CN110952811A - Assembly type machine room deepening design process based on BIM and construction method thereof - Google Patents
Assembly type machine room deepening design process based on BIM and construction method thereof Download PDFInfo
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Abstract
The invention relates to a deepening design process of an assembled machine room based on BIM and a construction method thereof, which divide all the electromechanical construction work into three parts of deepening design, prefabrication and assembly. Determining the brand and specification of products in the machine room according to the design drawing, extracting cloud storage data, realizing three-dimensional modeling of a precise construction drawing, comprehensively arranging an optimized path, and outputting a construction part processing decomposition drawing and other professional matching drawings; and the prefabricating processing factory realizes the processing of the components according to the component processing drawing, pastes the identification, protects the finished product to be transported to the site, and completes the assembling construction process of the pump set of the machine room and the matched pipe valve. Through the advanced deep design, the pre-buried location and the factory prefabrication processing, the modularization assembly is realized, and the purpose of one-time survival is achieved. The invention has the advantages of modular splitting, factory high-precision prefabrication, improvement of construction precision and quality, reduction of a large amount of welding work on site, improvement of site installation precision and realization of the requirement of green construction.
Description
Technical Field
The invention belongs to the field of electromechanical construction, and particularly relates to an assembled machine room deepened design flow based on BIM and a construction method thereof.
Background
Along with the process of urbanization in China, the building electromechanical installation industry is rapidly developed. The problems of resource waste, environmental pollution, construction safety and low efficiency are increasingly prominent. Therefore, safe, efficient, energy-saving, environment-friendly and civilized construction is an urgent need for the healthy development of the industry. Under the guidance, the development direction of "BIM-based electromechanical industrialization" gradually becomes a necessary choice and trend for sustainable development of the electromechanical installation industry.
With the vigorous development of building mechanics and electronics, the requirement of the building owner on the building products is only limited to the construction quality, the structure is stable, and the appearance quality of the construction is increasingly becoming a key item for the building owner to investigate. The construction of electromechanical installations plays a particularly important role therein.
In order to meet the aim, the progress of electromechanical factory processing and flow line construction is also promoted increasingly. The assembly type pipeline of the machine room is a new direction for research of the current construction unit, and the construction market is a service company which successively develops a whole chain for machine room design, disassembly, drawing, prefabrication, transportation and assembly construction. In the aspect of a software platform, part of software can realize efficient and orderly interaction of BIM data and field information by scanning two-dimensional codes, and track and understand the description of the field installation position from a factory to a field, so that information acquisition, acquisition and tracing are more convenient and faster.
The problems of poor construction quality, serious errors and waste and the like exist in the traditional electromechanical engineering due to the problems of unclear drawing design, strong independence of each specialty and the like. The invention provides improvement aiming at the defects of low efficiency of pipeline installation, slow dragging project progress, large error and the like of a machine room pump station in the prior art.
Disclosure of Invention
The invention aims to solve the problems and provides a BIM-based deep design process of an assembled machine room and a construction method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
a deepened design flow of an assembly machine room based on BIM and a construction method thereof comprise the following steps:
s1 deepening design
1) Deepening requirement confirmation:
filling in a deepened design application form by a project department to confirm the deepened design requirement of the project and signing a deepened design service agreement;
2) deepening point confirmation:
design institute deepens design person in charge, and the same department of project confirms deepens node range according to 'deepens design bill', and the department of project perfects a deepens design information confirmation table;
3) deepening information confirmation:
the identification project deepened design relates to information such as size, material, construction method and the like of a finished product material, and written confirmation is carried out according to a confirmation form;
s2 BIM preliminary modeling:
1) establishing a family library: according to the relevant information collection condition, perfecting the project family library, and extracting product data parameters from the cloud warehouse database;
2) building and structural modeling: building a civil model according to the building and structure diagram;
3) clear height analysis: comprehensively analyzing a pipeline elevation system according to the first square elevation requirement and the garage structure form;
4) electromechanical installation preliminary modeling: according to the construction drawing, an electromechanical installation model is preliminarily established, the plane arrangement is arranged according to the original drawing, and the pipelines of each system are arranged in different elevations and layers, so that the subsequent deepening adjustment is facilitated;
