BIM-based building construction simulation management method and system

Abstract

The invention provides a BIM-based building construction simulation management method and system. The BIM-based building construction simulation management method comprises the steps of pre-constructing a first construction progress model as an initial design construction progress model by using a BIM system; constructing a second construction progress model based on the BIM system according to the current building construction management process, wherein the second construction progress model is obtained by scanning a building construction site and inputting the building construction site into the BIM system; comparing the second construction progress model obtained by actual scanning with the first construction progress model, judging a current project progress difference and a construction quality difference, and generating a supervision strategy; a danger warning area is generated according to the module type of the second construction progress model, video information in the danger warning area is obtained in real time, and human body information is recognized from the video information; and calculating a comprehensive quality score according to a comparison result of the second construction progress model and the first construction progress model at each progress node.

Description

Technical Field

[0001] The present invention relates to the technical field of building management, and particularly to a building construction simulation management method and system based on BIM. Background Art

[0002] Currently, the traditional building construction management method still realizes it in the way of project management. For example, the project management of building construction is carried out according to the progress nodes of building construction. The building construction management method based on project progress nodes includes: project planning, design, and bidding at the project start node; foundation treatment and foundation pouring at the foundation construction node; beam, column, and wall structure construction at the main body construction node; and interior and exterior decoration and equipment installation at the decoration and finishing node. The above existing building construction management methods still have the technical problems that the management details are not comprehensive enough, and the management process and management results are not intuitive enough. Summary of the Invention

[0003] One of the invention objects of the present invention is to provide a building construction simulation management method and system based on BIM. The method and system use the BIM to simulate and analyze the whole process of building construction status, and carry out the whole-process construction management according to the BIM simulation results, so as to have an efficient and accurate construction management effect during the building construction process. And because the BIM simulation model has a three-dimensional structure, it has a good intuitive management effect in the actual building construction management process.

[0004] Another invention object of the present invention is to provide a building construction simulation management method and system based on BIM. The method and system use the BIM to compare the designed three-dimensional model generated by different management nodes with the three-dimensional model obtained by actual scanning, and judge the building form quality score according to the comparison result, so as to accurately control the construction results in real time and improve the standardized and efficient building construction method.

[0005] Another invention object of the present invention is to provide a building construction simulation management method and system based on BIM. The method and system provide a method for judging danger. After converting the scanned actual construction scene into a three-dimensional model according to the BIM, analyze the morphological analysis corresponding to the three-dimensional model to obtain the danger warning area of the current construction scene, and use, including but not limited to, a camera to monitor the construction specifications of the construction personnel in the danger warning area in real time, and provide danger warnings to the personnel in the danger warning area, thereby greatly improving the safety in the building construction scene.

[0006] In order to achieve at least one of the above invention objects, the present invention further provides a building construction simulation management method based on BIM. The method includes the following steps: Pre - construct a first construction progress model using the BIM system, where the first construction progress model is a construction progress model with initial design; Construct a second construction progress model based on the BIM system according to the current construction management process, where the second construction progress model is constructed by scanning the construction site and inputting it into the BIM system; Compare the second construction progress model obtained from actual scanning with the first construction progress model, judge the current project progress difference and construction quality difference according to the comparison result, and generate a supervision strategy according to the difference; Generate a danger warning area according to the module type of the second construction progress model, obtain video information in the danger warning area in real - time, identify human body information from the video information, and judge the dangerous behavior of the human body information in the danger warning area; Calculate the comprehensive quality score of the current building construction process according to the comparison result of the second construction progress model and the first construction progress model at each progress node.

[0007] According to one preferred embodiment of the present invention, the construction method of the first construction progress model includes: presetting construction progress time nodes, and respectively pre - constructing corresponding first construction progress models according to the construction progress nodes, where the first construction progress model includes: the geometric model of the corresponding building module under the corresponding time node, the attribute information of the building module geometric model, the spatial relationship and structural analysis model of the building module geometric model, the cost information and energy consumption analysis model of the building module geometric model.

