CN111783203A - BIM-based floor slab outer contour body generation method, device, equipment and medium - Google Patents
BIM-based floor slab outer contour body generation method, device, equipment and medium Download PDFInfo
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- CN111783203A CN111783203A CN202010585005.0A CN202010585005A CN111783203A CN 111783203 A CN111783203 A CN 111783203A CN 202010585005 A CN202010585005 A CN 202010585005A CN 111783203 A CN111783203 A CN 111783203A
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Abstract
The invention provides a BIM-based floor slab outer contour body generation method, which comprises the following steps of: acquiring an outer contour base map of a floor slab; the outer contour base map comprises a base map plane of the floor slab and preset attributes, wherein the preset attributes comprise thickness information, reinforcement mode information, height information of the lifting plate and joint thickness information of the floor slab; forming an initial outer contour of the floor slab according to the bottom drawing plane and the thickness information; and assigning the initial outer contour according to the preset attribute to form an outer contour body of the floor slab. The invention also provides a BIM-based floor slab outer contour body generation device, equipment and medium. The scheme can effectively save the time for process designers to repeatedly search various parameter information in the base map, and improve the process design efficiency.
Description
Technical Field
The invention belongs to the technical field of assembly type buildings, and particularly relates to a BIM-based floor slab outer contour body generation method, device, equipment and medium.
Background
During assembly type modeling, a floor bottom map is formed firstly, the bottom map is a plane map (generally in a CAD format), an assembly type component needs to be provided with a three-dimensional outline map, the original method is that only a floor code is obtained, then the plane bottom is formed according to the length and the width of the bottom map, and then an integral outline body is formed according to the height of the floor, but in the process design stage after the outline modeling, more information is needed for the floor, and when needing the information, a process designer needs to read the information from the bottom map again and then carries out subsequent process design, so that a working link is dragged, and the rapid design efficiency of the process design is not facilitated.
The invention content is as follows:
the invention aims to provide a BIM-based floor slab outer contour body generation method, and aims to solve the technical problems of draggy outer contour process design working links and low working efficiency in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a BIM-based floor slab outer contour generation method comprises the following steps:
acquiring an outer contour base map of a floor slab; the outer contour base map comprises a base map plane of the floor slab and preset attributes, wherein the preset attributes comprise thickness information, reinforcement mode information, height information of the lifting plate and joint thickness information of the floor slab;
forming an initial outer contour of the floor slab according to the bottom drawing plane and the thickness information;
and assigning the initial outer contour according to the preset attribute to form an outer contour body of the floor slab.
Optionally, the floor slab is a prefabricated slab, the thickness information is a thickness of the prefabricated slab, and the step of forming an initial outer contour of the floor slab according to the bottom view plane includes:
acquiring the thickness of the base plane and the prefabricated plate;
and extending the bottom view plane to form an initial outer contour along the thickness of the prefabricated plate in the direction perpendicular to the bottom view plane.
Optionally, the floor slab is a laminated slab, and the thickness information of the floor slab includes a thickness of a prefabricated layer of the laminated slab and a thickness of a cast-in-place layer; the step of forming an initial outer profile of the floor slab according to the floor plan comprises:
acquiring the bottom drawing plane, the thickness of the prefabricated layer and the thickness of the cast-in-place layer;
extending the bottom drawing plane towards a direction vertical to the bottom drawing plane according to the thickness of the prefabricated layer to form a first outer contour;
and extending the first outer contour towards the direction vertical to the first outer contour according to the thickness of the cast-in-place layer to form an initial outer contour.
Optionally, after the step of assigning the initial outer contour to form the outer contour of the floor slab according to the predetermined attribute, the method further includes:
acquiring the volume of an outer surrounding box of the outer contour body and the volume of the floor slab;
calculating a difference between the volume of the outer bounding box and the volume of the floor slab;
comparing the difference value with a preset difference value threshold value;
and if the difference value is larger than the difference value threshold value, determining that the floor slab has the hole.