s3: BIM deepening modeling: searching for 'mistake', 'leakage', 'collision' and 'deficiency' in the drawing through the BIM model, and performing node deepening and arrangement optimization on the construction drawing;
1) establishing a family library: perfecting the project family library according to the relevant information collection condition;
2) building and structural modeling: building a civil model according to the building and structure diagram;
3) clear height analysis: comprehensively analyzing a pipeline elevation system according to the first square elevation requirement and the garage structure form;
4) electromechanical installation preliminary modeling: according to the construction drawing, an electromechanical installation model is preliminarily established, the plane arrangement is arranged according to the original drawing, and the pipelines of each system are arranged in different elevations and layers, so that the subsequent deepening adjustment is facilitated;
s3, BIM deepening modeling:
1) deepening an electromechanical mounting plane: deepening the plane layout of the comprehensive pipeline according to a deepening design principle;
2) deepening the elevation of the collision inspection: after the plane arrangement is finished, carrying out pipeline collision inspection to deepen a pipeline elevation system;
3) standard nodes: according to the requirements of a deepened design achievement diagram, standard nodes of all parts are perfected;
and S4, design file auditing and confirmation:
the method is checked by a design institute, reviewed by an engineering department, and confirmed mainly aiming at deepening integrity, reliability, rationality and applicability, and issued after signing; internal checking, namely exchanging the deepened design result drawing with a project to confirm by a design first party;
s5, deepening design bottom crossing:
the deepening design responsible person organizes the pre-construction deepening design drawing intersection of the project according to the deepening design result drawing;
s6, field rechecking and adjusting:
after the on-site main body is constructed, carrying out on-site rechecking on the installation embedded content and the structure deviation condition, and adjusting the deepened content under the condition of common identification with the project;
s7: formally deepening the drawing:
forming a formal design file;
s8: prefabricating and processing complex positions of pipelines: the construction is simpler and more convenient, shortens the time limit for a project.
And (3) preparing materials and debugging machines before prefabrication, and performing technical interaction on operating personnel. Processing the materials one by one according to a material specification list in a component part processing diagram, splicing into groups, pasting coding marks, and performing semi-finished product protection work; the prefabricated content comprises pipeline turning and tee bend turning positions, the fixed-length pipeline is processed by a field processing factory, the shaped electromechanical module is processed by the electromechanical processing factory, and the supports on the construction field are shared; the support is directly designed through a deepened design flow, processing is carried out according to a deepened design drawing, and construction can be directly adopted during construction. And performing field lofting according to the flat vertical cut chart paper output by the BIM, and determining installation control lines and line snapping marks of a pump set, a pipeline set, an accessory equipment set and the like.
And (4) transporting the semi-finished structural parts to the site according to the structural part processing drawings and lists, and landing the pump structural parts through vertical transport tools such as truck cranes and the like for acceptance inspection. After being qualified, the materials are horizontally conveyed into a machine room. If the roof of the machine room is provided with a hoisting reserved hole before construction, the roof can be hoisted into the machine room through vertical transportation equipment and then is subjected to acceptance inspection, horizontal transportation and the like.
The software adopted for BIM deepening modeling in the S3 is the Inventor software.
A BIM-based construction method for an assembled machine room comprises the following steps:
s1: and (3) installing a pump set:
1) the pump set is horizontally transported to the position near the installation position of the machine room, and the pump set is pushed to the installation position by a ground tank;
2) after the pump group is pulled to the installation position, the adjustment before taking place is carried out, and the connection control points of the front and back, the left and right and the upper and lower dimensions are ensured to be consistent with the model;
3) a jack is used for assisting the pump set to be in place, the ground tank is taken out, and the position of the pump set is fixed; the synchronous control of the descending process of the screw jack is noticed, so that the positioning deviation or deformation which cannot be absorbed by the whole pump set is avoided;
s2: and (3) installing a pipeline set:
1) after the main equipment and the pump set are in place, the main equipment and the pump set are sequentially installed according to the number sequence in the component part processing exploded view;
2) the pipeline groups are connected through adjustable flanges, pre-assembly is carried out firstly, and after all the pipeline groups and the accessory equipment groups are installed, deviation is adjusted;
3) after adjusting the deviation, finally fixing the connection part of the component parts;
s3: washing and pressure test acceptance: and after the pipeline of the whole machine room is installed, the whole machine room is washed according to a special construction scheme of the project pump room. The washing flow rate is generally not less than 3.0m/s, a drainage measure system is required to be solved before washing, a washing medium adopts clean tap water, continuous washing is required to be ensured, the color of the discharged washing water is visually observed according to a washing result, and the transparency is basically consistent with that of the water at an inlet, namely the product is qualified.
