CN110619187A - Concrete dam construction scheme and resource conflict detection and adjustment method - Google Patents
Concrete dam construction scheme and resource conflict detection and adjustment method Download PDFInfo
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Abstract
The invention provides a concrete dam construction scheme and a resource conflict detection and adjustment method, wherein a concrete dam virtual construction model is constructed by using a digital and parameterized solid model design method; uniformly classifying and coding knowledge such as constraint conditions, logical relations and the like related in the virtual construction model, and creating a concrete dam virtual construction knowledge base; a computer simulation technology is used for simulating the construction process of the concrete dam, whether equipment operation conflicts, resource conflicts and the like exist in the current construction plan or not is continuously detected in the calculation according to the time step length, if conflicts exist, a comprehensive optimization and progress and resource dynamic optimization method based on secondary coordination and knowledge reasoning is used for searching knowledge rules, methods and strategies in a knowledge base, and a new construction plan is obtained through solving, so that conflict detection and adjustment of the construction scheme and resources are achieved.
Description
Technical Field
The invention relates to the field of hydraulic engineering construction organization management, in particular to a concrete dam construction scheme and a resource conflict detection and adjustment method.
Background
The concrete dam is generally large in engineering scale, large in resource input quantity, long in construction period and large in uncertain influence factors. The quality of the concrete pouring scheme directly influences the construction period, quality, cost and safety of engineering construction. Along with the continuous increase of the construction scale and the construction difficulty of the concrete dam, uncertain factors in the construction process are increasingly complex and random, which brings new challenges and requirements to the design, construction and management of the engineering. In addition, the construction process of the concrete dam is a complex dynamic system, the construction period is long, the constraint conditions are numerous, all construction links are mutually influenced in a cross mode, and in the face of factors such as a dam body structure, multi-work cross operation, variable construction environments and the like, the scheme drafting, verification and optimization of the concrete dam are difficult to analyze and research through constructing a simple mathematical analysis model, and the traditional thinking of drafting, verification and optimization of the construction scheme by means of engineering analogy or experience of designers or experts is lacked.
Space resources in the warehouse surface construction of the concrete dam are very limited, the arrangement of material warehouses, processing auxiliary enterprises, construction roads and the like is difficult, and the material transportation difficulty is high; the geological conditions are complex, the treatment difficulty of the dam abutment and the high slope is high, and the contradiction between curtain grouting, consolidation grouting and the like and dam body pouring is prominent; the construction mechanical equipment is difficult to arrange, the warehousing modes of materials such as concrete and reinforcing steel bars are variable, the types of the transportation and construction mechanical equipment are multiple, and all factors in the construction process are crossed and interfered in time and space. These make it particularly difficult to develop a scientifically sound, efficient and feasible concrete dam construction scheme.
However, continuous construction with high strength must be achieved while ensuring the quality and safety of the construction. Therefore, a perfect construction scheme is found before the construction is started, which has important significance for accelerating the progress, improving the quality, reducing or eliminating safety accidents and reducing the cost, and is also an inevitable way for improving the construction productivity and the construction management level. The method is required to start from the aspects of optimizing construction organization and resource allocation, pre-judging and processing emergencies in the construction process, adjusting and scheduling schemes in real time and the like, and realizes the fine scientific management of the construction site.
Disclosure of Invention
The invention provides a concrete dam construction scheme and a resource conflict detection and adjustment method, aiming at solving the problems of slow construction progress, poor engineering quality and the like caused by time and space conflicts in the construction process and aiming at how to safely and efficiently make a concrete dam construction plan.
