CN111242498A - Construction progress management system and management method based on building information model - Google Patents
Construction progress management system and management method based on building information model Download PDFInfo
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Abstract
A construction progress management method based on a building information model comprises the following steps: establishing a first building information model according to the construction plan data, wherein the first building information model comprises a first three-dimensional model matched with the expected engineering quantity and a first time dimension corresponding to the first three-dimensional model; establishing a second building information model according to the actual construction data, wherein the second building information model comprises a second three-dimensional model matched with the actual engineering quantity and a second time dimension corresponding to the second three-dimensional model, and the time value of the second time dimension is not more than the time value of the current construction; and obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the second building information model and the first building information model.
Description
Technical Field
The invention relates to the technical field of building information models, in particular to a construction progress management system and a construction progress management method based on a building information model.
Background
Building Information Modeling (BIM) technology is a datamation tool applied to engineering design, construction and management, and is used for sharing and transmitting all life cycle processes of project planning, operation and maintenance by integrating datamation and informatization models of buildings, so that engineering technicians can correctly understand and efficiently respond to various Building Information, a foundation for cooperative work is provided for design teams and all parts of construction main bodies including buildings and operation units, and important functions are played in the aspects of improving production efficiency, saving cost and shortening construction period.
The current management of construction progress generally needs a construction project manager to compile a construction progress plan according to the construction period requirement specified by a contract, and the construction progress plan is taken as a management target to frequently check the whole construction process, and the mode has certain defects:
(1) the comparison result of the actual construction progress and the expected construction progress is not visual enough. At present, a patrol inspector checks the actual progress condition and reports the actual progress condition and the schedule confirmation form and the image data regularly (for example, at the bottom of a month), and for projects with large engineering quantities, massive form data and image data exist every month, so that the construction progress condition cannot be comprehensively and intuitively mastered, and the difference between the current construction progress and the expected construction progress cannot be conveniently obtained.
(2) The labor cost is high. At present, the storage and the calling of form data and image data need special personnel to manage, and the labor cost is increased.
(3) There is some hysteresis. In the current construction progress inspection, the inspection is generally performed monthly due to the cost, so that the information acquisition has certain hysteresis.
Disclosure of Invention
The application provides a construction progress management system and a construction progress management method based on a building information model, and the difference between the actual construction progress and the expected construction progress can be intuitively and comprehensively mastered through the method.
According to a first aspect, an embodiment provides a construction progress management method based on a building information model, including the steps of:
establishing a first building information model according to the construction plan data, wherein the first building information model comprises a first three-dimensional model matched with the expected engineering quantity and a first time dimension corresponding to the first three-dimensional model;
establishing a second building information model according to the actual construction data, wherein the second building information model comprises a second three-dimensional model matched with the actual engineering quantity and a second time dimension corresponding to the second three-dimensional model, and the time value of the second time dimension is not more than the time value of the current construction;
and obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the second building information model and the first building information model.
According to a second aspect, an embodiment provides a construction progress management system based on a building information model, including:
the input module is used for providing an input interface of construction plan data for a user;
a processor, communicatively coupled to the input module, to:
establishing a first building information model according to the construction plan data, wherein the first building information model comprises a first three-dimensional model matched with the expected engineering quantity and a first time dimension corresponding to the first three-dimensional model;
establishing a second building information model according to the actual construction data, wherein the second building information model comprises a second three-dimensional model matched with the actual engineering quantity and a second time dimension corresponding to the second three-dimensional model, and the time value of the second time dimension is not more than the time value of the current construction;
and the display module is in signal connection with the processor and is used for respectively displaying the first building information model and the second building information model.
According to the construction progress management system and the construction progress management method based on the building information model, the second building information model is compared with the first building information model, the difference between the actual construction progress and the expected construction progress can be comprehensively and visually seen on the display module, the data amount and the cost for calling and keeping the data are greatly reduced, and meanwhile, the construction site images are collected through the image collecting equipment, so that the actual construction progress is more accurately determined.