If the pressure of the water supply pump room pipeline is tested, in the pressure test, the pressure gauge is installed at the lowest point of the whole pipeline system as far as possible. The test pressure is in accordance with the design requirement, and when the design is not indicated, the test pressure of the water supply pipeline systems made of various materials is 1.5 times of the working pressure, but is not less than 0.6 MPa; observing the metal and composite pipe water supply pipeline system under test pressure for 10min, wherein the pressure drop is not more than 0.02MPa, and then, the pressure drop is reduced to working pressure for inspection, and the water supply pipeline system is not allowed to leak; the pressure of the plastic pipe water supply system is stabilized for 1 hour under the test pressure, the pressure drop is not more than 0.05MPa, then the pressure is stabilized for 2 hours under the state of 1.15 times of the working pressure, the pressure drop is not more than 0.03MPa, and meanwhile, the leakage at each joint is checked.
The assembly work is accomplished by project department installation team earlier stage, treats the later stage project and popularizes the back, according to project progress demand, carries out the assembly type production construction service to a plurality of projects simultaneously.
The method is suitable for the construction of pump sets and matched pipe valves in various water supply pump rooms, fire pump rooms, lifting pump stations, refrigerating machine rooms and boiler rooms, and has the characteristics of short construction period, high work efficiency, good economy, high safety, energy conservation, environmental protection and the like.
Compared with the prior art, the invention has the beneficial effects that:
1. and extracting cloud storage data to realize 1:1 copying of the product. Product brands meeting design requirements are selected, product real data are extracted by relying on a cloud warehouse database, 1:1 three-dimensional modeling is carried out, and comprehensive arrangement accuracy and accuracy are improved.
2. The factory prefabrication processing is adopted, the quality is guaranteed, and the loss is reduced. All parts of the equipment can be prefabricated in advance in a machining workshop of a prefabrication factory, workers with high selection technical level undertake the work of cutting, welding and the like, are not influenced by factors such as climate, environment and the like, can be produced in batches in advance according to the concrete progress requirements of the engineering, effectively improve the cutting precision and the welding quality of the pipeline, and obviously improve the quality of semi-finished products.
3. The site assembly construction is adopted, the safety is ensured, and the work efficiency is improved. All the installed pipes can be prefabricated in advance only by providing deep processing drawings, and the construction is performed in parallel with civil engineering construction; meanwhile, the installation precision is improved through factory machining, rework is avoided, the construction efficiency is improved to the maximum extent, and the construction period is shortened. The high-altitude cutting and welding operation does not exist in the field, the danger that objects falling from the high altitude fall down to people is reduced, the safety factor of the field fire prevention is improved, and the safety construction degree is greatly improved.
4. Is green and environment-friendly. Each prefabricated part is processed and produced in a prefabricating factory in advance, prefabricated components are transported to a construction site to be assembled, the construction site is low in energy consumption and free of pollutant emission, the environment-friendly effect is obvious, and the environment-friendly construction requirement is met.
The problems of poor construction quality, serious errors and waste and the like exist in the traditional electromechanical engineering due to the problems of unclear drawing design, strong independence of each specialty and the like. The mechanical and electrical industrialization is promoted based on the BIM, the BIM is utilized to carry out comprehensive arrangement of pipelines, modularization splitting and factory high-precision prefabrication. The method has strong demonstration and guidance significance for improving the construction precision and quality and the organization of constructors. According to the invention, during assembly, a plurality of projects are simultaneously subjected to assembly type production construction service according to project schedule requirements, so that the construction quality standard is unified, and the labor loss of electromechanical construction teams and groups at the project department due to discontinuous working surfaces is avoided. As each installation module of the pump room is split and prefabricated in advance, the installation efficiency is greatly improved and the construction time is saved only by directly assembling the installation modules according to the functional modules on the construction site.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings needed to be used in the description of the embodiment will be briefly introduced below, and it is obvious that the drawings in the following description are only for more clearly illustrating the embodiment of the present invention or the technical solution in the prior art, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.
