CN111581818A - BIM technology-based construction site layout optimization method - Google Patents
BIM technology-based construction site layout optimization method Download PDFInfo
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Abstract
A construction site layout optimization method based on a BIM technology comprises the following steps: decomposing a construction site layout, and decomposing the construction site layout into single modules according to construction; building a monomer module database, and respectively modeling the monomer modules in the step S1 by using a BIM technology to form the BIM monomer module database; constructing a BIM construction site layout drawing; simulating a BIM construction site layout, namely simulating a construction process in the BIM construction site layout by using a three-dimensional animation simulation technology to find unreasonable construction site layout; and optimizing a BIM construction site layout diagram. The BIM technology is applied to the optimization of the construction site layout, the simulation reduction can be carried out on the construction site layout condition in a three-dimensional simulation mode, and the defects in the construction site layout can be found out more intuitively.
Description
Technical Field
The invention relates to a construction site layout optimization method, in particular to a construction site layout optimization method based on a BIM technology.
Background
The traditional construction site layout is generally a qualitative design made according to construction experience, and is drawn and modified by CAD software, the method has the problems of slow drawing, non-intuition and the like, the possible unreasonable part of the construction process is difficult to be seen visually, the data resources of the site layout are scattered, the layout is not scientific and comprehensive enough, and the construction personnel can not understand the aspects of engineering characteristics, technical quality requirements, construction method and measure safety and the like in an on-the-spot manner, grasp the possible risk in the construction process and further bring the construction safety risk.
Disclosure of Invention
In order to solve the problems, the invention provides a construction site layout optimization method based on a BIM technology, which comprises the following steps:
s1: decomposing a construction site layout, and decomposing the construction site layout into a plurality of single maps according to a preset first classification mode;
s2: constructing a monomer map model database, and respectively modeling the monomer maps by using a BIM technology to obtain a plurality of monomer map models so as to form the BIM monomer map model database containing all monomer map models in the construction site layout;
s3: constructing a BIM construction site layout drawing, and arranging each monomer map model in the BIM monomer map model database at a corresponding position according to the construction site layout drawing to form the BIM construction site layout drawing;
s4: simulating a BIM construction site layout, namely simulating the construction process of the BIM construction site layout by utilizing a three-dimensional animation simulation technology according to the BIM construction site layout so as to find unreasonable construction site layout;
s5: and optimizing the BIM construction site layout drawing, and optimizing the unreasonable construction site layout to obtain the optimized BIM construction site layout drawing.
Further, step S1 specifically includes:
according to the classification mode of buildings, roads, construction equipment, material storage areas and processing areas, the construction site layout drawing is decomposed into a building single drawing, a road single drawing, a construction equipment single drawing, a material storage area single drawing and a processing area single drawing.
Further, before the step S2 and after the step S1, the method further includes:
s11: decomposing the monomer map into a plurality of monomer elements according to a preset second classification mode;
step S2 specifically includes:
s21: constructing a monomer element model database, and respectively modeling the plurality of monomer elements by using a BIM technology to form a BIM monomer element model database containing all monomer element models in the construction site layout;
s22: and combining the monomer element models to form a monomer map model.
Further, step S11 is specifically:
s11: and decomposing the building unit map into the building element unit and the building material unit according to the classification mode of the building element unit and the building material unit.
Further, step S3 is specifically to construct BIM job site layout maps of different stages according to different construction stages respectively.
Further, the step S3 is specifically:
s31: constructing a basic stage BIM construction site layout drawing, extracting a monomer drawing required by a construction basic stage in the construction site layout drawing to obtain a basic stage monomer drawing model, and arranging the basic stage monomer drawing model at a corresponding position to form a basic stage BIM construction site layout drawing;
s32: constructing a main stage BIM construction site layout drawing, extracting a monomer drawing required by a construction main stage in the construction site layout drawing to obtain a main stage monomer drawing model, and arranging the main stage monomer drawing model at a corresponding position to form a main stage BIM construction site layout drawing;
s33: constructing a BIM construction site layout drawing in a decoration stage, extracting a monomer drawing required by the construction decoration stage in the construction site layout drawing to obtain a monomer drawing model in the decoration stage, and arranging the monomer drawing model in the decoration stage at a corresponding position to form the BIM construction site layout drawing in the decoration stage;
further, the unjustified site layout in the step S4 includes a site layout having a construction risk.