In order to achieve the technical features, the invention is realized as follows: a concrete dam construction scheme and a resource conflict detection and adjustment method comprise the following steps:
the method comprises the following steps: constructing a virtual construction model of the concrete dam by using a digital and parametric modeling method and combining the topological relation information of the construction bin surface;
carrying out standardized processing on constraints, boundary conditions, logical relations, scheme optimization rules and driving strategies related to the virtual construction model of the concrete dam, classifying and abstracting according to object attribute characteristics, dividing into a plurality of independent subclasses according to inherent various attributes, and establishing a virtual construction knowledge base of the concrete dam;
and step three, continuously detecting whether equipment operation conflicts and resource conflicts exist in the current construction plan according to time step length in the simulation process by utilizing a computer simulation technology based on the concrete dam virtual construction model, calling a comprehensive solving search engine based on secondary coordination when the conflicts exist, searching logical relations, scheme optimization rules and the like in the constructed concrete dam virtual construction knowledge base to obtain a new construction plan, and further realizing the conflict detection and adjustment of the construction scheme and the resources.
The process of establishing the virtual construction model of the concrete dam in the first step comprises the following steps: building a concrete dam virtual construction model by combining the properties of the construction model through a computer simulation technology based on a dam body model built by a parameterized equation; the virtual construction model comprises basic geometric information of the three-dimensional dam body model, and also has attributes including characteristic information, constraint conditions and construction resource information.
The attributes of the concrete dam virtual construction model comprise material characteristics, mechanical parameters, construction characteristics and the like of a dam body. Each pouring unit of the model comprises characteristic information such as reinforcing steel bar arrangement information, a cooling water pipe arrangement scheme, a corresponding metal structure, an embedded part and a buried monitoring instrument. The constraint conditions of the virtual construction model comprise space constraint, progress constraint, environment constraint and the like of the dam body, and the construction resource information comprises construction material information, installation position information, installation errors, working parameters of equipment and the like.
The knowledge standardization process in the second step comprises the following steps: the construction method comprises the steps of collecting and classifying constraint, boundary conditions, logic relations, scheme optimization rules and driving strategy knowledge related to a construction model, dividing the construction model into a plurality of independent subclasses according to inherent various attributes, expressing a certain subclass to have the same or similar attribute characteristics, carrying out unique coding according to the characteristic form, and carrying out extensible combined coding mode on the coding, so that an information standardized template is constructed, the knowledge information is subjected to standardized classification, coding and management, and data, rules and the like are uniformly stored and managed in a virtual construction knowledge base.
The concrete dam virtual construction knowledge base constructed in the second step comprises five sub-bases: construction boundary conditions and construction constraint libraries: the method comprises the steps of flow guiding, meteorological hydrological information, node construction period, construction process constraint obtained according to dam construction quality safety requirements and the like; constructing a logical relation library: according to the classification, class characteristics and membership of each construction unit, establishing the construction logic relationship of each unit and the construction process logic of a unit instance in a layering manner to obtain a structured construction process logic library; a scheme optimization rule base; a drive policy repository; a conflict coordination library.
The detection process of the conflict in the third step comprises the classification of the conflict, which means that when the detection is carried out by combining a computer simulation technology based on a virtual construction model of a concrete dam, the reasons causing the adjustment of the construction plan are classified into three types: device operation conflicts, resource usage conflicts, system conditions and state changes; the equipment operation conflicts comprise the collision between the cable cranes, the collision between the suspension tank and the bin surface machinery and the collision between the cable crane suspension tank and the dam body; resource usage conflicts include difficulty in mechanical layout of the construction deck; conflicts between system conditions and state changes include transport of the construction system and concrete production state changes.
The processing process of the conflict detection in the third step means that the conflict detection of the equipment operation is realized through the topological relation of the construction bin surface, the motion control of the mechanical equipment and the real-time dynamic drawing of the construction scene in the virtual construction model; detecting resource use conflict by acquiring a construction plan and the current construction progress and resource use state; and detecting the change of the system condition or state through system disturbance and system fault.
And the third step of adjusting the construction plan means that a conflict solution principle and a resource use optimization principle are both from the knowledge base, a constructed concrete dam virtual construction knowledge base is searched through a knowledge reasoning and comprehensive optimization search engine based on secondary coordination, a secondary coordination strategy is selected according to construction constraint and optimization principle knowledge elements in the knowledge base, conflicts are solved, and a new scheme is solved.