[0008] According to another preferred embodiment of the present invention, the attribute information of the building module geometric model includes: the name, material, type, size, weight, installation date, and manufacturer of the building module components; the spatial relationship of the building module geometric model includes: the connection relationship, assembly relationship between different components of the geometric model, the stacking height relationship between different floors, the connection relationship between different rooms, and the spatial layout relationship of stairs or elevators between floors; the cost information of the building module geometric model includes: the material of each building module geometric model and the corresponding material price, and the material loss of the corresponding building module geometric model.

[0009] According to another preferred embodiment of the present invention, the method for constructing the second construction progress model includes: extracting the construction progress time point information corresponding to the current time from the first construction progress model recorded by the BIM system; using a scanning device to obtain the physical building in the construction site, obtaining the three-dimensional scanning information of the physical building, and inputting the three-dimensional scanning information of the physical building into the BIM system for three-dimensional geometric model reconstruction, and configuring the construction progress time point for the reconstructed three-dimensional geometric model of the physical building, and inputting the attribute information of the reconstructed three-dimensional geometric model of the physical building, the spatial relationship information of the three-dimensional geometric model of the physical building, the cost information, and the energy consumption information, so as to obtain the second construction progress model.

[0010] According to another preferred embodiment of the present invention, the method for comparing the second construction progress model and the first construction progress model includes: first, obtaining the geometric model component parts of the building module in the first construction progress model according to the preset construction progress time node, each sub-item information of the geometric model spatial relationship information, cost information, and energy consumption information; at the same time, obtaining the reconstructed geometric model component parts in the second construction progress model scanned and input for the physical building under the same construction progress time node, each sub-item information of the reconstructed geometric model spatial relationship information, cost information, and energy consumption information; further comparing each component part and sub-item information one by one according to the same construction progress time node to obtain the missing component parts or mismatched sub-item information in the second construction progress model; and calculating the second construction progress quality score of the current time node according to the missing component parts or mismatched sub-item information.

[0011] According to another preferred embodiment of the present invention, the method for calculating the quality score of the current construction progress time node includes: obtaining the missing component parts and mismatched sub-item information existing in the second construction progress model corresponding to the current construction progress time node, and calculating the second construction progress quality score of the current construction progress time node according to the following formula: F n (x,y)= , where x represents the value of the missing component part, represents the weight coefficient corresponding to the missing component part x, y represents the value of the mismatched sub-item information, represents the weight coefficient corresponding to the mismatched sub-item information; represents the preset quality constant, and n represents the corresponding construction progress node.

[0012] According to another preferred embodiment of the present invention, the method for calculating the total quality score includes: after obtaining each second construction progress quality score F n (x,y), further summing up the second construction progress quality scores of all construction progress nodes to obtain the total quality score: , determine the quality of the current building construction project according to the total mass fraction, and generate corresponding building quality supervision strategies.

[0013] According to another preferred embodiment of the present invention, a dangerous area corresponding to a geometric model component is pre-marked in the first construction progress model, and cameras are pre-configured in the construction site of the corresponding dangerous area to collect video images in the dangerous area, and a human body recognition model is used to identify the human body information in the video images and judge the category of the human body information; when the second construction progress model is obtained, further judge whether there is a pre-set dangerous area according to the geometric model component corresponding to the second construction progress model, and if so, start the cameras configured in the construction site of the corresponding dangerous area for real-time monitoring.

[0014] In order to achieve at least one of the above invention purposes, the present invention further provides a BIM-based building construction simulation management system, and the system executes the above-mentioned BIM-based building construction simulation management method.

[0015] The present invention further provides a computer-readable storage medium, and the computer-readable storage medium stores a computer program, and the computer program is executed by a processor to implement the above-mentioned BIM-based building construction simulation management method. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It shows a schematic flowchart of a BIM-based building construction simulation management method of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations. The basic principles defined in the following description can be applied to other implementation schemes, variation schemes, improvement schemes, equivalent schemes, and other technical schemes that do not depart from the spirit and scope of the present invention.

