CN113469747A - BIM building model-based engineering cost evaluation method and equipment and computer storage medium - Google Patents
BIM building model-based engineering cost evaluation method and equipment and computer storage medium Download PDFInfo
- Publication number
- CN113469747A CN113469747A CN202110783384.9A CN202110783384A CN113469747A CN 113469747 A CN113469747 A CN 113469747A CN 202110783384 A CN202110783384 A CN 202110783384A CN 113469747 A CN113469747 A CN 113469747A
- Authority
- CN
- China
- Prior art keywords
- bim
- building information
- information model
- layer
- volume
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000011156 evaluation Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 claims abstract description 73
- 238000009434 installation Methods 0.000 claims abstract description 28
- 238000012937 correction Methods 0.000 claims abstract description 22
- 238000004590 computer program Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims description 3
- 238000009435 building construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
- G06Q30/0283—Price estimation or determination
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/08—Construction
Landscapes
- Business, Economics & Management (AREA)
- Strategic Management (AREA)
- Development Economics (AREA)
- Engineering & Computer Science (AREA)
- General Business, Economics & Management (AREA)
- Economics (AREA)
- Finance (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Tourism & Hospitality (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Human Resources & Organizations (AREA)
- Entrepreneurship & Innovation (AREA)
- Primary Health Care (AREA)
- Game Theory and Decision Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a project cost evaluation method, equipment and computer storage medium based on BIM building model, which comprises constructing BIM building information model of residential building project, dividing the BIM building information model into various layers of BIM building information models, obtaining the volumes of each door and window in each main wall and each bearing wall in each layer of BIM building information model of residential building project, calculating the actual construction volume of main wall and actual construction volume of bearing wall in each layer of BI M building information model, simultaneously obtaining the distance between the upper end of each door in each layer of BIM building information model and the corresponding wall top and the installation distance of each window, analyzing the comprehensive cost correction coefficient of each door and window in each layer of BIM building information model, calculating the comprehensive construction cost of residential building project, and displaying, thereby increasing the accuracy of evaluating the construction cost of the residential building and improving the construction cost level of the residential building.
Description
Technical Field
The invention relates to the field of construction engineering cost evaluation, in particular to a construction cost evaluation method, equipment and a computer storage medium based on a BIM (building information modeling) construction model.
Background
With the gradual popularization of the BIM technology in the building engineering, more and more building construction units begin to use the technology, and the BIM technology becomes the development trend of building informatization. The BIM model is added in the residential building engineering to perform auxiliary management on the engineering cost, so that the data statistics is more visual and convenient.
At present, the existing residential building engineering cost assessment method generally has the following defects:
1. the existing residential building engineering cost evaluation method basically adopts personnel evaluation, namely, a cost worker carries out engineering quantity estimation and engineering cost according to the construction engineering drawing data, so that the evaluation workload of the cost worker is large, and further, the cost worker occupies a large amount of working time and energy, and the residential building engineering cost is large in estimation error due to the fact that the construction engineering drawing data are many, messy and miscellaneous, and further, the residential building engineering cost is reduced;
2. the existing residential building construction cost evaluation method does not consider the construction cost influence of doors and windows in a building during evaluation, so that the evaluation accuracy of the residential building construction cost is reduced, and the rationality and the scientificity of the residential building construction cost evaluation are influenced;
in order to solve the above problems, a project cost evaluation method, a project cost evaluation device and a computer storage medium based on a BIM building model are designed.
Disclosure of Invention
The invention aims to provide a project cost evaluation method, a device and a computer storage medium based on a BIM building model, which divide the BIM building information model into various layers of BIM building information models by constructing the BIM building information model of residential building engineering, and the volume of each door and window in each main body wall and the volume of each door and window in each bearing wall in each layer of BIM building information model of the residential building engineering are obtained, the actual construction volume of the main body wall and the actual construction volume of the bearing wall in each layer of BIM building information model are calculated, and meanwhile, the distance from the upper end of each door in each layer of BIM building information model to the corresponding wall top and the installation distance of each window are obtained, the comprehensive construction cost correction coefficient of the doors and the windows in each layer of BIM building information model is analyzed, the comprehensive estimated construction cost of the residential building engineering is calculated and displayed, and the problems in the background technology are solved.
