CN114840899B - BIM-based three-dimensional scanning earthwork balance analysis method and device - Google Patents
BIM-based three-dimensional scanning earthwork balance analysis method and device Download PDFInfo
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Abstract
The invention discloses a BIM-based three-dimensional scanning earthwork balance analysis method, which comprises the steps of obtaining original soil information of a construction site and establishing an undisturbed soil model; acquiring field information of a target field through a FARO three-dimensional scanner, and establishing a point cloud model of the target field by using the field information; establishing a substrate and a foundation pit supporting model based on the site information; establishing an outdoor pipe network model and an accessory facility model based on the site information and the substrate and foundation pit support model; carrying out data noise reduction and integration on the undisturbed soil model, the substrate and support model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integrated model; obtaining the volume of earth excavated and filled in the unit by analyzing the integrated model; the method can be used for modeling the constructed site, foundation pit supporting and slope releasing conditions and comparing the modeled site with a three-dimensional scanning model, so that the site boundary is reflected visually, and the earthwork is accurately analyzed on the construction site.
Description
Technical Field
The invention relates to the technical field of BIM, in particular to a BIM-based three-dimensional scanning earthwork balance analysis method and device.
Background
In the prior art, the earthwork calculation for a construction site generally has the following modes, namely a conventional scheme 1: the existing earthwork balance analysis technology usually adopts conventional technologies such as a level gauge, a total station and GPS-RTK measurement, and the like, and a cross section of a construction site is measured and plotted, and then a cross section diagram is made after the measurement is carried out on the ground slope of the cross section. Then, the amount of work is calculated, and then the coordinates are measured by a calculation method such as grid method column, and the earth is calculated. The method is inefficient and is not suitable for topographic survey of high and low undulations. Conventional scheme 2: in the existing market, the unmanned aerial vehicle is also used for tending to photograph to scan the terrain, but the unmanned aerial vehicle reports that the flight procedure is complex, and the time period is long indirectly.
Disclosure of Invention
The invention provides a BIM-based three-dimensional scanning earthwork balance analysis method and device, which can realize accurate analysis of earthwork on a construction site. The specific technical scheme is as follows.
According to one aspect of the application, a BIM-based three-dimensional scanning earth balance analysis method is provided, which comprises the following steps:
acquiring original soil information of a construction site, and establishing an undisturbed soil model;
acquiring field information of a target field through a FARO three-dimensional scanner, and establishing a point cloud model of the target field by using the field information;
establishing a substrate and a foundation pit supporting model based on the site information;
establishing an outdoor pipe network model and an accessory facility model based on the site information and the substrate and foundation pit supporting model;
carrying out data noise reduction and integration on the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integrated model;
and analyzing the integrated model to obtain the volume of the earth excavated and filled in the unit.
Further, the obtaining of the site information of the target site by the FARO three-dimensional scanner and the establishing of the point cloud model of the target site by using the site information include:
and setting a reference point and an elevation on the target site, then carrying out full-field scanning on the target site by using the FARO three-dimensional scanner, deriving original point cloud data in a first preset format, and obtaining the original point cloud data.
Further, after obtaining the original point cloud data, the method further includes:
performing block integration and noise reduction on the original point cloud data through FARO Scene software to obtain a first preset model; exporting the first preset model into a point cloud file in a second preset format through the FARO Scene software; and inserting the point cloud file into the revit, indexing, and creating and obtaining the point cloud model of the target field.
Further, the building of the foundation and foundation pit support model based on the site information comprises the following steps:
acquiring field data of length, width and depth in the field information; designing data of a substrate and a foundation pit support based on the field data; and forming the substrate and foundation pit support model according to the data of the substrate and the foundation pit support.
Further, the establishing of the outdoor pipe network model and the accessory facility model based on the site information, the substrate and the foundation pit supporting model comprises:
acquiring the field information and data of the length, the width, the depth and the shape of the substrate and the foundation pit support model; and designing and establishing the outdoor pipe network model and the accessory facility model based on the data.
Further, the denoising and integrating data of the undisturbed soil model, the substrate and foundation pit supporting model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integrated model include:
setting a unified coordinate system for the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model, performing unified data adjustment on the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model according to the coordinate system, and performing data noise reduction and integration processing to obtain a processing model; and establishing a grid for the processing model to obtain an integrated model.