[0018] It can be understood that the term "one" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of one element can be one, and in other embodiments, the number of this element can be multiple. The term "one" cannot be understood as a limitation on the number.

[0019] Please combine Figure 1 , the present invention discloses a BIM-based building construction simulation management method and system, and the method mainly includes: Construct a first construction progress model, and the specific process includes: Pre-judge and design the actual required construction delivery conditions, material conditions, and personnel preparation conditions to obtain a constructible plan.

[0020] It should be further noted that the construction delivery conditions include quality acceptance conditions, data document conditions, and on-site environmental conditions; the material conditions include: material supply guarantee, quality control requirements, and environmental protection compliance; the personnel preparation conditions include: management team configuration, operator requirements, and management mechanism guarantee; according to the actual construction situation, obtain the corresponding construction delivery conditions, material conditions, and personnel preparation conditions.

[0021] For example, the quality acceptance conditions include: water and power connection tests, pipeline pressure tests, leakage protection tests, etc.; fire protection system linkage tests, smoke detector and sprinkler function tests; air volume and pressure tests; safety component inspections, load tests, and government special equipment acceptance; comply with design drawings, construction specifications, and contract agreements, and there are no quality defects such as structural safety hazards, leaks, and cracks. The data document conditions include: construction logs, concealed project acceptance records, material / equipment certificates and re-inspection reports, design change orders, negotiation records, etc.; environmental protection acceptance (such as noise and wastewater discharge compliance); planning acceptance (building area and floor area ratio meet planning permits); special acceptance certificates for civil air defense projects, lightning protection devices, etc. The on-site environmental conditions include: demolish temporary facilities, remove construction waste, achieve "work completed and site cleared", and complete outdoor projects (roads, greening) according to the design; take protective measures for decoration surfaces, equipment and facilities, etc., without damage or pollution.

[0022] Generate a building topology structure based on the building material materials used in building construction, the geometric model of the building main body, the construction and installation time, the geometric model of building components, cost information, and energy consumption information.

[0023] It should be further noted that the building material materials include: material classification and attributes, material management documents; the geometric model of the building main body includes: geometric parameters of the building main body; the construction and installation time includes: time plan preparation and dynamic construction time management; the geometric model of building components includes: geometric parameters of building components and connection relationships of building components; cost information includes: building cost composition and personnel cost composition; energy consumption information includes: building material losses, energy losses, etc.; the building material materials, the geometric model of the building main body, the construction and installation time, the geometric model of building components, cost information, and energy consumption information are the manifestations of the quality of the building process itself.

[0024] For example, the geometric parameters of the building main body include: total building area, base area, building height, storey height, grid spacing (8.4m×8.4m column grid); axis coordinates, elevation (difference between the structural elevation and the architectural elevation of each storey); wall thickness (200mm aerated concrete wall, 300mm shear wall), door and window opening size (1500mm×2100mm window), staircase step parameters, etc.; the geometric parameters of building components include the size and position parameters of walls, floors, ceilings, beams, columns, etc.; the connection relationships of building components include the connection relationships and assembly relationships of different building components, the stacking height relationships between different floors, the connection relationships between different rooms, and the spatial layout relationships of stairs or elevators between floors.

[0025] Map the building topological structure into a constructible plan, and then generate a first construction schedule model.

[0026] It should be further noted that in the specific implementation process, the specific process of pre-judging and designing the first construction schedule model according to the actual required construction delivery conditions, material conditions, and personnel preparation conditions includes:.

[0027] It should be further noted that in the specific implementation process, the specific process of generating the building topological structure includes:.

[0028] It should be further noted that in the specific implementation process, the specific process of mapping the building topological structure into a constructible plan and generating a first construction schedule model includes:.