FIG. 1 is a block diagram of the construction process of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood and implemented by those skilled in the art, the present invention is further described with reference to the following specific examples, which are provided for illustration only and are not intended to limit the present invention.
The assembly work is completed by installing teams and groups by the project department in the early stage, and after the projects are popularized in the later stage, the assembly type production construction service is simultaneously carried out on a plurality of projects according to the project progress requirements.
The invention relates to 'BIM-based electromechanical industrialization' which is basically characterized in that all electromechanical construction work is divided into three parts of 'deepened design', 'prefabrication' and 'assembly'. The three parts work independently, and the flow intersection is less.
According to the operation mode of a company, the early stage of 'deep design' can be borne by a northwest branch institute of a design institute, the project training and popularization are carried out in the early stage, and after the development and maturity, the project can be borne by a project department of business or technicians.
The 'prefabrication' can be carried out by a directly-affiliated material company or industrialization, the main prefabrication contents are complex positions such as turning, three-way bending and the like of the pipeline, the fixed-length pipeline is automatically digested by a field processing plant, and the electromechanical processing plant is used for producing a shaped electromechanical module of a project.
The assembly work is completed by the installation team of the project department in the early stage, after the project is popularized in the later stage, the material company or the industrialization can cultivate the professional installation team of the material company or the industrialization, and the assembly type production construction service is carried out on a plurality of projects according to the project schedule requirements. Not only unifies the construction quality standard, but also avoids the work loss of the electromechanical construction team of the project department caused by the discontinuity of the working surface.
Firstly, deepening targets:
construction and installation are fully considered, energy conservation and environmental protection are achieved, operation and maintenance factors are operated, a humanized and unit type assembled high-precision machine room model is designed by using the BIM technology, an industrial-grade assembly drawing is provided, and the aims of industrial processing, informatization distribution and modularized installation are fulfilled.
Secondly, the deepening design point of the invention:
1. pipeline split node survives at one time
2. Pipeline machining size node
3. Pipeline regulating pipe section joint
Thirdly, key points and protection points of the invention:
1. the process management in the electromechanical module factory prefabrication processing, the precision of the accessory in millimeter level in the module processing can meet the field assembly requirement, and the key technology of controlling the machining precision of the prefabricated module is realized.
2. In the process of splitting, processing and transporting the model, the prefabricated module has inevitable errors, and the assembly construction process or the splitting scheme of the survival rate of the module is improved on the premise of the existence of the size errors of the prefabricated module.
3. The electromechanical module component splitting key technology, the component node and the connection processing technology.
4. The key technology of transporting, installing and hoisting the special-shaped electromechanical module on site.
The assembly process in the actual construction of the invention is the content of the prior art, and the creativity of the invention is mainly embodied in the advanced design, modeling and factory processing prefabrication.
Fourthly, comparing before and after deepening design:
fifth, deepening the achievements
For 4 pump house types: the deep design is implemented to living pump house, fire pump house, heat exchange station, refrigerator station, 29 deepening points, realizes the accurate pre-buried of 5 types of parts, and the accurate location of 7 types of nodes, the one-time survival of 11 types of nodes. The specific deepening design part (node) and deepening points are as follows:
1. accurate positioning:
1) accurate positioning of air pipe, bridge and pipeline plane
2) Accurate positioning of air pipe, bridge and pipeline elevation
3) Accurate positioning of equipment and foundation
4) Accurate positioning of drainage ditch
5) Accurate positioning of main pipeline pipe support
6) Accurate positioning of bridge expansion joint
7) Accurate positioning of pipeline identification
2. Accurate pre-embedding:
1) accurate pre-embedding of support steel plate
2. Accurate pre-buried of power and automatic control linkage
3) Accurate pre-burying of unit, water pump and water tank ground connection
4) Accurate pre-embedding of hole and sleeve
5) Accurate pre-embedding of footing bolt
3. Class of primary survival
1) Pipeline bracket joint becomes alive at one time
2) Pipeline split node survives at one time
3) One-time survival of air pipe support joint
4) One-time survival of joint of air pipe fitting
5) Bridge frame special-shaped part joint one-time survival
6) Bridge crane support joint one-time survival
7) One-time survival of water pump installation comprehensive node
8) One-time survival of node of self-spraying alarm device
9) One-time activation of pressure reducing valve group node
10) One-time survival of rubber and plastic heat preservation method node
11) Spraying system end device node one-time survival
4. And others:
1) drainage ditch structure making node
2) Water tank expansion joint
3) Pipeline bracket processing node
4) Pipeline machining size node
5) Pipeline regulating pipe section joint
6) Bridge frame plane size node
Identifying and determining 10 types of standard component bill of materials:
1. list of industrial chain professional delivery standard parts:
1) PC types: a seepage and drainage ditch PC and a shallow drainage ditch PC;
2) materials class: the system comprises an air pipe angle steel flange, an air pipe hanger cross arm, a bridge support cross arm, a pipeline through outer wall rigid sleeve and a pipeline system identifier;
2. and (3) field centralized processing of a standard part list:
section steel support, prefabricated pipeline and prefabricated air pipe
Sixthly, benefit analysis of the construction method
1. Benefits of construction period
Taking the example that the system comprises 3 water chilling units and 8 circulating pump units, and the total number of various pipelines is about 960 meters, the construction period of the key line of the assembly construction of the assembly refrigeration machine room is only 3 days, which is 1/10 of the traditional construction period.
