client receives the BIM model file sent by the server and decodes the BIM model file;
and 6, the client displays data according to the decoded file.
Further, in the step 1, at the server side, the engineering project is decomposed and coded according to the BIM model, specifically, the engineering project is decomposed and coded according to the BIM decomposition coding method;
the BIM model of the engineering project is based on the unit, subsection and project division of each basic component, and the engineering decomposition coding is used for coding the unit, subsection, project division and basic components thereof; according to the engineering decomposition code, defining the logical relations of units, branches, project items and each basic component in the BIM model to form an engineering tree of an engineering entity model.
Further, (1) a unified BIM coding system of unit, subsection and project division engineering is established on the basis of EBS, and is used as a unified 'information exchange specification' of project management, so that a BIM cooperation platform for information exchange is provided for each participant;
(2) and establishing a related database based on a BIM coding system, unifying a working platform of project management information, and finally realizing that all information runs on a unified BIM cooperative platform.
(3) In the completion document management, according to the regulation of the transportation department and the actual condition of the project, a project completion document directory is established, and completion data are automatically generated along with the progress of the project;
(4) management data at all levels are integrated on the BIM model, so that the collection and arrangement conditions of completion files of each unit can be checked in real time, problems can be found and solved in time, and the completion conditions of the internal work data of the unit can be mastered in real time.
Further, the BIM code classification and code for traffic construction engineering is composed of the following parts:
(1) class code: codes representing engineering or expense categories, represented by an english letter (case-insensitive);
(2) and (3) class coding: the category code is added with a number name category code to represent the sequence of the engineering or expense category;
(3) engineering tree: a tree structure formed by decomposing engineering or expense content from whole to local, from coarse to fine and step by step is called an engineering tree;
(4) engineering node: data elements in the engineering tree are called engineering nodes; the last node of one engineering node is called a father node of the engineering node, the next node is called a child node of the engineering node, all the nodes except the initial root node have unique father nodes, and the father and child nodes represent subordination relations;
(5) engineering properties: the method is characterized in that specific names, characteristics, design parameters and the like of engineering nodes are referred, also called node attributes, the requirements of multi-service management are comprehensively considered, an engineering entity structure decomposition code consists of an engineering region code and an engineering entity structure code, and the construction is carried out by adopting a parent code and child code method;
(5.1) the engineering attribute codes are 14 bits in total and consist of 6-level codes of national province numbers, construction projects, road grades, project construction properties, primary engineering areas and secondary engineering areas;
and (5.2) the engineering entity coding is based on unit, subsection and project division, has 18 bits in total and consists of 4-level codes of professional engineering types, units, subsections and project division.
Furthermore, the code adopts a mark number plus engineering code form.
Further, in the step 2, the client sends an engineering data transmission request to the server;
at a client, when the BIM model data needs to be acquired, sending an engineering data transmission request to a server, and generating a request message according to the following format if the client needs to display the attribute data of a certain section of road in the traffic engineering:
request format file header + project name + BIM model father node name + child node code + child node number + check + file tail flag;
the project name, the BIM model father node name and the child node code are required to be selected or extracted from the BIM model tree, and one or more father node names are required; when the client sends a message for the first time, the father node name enables all father nodes and the number of child nodes to be automatically generated values, and finally, the message information is generated according to a message request generation module of the client and sent to the server.
Further, in the step 3, the service receives a data transmission request sent by the client, and analyzes the transmission request; at a server side, after receiving an engineering data transmission request message sent by a client side, the server analyzes/decodes the engineering data transmission request message; firstly, obtaining the size of a file and the position of each data in the file in a message according to a file header; and then reading data information such as project names, BIM model father node names, child node codes and the like.