The conflict detection and adjustment mechanism in the third step is based on a computer simulation technology, whether conflicts exist in the current construction plan is continuously detected according to time step length in the calculation, and when the conflicts exist, a search engine solves a new construction plan according to relevant constraint and optimization principles in a virtual construction knowledge base; continuing to perform conflict detection on the new construction plan according to the time step length, and repeating the processes of conflict detection and plan adjustment when the output result is negative; an adjustment method for solving the optimal construction scheme after the conflict is solved on the basis of the initial scheme is generated by advancing the circulation of the simulation construction plan process.
The invention has the following beneficial effects:
the method can perform global dynamic optimization analysis on the schedule arrangement and the resource allocation scheme of the construction scheme, and has important engineering application value and significance for improving the scientification and refinement of construction organization design.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a view illustrating the construction of a virtual construction model of a concrete dam according to the present invention,
figure 2 is a classification method of the knowledge base of the present invention,
figure 3 is a diagram of the knowledge base architecture of the present invention,
FIG. 4 is a basic framework of the construction scheme conflict detection and construction plan adjustment model of the present invention.
Detailed Description
The invention mainly aims at how to safely and efficiently make a concrete dam construction plan, and combines a computer simulation technology to obtain a concrete dam construction scheme and a resource conflict detection and adjustment method.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings:
referring to fig. 1, 2, 3 and 4, a concrete dam construction scheme and resource conflict detection and adjustment method includes the steps of constructing a virtual construction model, creating a knowledge base, and detecting and adjusting conflicts of construction schemes and resources. The method comprises the following specific steps:
step one, establishing a simulation entity model. And with reference to fig. 1, the concrete dam is modeled by a related modeling tool based on a parameterized equation of the concrete dam.
And secondly, collecting construction model attribute information in the concrete dam construction process, wherein the construction model attribute information comprises characteristic information, constraint conditions and construction resource information in the construction process. The collection of characteristic information comprises dam body internal structure, buried instrument information and the like; the construction resource information acquisition comprises the information of used materials, the working parameters of equipment and the like; the information collection of the constraint conditions includes constraints of the surrounding environment, constraints of construction progress, constraints of supply materials, and the like.
And step three, constructing a virtual construction model. And (3) completing the construction of the virtual construction model by combining the attributes of the construction model on the basis of the concrete dam physical model through a computer simulation technology.
And step four, collecting and classifying knowledge related to the virtual construction model. With reference to fig. 2, knowledge related to the virtual construction model, such as constraints, boundary conditions, logic relationships, scheme optimization rules, driving strategies, etc., is collected and classified, and after the knowledge is collected, the knowledge is divided into several independent subclasses according to the inherent various attributes of the knowledge.
And fifthly, standardizing the knowledge. After the knowledge is classified, a certain subclass of knowledge representation has the same or similar attribute characteristics, and is subjected to unique coding according to the form of the characteristics. The coding can adopt a combination coding mode which can be expanded, for example, the dump truck can be divided into 8t, 15t, 20t, 32t and the like according to the transportation capacity; the transportation purposes can be divided into slag car, concrete car, material transportation and the like. And constructing an information standardized template for knowledge processing, and representing the template in the modes of texts, data tables, rule tables, relationship diagrams, flow charts, circulating networks and the like after the processing is finished.
And step six, constructing a concrete dam virtual construction knowledge base. On the basis of the relational database, by combining with relevant means such as a data mining technology, a knowledge discovery technology and the like, the data, the rules and the like which are processed in a standardized manner are uniformly stored and managed in the virtual construction knowledge base. And with reference to fig. 3, dividing the constructed concrete dam virtual construction knowledge base into five sub-bases to provide a search solution for a search engine. Which comprises the following steps: construction boundary conditions and construction constraint libraries: the method comprises the steps of flow guiding, meteorological hydrological information, node construction period, construction process constraint obtained according to dam construction quality safety requirements and the like; constructing a logical relation library: according to the classification, class characteristics and membership of each construction unit, establishing the construction logic relationship of each unit and the construction process logic of a unit instance in a layering manner to obtain a structured construction process logic library; a scheme optimization rule base; a drive policy repository; a conflict coordination library.
