CN108532953B - BIM-based cantilever plate construction method and building construction method - Google Patents
BIM-based cantilever plate construction method and building construction method Download PDFInfo
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- CN108532953B CN108532953B CN201810486960.1A CN201810486960A CN108532953B CN 108532953 B CN108532953 B CN 108532953B CN 201810486960 A CN201810486960 A CN 201810486960A CN 108532953 B CN108532953 B CN 108532953B
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- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
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Abstract
The disclosure provides a BIM-based cantilever plate construction method and a building construction method, and relates to the technical field of building construction. The method comprises the following steps: according to a structure construction drawing of the proposed building, establishing a first BIM three-dimensional informatization model of the proposed building by using REVIT software; respectively identifying each cantilever plate in the first BIM three-dimensional information model on the first BIM three-dimensional information model; synchronizing the first BIM three-dimensional information model to a cloud platform; and prefabricating, processing and manufacturing each cantilever plate in the BIM three-dimensional information model based on the cloud platform in a prefabricated part processing factory and assembling and mounting the cantilever plate on a construction site by combining the first BIM three-dimensional information model and the identifier of each cantilever plate, wherein each prefabricated assembled cantilever plate carries a corresponding identifier, so that the state of the cantilever plate can be conveniently mastered in real time. By using the BIM-based cantilever plate construction method, the convenience of building construction is improved, and the requirement of green and environment-friendly construction is met.
Description
Technical Field
The disclosure relates to the technical field of building construction, in particular to a BIM-based cantilever plate construction method and a building construction method.
Background
The plate that encorbelments is the plate of encorbelmenting, does not have direct vertical braces under the plate of encorbelmenting, and the backup plate self, or the cantilever beam below the plate bears or transmits vertical load. The application in the building is very extensive, for example: air conditioner shelves, bay panels, balconies, rainsheds, and the like. Researches show that the wall body of the building envelope structure mostly adopts light cement-based building blocks, and the built wall body can not bear the load of anchoring an air conditioner outdoor unit, a convex window and the like because the compressive strength and the tensile strength of the material are not high. The structure of the existing house building is designed professionally, and structural members such as reinforced concrete cantilever slabs have to be designed. Researches show that the existing cantilever plate construction process is complex, and the quality and the safety can not be effectively ensured.
Disclosure of Invention
In view of this, an object of the present disclosure is to provide a BIM-based cantilever slab construction method and a building construction method, so as to improve convenience of building construction.
In a first aspect, the present disclosure provides a construction method for a cantilever slab based on BIM, including:
according to a structure construction drawing of a to-be-built building, establishing a first BIM three-dimensional information model of the to-be-built building by using REVIT software, wherein the first BIM three-dimensional information model comprises three-dimensional information of the to-be-built building, the three-dimensional information of the to-be-built building comprises cantilever plate information, and the cantilever plate information comprises the position, the size, the reinforcing bars, the concrete strength and the state of a cantilever plate;
respectively identifying each cantilever plate in the first BIM three-dimensional information model on the first BIM three-dimensional information model;
synchronizing the first BIM three-dimensional information model to a cloud platform;
and prefabricating, processing and manufacturing each cantilever plate in the BIM three-dimensional information model based on the cloud platform in a prefabricated component processing factory and assembling and mounting the cantilever plate on a construction site by combining the first BIM three-dimensional information model and the identification of each cantilever plate, wherein each prefabricated and assembling cantilever plate carries the corresponding identification.
Optionally, the method further comprises:
acquiring the first BIM three-dimensional informatization model from the cloud platform;
splitting the cantilever plate in the first BIM three-dimensional information model to split a single cantilever plate, thereby obtaining a first cantilever plate three-dimensional information model and a second BIM three-dimensional information model after removing each split cantilever plate;
arranging reinforcing steel bars in each split cantilever plate in the first cantilever plate three-dimensional information model according to the structure construction drawing, and reserving the reinforcing steel bars connected with the cast-in-place structure part during installation;
arranging a plurality of embedded hanging rings at set positions on the upper surface of the cantilever plate in the first cantilever plate three-dimensional information model according to the gravity center of each split cantilever plate, wherein the top points of the hanging rings are flush with the upper surface of the cantilever plate;
wrapping the embedded hanging ring in the first cantilever plate three-dimensional informatization model by using a plastic or steel protective sleeve;
arranging a water dripping line, a water dripping line groove or a pipeline groove on each split cantilever plate in the first cantilever plate three-dimensional information model to obtain a second cantilever plate three-dimensional information model;
integrating the second cantilever plate three-dimensional information model with the second BIM three-dimensional information model, replacing each cantilever plate at the corresponding position in the second BIM three-dimensional information model to obtain a third BIM three-dimensional information model of the building to be built, and synchronizing the third BIM three-dimensional information model to the cloud platform;
exporting the second cantilever plate three-dimensional informatization model into a file in an IFC data format;
and synchronizing the second cantilever plate three-dimensional information model, the IFC data format file and the third BIM three-dimensional information model to the cloud platform.
Optionally, the step of integrating the second cantilever plate three-dimensional information model and the second BIM three-dimensional information model includes:
respectively leading the second cantilever plate three-dimensional information model and the second BIM three-dimensional information model into Navisvarks and integrating;
and performing collision check on each split cantilever plate and the second BIM three-dimensional information model in Navisthrocks, checking whether a reserved steel bar in the cantilever plate collides with a beam steel bar at the position where the cantilever plate is to be installed in the proposed building, checking whether the reserved steel bar in the cantilever plate exceeds the beam width at the position where the cantilever plate is to be installed in the proposed building, and rechecking the size and the position of each cantilever plate in the third BIM three-dimensional information model so as to avoid that the cantilever plate can not be installed in a construction site.