Further, in the step 4, data transmission is performed according to the transmission request, and the required engineering BIM model file is selected and encoded and then transmitted to the client;
after the data information is read, retrieving from a BIM model library of a server side; firstly, searching a corresponding project name; continuously searching the BIM model father node name in the engineering project name, if the BIM model father node name is searched, matching the child nodes below the father node with the child nodes required by the client, adding the matched child nodes into a file to be sent as a data file, counting the number of all the child nodes to generate a number value, and generating a return file with the following format by a file generation module at a server end:
the file format head + the return mark + the project name + the BIM model father node name + the child node code + the number of the obtained child nodes + data 1+ data 2+ data 3+ … data N + check + the file tail mark;
generating data with corresponding number according to the number of the child node codes; if N child nodes exist, N data are generated and added into the return file.
Further, in the step 5, the client receives the BIM model file sent by the server and decodes the BIM model file; the client receives the returned file sent by the server and decodes the returned file, wherein the returned mark is read and whether the data is returned correctly is judged according to the data in the file format head analysis file; further analyzing the project name, the BIM model father node code and the specific N data; the N data are read.
Further, in the step 6, the client displays data according to the decoded file; according to the item name, the BIM model father node code and the specific N data read in the step 5; and reading the N data and displaying the N data in an engineering tree of a software interface.
Advantageous effects
According to the invention, the project file is subjected to data decomposition and transmission through the BIM, so that the file information transmission effect is improved, the information interconnection and intercommunication among services are realized, the information isolation condition of the traditional technology is changed, and the informatization management level is improved.
Drawings
FIG. 1: the invention relates to an engineering attribute coding schematic diagram;
FIG. 2: the invention is a project coding form diagram;
FIG. 3: the engineering project decomposes a project tree;
FIG. 4: the interface of the invention is schematic;
FIG. 5: the invention relates to project coding and engineering tree application.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention without creative efforts.
The invention discloses a data decomposition transmission method based on a BIM (building information modeling) model, which comprises the following steps of:
step 5, the client receives the BIM model file sent by the server and decodes the BIM model file;
and 6, the client displays data according to the decoded file.
In the step 1, at the server, the engineering project is decomposed and coded according to the BIM model, and specifically, the engineering project can be decomposed and coded according to the BIM decomposition coding method.
Referring to fig. 3, the project BIM model is based on each basic component to form a unit, a subsection and a project division, and the project decomposition coding is to code the unit, the subsection, the project division and the basic component thereof. With the engineering decomposition coding, the logical relations of units, branches, project items and each basic component are defined in the BIM model, and an engineering tree of an engineering entity model is formed.
(1) A unified BIM coding system of unit, subsection and project division is established on the basis of EBS, and can be used as an 'information exchange specification' of project management unification, and a BIM cooperation platform of information exchange is provided for each participant.
(2) And a related database and a working platform for managing information of the same project are established on the basis of a BIM coding system, and finally, the information of each party runs on a unified BIM cooperative platform.
Through the BIM coding, no matter a simple engineering system or an engineering system with typical project group characteristics, no matter how complicated the contracting and subcontracting relations of projects and the responsibility relations of project distribution are, the object system of the project can be conveniently identified, the BIM coding is used as a link, the established engineering tree is used as a logical relation, the BIM model is used as a carrier, the integration and the application of the BIM in the traffic construction management process are realized, a cooperative platform is provided for project multi-service management, and the interface schematic diagram of the invention is shown in FIG. 4.
(3) In the completion document management, a project completion document directory is established according to the regulations of the transportation department and the actual conditions of the project, so that completion data are automatically generated according to the progress of the project.
(4) Management data of all levels are integrated on the BIM model, so that the collection and arrangement conditions of completion files of each unit can be checked in real time, problems can be found and solved in time, and the completion conditions of the internal work data of the unit can be mastered in real time.
According to the relevant regulations of 'completion documentation regulation of transportation department' and corresponding 'completion documentation template', documents, drawings, photos and images generated in the engineering construction process are classified, managed, organized and stored as the completion acceptance data, so that technical personnel can conveniently inquire the documents and the data, leadership work inspection and quality inspection, and the basis is provided for future maintenance, operation and management of projects.