And step seven, formulating the classification of construction process conflicts. The reasons for causing the construction plan adjustment are classified into three types: device operation conflicts, resource usage conflicts, system conditions and state changes. The equipment operation conflicts comprise the collision between the cable machines, the collision between the suspension tank and the bin surface machinery, the collision between the suspension tank of the cable machine and the dam body and the like; the resource use conflict comprises the difficulty of mechanical arrangement of a construction cabin surface and the like; the conflict between the system condition and the state change comprises the transportation of a construction system, the concrete production state change and the like.
And step eight, detecting conflicts in the construction process. And continuously detecting whether conflicts exist in the current construction plan according to the time step length when the virtual construction model based on the concrete dam is combined with the computer simulation technology for calculation. With reference to fig. 4, the detection of the conflict of the equipment operation is realized through the topological relation of the construction bin surface, the motion control of the mechanical equipment, the real-time dynamic drawing of the construction scene and the like in the virtual construction model; detecting resource use conflict by acquiring a construction plan and the current construction progress and resource use state; and detecting the change of the system condition or state through system disturbance and system fault.
And step nine, when the existence of the conflict is detected, the construction plan is adjusted. Calling a comprehensive solving search engine based on secondary coordination, and solving a new construction plan by the search engine according to the logical relation, the relevant constraint and the optimization principle in the virtual construction knowledge base; and continuing to perform conflict detection on the new construction plan according to the time step, and repeating the processes of conflict detection and plan adjustment when the output result is negative.
Claims (9)
1. A concrete dam construction scheme and a resource conflict detection and adjustment method are characterized by comprising the following steps:
the method comprises the following steps: constructing a virtual construction model of the concrete dam by using a digital and parametric modeling method and combining the topological relation information of the construction bin surface;
carrying out standardized processing on constraints, boundary conditions, logical relations, scheme optimization rules and driving strategies related to the virtual construction model of the concrete dam, classifying and abstracting according to object attribute characteristics, dividing into a plurality of independent subclasses according to inherent various attributes, and establishing a virtual construction knowledge base of the concrete dam;
and step three, continuously detecting whether equipment operation conflicts and resource conflicts exist in the current construction plan according to time step length in the simulation process by utilizing a computer simulation technology based on the concrete dam virtual construction model, calling a comprehensive solving search engine based on secondary coordination when the conflicts exist, searching logical relations, scheme optimization rules and the like in the constructed concrete dam virtual construction knowledge base to obtain a new construction plan, and further realizing the conflict detection and adjustment of the construction scheme and the resources.
2. The concrete dam construction scheme and resource conflict detection and adjustment method according to claim 1, wherein: the process of establishing the virtual construction model of the concrete dam in the first step comprises the following steps: building a concrete dam virtual construction model by combining the properties of the construction model through a computer simulation technology based on a dam body model built by a parameterized equation; the virtual construction model comprises basic geometric information of the three-dimensional dam body model, and also has attributes including characteristic information, constraint conditions and construction resource information.
3. The concrete dam construction scheme and resource conflict detection and adjustment method according to claim 1, wherein: the virtual construction model of the concrete dam has the attributes of material characteristics, mechanical parameters and construction characteristics of a dam body; each pouring unit of the model comprises characteristic information such as reinforcing steel bar arrangement information, a cooling water pipe arrangement scheme, a corresponding metal structure, an embedded part, a buried monitoring instrument and the like; 5. the constraint conditions of the virtual construction model comprise space constraint, progress constraint, environment constraint and the like of the dam body, and the construction resource information comprises construction material information, installation position information, installation errors, working parameters of equipment and the like.