Drawings
FIG. 1 is a schematic diagram of a construction progress management system according to an embodiment;
FIG. 2 is a flow diagram of a construction progress management method of an embodiment;
fig. 3 is a flowchart illustrating specific steps of a construction progress management method according to an embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
One of differences between the building information model and a traditional CAD drawing is that the dimension is more, and more information can be expressed and borne. The building information model may express the size information of the building using the three-dimensional model, and may add the kind of material used to the three-dimensional model, and calculate the material cost according to the kind of material used and the volume of the three-dimensional model. In addition, a time dimension can be added to the building information model, different nodes are selected in the time dimension, and the building information model can present three-dimensional models with different sizes.
The ordinal numbers themselves, such as "first," "second," etc., are used herein only to distinguish the objects being described, and do not have any sequential or technical meaning. In fact, the "first building information model", "first three-dimensional model", and "first time dimension" described hereinafter may be understood as a building information model, a three-dimensional model, and a time dimension that match a planned or expected construction situation, and the "second building information model", "second three-dimensional model", and "second time dimension" may be understood as a building information model, a three-dimensional model, and a time dimension that match an actual construction situation.
Referring to fig. 1, the present embodiment provides a construction progress management system based on a building information model, which includes an input module 10, a processor 20 and a display module 30, wherein the processor 20 is electrically connected to the input module 10 and the display module 30, respectively.
The input module 10 is used to provide a user with an input interface for construction plan data including at least expected building dimensions for an engineering project, expected construction period, expected types and quantities of building components, expected usage of building raw materials, and the like. For example, the expected building size of the project can be obtained from the design drawing at the design stage, and similarly, the expected construction period, the expected type and number of building components, and the expected usage amount of building raw materials can be determined in advance at the design stage.
The input module 10 may be a keyboard, a mouse, a scanner, etc., or may be a touch screen together with the display module 30, and the user inputs the construction plan data through the input module 10. When the input module 11 is a keyboard, the user can directly input the construction plan data through the keyboard; when the input module 10 is a mouse or a touch screen, the user can input the construction plan data through a soft keyboard, operation icons, tabs, and the like of the input module 10; when the input module 10 is a scanner, the user only needs to scan the two-dimensional code, the barcode or the file with the information of the construction plan data close to the barcode scanning area of the scanner to complete the input of the construction plan data.
The processor 20 is communicatively connected to the input module 10, and is configured to establish a first building information model according to the construction plan data transmitted by the input module 10, where the first building information model includes a first three-dimensional model matching the expected engineering quantity and a first time dimension corresponding to the first three-dimensional model, that is, a certain time value is selected in the first time dimension, and the first three-dimensional model corresponds to the selected time value, and vice versa.
The first building information model is built by forward modeling, for example, the engineering project is the construction of a road, the input module 10 inputs the length, width, expected usage amount of raw materials, expected construction period and other information of the road, the processor 20 can forward build a three-dimensional model of the road after obtaining the information, and the first time dimension is matched with the expected construction period.
The expected engineering quantity refers to the engineering quantity expected to be completed, including the expected size of the target building, the expected usage amount of the raw materials for completing the part, and the like. For example, the road work may be data such as a desired length of a road and a desired thickness of a road surface, the building work may be data such as a number of floors desired to be placed, a height of each floor, a desired usage amount and kind of building components, and a desired usage amount of concrete, and the building work may be data such as a desired amount of work required to paint a wall surface in indoor construction. The matching means that the first three-dimensional model can completely and truly reflect the expected amount of work to be finished, firstly, the expected target building is zoomed according to a certain proportion in size, secondly, the used raw material amount and the raw material type can be simulated on the first three-dimensional model, and the first three-dimensional model can also reflect the expected process amount, for example, at present, one wall of a certain unit room needs to be painted with putty firstly and then painted, and then the model surface corresponding to the wall surface in the first three-dimensional model also has two layers of structures, one layer is a putty layer, the other layer is a painting layer, and the two layers of structures can be respectively and intuitively distinguished by different colors.
The processor 20 is further configured to establish a second building information model according to the actual construction data, where the second building information model includes a second three-dimensional model matched with the actual engineering quantity and a second time dimension corresponding to the second three-dimensional model, and a time value of the second time dimension is not greater than a time value of the current construction.