Optionally, after the step of determining that the floor slab has the hole, the method further includes:
and performing Boolean operation according to the difference to obtain the number of the holes.
Optionally, the reinforcement arrangement mode information includes the trend and the overall distribution of the reinforcement; the height information of the lifting plate is the height of the floor slab raised and lowered on the basis of the standard floor height.
Optionally, the joint thickness information between the floor slabs is a distance between a lower bottom surface and an upper bottom surface of the floor slab.
In addition, the present invention provides a floor outer contour generation device based on BIM, including:
the acquisition module is used for acquiring an outer contour base map of the floor slab; the outer contour base map comprises a base map plane of the floor slab and preset attributes, wherein the preset attributes comprise thickness information, reinforcement mode information, height information of the lifting plate and joint thickness information of the floor slab;
a forming module for forming an initial outer contour of the floor slab according to the floor plan and the thickness information;
and the assignment module is used for assigning values to the initial outer profile according to the preset attributes to form an outer profile body of the floor slab.
In addition, the present invention also provides a BIM based floor contour generation device, comprising a processor, a memory, and a BIM based floor contour generation program stored on the memory and executable by the processor, wherein the BIM based floor contour generation program when executed by the processor implements the steps of the BIM based floor contour generation method as described above.
The present invention also provides a medium having a BIM-based floor contour generation program stored thereon, wherein the BIM-based floor contour generation program realizes the steps of the BIM-based floor contour generation method described above when executed by the processor.
The technical scheme of the invention at least has the following beneficial effects: the BIM-based floor slab outer contour body generation method provided by the invention comprises the steps of obtaining an outer contour base map of a floor slab; because the outline base map is provided with the base map plane and the preset attributes of the floor slab, the initial outline of the floor slab can be formed according to the map plane and the thickness information of the floor slab, the preset attributes are assigned to the initial outline to obtain the outer outline body of the floor slab, at the moment, the outer outline body of the floor slab is provided with the relevant preset attributes, and a process designer can obtain various required attribute information through the outer outline body of the floor slab, so that the time for the process designer to repeatedly search various parameter information in the base map can be effectively saved, and the process design efficiency is improved.
Drawings
FIG. 1 is a flow chart of one embodiment of a BIM-based floor slab outline generation method provided by the present invention;
FIG. 2 is a flow chart of another embodiment of a BIM-based floor slab outer contour generation method provided by the present invention;
FIG. 3 is a flow chart of yet another embodiment of a BIM-based floor slab outer contour generation method provided by the present invention;
FIG. 4 is a flow chart of yet another embodiment of a BIM-based floor slab outer contour generation method provided by the present invention;
FIG. 5 is a schematic structural diagram of a BIM-based floor slab outline generating device provided by the invention;
fig. 6 is a schematic hardware structure diagram of a BIM-based floor slab outer contour generation device according to an embodiment of the present invention.
Detailed Description
Fig. 1 shows a flowchart of a specific embodiment of a method for generating a floor slab outer contour based on BIM according to the present invention, which includes:
step S101: acquiring an outer contour base map of a floor slab; the outer contour base map comprises a base map plane of the floor slab and preset attributes, wherein the preset attributes comprise thickness information, reinforcement mode information, height information of the lifting plate and joint thickness information of the floor slab; in the embodiment of the invention, after a designer designs the floor, the floor can be attached with various preset attributes of the floor, such as the thickness information of the floor, the reinforcement mode information, the height information of the lifting plate, the seam thickness information and the like, the thickness information of the floor is used for determining the thickness of the initial outer contour, the reinforcement mode information is information of the trend, the integral distribution and the like of the reinforcement, the height of the lifting plate of the floor is the height of the lifting plate of the floor raised and lowered on the basis of the standard floor height, and the seam thickness information is the distance between the lower bottom surface and the upper bottom surface.
