1. A building full life cycle environmental impact evaluation management method based on BIM technology is characterized by comprising the following steps:

establishing a digital model of the entity project at different stages by using a BIM technology;

selecting an evaluation range of quantitative evaluation from the digital model according to an optimized selection method;

establishing a decision analysis model of the whole life environment cycle by combining the evaluation range;

and performing integrated analysis and comparison on the analysis results of the different stages, and judging key influence factors of the entity project to obtain an actual reference scheme.

2. The BIM technology-based building full-life-cycle environmental impact evaluation management method as claimed in claim 1, characterized in that: the establishing of the digital model of the entity item at different stages comprises,

the different phases include a planning phase, a design phase, a construction phase and an operation phase.

3. The building full-life-cycle environmental impact evaluation management method based on the BIM technology as claimed in claim 1 or 2, wherein: the evaluation range of the selected quantitative evaluation comprises,

when the full life environment cycle is analyzed, the analysis process comprises sunshine analysis, climate analysis, low carbon analysis, energy consumption analysis, lighting analysis, electromechanical system analysis and structure analysis, under different stages of the entity project, the analysis data in each stage are optimally selected by an optimal selection method, and the change data are selected as the evaluation range.

4. The BIM technology-based building full-life-cycle environmental impact evaluation management method as claimed in claim 3, characterized in that: the optimization selection method comprises the following steps of,

arranging various data in sequence, unifying units, expressing the data in a digital form, taking data required by all analysis processes as an evaluation range when a decision analysis model is established in the planning stage, establishing the decision analysis model, and storing the evaluation range and an analysis result into a database; when the design stage is analyzed, comparing each item of data with the data in the database, focusing the same data elements in sequence, taking the changed data as an evaluation range, establishing a decision analysis model, and storing the evaluation range and the decision analysis model of the design stage into the database; the selection of the evaluation range of the construction stage and the operation stage is the same as the selection method of the design stage.

5. The BIM technology-based building full-life-cycle environmental impact evaluation management method as claimed in claim 4, wherein: the ordering of the items of data includes,

and carrying out letter labeling on the data according to the sunshine, climate, low carbon, energy consumption, lighting, an electromechanical system and structural data of each item of data, and sequentially labeling the data as A-G.

6. The BIM technology and full life cycle based environmental impact management evaluation method according to claims 1-2 and 4-5, wherein: the decision-making analysis model includes a model of,

index analysis is carried out on the analysis process in the whole life environment cycle through different indexes, and the influence of the related materials of the entity project on various environments is evaluated.

7. The BIM technology-based building full-life-cycle environmental impact evaluation management method according to claim 6, characterized in that: the different indicators may include, for example,

the five levels of index types specifically include a first index type: environmental acidification contaminant index, second index type: eutrophication index and the third index type: greenhouse effect index, fourth index type: ozone layer depletion level indicator and fifth indicator type: smoke contaminant indicators.

8. The BIM technology-based building full-life cycle environmental impact evaluation management method as claimed in any one of claims 4, 5 and 7, wherein: the integrated analytical comparison includes a comparison of the analysis,

and determining the classification reference value of each evaluation index according to the analysis result of the decision analysis model, and judging the influence of the environmental comprehensive index on the basis of the index calculation result, wherein the same data at different stages only needs to be analyzed once.

9. The BIM technology-based building full-life-cycle environmental impact evaluation management method of claim 8, wherein: the key influencing factors of the entity items are judged to be environment-friendly relevant factors including,

planning requirements for project implementation, regional environment, unnecessary environmental pollution and energy consumption.