The purpose of the invention can be realized by the following technical scheme:
in a first aspect, the invention provides a project cost evaluation method based on a BIM building model, which comprises the following steps:
s1, building an information model: building a BIM (building information modeling) building information model of the residential building engineering by importing a design drawing of the residential building engineering;
s2, dividing a building information model: dividing BIM building information models of residential building engineering into BIM building information models of each layer, and numbering the BIM building information models in sequence according to a set sequence;
s3, obtaining the volume of the door and the window in the main wall: respectively obtaining the volumes of all doors and windows in all main body walls in all layers of BIM building information models of residential building engineering, and analyzing the total volume of the doors and the total volume of the windows in the main body walls of all layers of BIM building information models;
s4, obtaining the volume of the door and the window in the bearing wall: respectively obtaining the volumes of all doors and windows in all bearing walls in all layers of BIM building information models of residential building engineering, and analyzing the total volume of the doors and the total volume of the windows in the bearing walls of all layers of BIM building information models;
s5, analyzing the actual construction volume of the building: calculating the actual construction volume of the main body wall and the actual construction volume of the bearing wall in each layer of BIM building information model in the residential building engineering by extracting the set volume of each main body wall and the set volume of each bearing wall in each layer of BIM building information model in the residential building engineering;
s6, acquiring the distance between the upper end of the door and the top of the wall: analyzing the comprehensive cost correction coefficient of the inner door of each layer of BIM building information model of the residential building engineering by respectively obtaining the distance between the upper end of each door in each layer of BIM building information model of the residential building engineering and the corresponding wall top;
s7, obtaining the installation distance of the window: analyzing the comprehensive cost correction coefficient of the windows in the BIM information models of all the layers of the residential building engineering by respectively obtaining the installation distance of each window in the BIM information models of all the layers of the residential building engineering;
s8, analyzing construction cost: the comprehensive estimated construction cost of the residential building engineering is calculated and displayed by extracting the standard construction cost of the main body wall and the bearing wall in unit volume in the residential building engineering.
Preferably, the step S2 includes dividing the BIM building information models of the residential building engineering into building information models of each floor according to the building floor height, and numbering the building information models of each floor sequentially from low to high, where the number of the building information models of each floor in the residential building engineering is 1, 2.
Preferably, the step S3 includes the following steps:
s31, obtaining the volume of each door in each main body wall in each layer of BIM building information model, and forming a volume set of each door in each main body wall in each layer of BIM building information model
Expressed as the volume of the p door in the j main body wall in the ith layer of BIM building information model, wherein j is 1, 2.
S32, calculating the total volume of the doors in the main body wall of each layer of BIM building information model
ViXGeneral assemblyExpressed as the total volume of the doors in the main body wall of the ith layer of BIM building information model;
s33, obtaining the volume of each window in each main body wall in each layer of BIM building information model, and forming a volume set of each window in each main body wall in each layer of BIM building information model
The volume of the r-th window in the j-th main body wall in the ith layer of BIM building information model is represented;
s34, calculating the total volume of the windows in the main body wall of each layer of BIM building information model
ViYGeneral assemblyExpressed as the total of the windows in the main body wall of the ith layer BIM building information modelAnd (4) accumulating.
Preferably, the step S4 includes the following steps:
s41, obtaining the volume of each door in each bearing wall in each layer of BIM building information model, and forming a volume set of each door in each bearing wall in each layer of BIM building information model
Expressed as the volume of the a door in the g bearing wall in the i-th layer BIM building information model, wherein; 1,2,. u;
s42, calculating the total volume of the doors in the bearing wall of each layer of BIM building information model
ViX′General assemblyExpressed as the total volume of the doors in the bearing wall of the ith BIM building information model;
s43, obtaining the volume of each window in each bearing wall in each layer of BIM building information model, and forming a volume set of each window in each bearing wall in each layer of BIM building information model
The volume of the b-th window in the g-th bearing wall in the ith layer of BIM building information model is expressed;
s44, calculating the total volume of the windows in the bearing wall of each layer of BIM building information model
ViYGeneral assembly' is expressed as the total volume of windows in the bearing wall of the ith BIM building information model.
Preferably, the calculation formula of the actual construction volume of the main body wall in each layer of BIM building information model in the residential building engineering is
VFruit of Chinese wolfberryi is the actual construction volume of the main body wall in the ith layer BIM building information model in the residential building engineering, lambda is the proportion of the volume of the BIM building information model to the actual volume, and VijIs provided withThe set volume of the jth main body wall in the ith layer BIM building information model of the residential building engineering is represented; meanwhile, the calculation formula of the actual construction volume of the bearing wall in each layer of BIM building information model in the residential building engineering is
V′Fruit of Chinese wolfberryi is expressed as the actual construction volume V 'of the bearing wall in the ith layer BIM building information model in the residential building engineering'igIs provided withThe set volume of the g-th bearing wall in the ith layer BIM building information model of the residential building engineering is represented.