Step S102: and forming an initial outer contour of the floor slab according to the bottom drawing plane and the thickness information.
Step S103: and assigning the initial outer contour according to the preset attribute to form an outer contour body of the floor slab.
Because the outline base map is provided with the base map plane and the preset attributes of the floor slab, the initial outline of the floor slab can be formed according to the map plane and the thickness information of the floor slab, the preset attributes are assigned to the initial outline to obtain the outer outline body of the floor slab, at the moment, the outer outline body of the floor slab is provided with the relevant preset attributes, and a process designer can obtain various required attribute information through the outer outline body of the floor slab, so that the time for the process designer to repeatedly search various parameter information in the base map can be effectively saved, and the process design efficiency is improved.
As a specific implementation manner, referring to fig. 2, where the floor slab is a prefabricated slab, and the thickness information is a thickness of the prefabricated slab, step S102 may specifically include:
s1021: acquiring the thickness of the base plane and the prefabricated plate;
s1022: and extending the bottom view plane to form an initial outer contour along the thickness of the prefabricated plate in the direction perpendicular to the bottom view plane.
Specifically, when the floor slab is a prefabricated slab, the bottom view plane of the floor slab and the thickness of the prefabricated slab can be obtained first, and the bottom view plane is utilized to extrude the floor slab into an initial outer contour in the direction perpendicular to the bottom view plane, that is, the bottom view plane extends in the direction perpendicular to the bottom view plane according to the thickness of the prefabricated slab to form the initial outer contour.
In another embodiment, referring to fig. 3, the floor slab is a laminated slab, the thickness information is a thickness of a prefabricated layer and a thickness of a cast-in-place layer of the laminated slab, and the step S102 may specifically include:
step S1023: acquiring the bottom drawing plane, the thickness of the prefabricated layer and the thickness of the cast-in-place layer;
step S1024: extending the bottom drawing plane towards a direction vertical to the bottom drawing plane according to the thickness of the prefabricated layer to form a first outer contour;
step S1025: and extending the first outer contour towards the direction vertical to the first outer contour according to the thickness of the cast-in-place layer to form an initial outer contour.
Specifically, when the floor slab is a laminated slab, a bottom drawing plane of the floor slab, the thickness of a prefabricated layer and the thickness of a cast-in-place layer of the laminated slab can be obtained firstly, and a first outer contour is extruded in a direction perpendicular to the bottom drawing plane by using the bottom drawing plane, namely, the bottom drawing plane extends in a direction perpendicular to the bottom drawing plane according to the thickness of the prefabricated layer to form the first outer contour; and extruding the first outer contour towards the direction vertical to the bottom drawing plane according to the thickness of the cast-in-place layer to form an initial outer contour.
In another embodiment, referring to fig. 4, after step S103, the method further includes:
step S104: acquiring the volume of an outer surrounding box of the outer contour body and the volume of the floor slab;
step S105: calculating a difference between the volume of the outer bounding box and the volume of the floor slab;
step S106: comparing the difference value with a preset difference value threshold value;
step S107: if the difference value is larger than the difference value threshold value, determining that the floor slab has holes;
step S108: and performing Boolean operation according to the difference to obtain the number of the holes.
Specifically, after an outer contour body of the floor slab is formed, the volume of an outer surrounding box of the outer contour body and the volume of the floor slab are obtained; calculating the difference value between the volume of the outer bounding box and the volume of the floor slab; comparing the difference value with a preset difference value threshold value; if the difference value is larger than the difference value threshold value, determining that the floor slab has holes; after the fact that the floor slab has the holes is determined, Boolean operation can be conducted according to the difference value to obtain the number of the holes.