[0029] For example, it is necessary to complete the pouring of the building foundation within a certain time period, complete the construction progress of the building main body within a certain time period, and complete the progress of building topping out within a certain time period. And it is preset in the first construction schedule model that in the present invention, the above-mentioned different types of information need to be set with relevant standards according to the corresponding construction schedule nodes respectively. Thus, the building construction management process in the present invention is standardized and highly efficient with low cost.

[0030] Construct a second construction schedule model, and the specific process includes: Scan the actual building construction according to the construction schedule nodes set in the first construction schedule model to obtain corresponding scan data.

[0031] It should be further noted that the construction states of the construction buildings in the actual building construction are different at different construction schedule nodes. Therefore, scan the actual building construction according to the corresponding construction schedule nodes to obtain the corresponding construction states, and the scanning technologies used include but are not limited to fixed-point scanning with a three-dimensional laser scanner.

[0032] Based on the BIM technology, and perform model reconstruction according to the scan data to obtain the actual construction schedule model corresponding to the construction schedule nodes.

[0033] Input the building topology structure corresponding to the construction progress node into the actual construction progress model to generate the second construction progress model.

[0034] It should be further noted that in the specific implementation process, the specific process of scanning the actual building construction by the construction progress nodes set for the first construction progress model includes:.

[0035] It should be further noted that in the specific implementation process, the specific process of model reconstruction based on the BIM technology and according to the scanned data includes:.

[0036] It should be further noted that in the specific implementation process, the specific process of generating the second construction progress model includes:.

[0037] Obtain the second construction progress quality score corresponding to the construction progress node according to the first construction progress model and the second construction progress model.

[0038] The specific process of analyzing the first construction progress model and the second construction progress model includes: It should be further noted that in the present invention, in order to obtain the difference between the actual building construction effect and the preset construction effect, a second construction progress model based on different construction progress time nodes and the first construction progress model are designed to perform relevant difference calculations to obtain the second construction progress quality score of the actual construction progress effect.

[0039] Obtain each sub-item information of the building material material, building main body geometric model, construction and installation time, building component geometric model, cost information, and energy consumption information in the first construction progress model corresponding to the construction progress time node according to the preset construction progress time node; at the same time, obtain each sub-item information of the building material material, building main body geometric model, construction and installation time, building component geometric model, cost information, and energy consumption information in the second construction progress model under the same construction progress time node; Compare each sub-item information of the building material material, building main body geometric model, construction and installation time, building component geometric model, cost information, and energy consumption information in the first construction progress model of each construction progress time node with each sub-item information of the building material material, building main body geometric model, construction and installation time, building component geometric model, cost information, and energy consumption information in the second construction progress model of the corresponding construction progress time node one by one to obtain the abnormal sub-item information in the second construction progress model, and perform relevant difference calculations according to the abnormal sub-item information to obtain the second construction progress quality score F n (x,y); the second construction progress quality score F nThe calculation formula of (x,y) is as follows: F n (x,y) = , where x represents the value of the missing component, represents the weight coefficient corresponding to the missing component x, y represents the value of the mismatched sub-item information, represents the weight coefficient of the corresponding mismatched sub-item information; represents the preset quality constant, and n represents the corresponding construction progress node.

[0040] The calculation method of the total quality score includes: after obtaining each of the second construction progress quality scores F n (x,y), further sum up the second construction progress quality scores of all construction progress nodes to obtain the total quality score: , and judge the quality of the current building construction project according to the total quality score, so as to generate the corresponding building quality supervision strategy, where the building quality supervision strategy can adopt including but not limited to construction progress warning, material quality inspection, building masonry structure inspection, building component stress inspection, steel shear force inspection, etc.