Preferably, the step S6 includes the following steps:
s61, obtaining the distance between the upper end of each door in each main body wall in each layer of BIM building information model of residential building engineering and the corresponding wall top, and forming a distance set between the upper end of each door in each main body wall in each layer of BIM building information model and the corresponding wall top
The distance between the upper end of the p door in the j main body wall in the ith layer of BIM building information model and the corresponding wall top is represented;
s62, simultaneously obtaining the distance between the upper end of each door in each bearing wall in each layer of BIM building information model of the residential building engineering and the corresponding wall top, and forming a distance set between the upper end of each door in each bearing wall in each layer of BIM building information module model and the corresponding wall top
The distance between the upper end of the a-th door in the g-th main body wall in the i-th layer BIM building information model and the corresponding wall top is represented;
s63, calculating the synthesis of each layer BIM building information model inner door of residential building engineeringCost correction factor
ξiX is expressed as the comprehensive cost correction coefficient of the inner door of the ith layer BIM building information model of the residential building engineering, HijSign boardExpressed as the standard height, H ', of the j-th main wall in the i-th layer BIM building information model'igSign boardExpressed as the standard height of the g bearing wall in the ith BIM building information model.
Preferably, the step S7 includes the following steps:
s71, obtaining the installation distance of each window in each main body wall in each layer of BIM building information model of residential building engineering, and forming the installation distance set of each window in each main body wall in each layer of BIM building information model
The installation distance of the r-th fan window in the j-th main body wall in the ith layer of BIM building information model is represented;
s72, simultaneously obtaining the installation distance of each window in each bearing wall in each layer of BIM building information model of the residential building engineering, and forming the installation distance set of each window in each bearing wall in each layer of BIM building information model
The installation distance of the b-th window in the g-th bearing wall in the ith layer of BIM building information model is represented;
s73, calculating the comprehensive cost correction coefficient of each layer BIM building information model inner window of the residential building engineering
ξiAnd Y represents the comprehensive cost correction coefficient of the inner window of the ith-floor BIM building information model of the residential building engineering.
Preferably, the calculation formula of the comprehensive estimated construction cost of the residential building engineering is
Psi represents the comprehensive estimated construction cost of the residential building project, psiSheetExpressed as the standard cost of the main wall in unit volume in residential building engineering, psi'SheetExpressed as the standard cost of a load-bearing wall per unit volume in a residential building project.
In a second aspect, the present invention also provides an apparatus comprising: the system comprises a processor, a memory and a network interface, wherein the memory and the network interface are connected with the processor; the network interface is connected with a nonvolatile memory in the server; the processor calls the computer program from the nonvolatile memory through the network interface during running, and runs the computer program through the memory so as to execute the BIM building model-based engineering cost evaluation method.
In a third aspect, the present invention further provides a computer storage medium, where a computer program is burned into the computer storage medium, and when the computer program runs in a memory of a server, the method for evaluating engineering cost based on a BIM building model according to the present invention is implemented.
Has the advantages that:
(1) the invention provides a project cost evaluation method, equipment and computer storage medium based on BIM building model, which constructs the BIM building information model of the residential building engineering, divides the BIM building information model into each layer of BIM building information model, lays a foundation for later analysis of the relevant data of each layer of BIM building information model in the residential building engineering, obtains the volumes of each door and window in each main body wall and each door and window in each bearing wall in each layer of BIM building information model in the residential building engineering, reduces the evaluation workload of cost workers, avoids occupying a large amount of working time and energy of the cost workers, further embodies the characteristics of transparency and intuition of each layer of data in the BIM building information model, calculates the actual construction volume of the main body wall and the actual construction volume of the bearing wall in the BIM building information model, thereby reducing the prediction error of the construction cost of the residential building, the construction cost level of the residential building engineering is improved.
(2) The invention analyzes the comprehensive cost correction coefficient of the doors and the windows in each layer of BIM building information model by acquiring the distance between the upper end of each door in each layer of BIM building information model and the corresponding wall top and the installation distance of each window, thereby improving the accuracy of evaluating the construction cost of the residential building, increasing the rationality and scientificity of evaluating the construction cost of the residential building, simultaneously calculating the comprehensive estimated construction cost of the residential building, and displaying the construction cost, thereby visually displaying the construction cost of the residential building and providing an instructive reference basis for later-stage construction cost evaluation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a first aspect of the present invention provides a project cost evaluation method based on a BIM building model, including the following steps:
s1, building an information model: and (4) building a BIM (building information modeling) model of the residential building engineering by importing the design drawing of the residential building engineering.