Background

The full life cycle assessment is a process for evaluating environmental loads related to the whole life cycle period from raw material collection to product production, transportation, sale, use, recovery, maintenance and final disposal, and life cycle analysis is sometimes called life cycle assessment, life cycle method, cradle to grave, ecological balance and the like, and is now a widely used product environmental characteristic analysis and decision support tool, and the life cycle analysis shows that in addition to the important environmental countermeasures for controlling water pollution, important environmental influences generated in other aspects in the whole life cycle of a wastewater treatment plant must be considered, which relate to the whole process of facility design, material and energy acquisition, construction process, operation management and scrapping and removal, the technology, Economic, social and psychological factors are linked to environmental protection.

The significant advantage of the combination of the BIM and the full life cycle enables the BIM to be widely applied to the evaluation of the full life cycle of the building, in the related research of the current building field, the evaluation result of the full life cycle is further quantified through a BIM technical construction project 3D model, but in the construction cycle, the related materials are numerous, and in the connection process of the construction model and the full life cycle, the modeling process is complex, the cycle is long, and the working efficiency is low.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above-mentioned problems occurring in the conventional environmental impact management analysis method.

Therefore, the technical problem solved by the invention is as follows: in the related research in the current building field, the information in the BIM database and the environmental impact evaluation analysis of the LCA concept are difficult to integrate, and in the building period, the related materials are numerous, in the connection process of the building model and the whole life cycle, the modeling process is complex, the period is long, so that the analysis results of the BIM model data and the comprehensive environmental impact evaluation generate difference, and the working efficiency is reduced.

In order to solve the technical problems, the invention provides the following technical scheme: establishing a digital model of the entity project at different stages by using a BIM technology; selecting an evaluation range of quantitative evaluation from the digital model according to an optimized selection method; establishing a decision analysis model of the whole life environment cycle by combining the evaluation range; and performing integrated analysis and comparison on the analysis results of the different stages, and judging key influence factors of the entity project to obtain an actual reference scheme.

As a preferable scheme of the building full-life-cycle environmental impact evaluation management method based on the BIM technology, the method comprises the following steps: the establishing of the digital model of the entity project under different stages comprises the following steps of planning, designing, constructing and operating stages.

As a preferable scheme of the building full-life-cycle environmental impact evaluation management method based on the BIM technology, the method comprises the following steps: the evaluation range of the selected quantitative evaluation comprises that when the whole life environment cycle is analyzed, the analysis process comprises sunshine analysis, climate analysis, low carbon analysis, energy consumption analysis, lighting analysis, electromechanical system analysis and structure analysis, under different stages of the entity project, an optimization selection method is utilized to optimize and select the analysis data in each stage, and the change data is selected as the evaluation range.

As a preferable scheme of the building full-life-cycle environmental impact evaluation management method based on the BIM technology, the method comprises the following steps: the optimization selection method comprises the steps of sequentially arranging various data, unifying units, representing the data in a digital form, taking data required by all analysis processes as an evaluation range when a decision analysis model is established in the planning stage, establishing the decision analysis model, and storing the evaluation range and an analysis result into a database; when the design stage is analyzed, comparing each item of data with the data in the database, focusing the same data elements in sequence, taking the changed data as an evaluation range, establishing a decision analysis model, and storing the evaluation range and the decision analysis model of the design stage into the database; the selection of the evaluation range of the construction stage and the operation stage is the same as the selection method of the design stage.

As a preferable scheme of the building full-life-cycle environmental impact evaluation management method based on the BIM technology, the method comprises the following steps: the data are arranged in sequence and comprise sunlight, climate, low carbon, energy consumption, lighting, an electromechanical system and structural data, the data are subjected to letter labeling, and the data are marked as A-G in sequence.

As a preferable scheme of the building full-life-cycle environmental impact evaluation management method based on the BIM technology, the method comprises the following steps: the decision analysis model comprises the steps of carrying out index analysis on the analysis process in the whole life environment period through different indexes and evaluating the influence of entity project related materials on various environments.

As a preferable scheme of the building full-life-cycle environmental impact evaluation management method based on the BIM technology, the method comprises the following steps: the different indexes include five grades of index types, specifically including a first index type: environmental acidification contaminant index, second index type: eutrophication index and the third index type: greenhouse effect index, fourth index type: ozone layer depletion level indicator and fifth indicator type: smoke contaminant indicators.