The core function of the BIM entity structure decomposition coding of the traffic construction engineering is to realize classification, retrieval and information transmission of traffic construction engineering entities and is applied to traffic construction management informatization. Therefore, for traffic construction BIM information engineering entity decomposition (EBS), a system analysis method is adopted to decompose a traffic construction engineering object system into mutually independent and interconnected engineering project units according to a professional system, the engineering project units are used as the object of engineering project management to meet the management requirement, the engineering entity structure decomposition is classified according to the professional engineering, and meanwhile, according to the principle of line division method, the engineering entity structure decomposition is carried out on various professional engineering according to the work points
Specifically, the BIM code classification and coding for traffic construction engineering comprises the following parts:
(1) class code: the code representing the project or expense category is represented by an english alphabet (case-insensitive).
(2) And (3) class coding: the category code is followed by a numeric name category code, representing a sequence of such engineering or expense categories (th, th position … …).
(3) Engineering tree: a tree structure formed by decomposing engineering or expense contents from whole to part, from coarse to fine and step by step is called an engineering tree.
(4) Engineering node: the data elements in the engineering tree are referred to as engineering nodes. The previous node of an engineering node is called its parent node and the next node is called its child node. All nodes except the initial root node have unique parents, and the parents and children represent subordinates.
(5) Engineering properties: the specific names, characteristics, design parameters and the like of the engineering nodes are referred to as node attributes.
The requirement of multi-service management is comprehensively considered, the engineering entity structure decomposition code consists of engineering region code and engineering entity structure code, and the construction is carried out by adopting a parent code and child code method.
(5.1) the engineering attribute codes are 14 bits in total and consist of 6-level codes of national province numbers, construction projects, road grades, project construction properties, primary engineering areas and secondary engineering areas, and the form of the codes is shown in figure 1.
(5.2) the engineering entity coding is based on unit, subsection and project division, the coding is 18 bits in total, and the coding is composed of 4-level codes of professional engineering type, unit (including two-level feature codes), subsection and project division, and the form is shown in figure 1.
According to one embodiment of the invention, the decomposition units are identified by coding to distinguish them from each other, taking the decomposition of the road-work roadbed project as an example. The code identifies the characteristics of the decomposition unit, allowing one to easily "read" information about the project unit, such as which part, or subsystem, implementation stage, function, etc., it belongs to. The coding design is critical to the planning, control and management efficiency of the overall project.
The coding of the EBS is generally organized according to a system structure decomposition diagram, and a method of "parent code ten child code" is adopted. The code of each layer can be composed of numbers or symbols (letters), and a 1: n linear structure is adopted among layers, namely, one superior class corresponds to a plurality of inferior classes, and each inferior class corresponds to only one superior class.
The physical structure decomposition of the highway engineering is carried out on the basis of unit engineering, each unit, subsection and subentry engineering is coded, and the uniqueness of each unit, subsection and subentry engineering code is ensured.
The coding length should not be larger than 25 bits by adopting the number + letter coding mode. The classification level in a single project mark section should not exceed 6 levels, and the number of the same-position classes should not be more than 99.
The code is in the form of segment code plus engineering code, as shown in fig. 1-2.
In the step 2, the client sends an engineering data transmission request to the server;
and at the client, when the BIM model data needs to be acquired, sending an engineering data transmission request to the server. For example, if the client needs to display the attribute data of a certain section of road in the traffic engineering, a request message is generated according to the following format:
request format file header + project name + BIM model father node name + child node code + child node number + check + file tail flag;
the project names, the BIM model father node names and the child node codes are selected or extracted from the BIM model tree, the number of the father node names can be multiple or only one, and the method is specifically based on the requirements of a client; the parent node name may be all parent nodes when the client sends the packet for the first time. The number of the child nodes is an automatically generated numerical value, and finally, the message information is generated according to a message request generation module of the client and sent to the server;
in the step 3, the service receives the data transmission request sent by the client and analyzes the transmission request; and at the server side, after receiving the engineering data transmission request message sent by the client side, the server analyzes/decodes the engineering data transmission request message. Firstly, obtaining the size of a file and the position of each data in the file in a message according to a file header; and then reading data information such as project names, BIM model father node names, child node codes and the like. As shown in fig. 5, a screenshot of a project coding application and a project tree is obtained by analyzing and decoding a specific received data transmission request packet, and performing hierarchical storage in the form of the project tree according to data read by the project.