Optionally, the method further comprises the step of producing a prefabricated cantilever slab comprising:
acquiring a second cantilever plate three-dimensional information model and a file in an IFC data format from the cloud platform;
generating a processing material list of each cantilever plate based on the information acquired from the cloud platform, producing and processing each cantilever plate, and carrying out production and processing by adopting the same process flow aiming at the cantilever plates with the same size, processing material list, reinforcing bar, concrete strength and state;
and according to the identification carried out on each cantilever plate in the third BIM three-dimensional information model, carrying out corresponding identification on each cantilever plate after production and processing to obtain the prefabricated assembled cantilever plate.
Optionally, the step of generating a processing material list of each cantilever plate based on the information acquired from the cloud platform, and producing and processing each cantilever plate includes:
counting the consumption of reinforcing steel bars and concrete of each cantilever plate based on the information acquired from the cloud platform to generate a member statistical table and a cost list;
transmitting the acquired file in the IFC data format of the cantilever plate into a platform die device for manufacturing the cantilever plate aiming at the cantilever plate to be produced;
the platform mould equipment is used for lofting and placing a side mould on a platform mould according to the file of the IFC data format, an isolating agent is smeared on the surfaces of the platform mould and the side mould, a lower-layer distribution steel bar is placed and bound after the isolating agent is dried, an upper-layer distribution steel bar is placed and bound, a stool bar is placed to separate the upper-layer distribution steel bar from the lower-layer distribution steel bar, a protective layer cushion block is placed, a plurality of embedded hanging rings are respectively placed at set positions on the upper surface of the platform mould, one end of each hanging ring is bound and connected with the distribution steel bar, the top point of the other end of each hanging ring is flush with the upper surface after pouring is completed, a protecting sleeve is used for wrapping the hanging ring at the end, a reserved steel bar connected with a cast-in-place structure part is placed, the part of the reserved steel bar extending into the cantilever plate;
obtaining the positions of a water dripping line, a water dripping line groove or a pipeline groove in the produced cantilever plate according to the obtained three-dimensional information model of the second cantilever plate, placing a mold matched with the water dripping line, the water dripping line groove or the pipeline groove at the corresponding position of the bench formwork according to the obtained position information, and attaching the mold to the bench formwork;
placing an RFID electronic chip storing the identification, the position, the size, the processing material list, the reinforcing bars and the concrete strength of the cantilever plate to be produced in the bench formwork and pouring concrete;
transferring a bench formwork to a vibrating table, vibrating poured concrete compactly, then transferring the bench formwork to a curing room, curing under constant temperature and constant humidity conditions, adopting a high-pressure water gun to scour and roughen the concrete with reserved steel bars extending into the contact surface of the cantilever slab after reaching set strength, exposing stones in the concrete, increasing the contact surface of the joint of the cantilever slab and cast-in-place concrete, adopting the high-pressure water gun to scour and roughen the concrete surface of the rest surfaces of each cantilever slab, improving the bonding strength of mortar plastering on the surface of each cantilever slab after installation, moving out of the curing room after the cantilever slab concrete reaches the preset strength requirement, removing a hanging ring protective sleeve, and demolding, thereby obtaining the cantilever slab to be installed.
Optionally, before the prefabricated cantilever slabs are installed, the method further comprises:
separating the information of a single cantilever plate from the second cantilever plate three-dimensional information model, generating a two-dimensional code as the identifier of the cantilever plate and adhering the two-dimensional code to the upper surface of the cantilever plate with the same surface as the top point of the hanging ring;
transporting each cantilever plate adhered with the two-dimensional code to a construction site and stacking the cantilever plates in a classified manner;
and protecting finished products of the reserved steel bars of the cantilever plates.
Optionally, the step of sorting and stacking the cantilever plates comprises:
dividing cantilever plates corresponding to the same type of building components into the same type for stacking, wherein the type of the building components comprises one or more of air conditioner shelves, floating window plates, balconies or rainsheds; alternatively, the first and second electrodes may be,
the cantilever plates within the same size range are classified into the same type according to size for stacking.
Optionally, the method further comprises: respectively identifying each cantilever plate in the third BIM three-dimensional information model, and identifying each cantilever plate with the same size, processing material list, reinforcing bar, concrete strength and state;
the step of sorting and stacking the cantilever plates comprises the following steps:
and dividing the cantilever plates with the same marks into the same type for stacking.
Optionally, the step of transporting each cantilever plate attached with the two-dimensional code to a construction site and stacking the cantilever plates in a classified manner includes:
acquiring a second cantilever plate three-dimensional information model, obtaining the identification of each cantilever plate from the second cantilever plate three-dimensional information model according to the installation sequence, listing a demand list and providing the demand list for a processing plant so that the processing plant can transport the required cantilever plates to a construction site according to the demand list and stack the required cantilever plates in a classified manner;
the step of installing the prefabricated cantilever plate comprises the following steps:
scanning RFID electronic chips in each cantilever plate or the pasted two-dimensional codes through handheld equipment to obtain information of the cantilever plates, and automatically synchronizing the scanned information to the cloud platform so as to finish warehousing registration on the cloud platform;
determining the installation position of the cantilever plate through the information obtained by scanning, building a temporary support and leveling at the lower part of the installation position of the cantilever plate, connecting a lifting hook of a lifting device with an embedded lifting ring of the cantilever plate, lifting the cantilever plate to the installation position, binding and fixing reserved steel bars and part of steel bars of a cast-in-place structure, and pouring concrete, thereby completing the installation of the cantilever plate;
and scanning the RFID electronic chip or the pasted two-dimensional code in the installed cantilever plate again through the handheld device, confirming that the cantilever plate is installed on the cloud platform, and automatically synchronizing the installed information to a third BIM three-dimensional information model of the cloud platform so as to master the field construction condition by remotely calling the third BIM three-dimensional information model until the installation of all the cantilever plates in the proposed building is completed.