Further, the obtaining of the in-cell earth volume through the analysis of the integrated model comprises:
and setting unit information, integrating the unit information in the integrated model, and analyzing the excavated and filled earth volume data corresponding to the unit information through the information of the integrated model.
According to another aspect of the present application, there is provided a BIM-based three-dimensional scanning earth balance analysis apparatus including:
the first building module is used for obtaining original soil information in front of a construction site and building an undisturbed soil model;
the second establishing module is used for acquiring field information of a target field through a FARO three-dimensional scanner and establishing a point cloud model of the target field by using the field information;
the third building module is used for building a foundation and a foundation pit support model based on the site information;
the fourth building module is used for building an outdoor pipe network model and an accessory facility model based on the site information and the foundation and foundation pit support model;
the integration module is used for carrying out data noise reduction and integration on the undisturbed soil model, the foundation and foundation pit supporting model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integration model;
and the analysis module is used for analyzing the integrated model to obtain the volume of the earth excavated and filled in the unit.
According to another aspect of the present application, there is provided a storage medium having stored thereon a computer program which, when executed by a processor, implements the BIM-based three-dimensional scanning earth balance analysis method of any one of the above.
According to another aspect of the present application, there is provided a computer device, including a storage medium, a processor, and a computer program stored on the storage medium and executable on the processor, wherein the processor implements any one of the above-mentioned methods for BIM-based three-dimensional scanning earth balance analysis when executing the computer program.
In conclusion, the beneficial technical effects of the invention are as follows: the method comprises the steps of establishing an undisturbed soil model by acquiring original soil information of a construction site; acquiring field information of a target field through a FARO three-dimensional scanner, and establishing a point cloud model of the target field by using the field information; establishing a substrate and a foundation pit supporting model based on the site information; establishing an outdoor pipe network model and an accessory facility model based on the site information and the substrate and foundation pit supporting model; carrying out data noise reduction and integration on the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integrated model; obtaining the volume of earth excavated and filled in the unit by analyzing the integrated model; the method has the advantages that the site after construction, foundation pit supporting and slope releasing conditions can be modeled and compared with a three-dimensional scanning model, so that the site boundary is visually reflected, and whether soil is required to be dug and filled in each unit is reflected; the foundation pit supporting model can be built in advance, so that whether positions such as slope placement, cast-in-place piles and the like exist or not can be analyzed, and whether extra filling and excavation amount exists or not can be known; the outdoor engineering and accessory facility models can be built in advance, on-site marking can be carried out at corresponding positions, members such as pipelines and grooves are reserved in advance, and the outdoor engineering can be inserted in advance. Can this scheme utilization FARO three-dimensional scanner (this instrument generally is used in on the indoor actual measurement), the more ordinary instrument of essence is high, reaches the millimeter rank, can further realize the meticulous analysis of earthwork balance. This application aims at solving the earthwork and measures, utilizes three-dimensional scanning to realize the accurate of on-the-spot undisturbed soil and measurationed. The method aims to assist in carrying out earthwork balance analysis, effectively avoids project earthwork outward transportation, and accords with a green construction idea (environmental protection management and control at the present stage are very strict, earthwork is difficult to transport outward, and the outward-transported earthwork can not avoid polluting urban roads, is high in cost, has a waste phenomenon, and does not accord with the concept of five-section one-environment protection). The method aims to insert outdoor pipelines in advance in an excavation stage, lead the working procedures to be advanced, reduce cost and improve efficiency and realize accurate analysis and utilization of earthwork.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic flow chart of a BIM-based three-dimensional scanning earthwork equilibrium analysis method provided in an embodiment of the present application;
fig. 2 shows a schematic structural diagram of a BIM-based three-dimensional scanning earthwork equilibrium analysis apparatus provided in an embodiment of the present application.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1, in some embodiments provided by the present invention, a BIM-based three-dimensional scanning earth-balance analysis method is provided, including:
acquiring original soil information of a construction site, and establishing an undisturbed soil model;
acquiring field information of a target field through a FARO three-dimensional scanner, and establishing a point cloud model of the target field by using the field information;
establishing a substrate and a foundation pit supporting model based on the site information;
establishing an outdoor pipe network model and an accessory facility model based on the site information and the substrate and foundation pit support model;
carrying out data noise reduction and integration on the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integrated model;
and analyzing the integrated model to obtain the volume of the earth excavated and filled in the unit.