Further, after the step S5, the method further includes a step S6:
s6: and constructing a construction plan database, decomposing the construction plan of the construction site layout drawing into construction plan data, and importing the construction plan data into the BIM to form the construction plan database.
Further, the construction plan data includes at least one of construction stage, construction time, constructor, construction equipment, and construction material.
Further, after the step S5, the method further includes a step S7:
s7: and (4) optimizing for multiple times, and circularly executing the steps S3-35 for at least two times.
The invention provides a construction site layout optimization method based on BIM technology, which can simulate the layout of a construction site according to a BIM model and three-dimensional simulation, optimize the layout of the construction site according to a simulation result, simultaneously realize the seamless lap joint of the foundation, the main body and the construction site layout at the decoration and finishing stage by comparing the layout of the construction site at different stages and setting a danger zone, avoid the unreasonable layout when the previous stage is finished and the next stage is started, further optimize the layout of the construction site, combine the construction progress and the layout of the construction site, optimize the construction plan by optimizing the layout of the construction site, apply the BIM technology to the optimization of the layout of the construction site, and perform simulation reduction on the layout condition of the construction site by the three-dimensional simulation, the defects in construction site arrangement can be found out more intuitively, and constructors can know the conditions of a construction site more easily.
Drawings
Fig. 1 is a flowchart of a construction site layout optimization method based on the BIM technique proposed in this embodiment 1.
Detailed Description
The invention will now be described in further detail with reference to fig. 1, in order that the present disclosure and its advantages in various aspects may be better understood. In the following examples, the following detailed description is provided for the purpose of providing a clear and thorough understanding of the present invention, and is not intended to limit the invention.
Example 1
The invention provides a BIM technology-based construction site layout optimization method, as shown in FIG. 1, comprising the following steps:
the method comprises the steps of firstly, decomposing a construction site layout drawing, and decomposing the construction site layout drawing into a plurality of single drawings according to a preset first classification mode.
The preset first classification mode may be classified according to the specific situation of the construction site layout, in this embodiment, the classification method of decomposing the construction site layout into the building unit map, the road unit map, the construction equipment unit map, the material storage area unit map and the processing area unit map according to the classification mode of the building, the road, the construction equipment, the material storage area and the processing area is only described as an example, and other classifications may be performed, for example, decomposing the construction site layout into the construction area unit map, the living area unit map and the processing area unit map according to the classification mode of the construction area, the living area and the office area. The purpose of decomposing the construction site layout drawing into the single drawing is to recombine and arrange the construction site layout drawing in a standardized and modularized manner in the BIM, so that the BIM construction site layout drawing is modified more flexibly, and the optimization efficiency is improved.
In this embodiment, in order to further improve the optimization efficiency of the BIM job site layout, the single map may be further standardized and modularly decomposed to obtain single elements. Namely, the monomer map is decomposed into a plurality of monomer elements according to a preset second classification mode.
Like the unit map, the unit elements may also be decomposed according to the details of the construction site layout map, for example, according to the classification manner of the building element unit elements and the building material unit elements, the building unit map is decomposed into the building element unit elements and the building material unit elements. (ii) a The building component single element mainly refers to a component structure of a building, such as a beam structure, a column structure, a steel bar structure and the like, and the building material single element only refers to various materials which can be used for building the building, such as concrete, natural stone, copper, iron, plastics, paint and the like.
And secondly, constructing a monomer map model database, and modeling the monomer maps in the step S1 by using a BIM technology to form a BIM monomer map model database containing all monomer map models in the construction site layout.
And modeling the monomer map by using a BIM technology to form a monomer map model database, so that a construction site layout designer can find a required model from the monomer map model database when using BIM simulation, thereby rapidly completing the layout of the three-dimensional BIM construction site. For modeling the monomer map, the following two ways can be used.