In a second aspect, the present disclosure provides a building construction method based on BIM, the method comprising: and (4) completing the installation of the cantilever plate by adopting the BIM-based cantilever plate construction method.
The BIM-based cantilever plate construction method provided by the disclosure realizes construction of the cantilever plate based on the BIM, the cantilever plate is a prefabricated assembled cantilever plate which is prefabricated and assembled in advance, the cantilever plate can be directly used during construction, steel bars do not need to be bound, a formwork is not required to be erected and pouring is not required to be performed on a construction site, and convenience and reliability of construction of the cantilever plate are remarkably improved.
In order to make the aforementioned objects, features and advantages of the present disclosure more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
To more clearly illustrate the technical solutions of the present disclosure, the drawings needed for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present disclosure, and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a flowchart of a cantilever slab construction method provided by the present disclosure.
Fig. 2 is another flowchart of a cantilever slab construction method provided by the present disclosure.
Fig. 3 is a production flow chart of a prefabricated cantilever slab provided by the present disclosure.
Fig. 4 is another flowchart of a cantilever slab construction method provided by the present disclosure.
Detailed Description
In the prior art, most cantilever plate construction methods are cast in situ, and the procedures of binding steel bars, erecting templates, pouring concrete, removing forms, maintaining and the like are required. And the member is positioned at the outer side of the building envelope structure, the template support is difficult to set up, the construction quality is difficult to ensure, and the safe and civilized construction of the construction site is influenced. The cantilever plate is small in size, a water dripping line, a water dripping groove, a pipeline groove and the like are required to be arranged, so that the formwork is complicated to support, sufficient attention cannot be paid to the construction in the field, and the reliability of building construction can be affected.
In view of this, the present disclosure provides a construction method and a building construction method for a cantilever slab based on a BIM, in which a prefabricated assembled cantilever slab is prefabricated and assembled in advance, and a construction of the cantilever slab is performed based on a BIM three-dimensional informatization model, so as to improve convenience and reliability of construction of the cantilever slab.
The defects of the above schemes are all the results obtained after the inventor practices and researches. Therefore, the discovery process of the above-mentioned problems and the solutions proposed by the present disclosure hereinafter to the above-mentioned problems should be the contributions of the inventors to the present disclosure in the course of the present disclosure.
The technical solution in the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the present disclosure. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The components of the present disclosure, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present disclosure, presented in the figures, is not intended to limit the scope of the claimed disclosure, but is merely representative of selected embodiments of the disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the disclosure without making creative efforts, shall fall within the protection scope of the disclosure.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
As shown in fig. 1, the present disclosure provides a BIM-based cantilever slab construction method, including the following steps.
Step S11, according to the structure construction drawing of the proposed Building, a REVIT software is used for Building a first BIM three-dimensional Information Modeling (Building Information Modeling) of the proposed Building.
The first BIM three-dimensional information model comprises three-dimensional information of the proposed building, the three-dimensional information of the proposed building comprises cantilever plate information, and the cantilever plate information comprises the position, the size, the reinforcing bars, the concrete strength, the state and the like of a cantilever plate.
Step S12, respectively identifying each cantilever plate in the first BIM three-dimensional information model on the first BIM three-dimensional information model.
The identification method may be various, for example, a unique tag may be used to identify each cantilever board, for example, an RFID electronic chip may be placed in the cantilever board entity to identify the cantilever board, for example, a two-dimensional code may be attached to the cantilever board entity to identify the cantilever board, and for example, the same identification may be used for each identical cantilever board.
Step S13, synchronizing the first BIM three-dimensional information model to a cloud platform;
the steps S11 to S13 may be performed by a person associated with the construction unit, for example, a first BIM three-dimensional information model of a building to be built may be built in a computer by a BIM center engineer of the construction unit according to a structural construction drawing by using the REVIT software, where information of each member in the first BIM three-dimensional information model includes a position, a size, a reinforcement, a concrete strength, a state, and the like of the member, where the member in the first BIM three-dimensional information model includes a cantilever slab structure. And optimizing the first BIM three-dimensional information model by using the characteristics of visualization, coordination, simulation and the like of the first BIM three-dimensional information model to realize the virtual construction of the proposed building. And synchronizing the constructed first BIM three-dimensional information model to a cloud platform, and providing remote calling in subsequent work through a cloud.
And step S14, combining the first BIM three-dimensional information model and the identification of each cantilever plate, prefabricating, processing and manufacturing each cantilever plate in the BIM three-dimensional information model in the cloud platform in a prefabricated part processing factory and assembling and installing each cantilever plate on a construction site, wherein each prefabricated assembled cantilever plate carries a corresponding identification.
And the mark carried on each prefabricated assembled cantilever plate corresponds to the mark of the virtual cantilever plate corresponding to the cantilever plate in the first BIM three-dimensional information model.
Referring to fig. 2, the method further includes the following steps.
Step S21, obtaining the first BIM three-dimensional information model from the cloud platform.
And step S22, splitting the cantilever plate in the first BIM three-dimensional information model to split a single cantilever plate, thereby obtaining the first cantilever plate three-dimensional information model and removing the second BIM three-dimensional information model after each split cantilever plate.
The proposed building may include a plurality of cantilever plates, and each cantilever plate is split in the step to form a first cantilever plate three-dimensional information model for subsequent analysis. Because each cantilever plate is respectively corresponding to information such as identification, position and the like, the recovery can be accurately carried out after the disassembly.
And step S23, arranging reinforcing steel bars in each split cantilever plate in the first cantilever plate three-dimensional information model according to the structure construction drawing, and reserving the reinforcing steel bars connected with the cast-in-place structure part during installation.
According to the structural construction drawing of a building, the requirements of construction specifications and the like, reinforcing steel bars are flexibly arranged in each cantilever plate so as to meet the strength requirement, and the reinforcing steel bars connected with the cast-in-place structure part during installation are reserved so as to be convenient for installation.