Referring to fig. 5, the BIM based floor outer contour generation apparatus according to the present invention includes:
the system comprises an acquisition module 100, a data processing module and a data processing module, wherein the acquisition module is used for acquiring an outer contour base map of a floor slab; the outer contour base map comprises a base map plane of the floor slab and preset attributes, wherein the preset attributes comprise thickness information, reinforcement mode information, height information of the lifting plate and joint thickness information of the floor slab;
a forming module 200 for forming an initial outer contour of the floor slab according to the base plane and the thickness information;
an assigning module 300 for assigning values to the initial outer profile according to the predetermined properties to form an outer profile body of the floor.
Optionally, the forming module 200 provided by the present invention may further include:
the first acquisition module is used for acquiring the thickness of the base drawing plane and the prefabricated plate;
the first forming module is used for extending the bottom drawing plane to form an initial outer contour in a direction perpendicular to the bottom drawing plane according to the thickness of the prefabricated plate.
Optionally, the forming module 200 provided by the present invention may further include:
the second acquisition module is used for acquiring the bottom drawing plane, the thickness of the prefabricated layer and the thickness of the cast-in-place layer;
the second forming module is used for extending the bottom drawing plane to a first outer contour along the thickness of the prefabricated layer in a direction perpendicular to the bottom drawing plane;
and the third forming module is used for extending the first outer contour towards the direction vertical to the first outer contour according to the thickness of the cast-in-place layer to form an initial outer contour.
Optionally, the BIM-based floor slab outer contour generation apparatus provided by the present invention may further include:
a volume acquisition module for acquiring a volume of an outer enclosure of the outer contour body and a volume of the floor slab;
a calculation module for calculating a difference between the volume of the outer bounding box and the volume of the floor slab;
the judging module is used for comparing the difference value with a preset difference value threshold value;
a determination module for determining that the floor slab has a hole when the difference is greater than the difference threshold.
Optionally, the BIM-based floor slab outer contour generation apparatus provided by the present invention may further include:
and the operation module is used for performing Boolean operation according to the difference value to obtain the number of the holes.
The BIM-based floor outer contour generation device of the present embodiment is used for implementing the aforementioned BIM-based floor outer contour generation method, and therefore, specific embodiments of the BIM-based floor outer contour generation device can be seen from the foregoing embodiments of the BIM-based floor outer contour generation method, for example, the obtaining module 100, the forming module 200, and the assigning module 300 are respectively used for implementing the aforementioned BIM-based floor outer contour generation method steps S101, S102, S103, S104, S105, S106, S107, and S108. Therefore, the detailed description thereof may refer to the description of the corresponding partial embodiments, which is not repeated herein.
The BIM-based floor outer contour generation method is mainly applied to BIM-based floor outer contour generation equipment, and the equipment can be equipment with display and processing functions, such as a PC (personal computer), a portable computer, a mobile terminal and the like.
Reference is made to fig. 6, which is a schematic diagram illustrating a hardware structure of a BIM-based floor outer contour generation device according to an embodiment of the present invention. In the embodiment of the present invention, the BIM based floor outline generation device and the BIM based floor outline generation method described above may be referred to with each other, and include a processor 1001 (e.g., a CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. The communication bus 1002 is used for realizing connection communication among the components; the user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard); the network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface); the memory 1005 may be a high-speed RAM memory, or may be a non-volatile memory (e.g., a magnetic disk memory), and optionally, the memory 1005 may be a storage device independent of the processor 1001.
Optionally, the BIM based floor outer contour generation device provided by the present invention may further include a camera, RF (Radio Frequency) circuit, sensor, audio circuit, Wi-Fi module, etc. Such as light sensors, motion sensors, and other sensors. In particular, the light sensor may include an ambient light sensor and a proximity sensor.
A medium according to an embodiment of the present invention is a medium in which a BIM-based floor outer contour generation program is stored, wherein when the processor executes the BIM-based floor outer contour generation program, steps of the BIM-based floor outer contour generation method according to the above-described embodiments are implemented.
The details of the present invention are described above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the protection scope thereof, and although the present application is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the principles of the invention, and it is intended that such changes and modifications also fall within the scope of the appended claims.