(1) For the monomer map which can be continuously decomposed into monomer elements, constructing a monomer element model database, and modeling the plurality of monomer elements by using a BIM technology to form a BIM monomer element model database containing all monomer element models in the construction site layout map; and selecting available and corresponding monomer element models from the monomer element model database, and combining the monomer element models to form a monomer map model. For example, extracting beams as building member monomer elements and extracting concrete as building material monomer elements, and combining to obtain a beam monomer map model; and extracting the monomer diagrams of the beam, the column, the assembled shear wall and the like to form a building monomer diagram.
(2) And directly modeling the monomer map without the corresponding available model in the monomer element model database.
And thirdly, constructing a BIM construction site layout drawing, and arranging each monomer map model in the BIM monomer map model database at a corresponding position according to the construction site layout drawing in the step S1 to form the BIM construction site layout drawing. For example, a building, a construction road, a steel bar processing shed, a woodworking processing shed, power distribution equipment, a crane tower, a truck and the like to be constructed are laid according to drawings.
In the second step, the construction of the monomer map model database is completed, so that the corresponding model can be directly lifted from the monomer map model database in the step, and the three-dimensional BIM construction site layout can be constructed. And extracting a building monomer map, a construction road monomer map, a steel bar processing shed monomer map, a woodworking processing shed monomer map, a power distribution equipment monomer map, a crane tower monomer map and a truck monomer map to form a BIM construction site layout map.
In addition, when the BIM construction site layout drawing is constructed, a construction dangerous area in a construction site can be set according to specific construction conditions. The construction dangerous area is an area with potential safety hazards in the construction process, and different levels of construction dangerous areas can be set according to the potential safety hazards.
In this embodiment, a construction equipment travel path area and a high-voltage application area are set as a first-level construction danger zone, i.e., an area with the highest danger level. The construction equipment running path area is a circular area which takes construction equipment as a circle center and takes a specific distance as a radius, the area is moved according to a preset construction route of the construction equipment, the construction equipment comprises a tower crane, a truck and the like, the specific distance is adjusted according to actual construction conditions, for example, for the tower crane, the specific distance can be set to be a larger numerical value, such as 1m, 2m, 3m and the like, and for the truck, the specific distance can be set to be a smaller numerical value, such as 0.3m, 0.4m, 0.5m and the like; the high-voltage application area is a circular area formed by taking a high-voltage device as a center and taking a specific distance as a radius, the high-voltage device is a device using high voltage, such as a high-voltage distribution cabinet, a transformer and the like, the specific distance is adjusted according to actual construction conditions, particularly can be adjusted according to the magnitude of voltage, for example, for a device with higher voltage, such as 10kv high-voltage device, the specific distance can be set to a larger value, such as 1m, 1.5m, 2m and the like, and for a device with lower voltage, such as 1kv high-voltage device, the specific distance can be set to a smaller value, such as 0.5m, 1m, 1.5m and the like.
In the present embodiment, the machining area is set as a secondary construction risk area, i.e., an area having the second highest risk level. The processing area refers to an area having a processing function at a construction site, such as a rebar processing shed, a woodworking processing shed, and the like. When the processing area is set as a dangerous area, only the range of the processing area may be set as the dangerous area, or the processing area and an area where the edge of the processing area extends outward by a specific distance may be set as the dangerous area, the specific distance may be set according to actual conditions, and may be set as 0.5m, 1m, 2m, and the like, for example, an area where the steel bar processing shed and the steel bar processing shed extend outward by 2m is used as the dangerous area, and an area where the woodworking processing shed and the woodworking processing shed extend outward by 1m is used as the dangerous area.
In this embodiment, the areas other than the first-stage construction dangerous area and the second-stage construction dangerous area are used as common dangerous areas.