Specifically, the invention lays a foundation for analyzing the relevant data of each layer of BIM building information model in the residential building engineering in the later period by constructing the BIM building information model of the residential building engineering.
S2, dividing a building information model: the BIM building information model of the residential building engineering is divided into BIM building information models of each layer, and numbering is carried out in sequence according to a set sequence.
In this embodiment, the step S2 includes dividing the BIM building information models of the residential building engineering into building information models of each floor according to the building floor height, and numbering the building information models of each floor sequentially from low to high, where the number of the building information models of each floor in the residential building engineering is 1, 2.
S3, obtaining the volume of the door and the window in the main wall: the volumes of all doors and windows in all main body walls in all layers of BIM building information models of residential building engineering are respectively obtained, and the total volume of the doors and the total volume of the windows in the main body walls of all layers of BIM building information models are analyzed.
In this embodiment, the step S3 includes the following steps:
s31, obtaining the volume of each door in each main body wall in each layer of BIM building information model, and forming a volume set of each door in each main body wall in each layer of BIM building information model
Expressed as the volume of the p door in the j main body wall in the ith layer of BIM building information model, wherein j is 1, 2.
S32, calculating the total volume of the doors in the main body wall of each layer of BIM building information model
ViXGeneral assemblyExpressed as the total volume of the doors in the main body wall of the ith layer of BIM building information model;
s33, obtaining the volume of each window in each main body wall in each layer of BIM building information model, and forming a volume set of each window in each main body wall in each layer of BIM building information model
The volume of the r-th window in the j-th main body wall in the ith layer of BIM building information model is represented;
s34, calculating the total volume of the windows in the main body wall of each layer of BIM building information model
ViYGeneral assemblyExpressed as the total volume of windows in the main body wall of the ith layer of BIM building information model.
S4, obtaining the volume of the door and the window in the bearing wall: the volume of each door and window in each bearing wall in each layer of BIM building information model of the residential building engineering is respectively obtained, and the total volume of the doors and the total volume of the windows in the bearing walls of each layer of BIM building information model are analyzed.
In this embodiment, the step S4 includes the following steps:
s41, obtaining the volume of each door in each bearing wall in each layer of BIM building information model, and forming a volume set of each door in each bearing wall in each layer of BIM building information model
Expressed as the volume of the a door in the g bearing wall in the i-th layer BIM building information model, wherein; 1,2,. u;
s42, calculating the total volume of the doors in the bearing wall of each layer of BIM building information model
ViX′General assemblyExpressed as the total volume of the doors in the bearing wall of the ith BIM building information model;
s43, obtaining the volume of each window in each bearing wall in each layer of BIM building information model, and forming a volume set of each window in each bearing wall in each layer of BIM building information model
The volume of the b-th window in the g-th bearing wall in the ith layer of BIM building information model is expressed;
s44, calculating the total volume of the windows in the bearing wall of each layer of BIM building information model
ViYGeneral assembly' is expressed as the total volume of windows in the bearing wall of the ith BIM building information model.
Specifically, the invention reduces the evaluation workload of construction cost personnel by acquiring the volume of each door and window in each main body wall and the volume of each door and window in each bearing wall in each layer of BIM building information model of residential building engineering, avoids occupying a large amount of working time and energy of the construction cost personnel, and further embodies the characteristics of transparency and intuition of data in the BIM building information model.
S5, analyzing the actual construction volume of the building: and calculating the actual construction volume of the main body wall and the actual construction volume of the bearing wall in each layer of BIM building information model in the residential building engineering by extracting the set volume of each main body wall and the set volume of each bearing wall in each layer of BIM building information model in the residential building engineering.
In this embodiment, the calculation formula of the actual construction volume of the main wall in each layer of BIM building information model in the residential building engineering is
VFruit of Chinese wolfberryi is the actual construction volume of the main body wall in the ith layer BIM building information model in the residential building engineering, lambda is the proportion of the volume of the BIM building information model to the actual volume, and VijIs provided withThe set volume of the jth main body wall in the ith layer BIM building information model of the residential building engineering is represented.
In the embodiment, building information of BIM of each floor in the residential building projectThe actual construction volume calculation formula of the bearing wall in the model is
V′Fruit of Chinese wolfberryi is expressed as the actual construction volume, V, of the bearing wall in the ith layer BIM building information model in the residential building engineeringi′gIs provided withThe set volume of the g-th bearing wall in the ith layer BIM building information model of the residential building engineering is represented.