The actual construction data at least includes the actual building dimensions, the actual type and number of building components, and the actual usage of building raw materials. The actual construction data may be obtained by inputting corresponding data into the input module 10 by a user, or by setting the image acquisition device 40, image acquisition may be performed on a construction site, specifically:
In some embodiments, the engineering project is a road or a bridge, and an aerial device is used as the image capturing device 40 to capture the image of the construction site 50. For example, the unmanned aerial vehicle equipped with a camera is used to photograph the construction site 50 at a plurality of positions having substantially the same height from the ground, and images including the entire appearance of the construction site 50 at different angles are obtained.
In the above embodiment, the image capturing device 40 using the aerial photography device has an advantage in that the road and the bridge are often long or large in area in the horizontal direction, and the aerial photography device can be used to better photograph the overall view of the construction site 50.
In some embodiments, the engineering project is a building (e.g., a commercial building or a residential building), and the image capturing device 40 is an aerial device and a camera sequentially arranged in the direction of the construction height. For example, shoot the job site 50 of building in the room with the unmanned aerial vehicle that is equipped with the camera in the top of building on the one hand, on the other hand, need set up a plurality of tower cranes transport construction template, heavy object etc. at the job site 50 of building in general, can set gradually a plurality of cameras on the height of tower crane, carry out image acquisition to the building in the edgewise.
In the above embodiment, the advantage of using the aerial photography device and the cameras sequentially arranged in the construction height direction as the image acquisition device 40 is that the cameras sequentially arranged in the construction height direction can clearly photograph the height of the building which is already constructed, and the construction situation can be more comprehensively acquired by combining the aerial photography device.
In some embodiments, the project is an indoor project, such as a room decoration project, and the image acquisition device 40 is a scanner for acquiring an image of the job site 50. For example, a laser scanner is used to scan the interior of a room to obtain an image of the interior construction.
In the above embodiment, the scanner is adopted as the image capturing device 40, which has the advantages that the image capturing by the scanner is more accurate and is suitable for the situation with small indoor construction area.
The image information collection apparatus 20 records the image collection time while collecting the image of the construction site, and may record the time of collection of the image information in units of days, for example.
The second three-dimensional model is matched with the actual engineering quantity, wherein the actual engineering quantity refers to the actually finished engineering quantity, and comprises data such as the size of a finished building, the actual usage amount of raw materials for finishing the part of the building and the like. For example, the road work may be data such as the length of a paved road and the thickness of a road surface, the building work may be data such as the number of floors that have been cast, the height of each floor, the amount and type of building components used, and the amount of concrete used, and the indoor work may be data such as the amount of steps that have been performed to paint a wall surface. The matching means that the second three-dimensional model can completely and truly reflect the actually finished engineering quantity, firstly, the finished building is zoomed according to a certain proportion in size, secondly, the used raw material quantity and the raw material type can be simulated on the second three-dimensional model, and the second three-dimensional model can also reflect the currently finished process quantity, for example, one wall of a certain unit room is coated with putty at present, but the putty is not coated with powder, and the color display for representing the putty can be preset on the model surface corresponding to the wall surface in the second three-dimensional model.
Preferably, the processor 20 may further generate a corresponding engineering quantity list or engineering quantity chart according to the engineering quantities corresponding to the second three-dimensional model and the first three-dimensional model.
The display module 30 is in signal connection with the processor 20 for displaying the second building information model and the first building information model, respectively.
The processor 20 and the display module 30 cooperate to compare the second building information model with the first building information model and visually display the comparison result, so as to obtain the difference between the actual construction progress and the expected construction progress. Specifically, the method comprises the following steps:
in some embodiments, the processor 20 selects a time value of the current construction in the second time dimension, and obtains a second three-dimensional model corresponding to the time value of the current construction in the second building information model. On the other hand, the processor 20 selects the expected completion time value in the first time dimension, obtains the first three-dimensional model corresponding to the expected completion time value in the first building information model, compares the obtained second three-dimensional model with the first three-dimensional model, obtains the model difference between the second three-dimensional model and the first three-dimensional model, and calculates the engineering quantity corresponding to the model difference to obtain the first value. And comparing the current construction time value with the expected completion time value to obtain a second value, and obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the first value and the second value. The first value in the above embodiment may represent the difference between the current completed work amount and the expected total work amount, and the second value represents the difference between the current construction time and the total construction period, which in combination may obtain the difference between the actual progress and the expected progress.