Further, a danger coefficient is set according to the first-level construction danger area, the second-level construction danger area and the common danger area, and the arrangement of monitoring equipment on a construction site is optimized according to the danger coefficient, and the method specifically comprises the following steps:
a risk factor is determined. The danger coefficient is from 0 to 9, the danger coefficient of the primary danger zone is set to be the highest value 9, the danger coefficient of the secondary danger zone is set to be the next highest value 6, and the danger coefficient of the common danger zone is set to be 3. And taking any one of the primary danger area, the secondary danger area and the common danger area as a circle center, presetting a radiation distance as a radius, and making a circle, wherein the danger coefficient of the area in the circle is the same as that of the primary danger area or the secondary danger area, namely 9, 6 or 3. The preset radiation distance is specifically set according to actual conditions, such as 5m, 10m, 20m and the like. And (3) taking the first-stage dangerous area as a circle center, respectively taking N times and N-1 times (N is 2,3 and … …) of the preset radiation distance as radiuses, and making a ring, wherein the danger coefficient of the inner region is the danger coefficient of the first-stage dangerous area minus N-1 or the danger coefficient of the second-stage dangerous area minus 3 (N-1). And (3) taking the secondary danger zone as a circle center, respectively taking N times and N-1 times (N is 2,3 and … …) of the preset radiation distance as radiuses, and making a ring, wherein the danger coefficient of the inner region is the danger coefficient of the primary danger zone minus N-1 or the danger coefficient of the secondary danger zone minus 2 (N-1). And (3) taking the common danger area as a circle center, respectively taking N times and N-1 times (N is 2,3 and … …) of the preset radiation distance as radiuses, and making a ring, wherein the danger coefficient of the inner region is the danger coefficient of the first-level danger area minus N-1 or the danger coefficient of the second-level danger area minus (N-1). In addition, when at least two danger coefficients are set in a certain area according to the first-level construction danger area, the second-level construction danger area and the common danger area, the danger coefficients of the at least two danger coefficients are superposed to serve as the danger coefficients of the area.
For example, the preset radiation distance is 10m, and if a certain region is located in a range 20-30m away from the primary dangerous region, that is, in an annular region range with the primary dangerous region as a center and with radii of 2 times and 3 times of the radiation distance, the danger coefficient of the region is 9-3X 2-3; if a certain area is located in a range 10m-20m away from the secondary dangerous area, namely in an annular area range which takes the secondary dangerous area as a center of a circle and takes 1 time and 2 times of radiation distance as a radius, the danger coefficient of the area is 6-2X 1-4; if a region is located within a range of 10m to 20m from the secondary risk region and also within a range of 20m to 30m from the general risk region, the risk factor of the region is (6-2X1) + (3-1X2) ═ 5.
And optimizing the arrangement of monitoring equipment on the construction site according to the risk coefficient. Setting a first risk coefficient threshold value and a second risk coefficient threshold value, and if the risk coefficient of a certain area is greater than or equal to the first risk coefficient threshold value, performing high-safety inspection and monitoring backup arrangement on the area, for example, arranging a plurality of cameras, sensors and other field monitoring devices according to the number of constructors, and arranging a plurality of broadcasting devices; if the risk coefficient of a certain area is greater than or equal to the second risk coefficient threshold and smaller than the first risk coefficient threshold, performing secondary high-safety monitoring equipment arrangement on the area, for example, arranging a camera or/and a sensor, and arranging a plurality of broadcasting equipment; if the risk coefficient of a certain area is smaller than the second risk coefficient threshold value, low-safety monitoring equipment arrangement is carried out on the area, for example, monitoring equipment such as a camera or a sensor is not arranged, and only broadcasting equipment is arranged.
By the method, the arrangement of the monitoring equipment on the construction site is reasonably optimized, and the cost is saved while the safety monitoring on the construction site is improved.
In addition, the third step may be to construct BIM job site layout maps of different stages according to different construction stages, that is, the third step specifically is to:
s31: and constructing a basic stage BIM construction site layout drawing, extracting a monomer drawing required by the construction basic stage in the construction site layout drawing to obtain a basic stage monomer drawing, and arranging the basic stage monomer drawing model at a corresponding position to form a basic stage BIM construction site layout drawing.
The foundation stage is an initial stage of construction, and the stage mainly needs to complete the arrangement of some infrastructures, for example, a monomer map required by the foundation stage mainly comprises: the system comprises a piling machine, a steel bar processing room, a cement storehouse, gravel stacking, temporary drainage equipment, a temporary sump pit, and a power-on water and road.