Specifically, the actual construction volume of the main body wall and the actual construction volume of the bearing wall in each layer of BIM building information model are calculated, so that the estimation error of the construction cost of the residential building is reduced, and the construction cost level of the residential building is improved.
S6, acquiring the distance between the upper end of the door and the top of the wall: and analyzing the comprehensive cost correction coefficient of the inner door of each layer of BIM building information model of the residential building engineering by respectively obtaining the distance between the upper end of each door in each layer of BIM building information model of the residential building engineering and the corresponding wall top.
In this embodiment, the step S6 includes the following steps:
s61, obtaining the distance between the upper end of each door in each main body wall in each layer of BIM building information model of residential building engineering and the corresponding wall top, and forming a distance set between the upper end of each door in each main body wall in each layer of BIM building information model and the corresponding wall top
The distance between the upper end of the p door in the j main body wall in the ith layer of BIM building information model and the corresponding wall top is represented;
s62, simultaneously obtaining the distance between the upper end of each door in each bearing wall in each layer of BIM building information model of the residential building engineering and the corresponding wall top, and forming a distance set between the upper end of each door in each bearing wall in each layer of BIM building information module model and the corresponding wall top
The distance between the upper end of the a-th door in the g-th main body wall in the i-th layer BIM building information model and the corresponding wall top is represented;
s63, calculating the comprehensive cost correction coefficient of each layer BIM building information model inner door of the residential building engineering
ξiX is expressed as the comprehensive cost correction coefficient of the inner door of the ith layer BIM building information model of the residential building engineering, HijSign boardExpressed as the standard height, H ', of the j-th main wall in the i-th layer BIM building information model'igSign boardExpressed as the standard height of the g bearing wall in the ith BIM building information model.
S7, obtaining the installation distance of the window: and analyzing the comprehensive cost correction coefficient of the windows in the BIM information models of all the layers of the residential building engineering by respectively obtaining the installation distance of each window in the BIM information models of all the layers of the residential building engineering.
In this embodiment, the step S7 includes the following steps:
s71, obtaining the installation distance of each window in each main body wall in each layer of BIM building information model of residential building engineering, and forming the installation distance set of each window in each main body wall in each layer of BIM building information model
The installation distance of the r-th fan window in the j-th main body wall in the ith layer of BIM building information model is represented;
s72, simultaneously obtaining the installation distance of each window in each bearing wall in each layer of BIM building information model of the residential building engineering, and forming the installation distance set of each window in each bearing wall in each layer of BIM building information model
The installation distance of the b-th window in the g-th bearing wall in the ith layer of BIM building information model is represented;
s73, calculating the comprehensive cost correction coefficient of each layer BIM building information model inner window of the residential building engineering
ξiAnd Y represents the comprehensive cost correction coefficient of the inner window of the ith-floor BIM building information model of the residential building engineering.
Specifically, the comprehensive construction cost correction coefficient of the doors and the windows in each layer of the BIM building information model is analyzed by acquiring the distance from the upper end of each door in each layer of the BIM building information model to the corresponding wall top and the installation distance of each window, so that the evaluation accuracy of the construction cost of the residential building is improved, and the rationality and the scientificity of the construction cost evaluation of the residential building are increased.
S8, analyzing construction cost: the comprehensive estimated construction cost of the residential building engineering is calculated and displayed by extracting the standard construction cost of the main body wall and the bearing wall in unit volume in the residential building engineering.
In this embodiment, the calculation formula of the comprehensive estimated construction cost of the residential building engineering is
Psi represents the comprehensive estimated construction cost of the residential building project, psiSheetExpressed as the standard cost of the main wall in unit volume in residential building engineering, psi'SheetExpressed as the standard cost of a load-bearing wall per unit volume in a residential building project.
Specifically, the comprehensive estimated construction cost of the residential building engineering is calculated and displayed, so that the construction cost of the residential building engineering is visually displayed, and an instructive reference basis is provided for later-stage residential building engineering cost evaluation.
In a second aspect, the present invention also provides an apparatus comprising: the system comprises a processor, a memory and a network interface, wherein the memory and the network interface are connected with the processor; the network interface is connected with a nonvolatile memory in the server; the processor calls the computer program from the nonvolatile memory through the network interface during running, and runs the computer program through the memory so as to execute the BIM building model-based engineering cost evaluation method.
