CN113792370A - 4D simulation and optimization method, device, storage medium and equipment for old power station transformation construction - Google Patents
4D simulation and optimization method, device, storage medium and equipment for old power station transformation construction Download PDFInfo
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Abstract
The invention relates to a 4D simulation and optimization method, a device, a storage medium and equipment for old power station transformation construction. The method is suitable for the field of construction and transformation of old power stations. The technical scheme adopted by the invention is as follows: A4D simulation and optimization method for old power station transformation construction is characterized by comprising the following steps: acquiring a point cloud model of a modified object and a modified construction progress plan; constructing a BIM model of a modified object based on a point cloud model, wherein the BIM model consists of a plurality of monomer models formed by BIM monomer modeling, and the monomer granularity of the monomer modeling needs to be converted into monomers according to a construction progress plan; pairing a single body model in the BIM model with a construction task in a construction progress plan through 4D coding; and importing the matched monomer model and the construction progress plan into construction simulation software for construction simulation, and displaying the construction process through BIM model simulation. The point cloud model is obtained by de-noising, registering and splicing reconstructed object point cloud data obtained by laser scanning.
Description
Technical Field
The invention relates to a 4D simulation and optimization method, a device, a storage medium and equipment for old power station transformation construction. The method is suitable for the field of construction and transformation of old power stations.
Background
Often can touch construction site condition complicacy in the power station technical transformation in-process, need verify the construction scheme before actual construction, for example verify construction process sequence, space, collision scheduling problem to the construction scheme, practice thrift actual construction time and cost, rely on the abundant experience of construction unit and expert to demonstrate in the past, but this process needs abundant experience and imagination, the professional requirement is very high and consume a lot of time, can't carry out audio-visual show to the construction process sequence, space, collision etc. of construction scheme.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the existing problems, a 4D simulation and optimization method, a device, a storage medium and equipment for old power station transformation construction are provided.
The technical scheme adopted by the invention is as follows: A4D simulation and optimization method for old power station transformation construction is characterized by comprising the following steps:
acquiring a point cloud model of a modified object and a modified construction progress plan;
constructing a BIM model of a modified object based on a point cloud model, wherein the BIM model consists of a plurality of monomer models formed by BIM monomer modeling, and the monomer granularity of the monomer modeling needs to be converted into monomers according to a construction progress plan;
pairing a single body model in the BIM model with a construction task in a construction progress plan through 4D coding;
and importing the matched monomer model and the construction progress plan into construction simulation software for construction simulation, and displaying the construction process through BIM model simulation.
The point cloud model is obtained by de-noising, registering and splicing reconstructed object point cloud data obtained by laser scanning.
The point cloud model-based BIM model for constructing the reconstruction object comprises the following steps:
and (4) performing point cloud model rarefying treatment on the point cloud model, and importing the point cloud model into BIM modeling software for modeling after the point cloud model rarefying treatment.
The pairing of the monomer model in the BIM model and the construction task in the construction progress plan comprises the following steps:
and 4D coding assignment is carried out on each single model, and corresponding 4D coding is carried out on the construction tasks in the construction progress plan.
The 4D codes are divided according to the monomer names, the specialties, the floors (elevations), the room/unit numbers/axle network coordinates, the equipment types, the sequence numbers and the like of the BIM model, and a 4D coding rule table is formulated, wherein the coding rules are as follows: [ Unit name ] [ professional ] [ elevation ] [ Room/Unit number/Axis network coordinate ] [ device type ] [ sequence number ]
The step of importing the paired monomer models and the construction progress plan into construction simulation software for construction simulation comprises the following steps:
and importing the single model subjected to 4D code assignment and the construction progress plan into construction simulation software, and corresponding the construction tasks in the single model and the construction progress plan one by one through the 4D code automatic matching function.
The utility model provides an old power station transformation construction 4D simulation and optimizing apparatus which characterized in that:
the data acquisition module is used for acquiring a point cloud model of a modified object and a modified construction progress plan;
the model building module is used for building a BIM model of a modified object based on the point cloud model, the BIM model is composed of a plurality of monomer models formed by BIM monomer modeling, and the monomer granularity of the monomer modeling needs to be converted into monomers according to a construction progress plan;
the pairing module is used for pairing the monomer model in the BIM model with the construction task in the construction progress plan;
and the construction simulation module is used for importing the matched monomer model and the construction progress plan into construction simulation software for construction simulation, and displaying the construction simulation process through the BIM model.
A storage medium having stored thereon a computer program executable by a processor, the computer program comprising: when being executed, the computer program realizes the 4D simulation and optimization method for old power station transformation construction.
An electronic device having a memory and a processor, the memory having stored thereon a computer program executable by the processor, the electronic device comprising: when being executed, the computer program realizes the 4D simulation and optimization method for old power station transformation construction.