S32: and constructing a main stage BIM construction site layout drawing, extracting a monomer drawing required by a construction main stage in the construction site layout drawing to obtain a main stage monomer drawing, and arranging the main stage monomer drawing model at a corresponding position to form the main stage BIM construction site layout drawing.
The main stage is a middle stage of construction, the main stage mainly completes the building main body required to be constructed, for example, completes the construction of buildings such as buildings, and the monomer diagram required by the main stage mainly comprises: the system comprises a tower crane, a people and goods elevator, a discharging platform, a building block and wood stacking place, a steel bar processing room, a cement storehouse, gravel stacking, a temporary water collecting pit and a power-on water and road.
S33: and constructing a BIM construction site layout drawing in the decoration and fitment stage, extracting a monomer drawing required by the construction and decoration and fitment stage in the construction site layout drawing to obtain a monomer drawing in the decoration and fitment stage, and arranging the monomer drawing model in the decoration and fitment stage at a corresponding position to form the BIM construction site layout drawing in the decoration and fitment stage.
The decoration phase is the final phase of construction, and the work of decoration and decoration inside the building main body is mainly accomplished in this phase, for example accomplishes inside electric power and arranges, water pipe arrangement, inside wall whitewashes etc. the required monomer picture of decoration phase mainly includes: the method comprises the following steps of stacking decoration stones, stacking insulation boards, stacking ceramic tiles, arranging internal electric power, arranging internal water pipelines, arranging natural gas pipelines, and electrifying water and roads.
And fourthly, simulating the construction process in the BIM construction site layout drawing by using a three-dimensional animation simulation technology according to the BIM construction site layout drawing, and finding out unreasonable construction site layout. That is, the site situation of the construction according to the BIM job site layout is dynamically restored by the three-dimensional simulation, including the building process, the movement and working state of the construction equipment, the working state of the working area, the material using state, the movement and working state of the constructor, etc., which are different according to the design of the specific BIM job site layout, for example, the BIM job site layout only has two single drawings of the building and the construction equipment, and the simulation of the construction state is performed only for the two modules in the simulation process.
The unreasonable site arrangement includes site arrangement having construction danger, site arrangement having low construction efficiency, and the like. The site arrangement of the construction danger refers to site arrangement in which a construction dangerous area is overlapped with a personnel construction line, for example, if part of the movement track of a constructor is in the operation path area of construction equipment, the constructor is likely to be collided or scratched by the moving construction equipment in the walking process, so that safety accidents are caused. Therefore, in order to avoid the occurrence of safety accidents, in the process of simulation, if the site arrangement with construction danger is found, optimization adjustment is carried out, so that the movement track of constructors is not overlapped with the construction dangerous area, and the danger of the constructors is avoided. The field arrangement with low construction efficiency refers to field arrangement influencing construction progress, for example, if the distance between a woodworking processing shed and a wood storage area is far, the woodworking processing shed needs to run far distance to transport wood to the processing shed for processing every time, and the construction efficiency is reduced. Therefore, in order to effectively improve the construction efficiency, in the process of simulation, if the field arrangement with low construction efficiency is found, optimization adjustment should be performed. It should be noted that the above-mentioned unreasonable field arrangements are merely illustrative and not limited to the above-mentioned examples.
Furthermore, in the step, the BIM construction site layout can be optimized by comparing the BIM models of the construction site layout in the basic stage, the main stage and the decoration stage.