In a third aspect, the present invention further provides a computer storage medium, where a computer program is burned into the computer storage medium, and when the computer program runs in a memory of a server, the method for evaluating engineering cost based on a BIM building model according to the present invention is implemented.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (10)
1. A project cost evaluation method based on a BIM building model is characterized in that: the method comprises the following steps:
s1, building an information model: building a BIM (building information modeling) building information model of the residential building engineering by importing a design drawing of the residential building engineering;
s2, dividing a building information model: dividing BIM building information models of residential building engineering into BIM building information models of each layer, and numbering the BIM building information models in sequence according to a set sequence;
s3, obtaining the volume of the door and the window in the main wall: respectively obtaining the volumes of all doors and windows in all main body walls in all layers of BIM building information models of residential building engineering, and analyzing the total volume of the doors and the total volume of the windows in the main body walls of all layers of BIM building information models;
s4, obtaining the volume of the door and the window in the bearing wall: respectively obtaining the volumes of all doors and windows in all bearing walls in all layers of BIM building information models of residential building engineering, and analyzing the total volume of the doors and the total volume of the windows in the bearing walls of all layers of BIM building information models;
s5, analyzing the actual construction volume of the building: calculating the actual construction volume of the main body wall and the actual construction volume of the bearing wall in each layer of BIM building information model in the residential building engineering by extracting the set volume of each main body wall and the set volume of each bearing wall in each layer of BIM building information model in the residential building engineering;
s6, acquiring the distance between the upper end of the door and the top of the wall: analyzing the comprehensive cost correction coefficient of the inner door of each layer of BIM building information model of the residential building engineering by respectively obtaining the distance between the upper end of each door in each layer of BIM building information model of the residential building engineering and the corresponding wall top;
s7, obtaining the installation distance of the window: analyzing the comprehensive cost correction coefficient of the windows in the BIM information models of all the layers of the residential building engineering by respectively obtaining the installation distance of each window in the BIM information models of all the layers of the residential building engineering;
s8, analyzing construction cost: the comprehensive estimated construction cost of the residential building engineering is calculated and displayed by extracting the standard construction cost of the main body wall and the bearing wall in unit volume in the residential building engineering.
2. The project cost evaluation method based on the BIM building model according to claim 1, characterized in that: the step S2 includes dividing the BIM building information models of the residential building engineering into building information models of each floor according to the building floor height, and numbering the building information models of each floor in sequence from low to high, where the number of the building information models of each floor in the residential building engineering is 1, 2.
3. The project cost evaluation method based on the BIM building model according to claim 1, characterized in that: the step S3 includes the following steps:
s31, obtaining the volume of each door in each main body wall in each layer of BIM building information model, and forming a volume set of each door in each main body wall in each layer of BIM building information model
Expressed as the volume of the p door in the j main body wall in the ith layer of BIM building information model, wherein j is 1, 2.
S32, calculating BIM building information model of each layerTotal volume of door in main body wall
ViXGeneral assemblyExpressed as the total volume of the doors in the main body wall of the ith layer of BIM building information model;
s33, obtaining the volume of each window in each main body wall in each layer of BIM building information model, and forming a volume set of each window in each main body wall in each layer of BIM building information model
The volume of the r-th window in the j-th main body wall in the ith layer of BIM building information model is represented;
s34, calculating the total volume of the windows in the main body wall of each layer of BIM building information model
ViYGeneral assemblyExpressed as the total volume of windows in the main body wall of the ith layer of BIM building information model.
4. The project cost evaluation method based on the BIM building model according to claim 1, characterized in that: the step S4 includes the following steps:
s41, obtaining the volume of each door in each bearing wall in each layer of BIM building information model, and forming a volume set of each door in each bearing wall in each layer of BIM building information model
Expressed as the volume of the a door in the g bearing wall in the i-th layer BIM building information model, wherein; 1,2,. u;
s42, calculating BIM buildings of all floorsTotal volume of door in information model bearing wall
ViX′General assemblyExpressed as the total volume of the doors in the bearing wall of the ith BIM building information model;
s43, obtaining the volume of each window in each bearing wall in each layer of BIM building information model, and forming a volume set of each window in each bearing wall in each layer of BIM building information model
The volume of the b-th window in the g-th bearing wall in the ith layer of BIM building information model is expressed;
s44, calculating the total volume of the windows in the bearing wall of each layer of BIM building information model
ViY′General assemblyExpressed as the total volume of the windows in the bearing wall of the ith BIM building information model.