Step S24, arranging a plurality of embedded hanging rings at set positions on the upper surface of the hanging plate in the first three-dimensional information model of the hanging plate according to the gravity center of each detached hanging plate, wherein the top points of the hanging rings are flush with the upper surface of the hanging plate. And a plastic or steel protective sleeve is used for wrapping the embedded hanging ring in the first cantilever plate three-dimensional information model.
Through the setting of pre-buried embedded rings, when the board installation of encorbelmenting in the later stage of being convenient for, can will encorbelment the board hoist and mount to construction position department through hoisting equipment based on the rings on the board of encorbelmenting to improve the installation convenience. And wrapping the embedded hanging ring by using a plastic or steel protective sleeve. The plastic or steel protective sleeve is detached before the cantilever plate is demoulded, and the top point of the hanging ring is flush with the upper surface of the cantilever plate, so that after the hanging is completed, mortar plastering and performance and attractiveness of the surface of the cantilever plate cannot be influenced by the design of the hanging ring of each cantilever plate.
And step S25, arranging water dripping lines, water dripping line grooves or pipeline grooves on each split cantilever plate in the first cantilever plate three-dimensional information model to obtain a second cantilever plate three-dimensional information model. And reinforcing steel bars are distributed on each cantilever plate in the second cantilever plate three-dimensional information model, and the second cantilever plate three-dimensional information model is provided with a hanging ring, a water dripping line groove, a pipeline groove and the like.
Step S26, integrating the second cantilever plate three-dimensional information model and the second BIM three-dimensional information model, replacing each cantilever plate at the corresponding position in the second BIM three-dimensional information model to obtain a third BIM three-dimensional information model of the building to be built, and synchronizing the third BIM three-dimensional information model to the cloud platform.
Optionally, the step of integrating the second cantilever plate three-dimensional information model and the second BIM three-dimensional information model includes: and respectively introducing the second cantilever plate three-dimensional information model and the second BIM three-dimensional information model into Navisvarks and integrating. And performing collision check on each split cantilever plate and the second BIM three-dimensional information model in Navisthrocks, checking whether a reserved steel bar in the cantilever plate collides with a beam steel bar at the position of the cantilever plate to be installed in the building to be built, checking whether the reserved steel bar in the cantilever plate exceeds the beam width at the position of the cantilever plate to be installed in the building to be built, and rechecking the size and the position of each cantilever plate in the third BIM three-dimensional information model generated after combination so as to avoid the condition that the cantilever plate cannot be installed in a construction site.
Step S27, exporting the second cantilever plate three-dimensional information model as a file in IFC (Industry foundation classes, architectural engineering data exchange standard) data format. The file in IFC data format includes the mark, position, reinforcing bar, concrete strength, state and other information of each cantilever plate.
Step S28, synchronizing the second cantilever plate three-dimensional information model, the IFC data format file and the third BIM three-dimensional information model to the cloud platform.
The steps S21 to S28 may be performed by a map dismantling person of a construction unit, for example, the map dismantling person obtains a first BIM three-dimensional information model of a building through a cloud platform, splits a cantilever plate member in the first BIM three-dimensional information model, where the split cantilever plate is a single member to form a first cantilever plate three-dimensional information model, and distribution steel bars in the cantilever plate are arranged according to requirements of a structural construction map. The steel bars connected with the cast-in-place structure part during field installation are reserved, at least two hanging plate members are arranged at corresponding positions on the upper surface of the hanging plate members according to the gravity centers of the members, and if three embedded hanging rings are embedded, the top points of the hanging rings are parallel and level to the top surface of the plate. And finely adjusting the component, and arranging a water dripping line, a water dripping line groove, a pipeline groove and the like so as to form a second cantilever plate three-dimensional informatization model. And integrating the second cantilever plate three-dimensional information model and the second BIM three-dimensional information model, replacing each cantilever plate at the corresponding position in the second BIM three-dimensional information model, performing collision check and adjustment on the reinforcing steel bar, and rechecking the size and the position.
In order to accurately identify each prefabricated cantilever plate in the construction process, an RFID electronic chip can be arranged in the prefabricated cantilever plate. Relevant personnel of a construction unit can output relevant data such as identification, installation position, size information, reinforcing steel bar information, concrete grade information and state of the cantilever plate member and input the RFID electronic chip pre-buried in the prefabricated assembled cantilever plate. It should be understood that the RFID electronic chip is only an example, and other implementations are possible, for example, the related information may be output in the form of a two-dimensional code and attached to the surface of the prefabricated cantilever plate member. And exporting the second cantilever plate three-dimensional information model into a file in an IFC data format. And the single component of the split cantilever plate is associated with the third BIM three-dimensional information model, and the associated model and the file in the IFC data format are synchronized to the cloud platform.
Referring to fig. 3, the method further includes the step of producing a prefabricated assembled cantilever plate, which includes the steps of.
Step S31, acquiring a second cantilever plate three-dimensional information model and a file in an IFC data format from the cloud platform.
And step S32, generating a processing material list of each cantilever plate based on the information acquired from the cloud platform, producing and processing each cantilever plate, and carrying out production and processing by adopting the same process flow aiming at the cantilever plates with the same size, the same processing material list, the same reinforcing bars, the same concrete strength and the same state.
And step S33, according to the identification carried out on each cantilever plate in the third BIM three-dimensional information model, carrying out corresponding identification on each cantilever plate after production and processing are finished, and obtaining the prefabricated assembled cantilever plate.