2. Economic benefits
The pump group and the auxiliary equipment pipe valve group are assembled on site, and the cost can be saved by 3.41 ten thousand yuan. See tables 1 and 2.
TABLE 1 comparison of offset costs of fabricated construction and traditional construction materials
TABLE 2 Manual comparison of traditional construction and fabricated construction
3. Social benefits
The BIM-based assembly type machine room construction method reduces noise and raised dust pollution of a construction site, improves civilized and green construction level of the construction site, and is energy-saving and environment-friendly.
Seventh, example
Example 1:
the project name is as follows: research center building of Siman test research institute
A construction unit: zhongtian construction group Co Ltd
Overview of the engineering:
(1) the structure type is as follows: frame shear wall
(2) Area of building (m)2)：21700
(3) Engineering cost (ten thousand yuan): 3900
(4) The date of start-up is 2017, 6 months and 13 days; completion date: 4 and 7 months in 2018
(5) Engineering site: three routes of science sources of Fengdong New region of Xixi province of Shaanxi province
(6) The name of the construction method is as follows: BIM-based assembly type machine room construction method
(7) Explanation of the application part and the application effect of the construction method: a research center building of the Western's Ann test research institute is located in three paths of science sources of New Fengdong in New Fengdong province in Xixi province of Shaanxi province, has a frame shear wall structure and has a total building area of 21700 square meters. 1 layer underground, 6 layers above the ground and 30.9m in building height. In order to meet the temperature control requirements of large-area and multiple devices, a refrigerating machine room is arranged on the north side of the underground layer of the building. The machine room occupies 273.16 square meters, 3 water chilling units are selected as cold sources, 6-13 ℃ air conditioner chilled water is provided, and the temperature difference of supply return water is 7 ℃. Each loop return water main pipe is provided with a manual regulating valve with good regulating performance, and the hydraulic balance of the loop is regulated. The air-conditioning chilled water and cooling water systems are respectively provided with 4 circulating pump sets which are used as one pump and a backup pump.
1) Screening out a pump set model;
2) processing and decomposing structural parts;
3) prefabricating a processing decomposition section of the pipeline group;
4) installing and constructing a pump set and an auxiliary pipe valve;
5) and (5) installing and constructing a water cooler connector pipeline set.
The method adopts an assembly machine room construction method based on BIM, realizes modularized assembly through early-stage deep design, pre-buried positioning and factory prefabrication processing, and achieves the purpose of one-time survival. And a large amount of welding work on site is reduced, the site installation precision is improved, the requirement of green construction is met, consistent affirmation and high evaluation of owners, supervision and quality supervision units are obtained, and a good social image is established.
Example 2:
the project name is as follows: birch forest reunion 1 standard segment engineering
A construction unit: zhongtian construction group Co Ltd
Overview of the engineering:
(1) the structure type is as follows: frame shear wall
(2) Area of building (m)2)：60,649m2
(3) Engineering cost (ten thousand yuan): 20,460 ten thousand yuan
(4) The start date is 2017, 6 months and 28 days; completion date: 12 and 16 months in 2019
(5) Engineering site: in the suburb of Xian city, the eight branches of Fengcheng city and one branch of Minjing are crossed to the north by 200 m
(6) The name of the construction method is as follows: BIM-based assembly type machine room construction method
(7) Explanation of the application part and the application effect of the construction method: the economic benefit situation analysis shows through developing and applying the construction method and the traditional method: the method adopts an assembly type pump room (station) construction method based on BIM in the birch reunion 1 standard section engineering project:
1) screening out a pump set model;
2) processing and decomposing structural parts;
3) prefabricating a processing decomposition section of the pipeline group;
4) installing and constructing a pump set and an auxiliary pipe valve;
5) and (5) installing and constructing a water cooler connector pipeline set.