As a preferable scheme of the building full-life-cycle environmental impact evaluation management method based on the BIM technology, the method comprises the following steps: the integrated analysis comparison comprises the steps of determining the classification reference value of each evaluation index according to the analysis result of the decision analysis model, judging the influence of the environmental comprehensive index on the basis of the index calculation result, and analyzing the same data at different stages only once.

As a preferable scheme of the building full-life-cycle environmental impact evaluation management method based on the BIM technology, the method comprises the following steps: and judging that the key influence factors of the entity project are environmental protection related factors, including planning requirements of project implementation, regional environment, unnecessary environmental pollution and energy consumption.

The invention has the beneficial effects that: the BIM technology is connected with the full-life-cycle environmental influence evaluation model, so that the high-performance analysis of the full-life-cycle environmental cycle of the entity project is quickly completed in different stages, the integration degree of data is higher, and the environmental comprehensive index influence result expression is more accurate; and data are optimized and selected between the BIM technology and the full life cycle environmental impact evaluation model, so that the optimization process of each stage is simplified, the analysis pressure of the full life cycle is reduced, and the environmental analysis efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be 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 to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a basic flowchart of a building full-life-cycle environmental impact evaluation management method based on a BIM technology according to a first embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with figures are described in detail below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, for an embodiment of the present invention, a building full-life-cycle environmental impact evaluation management method based on a BIM technology is provided, including:

s1: and building a digital model of the entity project at different stages by using a BIM technology. In which it is to be noted that,

the different phases include a planning phase, a design phase, a construction phase and an operation phase.

Further, the planning phase includes: BIM model maintenance, site analysis and physical facility planning;

the design stage includes: scheme demonstration, parametric design, performance analysis, workload statistics, visual collaborative design and digital modeling;

the construction stage comprises: construction simulation and material tracking;

the operation phase comprises the following steps: maintenance planning, asset and space management, physical facility system analysis, and physical facility modification.

S2: and selecting an evaluation range of quantitative evaluation from the digital model according to an optimized selection method. In which it is to be noted that,

the evaluation range of the quantitative evaluation is selected, when the whole life environment cycle analysis is carried out, the analysis process comprises sunshine analysis, climate analysis, low carbon analysis, energy consumption analysis, lighting analysis, electromechanical system analysis and structure analysis, the analysis data in each stage is optimally selected by using an optimal selection method under different stages of the entity project, and the change data is selected as the evaluation range.

Further, the data in the analysis process comprises sunlight, climate, low carbon, energy consumption, lighting, electromechanical systems and structural data, the data are subjected to letter labeling and are arranged in sequence, and letter numbers of the data are labeled from A to G according to the sequence of the analysis process.

Furthermore, the optimization selection method includes that each item of data is arranged in sequence and is represented in a digital form after being unified, for example: in the case of sunshine, the average day time of sunshine in the planning phase is 12h, which is denoted as A12.

When a decision analysis model is established in a planning stage, taking data required by all analysis processes as an evaluation range, establishing the decision analysis model, and storing the evaluation range and an analysis result into a database; when the design stage is analyzed, various data are compared with data in a database, the same data elements are focused in sequence, changed data are used as an evaluation range, a decision analysis model is established, and the evaluation range and the decision analysis model of the design stage are stored in the database; the selection of the evaluation range in the construction stage and the operation stage is the same as the selection method in the design stage.

Taking an analysis process only comprising a sunlight, energy consumption and lighting analysis part as an example, in a planning stage according to letter numbers and a digital form, respectively taking analysis data of sunlight, energy consumption and lighting as A10, D2340 and E80, establishing a decision analysis model for analysis by taking the data as an evaluation range of the planning stage, and storing the analysis data and a result into a database; in the design stage, the analysis data of sunlight, energy consumption and sunlight are respectively A12, D3470 and E80, the data are compared with the original database, the same data elements E80 are focused in sequence, and the change data A12 and D3470 are used as the evaluation range in the design stage to establish a decision analysis model.