As an optional implementation manner, the step of generating a processing material list of each cantilever plate based on the information acquired from the cloud platform and producing and processing each cantilever plate includes: counting the consumption of reinforcing steel bars and concrete of each cantilever plate based on the information acquired from the cloud platform to generate a member statistical table and a cost list; transmitting the acquired file in the IFC data format of the cantilever plate into a platform die device for manufacturing the cantilever plate aiming at the cantilever plate to be produced; the platform mould equipment is used for lofting and placing a side mould on a platform mould according to the file of the IFC data format, an isolating agent is smeared on the surfaces of the platform mould and the side mould, a lower-layer distribution steel bar is placed and bound after the isolating agent is dried, an upper-layer distribution steel bar is placed and bound, a stool bar is placed to separate the upper-layer distribution steel bar from the lower-layer distribution steel bar, a protective layer cushion block is placed, a plurality of embedded hanging rings are respectively placed at set positions on the upper surface of the platform mould, one end of each hanging ring is bound and connected with the distribution steel bar, the top point of the other end of each hanging ring is flush with the upper surface after pouring is completed, a protecting sleeve is used for wrapping the hanging ring at the end, a reserved steel bar connected with a cast-in-place structure part is placed, the part of the reserved steel bar extending into the cantilever plate; obtaining the positions of a water dripping line, a water dripping line groove or a pipeline groove in the produced cantilever plate according to the obtained three-dimensional information model of the second cantilever plate, placing a mold matched with the water dripping line, the water dripping line groove or the pipeline groove at the corresponding position of the bench formwork according to the obtained position information, and attaching the mold to the bench formwork; placing an RFID electronic chip storing the identification, the position, the size, the processing material list, the reinforcing bars and the concrete strength of the cantilever plate to be produced in the bench formwork and pouring concrete; transferring a bench formwork to a vibrating table, vibrating poured concrete compactly, then transferring the bench formwork to a curing room, curing under constant temperature and constant humidity conditions, adopting a high-pressure water gun to scour and roughen the concrete with reserved steel bars extending into the contact surface of the cantilever slab after reaching set strength, exposing stones in the concrete, increasing the contact surface of the joint of the cantilever slab and cast-in-place concrete, adopting the high-pressure water gun to scour and roughen the concrete surface of the rest surfaces of each cantilever slab, improving the bonding strength of mortar plastering on the surface of each cantilever slab after installation, moving out of the curing room after the cantilever slab concrete reaches the preset strength requirement, removing a hanging ring protective sleeve, and demolding, thereby obtaining the cantilever slab to be installed.
Referring to fig. 4, before the prefabricated cantilever slabs are installed, the method further includes the following steps.
And step S41, separating the information of the single cantilever plate from the second cantilever plate three-dimensional information model, generating a two-dimensional code as the identifier of the cantilever plate, and adhering the two-dimensional code to the upper surface of the cantilever plate with the same surface as the top point of the hanging ring.
And step S42, transporting the cantilever plates adhered with the two-dimensional codes to a construction site and stacking the cantilever plates in a classified manner.
Wherein, the step of sorting and stacking the cantilever plates may comprise: dividing cantilever plates corresponding to the same type of building components into the same type for stacking, wherein the type of the building components comprises one or more of air conditioner shelves, floating window plates, balconies or rainsheds; or, the cantilever plates within the same size range are classified into the same type according to the size to be stacked.
The method can also comprise the steps of respectively identifying each cantilever plate in the third BIM three-dimensional information model on the third BIM three-dimensional information model, and identifying each cantilever plate with the same size, processing material list, reinforcing bar, concrete strength and state in the same way. The step of sorting and stacking the cantilever plates comprises the following steps: and dividing the cantilever plates with the same marks into the same type for stacking.
And step S43, protecting the reserved steel bars of each cantilever plate.
In the above, the step of producing and processing each of the cantilever plates may be performed by a prefabricated component processing factory. And the prefabricated part processing factory receives the second cantilever plate three-dimensional information model and the file in the IFC data format through the cloud platform. And transmitting the file in the IFC data format into a calculation software, counting the consumption of the steel bars, the concrete and the like of the component, and generating a component counting report and a manufacturing cost list. And (4) transferring the file in the IFC data format into the bench formwork equipment, and automatically lofting and placing the side formwork on the bench formwork by the bench formwork equipment according to the file in the IFC data format. And (3) coating an isolating agent on the surfaces of the bench formwork and the side formwork, placing and binding lower-layer distributed reinforcing steel bars after the isolating agent is dried, placing and binding upper-layer distributed reinforcing steel bars, and placing bench bars to separate the upper-layer distributed reinforcing steel bars from the lower-layer distributed reinforcing steel bars. Place the protective layer cushion, place three embedded rings in advance respectively in board upper surface relevant position that encorbelments, this rings one end is connected with distribution reinforcement ligature, the summit of the other end and the board top surface parallel and level after pouring the completion, rings are wrapped up by the protective sheath, avoid rings to be wrapped up by the concrete of pouring, lead to lifting device's lifting hook can't be connected with rings. And placing a reserved steel bar connected with the cast-in-place structure part, binding the part of the reserved steel bar extending into the cantilever plate with the distributed steel bar, plugging the part of the reserved steel bar penetrating through the side mold, and avoiding slurry leakage when concrete is poured. And placing a mold matched with the water dripping line, the water dripping line groove and the pipeline groove at the positions provided with the water dripping line, the water dripping line groove, the pipeline groove and the like, and tightly attaching the mold to the bench mold. And placing an RFID electronic chip storing information such as the mark number, the mounting position, the size information, the steel bar information, the concrete grade and the state of the cantilever plate member, wherein the RFID electronic chip can be buried in the concrete of the cantilever plate member and can also be hung on a hanging ring of the cantilever plate member. And after the work is finished, the platform die is transferred to a vibrating table, and the poured concrete is vibrated to be compact. And then transferring the bench formwork to a curing room, curing the cantilever plate component under the conditions of constant temperature and constant humidity, and after certain strength is reached, adopting a high-pressure water gun to scour and roughen the concrete with the reserved steel bars extending into the contact surface of the cantilever plate, so that stones in the concrete are exposed, and the contact surface of the joint of the cantilever plate and the cast-in-place concrete is increased. And the high-pressure water gun is adopted to wash and roughen the concrete surfaces of the other surfaces of each cantilever plate, so that the bonding strength of mortar plastering on the surfaces of the installed cantilever plates is improved. And (5) moving the cantilever plate member concrete out of the curing room after the cantilever plate member concrete meets the design strength requirement, and demolding after the hoisting ring protective sleeve is removed. And (4) stacking the demolded cantilever plate members orderly by adopting a prefabricated support. And protecting the reserved steel bars. And separating the information of the single cantilever plate component from the second cantilever plate three-dimensional information model, generating a two-dimensional code and adhering the two-dimensional code to the upper surface of the cantilever plate with the same surface as the top point of the hanging ring.