The invention has the beneficial effects that: according to the method, the point cloud data of the reconstruction object is obtained through a laser scanning technology, BIM monomer modeling is carried out based on the point cloud data and the construction progress plan, the monomer model is matched with the construction progress plan, the matched BIM model is driven by the construction progress plan to carry out 4D simulation and optimization on the construction scheme, the visual presentation of the construction scheme is realized, the space limitation, the collision and the reasonable arrangement of working procedures in the construction process are checked, the problems of error, leakage, collision, insufficient space, unreasonable working procedures and the like in the actual construction process are avoided, and the actual construction time and cost are saved.
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FIG. 1 is a flow chart of an embodiment.
Fig. 2 is a block diagram of a flow refinement of an embodiment.
Figure 3 illustrates the electromechanical device 4D encoding rules in an embodiment.
Fig. 4 shows the structure and building 4D coding rules in the example.
Detailed Description
The embodiment is a 4D simulation and optimization method for old power station transformation construction, which specifically comprises the following steps:
and S1, acquiring the point cloud model of the reconstruction object and the reconstruction construction progress plan. In the embodiment, the point cloud data of the modified object is obtained through laser scanning, and the point cloud model of the modified object is obtained through denoising, registration, splicing and other processing.
S2, constructing a BIM model of the modified object based on the point cloud model, wherein the BIM model is composed of a plurality of monomer models formed by BIM monomer modeling, and the monomer granularity of the monomer modeling needs to be converted into monomers according to a construction progress plan.
Generally, the point cloud density of the obtained point cloud model is large, and phenomena such as unsmooth modeling can occur when BIM modeling software is directly introduced into the point cloud model, so that point cloud model rarefying treatment needs to be carried out on the point cloud model in order to improve modeling efficiency, BIM single modeling is carried out by introducing the point cloud model into the BIM modeling software after the point cloud model rarefying treatment, a plurality of single models are formed, the single granularity of the single modeling needs to be single according to a construction progress plan, and a basis is provided for smoothly implementing 4D simulation and optimization 4.
And S3, pairing the monomer model in the BIM with the construction task in the construction progress plan. In order to ensure that the monomer models of BIM monomer modeling correspond to tasks in a construction progress plan one by one, 4D coding assignment of the BIM models needs to be carried out on the models in the BIM monomer modeling, 4D coding is compiled according to different professional coding rules of electromechanical equipment, structures, buildings and the like, and the 4D coding of the models in the BIM monomer modeling is ensured to be unique no matter what coding rule is adopted. Meanwhile, in order to ensure that the construction progress plan can correspond to the model in the BIM single modeling one by one, a 4D coding pairing construction task needs to be carried out on the construction progress plan.
The 4D codes are divided according to the monomer names, the specialties, the floors (elevations), the room/unit numbers/axle network coordinates, the equipment types, the sequence numbers and the like of the BIM model, and a 4D coding rule table is formulated, wherein the coding rules are as follows: [ monomer name ] [ specialty ] [ elevation ] [ room/unit number/axis network coordinate ] [ device type ] [ sequence number ], wherein [ monomer name ] mainly includes: main building (MPH), auxiliary building (VPH), main transformer cavern (TPH), switch Station (SH), central Control Room (CR) and tail gate cavern (PSH), etc., [ specialty ] mainly comprises electric specialty (E), mechanical specialty (M), ventilation and air conditioning specialty (MV), water supply and drainage specialty (P & S), structure specialty (S) and building specialty (A), etc., [ elevation ] mainly distinguishes according to the floor such as first layer (L1), second layer (L2) and third layer (L3) and so on, [ room ] mainly defines and distinguishes according to the function of room, such as electricity distribution room (SR), freezer room (CR), Air Compressor Room (ACR), etc., [ serial number ] is according to the rule of taking equipment as center from low to high, from left to right to compile serial number. 4D code like No. 1 unit of main building electrical specialty first floor technology water supply water filter block terminal: mph.e.l1.01. wfc.01. For the construction and building profession, positioning coding is mainly carried out through an axis network, such as columns/piles, positioning is carried out through coordinate intersection points of an X-axis network and a Y-axis network, and positioning is carried out on beams and walls through the containing ranges of the X-axis network and the Y-axis network, for example, B2B3 indicates that the beams/walls are in the range from B2 to B3. The panels are positioned by the intersection of two diagonally diagonal X-axis and Y-axis nets, as B5C4 indicates that the panels are in the range between B5 and C4. Thus, the 4D code for column number with main building structure professional first floor axis network coordinate C2 is: mph, s, l1, c2, 0 is filled in to keep the length of 4D code at all times, since the structure and construction profession do not contain [ device type ] [ sequence number ].
And S4, importing the paired individualized model and the construction progress plan into construction simulation software for construction simulation, and displaying the construction simulation process through the BIM model.
The method comprises the steps of importing a model and a construction progress plan in BIM single modeling of which 4D code assignment is completed into existing 4D simulation software, enabling the model in the BIM single modeling to correspond to construction tasks in the construction progress plan one by one through a 4D code automatic matching function, automatically simulating a reconstruction construction scheme through the 4D simulation software after the step is completed, and discussing and optimizing decision by combining 4D simulation and optimization 4 aiming at problems of errors, leakage, collision, insufficient space, unreasonable processes and the like found in a simulation process.