In the step 4, data transmission is carried out according to the transmission request, and the required engineering BIM model file is selected and coded and then transmitted to the client;
after the data information is read, retrieving from a BIM model library of a server side; firstly, searching a corresponding project name; and continuously searching the name of the BIM model father node in the project name, if the name of the BIM model father node is found, matching the child node below the father node with the child node required by the customer, and adding the matched child node serving as a data file into a file to be sent. Then, the number of all child nodes is counted to generate a number value, as shown in fig. 2. At the server side, the file generation module generates a return file with the following format:
the file format head + the return mark + the project name + the BIM model father node name + the child node code + the number of the obtained child nodes + data 1+ data 2+ data 3+ … data N + check + the file tail mark;
generating data with corresponding number according to the number of the child node codes; if N child nodes exist, N data are generated and added into the return file.
In the step 5, the client receives the BIM model file sent by the server and decodes the BIM model file;
the client receives the returned file sent by the server and decodes the returned file, wherein the returned mark is read and whether the data is returned correctly is judged according to the data in the file format head analysis file; further analyzing the project name, the BIM model father node code and the specific N data; the N data are read.
In step 6, the client displays data according to the decoded file.
According to the item name, the BIM model father node code and the specific N data read in the step 5; the N data are read and displayed in the engineering tree of the software interface, as shown in fig. 5.
Although illustrative embodiments of the present invention have been described above to facilitate the understanding of the present invention by those skilled in the art, it should be understood that the present invention is not limited to the scope of the embodiments, but various changes may be apparent to those skilled in the art, and it is intended that all inventive concepts utilizing the inventive concepts set forth herein be protected without departing from the spirit and scope of the present invention as defined and limited by the appended claims.
Claims (10)
1. A data decomposition transmission method based on a BIM model is characterized by comprising the following steps:
step 1, at a server end, decomposing and coding an engineering project according to a BIM (building information modeling);
step 2, the client sends an engineering data transmission request to the server;
step 3, the service receives the data transmission request sent by the client and analyzes the transmission request;
step 4, data transmission is carried out according to the transmission request, and the required engineering BIM model file is selected and coded and then transmitted to the client;
step 5, the client receives the BIM model file sent by the server and decodes the BIM model file;
and 6, the client displays data according to the decoded file.
2. The data decomposition transmission method based on the BIM model according to claim 1, wherein in the step 1, the engineering project is decomposed and coded according to the BIM model, specifically according to a BIM decomposition coding method, at the server end;
the BIM model of the engineering project is based on the unit, subsection and project division of each basic component, and the engineering decomposition coding is used for coding the unit, subsection, project division and basic components thereof; according to the engineering decomposition code, defining the logical relations of units, branches, project items and each basic component in the BIM model to form an engineering tree of an engineering entity model.
3. The BIM-model-based data decomposition transmission method according to claim 2, further comprising
(1) Establishing a unified BIM coding system of unit, subsection and project division projects on the basis of EBS, serving as an 'information exchange specification' of project management unification, and providing a BIM cooperation platform of information exchange for each participant;
(2) establishing a related database based on a BIM coding system, unifying a working platform of project management information, and finally realizing that each party of information runs on a unified BIM cooperative platform;
(3) in the completion document management, according to the regulation of the transportation department and the actual condition of the project, a project completion document directory is established, and completion data are automatically generated along with the progress of the project;
(4) management data at all levels are integrated on the BIM model, so that the collection and arrangement conditions of completion files of each unit can be checked in real time, problems can be found and solved in time, and the completion conditions of the internal work data of the unit can be mastered in real time.