Claims (10)
1. A floor slab outer contour generation method based on BIM is characterized by comprising the following steps:
acquiring an outer contour base map of a floor slab; the outer contour base map comprises a base map plane of the floor slab and preset attributes, wherein the preset attributes comprise thickness information, reinforcement mode information, height information of the lifting plate and joint thickness information of the floor slab;
forming an initial outer contour of the floor slab according to the bottom drawing plane and the thickness information;
and assigning the initial outer contour according to the preset attribute to form an outer contour body of the floor slab.
2. The BIM-based floor slab outer contour generation method according to claim 1, wherein the floor slab is a precast slab, the thickness information is a thickness of the precast slab, and the step of forming an initial outer contour of the floor slab according to the floor plan and the thickness information includes:
acquiring the thickness of the base plane and the prefabricated plate;
and extending the bottom view plane to form an initial outer contour along the thickness of the prefabricated plate in the direction perpendicular to the bottom view plane.
3. The BIM-based floor slab outer contour generation method according to claim 1, wherein the floor slab is a laminated slab, and the thickness information of the floor slab comprises a precast layer thickness and a cast-in-place layer thickness of the laminated slab; the step of forming an initial outer profile of the floor slab according to the floor plan comprises:
acquiring the bottom drawing plane, the thickness of the prefabricated layer and the thickness of the cast-in-place layer;
extending the bottom drawing plane towards a direction vertical to the bottom drawing plane according to the thickness of the prefabricated layer to form a first outer contour;
and extending the first outer contour towards the direction vertical to the first outer contour according to the thickness of the cast-in-place layer to form an initial outer contour.
4. The BIM-based floor slab outer contour generation method according to any of claims 1-3, wherein after the step of assigning the initial outer contour to form the floor slab outer contour according to the predetermined property, further comprising:
acquiring the volume of an outer surrounding box of the outer contour body and the volume of the floor slab;
calculating a difference between the volume of the outer bounding box and the volume of the floor slab;
comparing the difference value with a preset difference value threshold value;
and if the difference value is larger than the difference value threshold value, determining that the floor slab has the hole.
5. The BIM-based floor slab outer contour generation method of claim 4, wherein said step of determining that said floor slab has holes is followed by further comprising:
and performing Boolean operation according to the difference to obtain the number of the holes.
6. The BIM-based floor slab outer contour generation method according to any of claims 1-3, wherein the reinforcement pattern information includes a direction and an overall distribution of reinforcement bars; the height information of the lifting plate is the height of the floor slab raised and lowered on the basis of the standard floor height.
7. The BIM-based floor slab outer contour generation method according to any one of claims 1 to 3, wherein the joint thickness information between floor slabs is a distance between a lower bottom surface and an upper bottom surface of the floor slab.
8. A BIM-based floor slab outer contour generation device is characterized by comprising:
the acquisition module is used for acquiring an outer contour base map of the floor slab; the outer contour base map comprises a base map plane of the floor slab and preset attributes, wherein the preset attributes comprise thickness information, reinforcement mode information, height information of the lifting plate and joint thickness information of the floor slab;
a forming module for forming an initial outer contour of the floor slab according to the floor plan and the thickness information;
and the assignment module is used for assigning values to the initial outer profile according to the preset attributes to form an outer profile body of the floor slab.
9. A BIM based floor outer contour generation apparatus comprising a processor, a memory, and a BIM based floor outer contour generation program stored on the memory and executable by the processor, wherein the BIM based floor outer contour generation program when executed by the processor implements the steps of the BIM based floor outer contour generation method as recited in any one of claims 1 to 7.
10. A medium having stored thereon a BIM based floor outer contour generation program, wherein the BIM based floor outer contour generation program when executed by the processor implements the steps of the BIM based floor outer contour generation method as claimed in any one of claims 1 to 7.
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