5. The project cost evaluation method based on the BIM building model according to claim 1, characterized in that: the calculation formula of the actual construction volume of the main body wall in each layer of BIM building information model in the residential building engineering is
VFruit of Chinese wolfberryi is the actual construction volume of the main body wall in the ith layer BIM building information model in the residential building engineering, lambda is the proportion of the volume of the BIM building information model to the actual volume, and VijIs provided withThe set volume of the jth main body wall in the ith layer BIM building information model of the residential building engineering is represented; meanwhile, the calculation formula of the actual construction volume of the bearing wall in each layer of BIM building information model in the residential building engineering is
V′Fruit of Chinese wolfberryi is expressed as the actual construction volume, V, of the bearing wall in the ith layer BIM building information model in the residential building engineeringi′gIs provided withThe set volume of the g-th bearing wall in the ith layer BIM building information model of the residential building engineering is represented.
6. The project cost evaluation method based on the BIM building model according to claim 1, characterized in that: the step S6 includes the following steps:
s61, obtaining the distance between the upper end of each door in each main body wall in each layer of BIM building information model of residential building engineering and the corresponding wall top, and forming a distance set between the upper end of each door in each main body wall in each layer of BIM building information model and the corresponding wall top
The distance between the upper end of the p door in the j main body wall in the ith layer of BIM building information model and the corresponding wall top is represented;
s62, simultaneously obtaining the distance between the upper end of each door in each bearing wall in each layer of BIM building information model of the residential building engineering and the corresponding wall top, and forming a distance set between the upper end of each door in each bearing wall in each layer of BIM building information module model and the corresponding wall top
The distance between the upper end of the a-th door in the g-th main body wall in the i-th layer BIM building information model and the corresponding wall top is represented;
s63, calculating the comprehensive cost correction coefficient of each layer BIM building information model inner door of the residential building engineering
ξiX is expressed as the comprehensive cost correction coefficient of the inner door of the ith layer BIM building information model of the residential building engineering, HijSign boardExpressed as the standard height, H ', of the j-th main wall in the i-th layer BIM building information model'igSign boardExpressed as the standard height of the g bearing wall in the ith BIM building information model.
7. The project cost evaluation method based on the BIM building model according to claim 1, characterized in that: the step S7 includes the following steps:
s71, obtaining the installation distance of each window in each main body wall in each layer of BIM building information model of residential building engineering, and forming the installation distance set of each window in each main body wall in each layer of BIM building information model
The installation distance of the r-th fan window in the j-th main body wall in the ith layer of BIM building information model is represented;
s72, simultaneously obtaining the installation distance of each window in each bearing wall in each layer of BIM building information model of the residential building engineering, and forming the installation distance set of each window in each bearing wall in each layer of BIM building information model
The installation distance of the b-th window in the g-th bearing wall in the ith layer of BIM building information model is represented;
s73, calculating the comprehensive cost correction coefficient of each layer BIM building information model inner window of the residential building engineering
ξ iY is represented as the combined cost correction factor for the inner window of the ith layer BIM building information model of the residential building project.
8. The project cost evaluation method based on the BIM building model according to claim 1, characterized in that: the comprehensive pre-estimation construction cost calculation formula of the residential building engineering is
Psi represents the comprehensive estimated construction cost of the residential building project, psiSheetExpressed as the standard cost of the main wall in unit volume in residential building engineering, psi'SheetExpressed as the standard cost of a load-bearing wall per unit volume in a residential building project.
9. An apparatus, characterized by: the method comprises the following steps: the system comprises a processor, a memory and a network interface, wherein the memory and the network interface are connected with the processor; the network interface is connected with a nonvolatile memory in the server; the processor retrieves a computer program from the non-volatile memory through the network interface when running, and runs the computer program through the memory to execute a BIM-based construction cost evaluation method according to any one of claims 1 to 8.