In the above embodiment, a boolean difference operation may be performed on the first three-dimensional model and the second three-dimensional model, so as to obtain a model difference between the second three-dimensional model and the first three-dimensional model, so as to subsequently calculate a work load corresponding to the model difference.
In the above embodiment, the processor 20 may perform an overlay display on the display module 30 for the obtained second three-dimensional model and the first three-dimensional model in different display manners, for example, in different colors, in different filling patterns, or in different brightness, so as to visually see the model difference between the two three-dimensional models.
In the above embodiment, the processor 20 may further generate a corresponding engineering quantity list or engineering quantity chart according to the second building information model and the first building information model, and output the list or chart to the display module 30 for display. The engineering quantity list or the engineering quantity chart may include specific numerical values of various types of data in the engineering quantity corresponding to the second three-dimensional model, and specific numerical values of various types of data in the engineering quantity corresponding to the first three-dimensional model, such as information of raw material usage amount, size of a building, and the like. Or a work amount list or a work amount chart of the work amount corresponding to the model difference may be generated and output to the display module 30 for display.
In the above embodiment, a time value within a time value of the current construction may be selected in the second time dimension, and a time value within an expected completion time value may be selected in the first time dimension, so as to obtain the first value and the second value, respectively.
For example, the current construction time value is 30 days, the second three-dimensional model at 20 days is selected to obtain the engineering quantity corresponding to the second three-dimensional model, the expected completion time value is 60 days, the first three-dimensional model at 40 days is selected to obtain the engineering quantity corresponding to the first three-dimensional model, and then the first value and the second value are obtained.
In the above embodiment, when the obtained second three-dimensional model and the first three-dimensional model are compared, the engineering quantity corresponding to the second three-dimensional model may be calculated first, then the engineering quantity corresponding to the first three-dimensional model is calculated, then the percentage of the engineering quantity corresponding to the second three-dimensional model in the engineering quantity corresponding to the first three-dimensional model is calculated and obtained as the first value, the percentage of the current construction time in the expected construction period is calculated and obtained as the second value, and the first value is compared with the second value, so as to obtain the difference between the actual construction progress and the expected construction progress.
The comparison method has the advantages that the comparison is carried out from two aspects of engineering quantity and construction time, and the operation is more feasible.
In other embodiments, the processor 20 obtains the difference between the actual construction progress and the expected construction progress according to the engineering quantity corresponding to the model difference between the second three-dimensional model and the first three-dimensional model. The method specifically comprises the following steps: selecting time values with the same size in the second time dimension and the first time dimension, respectively obtaining a corresponding second three-dimensional model and a corresponding first three-dimensional model according to the time values, then comparing the obtained second three-dimensional model with the obtained first three-dimensional model, obtaining model difference between the second three-dimensional model and the first three-dimensional model, and calculating to obtain engineering quantities corresponding to the model difference; and obtaining the difference between the actual construction progress and the expected construction progress according to the engineering quantity corresponding to the model difference.
The above embodiments may compare the difference between the actual engineering quantities and the expected engineering quantities over the same time period.
In some embodiments, the obtaining, by the processor 20, a difference between the actual construction progress and the expected construction progress according to the comparison result of the time values of the second time dimension and the first time dimension specifically includes: a set time value is selected in the second time dimension to obtain a first time value, where the set time value may be a time value preset in the processor 20, or a time value input to the processor 20 through the input module 10 according to a requirement of a user. The processor 20 obtains a second three-dimensional model corresponding to the first time value in the second building information model, obtains a first three-dimensional model having the same engineering quantity as the second three-dimensional model in the first building information model, obtains a time value corresponding to the first three-dimensional model in the first building information model, obtains a second time value, and compares the first time value with the second time value; and obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the first time value and the second time value.