The modular assembly is realized through advanced design, pre-buried positioning and factory prefabrication processing in the early stage, the purpose of one-time survival is achieved, a large amount of welding work on site is avoided, a large amount of personnel and construction period investment are saved, about 862 meters of all kinds of pipelines are taken as an example, the construction period is saved by 85% through measurement and calculation, the pipeline material is saved by 12.3%, the personnel configuration is saved by 25%, the total cost is saved by 2.46 ten thousand yuan, and the economic benefit is obvious.
The method adopts an assembly machine room construction method based on BIM, realizes modularized assembly through early-stage deep design, pre-buried positioning and factory prefabrication processing, and achieves the purpose of one-time survival. And a large amount of welding work on site is reduced, the site installation precision is improved, the requirement of green construction is met, consistent affirmation and high evaluation of owners, supervision and quality supervision units are obtained, and a good social image is established.
Through the exploration and application of the two projects, the practicability and the economical efficiency of the construction method are verified, good economic and social benefits are obtained, and the construction method has a very wide application prospect in electromechanical engineering construction.
The invention is based on the promotion of BIM electromechanical industrialization, and has the advantages of comprehensive arrangement of pipelines, modularized splitting and industrialized high-precision prefabrication by utilizing BIM. The method has strong demonstration and guidance significance for improving the construction precision and quality and the organization of constructors. According to the invention, during assembly, a plurality of projects are simultaneously subjected to assembly type production construction service according to project schedule requirements, so that the construction quality standard is unified, and the labor loss of electromechanical construction teams and groups at the project department due to discontinuous working surfaces is avoided. As each installation module of the pump room is split and prefabricated in advance, the installation efficiency is greatly improved and the construction time is saved only by directly assembling the installation modules according to the functional modules on the construction site.
The details of the present invention not described in detail are prior art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The deep design process of the assembled machine room based on the BIM is characterized by comprising the following steps of:
s1, deepening design:
1) deepening requirement confirmation:
filling a deepened design application form to confirm the deepened design requirements of the project and signing a deepened design service agreement;
2) deepening point confirmation:
confirming the range of the deepened nodes according to a deepened design bill and perfecting a deepened design information confirmation table;
3) deepening information confirmation:
identifying the information of the size, the material and the construction method of the finished product material in the deepened design of the project, and confirming the information in writing;
s2 BIM preliminary modeling:
1) establishing a family library: according to the relevant information collection condition, perfecting the project family library, and extracting product data parameters from the cloud warehouse database;
2) building and structural modeling: building a civil model according to the building and structure diagram;
3) clear height analysis: comprehensively analyzing a pipeline elevation system according to the first square elevation requirement and the garage structure form;
4) electromechanical installation preliminary modeling: according to the construction drawing, an electromechanical installation model is preliminarily established, the plane arrangement is arranged according to the original drawing, and the pipelines of each system are arranged in different elevations and layers, so that the subsequent deepening adjustment is facilitated;
s3: BIM deepening modeling: searching for 'mistake', 'leakage', 'collision' and 'deficiency' in the drawing through the BIM model, and performing node deepening and arrangement optimization on the construction drawing;
1) deepening an electromechanical mounting plane: deepening the plane layout of the comprehensive pipeline according to a deepening design principle;
2) deepening the elevation of the collision inspection: after the plane arrangement is finished, carrying out pipeline collision inspection to deepen a pipeline elevation system;
3) standard nodes: according to the requirements of a deepened design achievement diagram, standard nodes of all parts are perfected;
and S4, design file auditing and confirmation:
checking, reviewing and signing and then issuing; internal checking, namely exchanging the deepened design result drawing with a project to confirm by a design first party;
s5, deepening design bottom crossing:
performing optimization and deepening design drawing intersection before construction according to the deepening design result drawing;
s6, field rechecking and adjusting:
after the on-site main body is constructed, carrying out on-site rechecking on the installation embedded content and the structure deviation condition, and adjusting the deepened content under the condition of common identification with the project;
s7: formally deepening the drawing:
forming a formal design file;
s8: prefabricating and processing complex positions of pipelines:
the prefabricated content comprises pipeline turning positions and tee bend turning positions, the fixed-length pipeline is processed by a field processing factory, the shaped electromechanical module is processed by the electromechanical processing factory, the support is shared by the construction field, and the support is processed according to a deepened design drawing.