10. A computer storage medium, characterized in that: the computer storage medium is burned with a computer program, and when the computer program runs in a memory of a server, the method for evaluating engineering cost based on a BIM building model according to any one of claims 1 to 8 is implemented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783384.9A CN113469747A (en) | 2021-07-12 | 2021-07-12 | BIM building model-based engineering cost evaluation method and equipment and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783384.9A CN113469747A (en) | 2021-07-12 | 2021-07-12 | BIM building model-based engineering cost evaluation method and equipment and computer storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113469747A true CN113469747A (en) | 2021-10-01 |
Family
ID=77879737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110783384.9A Withdrawn CN113469747A (en) | 2021-07-12 | 2021-07-12 | BIM building model-based engineering cost evaluation method and equipment and computer storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113469747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114819720A (en) * | 2022-05-19 | 2022-07-29 | 武汉有方设计有限公司 | Capital construction project cost analysis method, system and computer storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050108982A1 (en) * | 2003-11-25 | 2005-05-26 | Robert Formisano | Dynamic residential construction cost estimation process |
| CN112488529A (en) * | 2020-12-02 | 2021-03-12 | 南京佳苏电子商务有限公司 | Engineering cost management system based on big data |
| CN112907281A (en) * | 2021-02-05 | 2021-06-04 | 广东丰帆工程咨询有限公司 | Engineering cost management method and system based on BIM technology |
-
2021
- 2021-07-12 CN CN202110783384.9A patent/CN113469747A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050108982A1 (en) * | 2003-11-25 | 2005-05-26 | Robert Formisano | Dynamic residential construction cost estimation process |
| CN112488529A (en) * | 2020-12-02 | 2021-03-12 | 南京佳苏电子商务有限公司 | Engineering cost management system based on big data |
| CN112907281A (en) * | 2021-02-05 | 2021-06-04 | 广东丰帆工程咨询有限公司 | Engineering cost management method and system based on BIM technology |
Non-Patent Citations (3)
| Title |
|---|
| 吴佐梁等: "基于统筹法的造价应用――以闽南理工3#综合楼为例", 《建材与装饰》 * |
| 孙晓?: "基于BIM技术的绿色建筑工程造价快速估算研究", 《散装水泥》 * |
| 王佩: "基于BIM和虚拟现实技术的建筑工程设计优化", 《微型电脑应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114819720A (en) * | 2022-05-19 | 2022-07-29 | 武汉有方设计有限公司 | Capital construction project cost analysis method, system and computer storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Balali et al. | Integration of ELECTRE III and PROMETHEE II decision-making methods with an interval approach: Application in selection of appropriate structural systems | |
| Tubaldi et al. | A probabilistic performance-based risk assessment approach for seismic pounding with efficient application to linear systems | |
| Xu et al. | A prediction method of building seismic loss based on BIM and FEMA P-58 | |
| CN111400371A (en) | Voltage correlation verification-based user variable relationship identification method | |
| CN112884320B (en) | Foundation pit risk assessment method, device, equipment and medium based on entropy model | |
| CN113469747A (en) | BIM building model-based engineering cost evaluation method and equipment and computer storage medium | |
| CN110895495A (en) | Human error analysis method, system, computer device and storage medium | |
| CN201229289Y (en) | Corrosion predicting device | |
| Vetr et al. | Seismic evaluation of rocking structures through performance assessment and fragility analysis | |
| Abdelmohsen et al. | Automated cost analysis of concept design BIM models | |
| Michel et al. | Deriving fragility functions from bilinearized capacity curves for earthquake scenario modelling using the conditional spectrum | |
| Saad et al. | Investigating the reliability of building energy models: Comparative analysis of the impact of data pipelines and model complexities | |
| Mucedero et al. | Generalised Storey Loss Functions for Seismic Loss Assessment of Italian Residential Buildings | |
| Olivito et al. | SHM systems applied to the built heritage inventory at the territorial scale. A preliminary study based on CARTIS approach | |
| CN114095335A (en) | Network alarm processing method and device and electronic equipment | |
| Lombardi et al. | Derivation of fragility curves at design stage through linear time-history analysis | |
| Manafpour et al. | A rapid analysis procedure for estimating the seismic collapse capacity of moment resisting frames | |
| CN115797960A (en) | Analysis system and method based on engineering drawing | |
| Mohammadzadeh Osalu et al. | Optimal Performance-Based Configurations of Stiffness and Strength Centers in Multi-Story Wall-Frame Asymmetric Buildings Including Soil–Structure Interaction Effects | |
| Chang et al. | Planning and monitoring of building energy demands under uncertainties by using IoT data | |
| CN115600094A (en) | Data analysis method for heterogeneous fusion networking equipment | |
| CN107463531A (en) | Fluctuation data missing values processing method and processing device based on branch mailbox gray prediction | |
| Sankaranarayanan | Seismic response of acceleration-sensitive nonstructural components mounted on moment-resisting frame structures | |
| CN114492996A (en) | Water taking tunnel progress risk analysis method considering emotion factors | |
| Martins | Earthquake damage and loss assessment of reinforced concrete buildings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211001 |
|
| WW01 | Invention patent application withdrawn after publication |