4. The BIM-model-based data decomposition transmission method according to claim 1,
the BIM code classification and code for traffic construction engineering comprises the following parts:
(1) class code: codes representing engineering or expense categories, represented by an english letter (case-insensitive);
(2) and (3) class coding: the category code is added with a number name category code to represent the sequence of the engineering or expense category;
(3) engineering tree: a tree structure formed by decomposing engineering or expense content from whole to local, from coarse to fine and step by step is called an engineering tree;
(4) engineering node: data elements in the engineering tree are called engineering nodes; the last node of one engineering node is called a father node of the engineering node, the next node is called a child node of the engineering node, all the nodes except the initial root node have unique father nodes, and the father and child nodes represent subordination relations;
(5) engineering properties: the method is characterized in that specific names, characteristics, design parameters and the like of engineering nodes are referred, also called node attributes, the requirements of multi-service management are comprehensively considered, an engineering entity structure decomposition code consists of an engineering region code and an engineering entity structure code, and the construction is carried out by adopting a parent code and child code method;
(5.1) the engineering attribute codes are 14 bits in total and consist of 6-level codes of national province numbers, construction projects, road grades, project construction properties, primary engineering areas and secondary engineering areas;
and (5.2) the engineering entity coding is based on unit, subsection and project division, has 18 bits in total and consists of 4-level codes of professional engineering types, units, subsections and project division.
5. The BIM-model-based data decomposition transmission method as claimed in claim 4, wherein the coding is in the form of segment code + engineering coding.
6. The BIM-model-based data decomposition transmission method according to claim 1,
in the step 2, the client sends an engineering data transmission request to the server;
at a client, when the BIM model data needs to be acquired, sending an engineering data transmission request to a server, and generating a request message according to the following format if the client needs to display the attribute data of a certain section of road in the traffic engineering:
request format file header + project name + BIM model father node name + child node code + child node number + check + file tail flag;
the project name, the BIM model father node name and the child node code are required to be selected or extracted from the BIM model tree, and one or more father node names are required; when the client sends a message for the first time, the father node name enables all father nodes and the number of child nodes to be automatically generated values, and finally, the message information is generated according to a message request generation module of the client and sent to the server.
7. The BIM-model-based data decomposition transmission method according to claim 1,
in the step 3, the service receives the data transmission request sent by the client and analyzes the transmission request; at a server side, after receiving an engineering data transmission request message sent by a client side, the server analyzes/decodes the engineering data transmission request message; firstly, obtaining the size of a file and the position of each data in the file in a message according to a file header; and then reading data information such as project names, BIM model father node names, child node codes and the like.
8. The BIM-model-based data decomposition transmission method according to claim 1,
in the step 4, data transmission is carried out according to the transmission request, and the required engineering BIM model file is selected and coded and then transmitted to the client;
after the data information is read, retrieving from a BIM model library of a server side; firstly, searching a corresponding project name; continuously searching the BIM model father node name in the engineering project name, if the BIM model father node name is searched, matching the child nodes below the father node with the child nodes required by the client, adding the matched child nodes into a file to be sent as a data file, counting the number of all the child nodes to generate a number value, and generating a return file with the following format by a file generation module at a server end:
the file format head + the return mark + the project name + the BIM model father node name + the child node code + the number of the obtained child nodes + data 1+ data 2+ data 3+ … data N + check + the file tail mark;
generating data with corresponding number according to the number of the child node codes; if N child nodes exist, N data are generated and added into the return file.
9. The BIM-model-based data decomposition transmission method according to claim 1,
in the step 5, the client receives the BIM model file sent by the server and decodes the BIM model file; the client receives the returned file sent by the server and decodes the returned file, wherein the returned mark is read and whether the data is returned correctly is judged according to the data in the file format head analysis file; further analyzing the project name, the BIM model father node code and the specific N data; the N data are read.
10. The BIM-model-based data decomposition transmission method according to claim 1,
in the step 6, the client displays data according to the decoded file; according to the item name, the BIM model father node code and the specific N data read in the step 5; and reading the N data and displaying the N data in an engineering tree of a software interface.
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| CN114626117A (en) * | 2020-12-14 | 2022-06-14 | 水利部水利水电规划设计总院 | Coding method of hydraulic engineering information model for long-distance water transmission engineering |
| CN115801812A (en) * | 2023-02-08 | 2023-03-14 | 中设数字技术股份有限公司 | Cross-software collaboration method for engineering project business data |
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