The embodiment also provides a 4D simulation and optimization device for old power station transformation construction, which comprises a data acquisition module, a model construction module, a pairing module and a construction simulation module.
The data acquisition module in the embodiment is used for acquiring a point cloud model of a modified object and a modified construction progress plan; the model building module is used for building a BIM model of a modified object based on the point cloud model, the BIM model is composed of a plurality of monomer models formed by BIM monomer modeling, and the monomer granularity of the monomer modeling needs to be subjected to monomer according to a construction progress plan; the pairing module is used for pairing the monomer model in the BIM model with the construction task in the construction progress plan; and the construction simulation module is used for importing the matched monomer model and the construction progress plan into construction simulation software for construction simulation, and displaying the construction simulation process through the BIM model.
The present embodiment also provides a storage medium having stored thereon a computer program executable by a processor, the computer program, when executed, implementing the old power plant transformation construction 4D simulation and optimization method in this example.
The embodiment also provides an electronic device, which is provided with a memory and a processor, wherein the memory is stored with a computer program capable of being executed by the processor, and the computer program is used for realizing the 4D simulation and optimization method for old power station transformation construction in the embodiment.
Claims (9)
1. A4D simulation and optimization method for old power station transformation construction is characterized by comprising the following steps:
acquiring a point cloud model of a modified object and a modified construction progress plan;
constructing a BIM model of a modified object based on a point cloud model, wherein the BIM model consists of a plurality of monomer models formed by BIM monomer modeling, and the monomer granularity of the monomer modeling needs to be converted into monomers according to a construction progress plan;
carrying out construction task pairing on a monomer model in the BIM model and a construction progress plan by adopting 4D coding;
and importing the matched monomer model and the construction progress plan into construction simulation software for construction simulation, and displaying the construction process through BIM model simulation.
2. The old power station transformation construction 4D simulation and optimization method according to claim 1, characterized in that: the point cloud model is obtained by de-noising, registering and splicing reconstructed object point cloud data obtained by laser scanning.
3. The 4D simulation and optimization method for old power station transformation construction according to claim 1, wherein the point cloud model-based BIM model for constructing transformation objects comprises:
and (4) performing point cloud model rarefying treatment on the point cloud model, and importing the point cloud model into BIM modeling software for modeling after the point cloud model rarefying treatment.
4. The 4D simulation and optimization method for old power plant transformation construction according to claim 1, wherein the pairing of the individualized model in the BIM model and the construction task in the construction schedule plan comprises:
and 4D coding assignment is carried out on each single model, and corresponding 4D coding is carried out on the construction tasks in the construction progress plan.
5. The 4D simulation and optimization method for old power station transformation construction according to claim 4, wherein the 4D codes are divided according to the monomer names, specialties, floors (elevations), room/unit numbers/axis network coordinates, equipment types and sequence numbers of the BIM model, and a 4D coding rule table is formulated, wherein the coding rules are as follows: [ Unit name ] [ professional ] [ elevation ] [ Room/Unit number/Axis network coordinate ] [ device type ] [ sequence number ].
6. The 4D simulation and optimization method for old power station transformation construction according to claim 4, wherein the step of importing the paired individualized models and construction schedule plans into construction simulation software for construction simulation comprises the following steps:
and importing the single model subjected to 4D code assignment and the construction progress plan into construction simulation software, and corresponding the construction tasks in the single model and the construction progress plan one by one through the 4D code automatic matching function.
7. The utility model provides an old power station transformation construction 4D simulation and optimizing apparatus which characterized in that:
the data acquisition module is used for acquiring a point cloud model of a modified object and a modified construction progress plan;
the model building module is used for building a BIM model of a modified object based on the point cloud model, the BIM model is composed of a plurality of monomer models formed by BIM monomer modeling, and the monomer granularity of the monomer modeling needs to be converted into monomers according to a construction progress plan;
the pairing module is used for pairing the monomer model in the BIM model with the construction task in the construction progress plan;
and the construction simulation module is used for importing the matched monomer model and the construction progress plan into construction simulation software for construction simulation, and displaying the construction simulation process through the BIM model.
8. A storage medium having stored thereon a computer program executable by a processor, the computer program comprising: the computer program when executed implements the 4D simulation and optimization method for old power station transformation construction of any one of claims 1-5.
9. An electronic device having a memory and a processor, the memory having stored thereon a computer program executable by the processor, the electronic device comprising: the computer program when executed implements the 4D simulation and optimization method for old power station transformation construction of any one of claims 1-5.
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- 2021-09-22 CN CN202111108413.8A patent/CN113792370A/en active Pending
Patent Citations (6)
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| CN107480370A (en) * | 2017-08-10 | 2017-12-15 | 嘉兴恒创电力设计研究院有限公司 | A kind of construction speed Forecasting Methodology and system based on BIM models |
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