[0041] In one preferred embodiment of the present invention, it is necessary to pre-mark the dangerous areas of the corresponding geometric model components in the first construction progress model, and pre-configure cameras in the construction sites of the corresponding dangerous areas to collect video images in the dangerous areas, and use the human body recognition model to identify the human body information in the video images and judge the category of the human body information; after obtaining the second construction progress model, further judge whether there are pre-set dangerous areas according to the geometric model components corresponding to the second construction progress model, and if so, start the cameras configured in the construction sites of the corresponding dangerous areas for real-time monitoring. It should be noted that the human body recognition model can adopt including but not limited to face recognition models, human body posture recognition models, etc., where the human body posture recognition model is used to identify the dangerous behaviors of personnel in the dangerous area, the face recognition model can be used to distinguish the types of personnel in the construction site, the types of personnel include construction personnel and irrelevant personnel, etc., the human body recognition model can adopt including but not limited to the YOLO model, etc., and the above human body recognition models can be implemented by existing mature models, and the present invention will not elaborate on this.

[0042] Embodiments disclosed in the present invention, the processes described above with reference to the flowcharts can be implemented as computer software programs. Embodiments disclosed in the present invention include a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program contains program codes for performing the methods shown in the flowcharts. In such an embodiment, the computer program can be downloaded and installed from the network through the communication part, and / or installed from a removable medium. When the computer program is executed by a central processing unit (CPU), the above-mentioned functions defined in the methods of the present application are performed. It should be noted that the computer-readable medium in the present application can be a computer-readable signal medium, a computer-readable storage medium, or any combination of the two. The computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples of the computer-readable storage medium can include, but are not limited to: an electrical connection with one or more wire segments, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In the present application, the computer-readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or combined with an instruction execution system, apparatus, or device. In the present application, the computer-readable signal medium can include a data signal propagated in a baseband or as part of a carrier wave, which carries the computer-readable program code. Such a propagated data signal can take various forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. The computer-readable signal medium can also be any computer-readable medium other than the computer-readable storage medium, and the computer-readable medium can send, propagate, or transmit a program for use by or combined with an instruction execution system, apparatus, or device. The program code contained on the computer-readable medium can be transmitted by any appropriate medium, including but not limited to: wireless, wire, optical cable, RF, etc., or any suitable combination of the above.

[0043] The flowcharts and block diagrams in the accompanying drawings illustrate the possible architectures, functions, and operations of systems, methods, and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagram may represent a module, a segment of a program, or a portion of code that contains one or more executable instructions for implementing a specified logical function. It should also be noted that, in some alternative implementations, the functions noted in the blocks may occur in a different order than that noted in the accompanying drawings. For example, two consecutive blocks shown may actually be executed substantially in parallel, or they may sometimes be executed in the reverse order, depending on the functions involved. It should also be noted that each block in the block diagram and / or flowchart, and combinations of blocks in the block diagram and / or flowchart, may be implemented by a dedicated hardware-based system that performs the specified functions or operations, or may be implemented by a combination of dedicated hardware and computer instructions.

[0044] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The objectives of the present invention have been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments. Without departing from the said principles, the embodiments of the present invention may have any variations or modifications.

Claims

1. A construction simulation management method based on BIM, characterized in that: The method comprises the following steps: Pre-building a first construction progress model using a BIM system, wherein the first construction progress model is an initialization-designed construction progress model; Constructing a second construction progress model based on the BIM system according to the current construction management process, wherein the second construction progress model is constructed by scanning the construction site and inputting it into the BIM system; Comparing the second construction progress model obtained by actual scanning with the first construction progress model, judging the current project progress difference and construction quality difference according to the comparison result, and generating a supervision strategy according to the difference; Generate a danger warning area according to the module type of the second construction progress model, obtain video information in the danger warning area in real time, and identify human body information from the video information; The comprehensive quality score of the current building construction process is calculated according to the comparison result of the second construction progress model and the first construction progress model at each progress node.

2. A BIM-based construction simulation management method according to claim 1, characterized in that: The method for constructing the first construction progress model includes: pre-setting construction progress time nodes, and pre-constructing corresponding first construction progress models according to the construction progress nodes, wherein the first construction progress model includes: corresponding building module geometric models under corresponding time nodes, attribute information of the building module geometric models, spatial relationship and structural analysis models of the building module geometric models, and cost information and energy consumption analysis models of the building module geometric models.