Specifically, the construction site layout BIM models in the three stages of the foundation stage, the main stage and the decoration stage are respectively overlapped, namely, the construction site layout BIM models in the three stages are led into the system and are overlapped in the system, so that a first overlapped BIM construction site layout drawing and a second overlapped BIM construction site layout drawing are respectively obtained, the first overlapped BIM construction site layout drawing is a BIM model construction site layout overlapping drawing of the construction site layout drawing in the foundation stage and the BIM construction site layout drawing in the main stage, and the second overlapped BIM construction site layout drawing is a BIM model construction site layout overlapping drawing of the BIM construction site layout drawing in the main stage and the BIM construction site layout drawing in the decoration stage; the method comprises the steps of obtaining a first-stage switching scheme and a second-stage switching scheme according to a first overlapped BIM construction site layout diagram and a second overlapped BIM construction site layout diagram respectively, namely obtaining construction site layouts required to be adjusted for switching among stages by comparison according to construction contents of three stages, and obtaining the construction site layout schemes for switching among the stages, wherein the first-stage switching scheme is a scheme for switching the construction site layouts between a basic stage and a main stage, and the second-stage switching scheme is a scheme for switching the construction site layouts between the main stage and a decoration stage.
Through the overlapping comparison of the BIM models of the construction site cloth among all the stages, the optimized scheme for switching the construction site arrangement among the stages is obtained, and then the material yard, the processing area and the road are optimized, so that the construction site cloth can be rapidly adjusted to the next stage when any one stage is completed, and the seamless lap joint is realized on the approach of the material.
For example, when the basic stage is converted into the main stage and the main stage is converted into the decoration stage, the layout of a processing shed, a material yard, a plane transportation road, large-scale equipment and the like can be rapidly adjusted to meet the requirement of the next stage. If the layout is adjusted greatly, huge manpower, material resources and financial resources are consumed. In other words, when designing the construction site cloth in the foundation stage, the site arrangement in the main body stage and the decoration stage is intended. If the position of processing the canopy, basic stage is around the foundation ditch, and the distribution is comparatively opened, and the corresponding dwindles of main part stage processing canopy draws close to the main part, should consider the reasonable scheme of drawing close of processing canopy this moment. When the ground plane transportation road is switched from the basic stage to the main stage, the road should be switched to the position near the main building, and at the moment, the plane transportation road left in the basic stage should be considered and used, and the road should not be abandoned as much as possible.
And fifthly, optimizing the BIM construction site layout, and optimizing the unreasonable construction site layout in the fourth step to obtain the optimized BIM construction site layout.
And (4) optimizing unreasonable construction site arrangement, in particular to optimizing site arrangement with construction danger and low construction efficiency. And optimizing the site layout with construction danger to adjust the working line of the constructors, so that the working line of the constructors is not crossed or overlapped with the construction dangerous area. In order to adjust the position of the material storage area, the material taking distance between the processing area and the material storage area of the raw material required by the processing area does not exceed a certain distance, the material taking distance is the distance for conveying the raw material to the processing area instead of the linear distance between the material storage area and the processing area, and the certain distance is a distance set according to the construction condition, such as 10m, 20m, 30m and the like.
And sixthly, constructing a construction plan database, decomposing the construction plan of the construction site layout into construction plan data, and importing the construction plan data into the BIM to form the construction plan database. The construction plan data includes construction stage, construction time, constructors, construction equipment and construction materials.
According to a construction site layout diagram, a construction plan is formulated, construction stages are formulated, and according to tasks to be completed in each construction stage, a construction time period, the number of required constructors, the work type, required construction equipment, the type and the number of required construction materials and other related information in each construction stage are formulated. The construction stages may be classified according to the basic stage, the main stage, and the decoration stage, or other classification methods may be used according to specific construction conditions.
The construction plan related information is imported into the BIM to form a construction plan database, and when the BIM construction site layout diagram is simulated, not only the construction process is simulated, but also the construction process is simulated according to the construction plan. For example, the construction processes of the foundation stage, the main stage and the decoration stage are respectively simulated, and when each construction stage is simulated, the construction time, constructors, construction equipment and construction materials of the stage are calculated and compared with the construction time, the constructors, the construction equipment and the construction materials in the construction plan database to see whether the actual simulation result meets the requirements in the construction plan database, such as whether the simulated construction time and the construction equipment are less than or equal to the construction time in the database, whether the number of the constructors of each work type of the simulated constructors is less than or equal to the number of the constructors of each work type in the database, whether the number of the simulated construction materials of each type is less than or equal to the number of the construction materials of each type in the database, if so, the construction plan can be carried out according to the original plan through simulation, otherwise, the construction plan can not be carried out according to the original plan in time, the original plan needs to be adjusted, and the adjusted data is imported into the construction plan database again.