In the embodiment of the invention, the original soil information of the construction site is the information such as the appearance, height and the like of the original earthwork on the site to be constructed before the construction is started.
In some embodiments provided by the present invention, the obtaining, by a FARO three-dimensional scanner, site information of a target site, and using the site information to establish a point cloud model of the target site, includes:
setting a reference point and an elevation on the target site, then carrying out full-field scanning on the target site by using the FARO three-dimensional scanner, deriving original point cloud data in a first preset format, and obtaining the original point cloud data, wherein the first preset format is an fls format.
In some embodiments provided by the present invention, after obtaining the original point cloud data, the method further includes:
performing block integration and noise reduction on the original point cloud data through FARO Scene software to obtain a first preset model; exporting the first preset model into a point cloud file in a second preset format through the FARO Scene software; and inserting the point cloud file into revit software, indexing, and creating and obtaining the point cloud model of the target site, wherein the second preset format is an e57 format.
In some embodiments provided by the present invention, the building a foundation and a foundation pit support model based on the site information includes:
acquiring field data of length, width and depth in the field information; designing data of a substrate and a foundation pit support based on the field data; and forming the substrate and foundation pit support model according to the data of the substrate and the foundation pit support.
In some embodiments of the present invention, the building an outdoor pipe network model and an auxiliary facility model based on the site information and the foundation and foundation pit support model includes:
acquiring the field information and data of the length, the width, the depth and the shape of the substrate and the foundation pit support model; and designing and establishing the outdoor pipe network model and the affiliated facility model based on the data.
In some embodiments provided by the present invention, the performing data noise reduction and integration on the undisturbed soil model, the foundation and foundation pit support model, the outdoor pipe network model and the auxiliary facility model, and building a grid to obtain an integrated model includes:
setting a unified coordinate system for the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model, performing unified data adjustment on the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model according to the coordinate system, and performing data noise reduction and integration processing to obtain a processing model; and establishing a grid for the processing model to obtain an integrated model.
In other embodiments provided by the present invention, the obtaining of the amount of earth excavated and filled in the unit by analyzing the integrated model includes:
and setting unit information, integrating the unit information in the integrated model, and analyzing the excavated and filled earth volume data corresponding to the unit information through the information of the integrated model. The unit information may be information corresponding to each model in the above embodiments, and the corresponding information includes length, height, width, and the like.
In other embodiments provided by the present invention, a BIM-based three-dimensional scanning earthwork equilibrium analysis method is provided, including:
1. and scanning the construction site by using a FARO three-dimensional scanner to establish a point cloud model. 2. And establishing a base and foundation pit supporting model through revit. 3. And establishing an outdoor pipe network and accessory facility model through software such as revit, magicad and the like. 4. And performing data noise reduction and integration on the undisturbed soil model, the foundation and foundation pit support model, the outdoor pipe network and the accessory facility model, establishing grids, and analyzing the volume of earth filled in each unit. Firstly setting the same reference point and elevation, then utilizing a FARO scanner to carry out full-field scanning, exporting fls-format original point cloud data, then utilizing FARO Scene software to carry out block integration, noise reduction and other processing on the point cloud data, then utilizing the FARO Scene software to export the processed model into e57 format, finally inserting the created point cloud file into revit, and indexing so as to successfully create the point cloud model. And then, building a foundation pit protection and built site model by utilizing revit, building an outdoor pipeline model by utilizing software such as revit, magicad and the like, unifying a coordinate system and integrating data. The integrated model can visually analyze the excavation and filling amount condition, the outdoor pipeline position and the undisturbed soil elevation of each unit. Finally, a decision basis is provided for the onsite earthwork balance analysis, data support is provided for onsite pipeline insertion, and the effects of quality improvement and efficiency improvement, green construction and fine management are achieved.
As shown in fig. 2, according to another aspect of the present application, there is provided a BIM-based three-dimensional scanning earth-balancing analysis apparatus including:
the first building module is used for obtaining original soil information in front of a construction site and building an undisturbed soil model;
the second establishing module is used for acquiring field information of a target field through a FARO three-dimensional scanner and establishing a point cloud model of the target field by using the field information;
the third building module is used for building a foundation and a foundation pit support model based on the site information;
the fourth building module is used for building an outdoor pipe network model and an accessory facility model based on the site information and the foundation and foundation pit support model;
the integration module is used for carrying out data noise reduction and integration on the undisturbed soil model, the foundation and foundation pit support model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integrated model;
and the analysis module is used for analyzing the integrated model to obtain the volume of the earth excavated and filled in the unit.