S3: and establishing a decision analysis model of the whole life environment cycle by combining the evaluation range. In which it is to be noted that,

the decision analysis model comprises the steps of carrying out index analysis on the analysis process in the whole life environment cycle through different indexes, and evaluating the influence of entity project related materials on various environments, wherein the different indexes comprise five grades of index types, specifically comprise a first index type: environmental acidification contaminant index, second index type: eutrophication index and the third index type: greenhouse effect index, fourth index type: ozone layer depletion level indicator and fifth indicator type: smoke contaminant indicators.

Further, the calculation formula of the index analysis in the analysis process can be expressed as:

wherein: r is the index value consistency ratio, lambda_maxFeeding back the maximum value of the evaluation variable for each index type, gamma being the normalized value of each index, if R<And 0.3, considering that the index type environment comprehensive index has small influence.

S4: and performing integrated analysis and comparison on the analysis results in different stages, and judging key influence factors of the entity items so as to obtain an actual reference scheme. In which it is to be noted that,

the integrated analysis comparison comprises the steps of determining the classification reference value of each evaluation index according to the analysis result of the decision analysis model, judging the influence of the environmental comprehensive index on the basis of the index calculation result, and analyzing the same data at different stages only once.

Further, the key influencing factors of the entity project are judged to comprise planning requirements of project implementation, regional environment, unnecessary environmental pollution and energy consumption.

The existing decision analysis method constructs a building model, defines the relation between the model and building materials from the perspective of the whole life cycle, considers the influence of building projects on the natural environment from the production, operation and recovery stages, and constructs a hierarchical structure evaluation frame to evaluate from three aspects of environment indexes, technical indexes and cost indexes during the construction of the model, so that the environmental influence generated in different stages of engineering construction can be systematically analyzed and calculated, and the materials can be improved and optimized in a targeted manner.

The method combines an optimization selection method, selects a proper range from a large amount of data, reduces the calculated amount of a system during analysis at different stages, integrates and analyzes the data at all stages during decision analysis, selects key influence factors of entity items, reduces the data amount in the operation process, improves the overall working efficiency, and can also obtain the key factors influencing the overall scheme from the overall situation to further optimize the decision analysis result.

Example 2

In another embodiment of the present invention, to verify and explain the technical effects adopted in the method, the embodiment adopts a decision analysis method of traditional environmental impact analysis to perform a comparison test with the method of the present invention, and compares the test results by means of scientific demonstration to verify the real effect of the method.

Utilizing bim technology modeling software, including Guangdong, Luban and revit, a plurality of software are mutually matched to complete the processes of model establishment, data analysis and decision analysis, when the engineering quantity is extracted, because field errors can not be fully considered, the field data is usually collected to analyze and compare, when the life cycle analysis is carried out, the experiment comprises a planning stage, a design stage, a construction stage and an operation stage, the traditional method and the experiment comparison of the invention are carried out aiming at the analysis condition of each stage, wherein the experiment provides 100 parts of field data for experts engaged in structural design, engineering construction, environment and economics, the decision analysis results of the two methods are compared with the expert results, the accuracy and the used time of the weight division of all the components of the system are compared, and the experiment results are shown in the following table 1:

table 1: and (5) comparing the results of the experiment of the environmental impact analysis.

As can be seen from Table 1, the weight values of the environmental impact factors measured and calculated by the method of the present invention are slightly close to the expert evaluation results compared with the conventional method, and the time consumed by the conventional decision analysis method is about 3 times of the time consumed by the present invention when performing measurement and calculation, so the method of the present invention significantly reduces the decision analysis time and improves the efficiency of the decision analysis.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.