4. The concrete dam construction scheme and resource conflict detection and adjustment method according to claim 1, characterized in that: the knowledge standardization process in the second step comprises the following steps: the construction method comprises the steps of collecting and classifying constraint, boundary conditions, logic relations, scheme optimization rules and driving strategy knowledge related to a construction model, dividing the construction model into a plurality of independent subclasses according to inherent various attributes, expressing a certain subclass to have the same or similar attribute characteristics, carrying out unique coding according to the characteristic form, and carrying out extensible combined coding mode on the coding, so that an information standardized template is constructed, the knowledge information is subjected to standardized classification, coding and management, and data, rules and the like are uniformly stored and managed in a virtual construction knowledge base.
5. The concrete dam construction scheme and resource conflict detection and adjustment method according to claim 1, characterized in that: the concrete dam virtual construction knowledge base constructed in the second step comprises five sub-bases: construction boundary conditions and construction constraint libraries: the method comprises the steps of flow guiding, meteorological hydrological information, node construction period, construction process constraint obtained according to dam construction quality safety requirements and the like; constructing a logical relation library: according to the classification, class characteristics and membership of each construction unit, establishing the construction logic relationship of each unit and the construction process logic of a unit instance in a layering manner to obtain a structured construction process logic library; a scheme optimization rule base; a drive policy repository; a conflict coordination library.
6. The concrete dam construction scheme and resource conflict detection and adjustment method according to claim 1, characterized in that: the detection process of the conflict in the third step comprises the classification of the conflict, which means that when the detection is carried out by combining a computer simulation technology based on a virtual construction model of a concrete dam, the reasons causing the adjustment of the construction plan are classified into three types: device operation conflicts, resource usage conflicts, system conditions and state changes; the equipment operation conflicts comprise the collision between the cable cranes, the collision between the suspension tank and the bin surface machinery and the collision between the cable crane suspension tank and the dam body; resource usage conflicts include difficulty in mechanical layout of the construction deck; conflicts between system conditions and state changes include transport of the construction system and concrete production state changes.
7. The concrete dam construction scheme and resource conflict detection and adjustment method according to claim 1, characterized in that: the processing process of the conflict detection in the third step means that the conflict detection of the equipment operation is realized through the topological relation of the construction bin surface, the motion control of the mechanical equipment and the real-time dynamic drawing of the construction scene in the virtual construction model; detecting resource use conflict by acquiring a construction plan and the current construction progress and resource use state; and detecting the change of the system condition or state through system disturbance and system fault.
8. The concrete dam construction scheme and resource conflict detection and adjustment method according to claim 1, characterized in that: and the third step of adjusting the construction plan means that a conflict solution principle and a resource use optimization principle are both from the knowledge base, a constructed concrete dam virtual construction knowledge base is searched through a knowledge reasoning and comprehensive optimization search engine based on secondary coordination, a secondary coordination strategy is selected according to construction constraint and optimization principle knowledge elements in the knowledge base, conflicts are solved, and a new scheme is solved.
9. The concrete dam construction scheme and resource conflict detection and adjustment method according to claim 1, characterized in that: the conflict detection and adjustment mechanism in the third step is based on a computer simulation technology, whether conflicts exist in the current construction plan is continuously detected according to time step length in the calculation, and when the conflicts exist, a search engine solves a new construction plan according to relevant constraint and optimization principles in a virtual construction knowledge base; continuing to perform conflict detection on the new construction plan according to the time step length, and repeating the processes of conflict detection and plan adjustment when the output result is negative; an adjustment method for solving the optimal construction scheme after the conflict is solved on the basis of the initial scheme is generated by advancing the circulation of the simulation construction plan process.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113434760A (en) * | 2021-06-25 | 2021-09-24 | 平安国际智慧城市科技股份有限公司 | Construction method recommendation method, device, equipment and storage medium |
| CN116308188A (en) * | 2023-03-23 | 2023-06-23 | 中宬建设管理有限公司 | Digital engineering management method and system based on BIM technology |
| CN117162263A (en) * | 2023-11-02 | 2023-12-05 | 江苏菲尔浦工程科技有限公司 | Method and system for optimizing concrete production process |
| CN117725662A (en) * | 2024-02-07 | 2024-03-19 | 青岛瑞源工程集团有限公司 | Engineering construction simulation method and system based on municipal engineering |
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