The method comprises the steps of establishing an undisturbed soil model by acquiring original soil information of a construction site; acquiring field information of a target field through a FARO three-dimensional scanner, and establishing a point cloud model of the target field by using the field information; establishing a substrate and a foundation pit supporting model based on the site information; establishing an outdoor pipe network model and an accessory facility model based on the site information and the substrate and foundation pit support model; carrying out data noise reduction and integration on the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integrated model; obtaining the volume of earth excavated and filled in the unit by analyzing the integrated model; the method has the advantages that the site after construction, foundation pit supporting and slope releasing conditions can be modeled and compared with a three-dimensional scanning model, so that the site boundary is visually reflected, and whether soil is required to be dug and filled in each unit is reflected; the foundation pit supporting model can be established in advance, so that whether parts such as a slope and a cast-in-place pile exist or not can be analyzed, and whether extra square filling and excavation amount exists or not can be known; the outdoor engineering and accessory facility models can be built in advance, on-site marking can be carried out at corresponding positions, members such as pipelines and grooves are reserved in advance, and the outdoor engineering can be inserted in advance. Can this scheme utilization FARO three-dimensional scanner (this instrument generally is used in on the indoor actual measurement), the more ordinary instrument of essence is high, reaches the millimeter rank, can further realize the meticulous analysis of earthwork balance. This application aims at solving the earthwork and measures, utilizes three-dimensional scanning to realize the accurate of on-the-spot undisturbed soil and measurationed. The method aims to assist in carrying out earthwork balance analysis, effectively avoids project earthwork outward transportation, and accords with a green construction idea (environmental protection management and control at the present stage are very strict, earthwork is difficult to transport outward, and the outward-transported earthwork can not avoid polluting urban roads, is high in cost, has a waste phenomenon, and does not accord with the concept of five-section one-environment protection). The method aims to insert outdoor pipelines in advance in an excavation stage, lead the working procedures to be advanced, reduce cost and improve efficiency and realize accurate analysis and utilization of earthwork.
Based on the method shown in fig. 1, correspondingly, the present application further provides a storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the BIM-based three-dimensional scanning earthwork equilibrium analysis method shown in the above figure is implemented.
Based on such understanding, the technical solution of the present application may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the implementation scenarios of the present application.
In an embodiment of the present invention, there is provided a computer device, including a storage medium, a processor, and a computer program stored on the storage medium and executable on the processor, wherein the processor implements any one of the above three-dimensional scanning earth balance analysis methods based on BIM when executing the computer program.
Based on the method shown in fig. 1, in order to achieve the above object, an embodiment of the present application further provides a computer device, which may be specifically a personal computer, a server, a network device, and the like, where the computer device includes a storage medium and a processor; a storage medium for storing a computer program; a processor for executing a computer program to implement the BIM-based three-dimensional scanning earthwork equilibrium analysis method shown in FIG. 1.
Optionally, the computer device may also include a user interface, a network interface, a camera, radio Frequency (RF) circuitry, sensors, audio circuitry, a WI-FI module, and so forth. The user interface may include a Display screen (Display), an input unit such as a keypad (Keyboard), etc., and the optional user interface may also include a USB interface, a card reader interface, etc. The network interface may optionally include a standard wired interface, a wireless interface (e.g., a bluetooth interface, a WI-FI interface), etc.
It will be appreciated by those skilled in the art that the present embodiment provides a computer device architecture that is not limiting of the computer device, and that may include more or fewer components, or some components in combination, or a different arrangement of components.
The storage medium may further include an operating system and a network communication module. An operating system is a program that manages and maintains the hardware and software resources of a computer device, supporting the operation of information handling programs, as well as other software and/or programs. The network communication module is used for realizing communication among components in the storage medium and other hardware and software in the entity device.
Through the above description of the embodiments, those skilled in the art can clearly understand that the present application can be implemented by means of software plus a necessary general hardware platform.
Those skilled in the art will appreciate that the drawings are merely schematic representations of preferred embodiments and that the blocks or flowchart illustrations are not necessary to practice the present application. Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The above application serial numbers are for description purposes only and do not represent the superiority or inferiority of the implementation scenarios. The above disclosure is only a few specific implementation scenarios of the present application, but the present application is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present application.