In the above-described implementation, it is possible to compare the difference between the expected construction time period taken and the actual construction time period taken when the same amount of work is completed.
The difference between the actual schedule and the expected schedule obtained in the above manner may be:
(1) the actual progress completely exceeds the expected progress, and if the actual progress is the same as the expected progress in the same construction time, the second three-dimensional model completely covers the first three-dimensional model; or when the first three-dimensional model and the second three-dimensional model are completely overlapped, the second time value is smaller than the first time value.
(2) The actual progress is completely behind the expected progress, and if the actual progress is the same as the expected progress, the first three-dimensional model completely covers the second three-dimensional model; or when the first three-dimensional model is coincident with the second three-dimensional model, the first time value is smaller than the second time value.
(3) The actual progress is partly over the expected progress and partly behind the expected progress. For example, at the same construction time, the first three-dimensional model and the second three-dimensional model have overlapped model parts, and the model parts beyond the other model parts respectively exist.
The guiding significance of the difference between the actual progress and the expected progress is obtained as follows:
(1) and guiding the allocation of the subsequent construction resources according to the difference between the actual progress and the expected progress. By knowing which sections lead, which sections lag, and the amount of work corresponding to the lead and lag sections, the resources that need to be invested to complete the projected amount of work can be calculated. The resources required to be invested and the amount of work that can be done can be referred to industry level, average level of business, and supplier level, among others.
(2) The construction plan may be adjusted in reverse. After the difference between the actual progress and the expected progress is obtained, subjective reasons and objective factors causing progress advance or delay can be truly investigated and analyzed, and a more feasible construction plan is made.
The above are some descriptions of the construction progress management system based on the building information model disclosed in the present invention. In some embodiments of the present invention, a construction progress management method based on a building information model is further disclosed, please refer to fig. 2, which includes the following steps:
The construction plan data includes at least expected construction size of the project, expected construction period, expected type and number of construction parts, expected usage amount of construction raw material, and the like. For example, the expected building size of the project can be obtained from the design drawing at the design stage, and similarly, the expected construction period, the expected type and number of building components, and the expected usage amount of building raw materials can be determined in advance at the design stage.
The first building information model comprises a first three-dimensional model matched with the expected engineering quantity and a first time dimension corresponding to the first three-dimensional model, namely, a certain time value is selected from the first time dimension and the first three-dimensional model is corresponding to the first three-dimensional model, and vice versa.
The first building information model is built in a forward modeling process, for example, the engineering project is the construction of a road, the length, the width, the expected usage amount of raw materials, the expected construction period and other information of the road are input, after the information is obtained, the three-dimensional information model of the road can be built in a forward direction, and the first time dimension is matched with the expected construction period.
The expected engineering quantity refers to the engineering quantity expected to be completed, including the expected size of the target building, the expected usage amount of the raw materials for completing the part, and the like. For example, the road work may be data such as a desired length of a road and a desired thickness of a road surface, the building work may be data such as a number of floors desired to be placed, a height of each floor, a desired usage amount and kind of building components, and a desired usage amount of concrete, and the building work may be data such as a desired amount of work required to paint a wall surface in indoor construction. The matching means that the first three-dimensional model can completely and truly reflect the actual expected engineering quantity to be finished, firstly, the expected target building is zoomed according to a certain proportion in size, secondly, the used raw material quantity and the raw material type can be simulated on the first three-dimensional model, and the first three-dimensional model can also reflect the expected process quantity, for example, at present, one wall of a certain unit room needs to be painted with putty and then painted, and the model surface corresponding to the wall surface in the first three-dimensional model also has two layers of structures, one layer is a putty layer, the other layer is a painting layer, and the two layers of structures can be respectively and intuitively distinguished by different colors.
And 200, establishing a second building information model according to the actual construction data.
The second building information model comprises a second three-dimensional model matched with the actual engineering quantity and a second time dimension corresponding to the second three-dimensional model, and the time value of the second time dimension is not more than the time value of the current construction.
The actual construction data at least includes the actual building dimensions, the actual type and number of building components, and the actual usage of building raw materials. The actual construction data can be obtained by inputting corresponding data by a user, and can also be obtained by carrying out image acquisition on a construction site and recording the image acquisition time.