3. The BIM-based construction simulation management method according to claim 1 is characterized in that: The attribute information of the building module geometric model includes: the name, material, type, size, weight, installation date, and manufacturer of the building module components; the spatial relationship of the building module geometric model includes: the connection relationship and assembly relationship between different parts of the geometric model, the stacking height relationship between different floors, the connection relationship between different rooms, and the spatial layout relationship of stairs or elevators between floors; the cost information of the building module geometric model includes: the material and corresponding material price of each building module geometric model, and the material loss of the corresponding building module geometric model.

4. The BIM-based construction simulation management method according to claim 1 is characterized in that: The method for constructing the second construction progress model includes: extracting the construction progress time point information corresponding to the current time period from the first construction progress model recorded by the BIM system; using a scanning device to obtain the physical building in the construction site, obtaining the three-dimensional scanning information of the physical building, and inputting the three-dimensional scanning information of the physical building into the BIM system to reconstruct the three-dimensional geometric model, and configuring the construction progress time point for the reconstructed three-dimensional geometric model of the physical building, and inputting the attribute information of the reconstructed three-dimensional geometric model of the physical building, the spatial relationship information of the three-dimensional geometric model of the physical building, the cost information and the energy consumption information to obtain the second construction progress model.

5. The method for building construction simulation management based on BIM according to claim 1, characterized in that: The method for comparing the second construction progress model with the first construction progress model includes: first, according to a preset construction progress time node, obtaining the geometric model components of the building modules in the first construction progress model, and each sub-item information in the geometric model spatial relationship information, cost information and energy consumption information; at the same time, obtaining the reconstructed geometric model components in the second construction progress model scanned and inputted from the physical building at the same construction progress time node, and each sub-item information in the reconstructed geometric model spatial relationship information, cost information and energy consumption information; further comparing each component and sub-item information one by one according to the same construction progress time node to obtain the missing components or unmatched sub-item information in the second construction progress model; and calculating the second construction progress quality score at the current time node according to the missing components or unmatched sub-item information.

6. A BIM-based construction simulation management method according to claim 5, characterized in that: The quality score calculation method of the current construction progress time node includes: obtaining missing components and unmatched sub-item information existing in the second construction progress model corresponding to the current construction progress time node, and calculating the second construction progress quality score of the current construction progress time node according to the following formula: F n (x,y) = , where x represents the missing component value, represents the weight coefficient of the missing component x, and y represents the mismatched sub-item information value. Indicates the weight coefficient of the corresponding mismatched sub-item information; represents the preset mass constant, and n represents the corresponding construction progress node.

7. A BIM-based construction simulation management method according to claim 6, characterized in that: The total quality score calculation method includes: obtaining each second construction progress quality score F n (x, y), the second construction progress quality scores of all construction progress nodes are further summed to obtain the total quality score: , the quality of the current construction project is judged according to the comprehensive quality score, and is used to generate a corresponding construction quality supervision strategy.

8. The BIM-based construction simulation management method according to claim 1, characterized in that: Pre-mark the dangerous areas of the corresponding geometric model components in the first construction progress model, and pre-configure cameras in the construction sites corresponding to the dangerous areas to collect video images in the dangerous areas, and use a human body recognition model to recognize human body information in the video images and determine the category of the human body information; after obtaining the second construction progress model, further determine whether there is a pre-set dangerous area based on the geometric model components corresponding to the second construction progress model, and if so, start the camera configured in the construction site corresponding to the dangerous area for real-time monitoring.

9. A BIM-based construction simulation management system, characterized in that: The system executes a BIM-based construction simulation management method as described in any one of claims 1-8.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and the computer program is executed by a processor to implement a BIM-based construction simulation management method as described in any one of claims 1 to 8.

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