Optionally, the step of transporting each cantilever plate attached with the two-dimensional code to a construction site and stacking the cantilever plates in a classified manner includes: and acquiring a second cantilever plate three-dimensional information model, obtaining the identifier of each cantilever plate from the second cantilever plate three-dimensional information model according to the installation sequence, listing a demand list and providing the demand list for a processing plant so that the processing plant can transport the required cantilever plates to a construction site according to the demand list and stack the required cantilever plates in a classified manner.
The step of installing the prefabricated cantilever plate comprises the following steps: scanning RFID electronic chips in each cantilever plate or the pasted two-dimensional codes through handheld equipment to obtain information of the cantilever plates, and automatically synchronizing the scanned information to the cloud platform so as to finish warehousing registration on the cloud platform; determining the installation position of the cantilever plate through the information obtained by scanning, building a temporary support and leveling at the lower part of the installation position of the cantilever plate, connecting a lifting hook of a lifting device with an embedded lifting ring of the cantilever plate, lifting the cantilever plate to the installation position, binding and fixing reserved steel bars and part of steel bars of a cast-in-place structure, and pouring concrete, thereby completing the installation of the cantilever plate; and scanning the RFID electronic chip or the pasted two-dimensional code in the installed cantilever plate again through the handheld device, confirming that the cantilever plate is installed on the cloud platform, and automatically synchronizing the installed information to a third BIM three-dimensional information model of the cloud platform so as to master the field construction condition by remotely calling the third BIM three-dimensional information model until the installation of all the cantilever plates in the proposed building is completed.
The step of installing the prefabricated cantilever panels may be performed cooperatively by a job site manager. For example, a construction site manager acquires a second cantilever plate three-dimensional information model from the cloud platform, obtains a cantilever plate member label from the acquired second cantilever plate three-dimensional information model according to the installation sequence, lists a member requirement list and provides the member requirement list for a prefabricated member processing factory, and the prefabricated member processing factory transports the cantilever plate members to a construction site according to the list and stacks the cantilever plate members in order. And field installation personnel scan the RFID electronic chip through a special handheld device or scan the two-dimensional code through a mobile phone to obtain the relevant information of the cantilever plate, the information of the cantilever plate obtained by scanning is automatically synchronized to the cloud platform, and the cantilever plate enters the entrance component database of the project to complete warehousing registration. And meanwhile, the mounting position of the cantilever plate is determined by scanning the acquired information, a temporary support is erected and leveled on the lower part of the mounting position to be mounted of the cantilever plate, a lifting hook of a hoisting device such as a tower crane or a truck crane is connected with an embedded lifting ring of a cantilever plate member, the cantilever plate member is hoisted to the mounting position, and a reserved steel bar and a cast-in-place structural steel bar are bound and fixed and concrete is poured. And the handheld device scans again, the cantilever plate is confirmed to be installed on the cloud platform, the information is automatically synchronized to a third BIM three-dimensional information model of the cloud platform, and a manager can master the site construction condition by remotely calling the third BIM three-dimensional information model.
In the BIM-based cantilever plate construction method, the BIM technology is adopted, entity construction is simulated in a computer, and problems encountered in the actual construction process can be found in advance and scheme optimization is carried out. The prefabricated cantilever plate is produced in a centralized factory manner, so that the quality is more reliable, the appearance is better, the construction cost is reduced, the construction time is saved, the unified maintenance is facilitated, the common quality problems of cracking, honeycombs, pitted surfaces and the like caused by cast-in-place are avoided, and the construction quality is improved. Realizes green construction, and meets the requirements of saving land, water and energy, and is environment-friendly. By adopting the BIM + internet technology, the collaborative application, the component flow tracking and the link check of the field engineering data and the component hook of each working stage of the BIM three-dimensional information model are carried out through the BIM three-dimensional information model and the cloud platform, the construction is more convenient and intelligent, and the reliability is higher.
On the basis, the present disclosure also provides a building construction method, which includes: and (4) completing the installation of the cantilever plate by adopting the BIM-based cantilever plate construction method.
According to the BIM-based cantilever plate construction method and the building construction method, the prefabricated assembled cantilever plate is adopted, and the BIM three-dimensional information model is combined for construction, so that the construction process is obviously simplified, the construction progress is accelerated, and the quality uniformity of the members is enhanced.
In the several embodiments provided in the present disclosure, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus and method embodiments described above are merely illustrative, for example, the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods, and devices according to various embodiments of the present disclosure. The functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved.