Finally, because one-time optimization does not necessarily expose all problems in the construction site layout, the optimization process is not performed once, and multiple times of optimization can be performed according to actual requirements, namely, the steps are performed circularly, the execution times are at least twice, and all the problems possibly existing in the construction site layout are found and optimized through multiple times of optimization to obtain an optimal scheme.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. A construction site layout optimization method based on a BIM technology is characterized by comprising the following steps:
s1: decomposing a construction site layout, and decomposing the construction site layout into a plurality of single maps according to a preset first classification mode;
s2: constructing a monomer map model database, and respectively modeling the monomer maps by using a BIM technology to obtain a plurality of monomer map models so as to form the BIM monomer map model database containing all monomer map models in the construction site layout;
s3: constructing a BIM construction site layout drawing, and arranging each monomer map model in the BIM monomer map model database at a corresponding position according to the construction site layout drawing to form the BIM construction site layout drawing;
s4: simulating a BIM construction site layout, namely simulating the construction process of the BIM construction site layout by utilizing a three-dimensional animation simulation technology according to the BIM construction site layout so as to find unreasonable construction site layout;
s5: and optimizing the BIM construction site layout drawing, and optimizing the unreasonable construction site layout to obtain the optimized BIM construction site layout drawing.
2. The method according to claim 1, wherein step S1 specifically comprises:
according to the classification mode of buildings, roads, construction equipment, material storage areas and processing areas, the construction site layout drawing is decomposed into a building single drawing, a road single drawing, a construction equipment single drawing, a material storage area single drawing and a processing area single drawing.
3. The method of claim 2,
before the step S2 and after the step S1, the method further comprises:
s11: decomposing the monomer map into a plurality of monomer elements according to a preset second classification mode;
step S2 specifically includes:
s21: constructing a monomer element model database, and respectively modeling the plurality of monomer elements by using a BIM technology to form a BIM monomer element model database containing all monomer element models in the construction site layout;
s22: and combining the monomer element models to form a monomer map model.
4. The method according to claim 3, wherein step S11 is specifically:
s11: and decomposing the building unit map into the building element unit and the building material unit according to the classification mode of the building element unit and the building material unit.
5. Method according to any one of claims 1 to 4, characterized in that step S3 is embodied as building BIM job site layout drawings of different stages according to different construction stages, respectively.
6. The method according to claim 5, wherein the step S3 is specifically:
s31: constructing a basic stage BIM construction site layout drawing, extracting a monomer drawing required by a construction basic stage in the construction site layout drawing to obtain a basic stage monomer drawing model, and arranging the basic stage monomer drawing model at a corresponding position to form a basic stage BIM construction site layout drawing;
s32: constructing a main stage BIM construction site layout drawing, extracting a monomer drawing required by a construction main stage in the construction site layout drawing to obtain a main stage monomer drawing model, and arranging the main stage monomer drawing model at a corresponding position to form a main stage BIM construction site layout drawing;
s33: constructing a BIM construction site layout drawing in a decoration stage, extracting a monomer drawing required by the construction decoration stage in the construction site layout drawing to obtain a monomer drawing model in the decoration stage, and arranging the monomer drawing model in the decoration stage at a corresponding position to form the BIM construction site layout drawing in the decoration stage;
7. the method according to any one of claims 1-4, wherein the unreasonable site arrangement of step S4 includes site arrangement with construction risk.
8. The method according to any one of claims 1-4, further comprising step S6 after step S5:
s6: and constructing a construction plan database, decomposing the construction plan of the construction site layout drawing into construction plan data, and importing the construction plan data into the BIM to form the construction plan database.
9. The method of claim 8, wherein the construction plan data includes at least one of construction stage, construction time, constructors, construction equipment, construction materials.
10. The method according to any one of claims 1-4, further comprising step S7 after step S5:
s7: and (4) optimizing for multiple times, and circularly executing the steps S3-35 for at least two times.
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