2. The BIM-based assembly machine room deepening design flow according to claim 1, wherein software adopted for BIM deepening modeling in the S3 is Inventor software.
3. A BIM-based construction method for an assembled machine room is characterized by comprising the following steps:
s1: and (3) installing a pump set:
1) the pump set is horizontally transported to the position near the installation position of the machine room, and the pump set is pushed to the installation position by a ground tank;
2) after the pump group is pulled to the installation position, the adjustment before taking place is carried out, and the connection control points of the front and back, the left and right and the upper and lower dimensions are ensured to be consistent with the model;
3) a jack is used for assisting the pump set to be in place, the ground tank is taken out, and the position of the pump set is fixed; the synchronous control of the descending process of the screw jack is noticed, so that the deviation or deformation of positioning is avoided;
s2: and (3) installing a pipeline set:
1) after the main equipment and the pump set are in place, the main equipment and the pump set are sequentially installed according to the number sequence in the component part processing exploded view;
2) the pipeline groups are connected through adjustable flanges, pre-assembly is carried out firstly, and after all the pipeline groups and the accessory equipment groups are installed, deviation is adjusted;
3) after adjusting the deviation, finally fixing the connection part of the component parts;
s3: washing and pressure test acceptance: and after the pipeline of the whole machine room is installed, the whole machine room is washed according to a special construction scheme of the project pump room.
4. The BIM-based prefabricated room construction method of claim 3, wherein the flushing flow rate in S3 is generally not less than 3.0 m/S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911015277.0A CN110952811A (en) | 2019-10-24 | 2019-10-24 | Assembly type machine room deepening design process based on BIM and construction method thereof |
Applications Claiming Priority (1)
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| CN111540455A (en) * | 2020-04-30 | 2020-08-14 | 中建三局智能技术有限公司 | Quick debugging method and system for disease control hospital epidemic prevention engineering intelligent system |
| CN112031487A (en) * | 2020-06-24 | 2020-12-04 | 中铁建工集团有限公司 | DMBP (distributed binary BP) assembly type machine room construction method based on BIM (building information modeling) technology |
| CN112112418A (en) * | 2020-09-29 | 2020-12-22 | 中国建筑一局(集团)有限公司 | Construction method of high-rise building aluminum formwork climbing frame combined system |
| CN112252784A (en) * | 2020-10-26 | 2021-01-22 | 北京市第三建筑工程有限公司 | Assembly construction method for refrigerating room |
| CN112446073A (en) * | 2020-11-10 | 2021-03-05 | 上海宝冶集团有限公司 | Rapid construction method for air conditioner room of automobile factory building based on BIM deepened design |
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| CN113239546A (en) * | 2021-05-17 | 2021-08-10 | 中建八局第四建设有限公司 | Assembly type machine room construction method based on DDCI system |
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| CN113722788B (en) * | 2021-07-15 | 2023-09-29 | 广东二十冶建设有限公司 | Determination method and system for transportation and installation of modularized machine room based on BIM |
| CN113719662A (en) * | 2021-09-09 | 2021-11-30 | 中建八局第一建设有限公司 | Sectional integral lifting installation construction method for large-scale dense pipeline system |
| CN114682956A (en) * | 2022-04-19 | 2022-07-01 | 中天建设集团有限公司 | Multifunctional sleeve welding combination table and construction method thereof |
| CN115758554A (en) * | 2022-12-28 | 2023-03-07 | 中建七局建筑装饰工程有限公司 | ALC (autoclaved lightweight concrete) slab lean construction method based on BIM (building information modeling) technology |
| CN116167146A (en) * | 2023-04-25 | 2023-05-26 | 中铁八局集团电务工程有限公司 | Modularized installation method for urban rail transit cold water machine room |
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