In addition, functional modules in the embodiments of the present disclosure may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The foregoing is illustrative of only alternative embodiments of the present disclosure and is not intended to limit the disclosure, which may be modified and varied by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (9)
1. A BIM-based cantilever plate construction method is characterized by comprising the following steps:
according to a structure construction drawing of a to-be-built building, establishing a first BIM three-dimensional information model of the to-be-built building by using REVIT software, wherein the first BIM three-dimensional information model comprises three-dimensional information of the to-be-built building, the three-dimensional information of the to-be-built building comprises cantilever plate information, and the cantilever plate information comprises the position, the size, the reinforcing bars, the concrete strength and the state of a cantilever plate;
respectively identifying each cantilever plate in the first BIM three-dimensional information model on the first BIM three-dimensional information model;
synchronizing the first BIM three-dimensional information model to a cloud platform;
prefabricating, processing and manufacturing each cantilever plate in the BIM three-dimensional information model based on the cloud platform in a prefabricated component processing factory and performing assembly type installation on a construction site by combining the first BIM three-dimensional information model and the identification of each cantilever plate, wherein each prefabricated assembly type cantilever plate carries a corresponding identification;
the method further comprises the following steps:
acquiring the first BIM three-dimensional informatization model from the cloud platform;
splitting the cantilever plate in the first BIM three-dimensional information model to split a single cantilever plate, thereby obtaining a first cantilever plate three-dimensional information model and a second BIM three-dimensional information model after removing each split cantilever plate;
arranging reinforcing steel bars in each split cantilever plate in the first cantilever plate three-dimensional information model according to the structure construction drawing, and reserving the reinforcing steel bars connected with the cast-in-place structure part during installation;
arranging a plurality of embedded hanging rings at set positions on the upper surface of the cantilever plate in the first cantilever plate three-dimensional information model according to the gravity center of each split cantilever plate, wherein the top points of the hanging rings are flush with the upper surface of the cantilever plate;
wrapping the embedded hanging ring in the first cantilever plate three-dimensional informatization model by using a plastic or steel protective sleeve;
arranging a water dripping line, a water dripping line groove or a pipeline groove on each split cantilever plate in the first cantilever plate three-dimensional information model to obtain a second cantilever plate three-dimensional information model;
integrating the second cantilever plate three-dimensional information model with the second BIM three-dimensional information model, replacing each cantilever plate at the corresponding position in the second BIM three-dimensional information model to obtain a third BIM three-dimensional information model of the building to be built, and synchronizing the third BIM three-dimensional information model to the cloud platform;
exporting the second cantilever plate three-dimensional informatization model into a file in an IFC data format;
and synchronizing the second cantilever plate three-dimensional information model, the IFC data format file and the third BIM three-dimensional information model to the cloud platform.
2. The BIM-based cantilever slab construction method according to claim 1, wherein the step of integrating the second cantilever slab three-dimensional information model with the second BIM three-dimensional information model comprises:
respectively leading the second cantilever plate three-dimensional information model and the second BIM three-dimensional information model into Navisvarks and integrating;
and performing collision check on each split cantilever plate and the second BIM three-dimensional information model in Navisthrocks, checking whether a reserved steel bar in the cantilever plate collides with a beam steel bar at the position where the cantilever plate is to be installed in the proposed building, checking whether the reserved steel bar in the cantilever plate exceeds the beam width at the position where the cantilever plate is to be installed in the proposed building, and rechecking the size and the position of each cantilever plate in the third BIM three-dimensional information model so as to avoid that the cantilever plate can not be installed in a construction site.
3. The BIM-based cantilever slab construction method according to claim 1 or 2, wherein the method further comprises a step of producing a prefabricated assembled cantilever slab, comprising:
acquiring a second cantilever plate three-dimensional information model and a file in an IFC data format from the cloud platform;
generating a processing material list of each cantilever plate based on the information acquired from the cloud platform, producing and processing each cantilever plate, and carrying out production and processing by adopting the same process flow aiming at the cantilever plates with the same size, processing material list, reinforcing bar, concrete strength and state;
and according to the identification carried out on each cantilever plate in the third BIM three-dimensional information model, carrying out corresponding identification on each cantilever plate after production and processing to obtain the prefabricated assembled cantilever plate.
4. The BIM-based cantilever slab construction method according to claim 3, wherein the step of generating a processing material list of each cantilever slab based on the information obtained from the cloud platform, and producing and processing each cantilever slab comprises:
counting the consumption of reinforcing steel bars and concrete of each cantilever plate based on the information acquired from the cloud platform to generate a member statistical table and a cost list;
transmitting the acquired file in the IFC data format of the cantilever plate into a platform die device for manufacturing the cantilever plate aiming at the cantilever plate to be produced;
the platform mould equipment is used for lofting and placing a side mould on a platform mould according to the file of the IFC data format, an isolating agent is smeared on the surfaces of the platform mould and the side mould, a lower-layer distribution steel bar is placed and bound after the isolating agent is dried, an upper-layer distribution steel bar is placed and bound, a stool bar is placed to separate the upper-layer distribution steel bar from the lower-layer distribution steel bar, a protective layer cushion block is placed, a plurality of embedded hanging rings are respectively placed at set positions on the upper surface of the platform mould, one end of each hanging ring is bound and connected with the distribution steel bar, the top point of the other end of each hanging ring is flush with the upper surface after pouring is completed, a protecting sleeve is used for wrapping the hanging ring at the end, a reserved steel bar connected with a cast-in-place structure part is placed, the part of the reserved steel bar extending into the cantilever plate;
obtaining the positions of a water dripping line, a water dripping line groove or a pipeline groove in the produced cantilever plate according to the obtained three-dimensional information model of the second cantilever plate, placing a mold matched with the water dripping line, the water dripping line groove or the pipeline groove at the corresponding position of the bench formwork according to the obtained position information, and attaching the mold to the bench formwork;
placing an RFID electronic chip storing the identification, the position, the size, the processing material list, the reinforcing bars and the concrete strength of the cantilever plate to be produced in the bench formwork and pouring concrete;
transferring a bench formwork to a vibrating table, vibrating poured concrete compactly, then transferring the bench formwork to a curing room, curing under constant temperature and constant humidity conditions, adopting a high-pressure water gun to scour and roughen the concrete with reserved steel bars extending into the contact surface of the cantilever slab after reaching set strength, exposing stones in the concrete, increasing the contact surface of the joint of the cantilever slab and cast-in-place concrete, adopting the high-pressure water gun to scour and roughen the concrete surface of the rest surfaces of each cantilever slab, improving the bonding strength of mortar plastering on the surface of each cantilever slab after installation, moving out of the curing room after the cantilever slab concrete reaches the preset strength requirement, removing a hanging ring protective sleeve, and demolding, thereby obtaining the cantilever slab to be installed.