Comparing the image information of the construction site with the first three-dimensional model to establish a second three-dimensional model; and generating a second time dimension according to the image acquisition time, wherein the time value of the second time dimension is not more than the time value of the current construction, and the second three-dimensional model and the time value of the second time dimension are in a one-to-one correspondence relationship, namely, a certain time value is selected from the second time dimension and is provided with a corresponding second three-dimensional model, and vice versa.
The second three-dimensional model is matched with the actual engineering quantity, wherein the actual engineering quantity refers to the actually finished engineering quantity, and comprises data such as the size of a finished building, the actual usage amount of raw materials for finishing the part of the building and the like. For example, the road work may be data such as the length of a paved road and the thickness of a road surface, the building work may be data such as the number of floors that have been cast, the height of each floor, the amount and type of building components used, and the amount of concrete used, and the indoor work may be data such as the amount of steps that have been performed to paint a wall surface. The matching means that the second three-dimensional model can completely and truly reflect the actually finished engineering quantity, firstly, the finished building is zoomed according to a certain proportion in size, secondly, the used raw material quantity and the raw material type can be simulated on the second three-dimensional model, and the second three-dimensional model can also reflect the currently finished process quantity, for example, one wall of a certain unit room is coated with putty at present, but the putty is not coated with powder, and the color display for representing the putty can be preset on the model surface corresponding to the wall surface in the second three-dimensional model.
And 300, obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the second building information model and the first building information model.
In some embodiments, the difference between the actual construction progress and the expected construction progress is obtained according to the engineering quantity corresponding to the model difference between the second three-dimensional model and the first three-dimensional model. The following examples are given for illustrative purposes.
Some embodiments, as shown in fig. 3, include: step 310, selecting a current construction time value in a second time dimension. And acquiring a second three-dimensional model corresponding to the current construction time value in the second building information model.
For example, if the current construction time value is 30 days, a second three-dimensional model of the current construction time value, that is, the construction time value is 30 days, can be obtained, and the second three-dimensional model is matched with the current actual engineering quantity.
And 312, comparing the obtained second three-dimensional model with the first three-dimensional model to obtain a model difference between the second three-dimensional model and the first three-dimensional model, and calculating to obtain a project amount corresponding to the model difference to obtain a first value.
Boolean difference calculation can be carried out on the first three-dimensional model and the second three-dimensional model, so that model difference between the second three-dimensional model and the first three-dimensional model is obtained, and then the engineering quantity corresponding to the model difference is obtained through calculation. And generating a project amount list or a project amount list for displaying the calculated project amount.
And 313, comparing the current construction time value with the expected completion time value to obtain a second value.
And step 314, obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the first value and the second value.
For another example, obtaining the difference between the actual construction progress and the expected construction progress according to the engineering quantity corresponding to the model difference between the second three-dimensional model and the first three-dimensional model includes the steps of:
in step 320, time values with the same size are selected in the second time dimension and the first time dimension.
For example, a time value of 30 days is selected in the second time dimension and the first time dimension.
And 321, respectively acquiring the corresponding second three-dimensional model and the corresponding first three-dimensional model according to the time value.
When the selection time is 30 days, a first three-dimensional model reflecting the expected engineering quantity at 30 days and a second three-dimensional model reflecting the actual engineering quantity at 30 days can be obtained.
And 322, comparing the obtained second three-dimensional model with the first three-dimensional model, obtaining the model difference between the second three-dimensional model and the first three-dimensional model, and calculating to obtain the engineering quantity corresponding to the model difference.
Boolean difference calculation can be carried out on the first three-dimensional model and the second three-dimensional model, so that model difference between the second three-dimensional model and the first three-dimensional model is obtained, and then the engineering quantity corresponding to the model difference is obtained through calculation. And generating a project amount list or a project amount list for displaying the calculated project amount.
And 323, obtaining the difference between the actual construction progress and the expected construction progress according to the engineering quantity corresponding to the model difference.
In steps 312 and 322, the obtained second three-dimensional model and the first three-dimensional model may be displayed in a superimposed manner in different display manners, such as in different colors, in different filling patterns, or in different brightness, so as to visually see the model difference between the two three-dimensional models.