Claims (10)
1. A BIM-based three-dimensional scanning earthwork equilibrium analysis method is characterized by comprising the following steps:
acquiring original soil information of a construction site, and establishing an undisturbed soil model;
acquiring field information of a target field through a FARO three-dimensional scanner, and establishing a point cloud model of the target field by using the field information;
establishing a substrate and a foundation pit supporting model based on the site information;
establishing an outdoor pipe network model and an accessory facility model based on the site information and the substrate and foundation pit support model;
carrying out data noise reduction and integration on the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integrated model;
and analyzing the integrated model to obtain the volume of the earth excavated and filled in the unit.
2. The analysis method of claim 1, wherein the obtaining of the site information of the target site by the FARO three-dimensional scanner, and the establishing of the point cloud model of the target site using the site information comprises:
and setting a reference point and an elevation on the target site, then carrying out full-field scanning on the target site by using the FARO three-dimensional scanner, deriving original point cloud data in a first preset format, and obtaining the original point cloud data.
3. The analysis method of claim 2, after obtaining the raw point cloud data, further comprising:
performing block integration and noise reduction on the original point cloud data through FARO Scene software to obtain a first preset model; exporting the first preset model into a point cloud file in a second preset format through the FARO Scene software; and inserting the point cloud file into the revit, indexing, and creating and obtaining the point cloud model of the target site.
4. The method of claim 1, wherein the building a foundation and excavation support model based on the site information comprises:
acquiring field data of length, width and depth in the field information; designing data of a substrate and a foundation pit support based on the field data; and forming the substrate and foundation pit support model according to the data of the substrate and the foundation pit support.
5. The method of claim 1, wherein the building an outdoor pipe network model and an ancillary facility model based on the site information and the foundation and excavation support model comprises:
acquiring the field information and data of the length, the width, the depth and the shape of the substrate and the foundation pit support model; and designing and establishing the outdoor pipe network model and the accessory facility model based on the data.
6. The analysis method according to claim 1, wherein the performing data noise reduction and integration on the undisturbed soil model, the foundation and foundation pit support model, the outdoor pipe network model and the auxiliary facility model, and establishing a grid to obtain an integrated model comprises:
setting a unified coordinate system for the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model, performing unified data adjustment on the undisturbed soil model, the substrate and foundation pit support model, the outdoor pipe network model and the accessory facility model according to the coordinate system, and performing data noise reduction and integration treatment to obtain a processing model; and establishing a grid for the processing model to obtain an integrated model.
7. The method of claim 1, wherein said obtaining an in-cell cut fill volume by analyzing said integrated model comprises:
and setting unit information, integrating the unit information in the integrated model, and analyzing the excavated and filled earth volume data corresponding to the unit information through the information of the integrated model.
8. A BIM-based three-dimensional scanning earthwork equilibrium analysis apparatus, comprising:
the first building module is used for obtaining original soil information in front of a construction site and building an undisturbed soil model;
the second establishing module is used for acquiring site information of a target site through a FARO three-dimensional scanner and establishing a point cloud model of the target site by using the site information;
the third building module is used for building a foundation and a foundation pit support model based on the site information;
the fourth establishing module is used for establishing an outdoor pipe network model and an accessory facility model based on the site information and the foundation and foundation pit supporting model;
the integration module is used for carrying out data noise reduction and integration on the undisturbed soil model, the foundation and foundation pit supporting model, the outdoor pipe network model and the accessory facility model, and establishing a grid to obtain an integration model;
and the analysis module is used for analyzing the integrated model to obtain the volume of the earth excavated and filled in the unit.
9. A storage medium having stored thereon a computer program which, when executed by a processor, implements the BIM based three dimensional scanning earth balance analysis method of any one of claims 1 to 7.
10. A computer device comprising a storage medium, a processor, and a computer program stored on the storage medium and executable on the processor, wherein the processor implements the BIM based three-dimensional scanning earth balance analysis method of any one of claims 1 to 7 when executing the computer program.
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| CN111191307A (en) * | 2019-12-16 | 2020-05-22 | 福建建工集团有限责任公司 | Earthwork virtual construction method based on BIM + GIS technology |
| CN114462132A (en) * | 2022-02-24 | 2022-05-10 | 国网江苏省电力有限公司无锡供电分公司 | Visual monitoring method for stability of deep foundation pit in construction process |
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