5. The BIM-based cantilever slab construction method of claim 4, wherein before installing each prefabricated cantilever slab, the method further comprises:
separating the information of a single cantilever plate from the second cantilever plate three-dimensional information model, generating a two-dimensional code as the identifier of the cantilever plate and adhering the two-dimensional code to the upper surface of the cantilever plate with the same surface as the top point of the hanging ring;
transporting each cantilever plate adhered with the two-dimensional code to a construction site and stacking the cantilever plates in a classified manner;
and protecting finished products of the reserved steel bars of the cantilever plates.
6. The BIM-based cantilever slab construction method according to claim 5, wherein the step of sorting and stacking the cantilever slabs comprises:
dividing cantilever plates corresponding to the same type of building components into the same type for stacking, wherein the type of the building components comprises one or more of air conditioner shelves, floating window plates, balconies or rainsheds; alternatively, the first and second electrodes may be,
the cantilever plates within the same size range are classified into the same type according to size for stacking.
7. The BIM-based cantilever slab construction method of claim 5, wherein the method further comprises: respectively identifying each cantilever plate in the third BIM three-dimensional information model, and identifying each cantilever plate with the same size, processing material list, reinforcing bar, concrete strength and state;
the step of sorting and stacking the cantilever plates comprises the following steps:
and dividing the cantilever plates with the same marks into the same type for stacking.
8. The BIM-based cantilever plate construction method according to claim 5, wherein the step of transporting each cantilever plate stuck with the two-dimensional code to a construction site and stacking the cantilever plates by classification comprises:
acquiring a second cantilever plate three-dimensional information model, obtaining the identification of each cantilever plate from the second cantilever plate three-dimensional information model according to the installation sequence, listing a demand list and providing the demand list for a processing plant so that the processing plant can transport the required cantilever plates to a construction site according to the demand list and stack the required cantilever plates in a classified manner;
the step of installing the prefabricated cantilever plate comprises the following steps:
scanning RFID electronic chips in each cantilever plate or the pasted two-dimensional codes through handheld equipment to obtain information of the cantilever plates, and automatically synchronizing the scanned information to the cloud platform so as to finish warehousing registration on the cloud platform;
determining the installation position of the cantilever plate through the information obtained by scanning, building a temporary support and leveling at the lower part of the installation position of the cantilever plate, connecting a lifting hook of a lifting device with an embedded lifting ring of the cantilever plate, lifting the cantilever plate to the installation position, binding and fixing reserved steel bars and part of steel bars of a cast-in-place structure, and pouring concrete, thereby completing the installation of the cantilever plate;
and scanning the RFID electronic chip or the pasted two-dimensional code in the installed cantilever plate again through the handheld device, confirming that the cantilever plate is installed on the cloud platform, and automatically synchronizing the installed information to a third BIM three-dimensional information model of the cloud platform so as to master the field construction condition by remotely calling the third BIM three-dimensional information model until the installation of all the cantilever plates in the proposed building is completed.
9. A BIM-based building construction method, characterized in that the method comprises: the installation of the cantilever slab is completed by adopting the BIM-based cantilever slab construction method of any one of claims 1 to 8.
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| CN109488028A (en) * | 2018-10-15 | 2019-03-19 | 筑梦高科建筑有限公司 | A kind of construction pre-assembly method based on BIM technology |
| CN109138427A (en) * | 2018-10-24 | 2019-01-04 | 陕西建工第建设集团有限公司 | A kind of prefabricated assembled construction of unstructuredness concrete component |
| CN109784674B (en) * | 2018-12-20 | 2023-05-09 | 上海建工集团股份有限公司 | Quality tracking system and method based on BIM model |
| CN109711059A (en) * | 2018-12-28 | 2019-05-03 | 中民筑友科技投资有限公司 | Guiding gutter automatic generation method, device and equipment based on assembled architecture |
| CN109583142A (en) * | 2018-12-30 | 2019-04-05 | 南京旭建新型建材股份有限公司 | A kind of NALC assembled wall BIM database design method |
| CN110056197A (en) * | 2019-04-30 | 2019-07-26 | 中国十七冶集团有限公司 | A kind of overhanging three-dimension curved surface steel cage canopy integral hoisting construction method |
| CN112199745B (en) * | 2020-09-16 | 2021-06-25 | 南通四建集团有限公司 | BIM-based template bent frame construction method and device |
| CN112380600B (en) * | 2020-11-11 | 2023-12-26 | 中国有色金属工业第六冶金建设有限公司 | Cantilever plate construction method based on BIM technology |
| CN114054905B (en) * | 2021-12-10 | 2022-12-13 | 中国化学工程第六建设有限公司 | Advanced prefabrication and installation method of titanium pipeline |
| CN114218789B (en) * | 2021-12-14 | 2022-07-12 | 中铁二十一局集团电务电化工程有限公司 | BIM-based cantilever pre-configuration dynamic simulation method |
| CN115146354B (en) * | 2022-07-14 | 2023-10-31 | 中国建筑西南设计研究院有限公司 | Automatic generation method of column reinforcement |
| CN116241085A (en) * | 2023-03-21 | 2023-06-09 | 广东省第一建筑工程有限公司 | Assembled building construction method and structure thereof |
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| CN105888248B (en) * | 2016-04-27 | 2018-01-26 | 河北建筑工程学院 | A kind of construction method based on BIM technology tutorial message prefabricated components |
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