For example, the three-dimensional models in the first building information model and the second building information model are respectively pure color, the three-dimensional model of the first building information model is red, and the transparency is fifty percent, namely semi-transparency; the three-dimensional model of the second building information model is green and opaque, the two models are displayed in an overlapping mode, a user can clearly see the difference between the two models, the mode is different from that of manual patrol recording, and the second building information model is established by means of the collected images, so that the second building information model can truly reflect the construction situation, which parts exceed the expected construction progress and which parts fall behind the expected construction progress, and the operation is clear at a glance.
In some embodiments, the difference between the actual construction progress and the expected construction progress can be obtained according to the comparison result of the time values of the second time dimension and the first time dimension, and the method includes the following steps:
step 330, selecting a set time value in the second time dimension to obtain the first time value.
The set time value may be a preset time value, or a time value obtained after the user sets the time value according to the requirement.
Step 331, a second three-dimensional model corresponding to the first time value in the second building information model is obtained.
Step 332, obtaining a first three-dimensional model corresponding to the engineering quantity with the same size as the second three-dimensional model in the first building information model.
Step 333, obtaining a corresponding time value of the first three-dimensional model in the first building information model, and obtaining a second time value.
In step 334, the first time value is compared with the second time value.
Step 335, obtaining a difference between the actual construction progress and the expected construction progress according to the comparison result between the first time value and the second time value.
Through steps 330 to 335, it is possible to compare the difference between the expected construction time period spent and the actual construction time period spent when the same construction amount is completed.
According to the embodiment, the second building information model is compared with the first building information model, the difference between the actual construction progress and the expected construction progress can be seen comprehensively and visually on the display module, the data amount is greatly reduced, and the cost for calling and keeping the data is greatly reduced.
Those skilled in the art will appreciate that all or part of the functions of the various methods in the above embodiments may be implemented by hardware, or may be implemented by computer programs. When all or part of the functions of the above embodiments are implemented by a computer program, the program may be stored in a computer-readable storage medium, and the storage medium may include: a read only memory, a random access memory, a magnetic disk, an optical disk, a hard disk, etc., and the program is executed by a computer to realize the above functions. For example, the program may be stored in a memory of the device, and when the program in the memory is executed by the processor, all or part of the functions described above may be implemented. In addition, when all or part of the functions in the above embodiments are implemented by a computer program, the program may be stored in a storage medium such as a server, another computer, a magnetic disk, an optical disk, a flash disk, or a removable hard disk, and may be downloaded or copied to a memory of a local device, or may be version-updated in a system of the local device, and when the program in the memory is executed by a processor, all or part of the functions in the above embodiments may be implemented.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. A construction progress management method based on a building information model is characterized by comprising the following steps:
establishing a first building information model according to the construction plan data, wherein the first building information model comprises a first three-dimensional model matched with the expected engineering quantity and a first time dimension corresponding to the first three-dimensional model;
establishing a second building information model according to the actual construction data, wherein the second building information model comprises a second three-dimensional model matched with the actual engineering quantity and a second time dimension corresponding to the second three-dimensional model, and the time value of the second time dimension is not more than the time value of the current construction;
and obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the second building information model and the first building information model.
2. The method of claim 1, wherein said building a second building information model from actual construction data comprises:
the construction stage is used for receiving the collected image information of the construction site and the image collection time corresponding to the image information;
comparing the image information with the first three-dimensional model to establish a second three-dimensional model;
a second time dimension is generated from the image acquisition time.
3. The method of claim 1, wherein the construction plan data includes at least expected building dimensions for a construction project, expected construction period, expected types and quantities of building components, and expected usage of building raw materials.
4. The method of claim 1, wherein obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result between the second building information model and the first building information model specifically comprises:
selecting a current construction time value on a second time dimension;
acquiring a second three-dimensional model corresponding to the current construction time value in a second building information model;
selecting an expected completion time value in a first time dimension;
acquiring a first three-dimensional model corresponding to the expected completion time value in the first building information model;
comparing the obtained second three-dimensional model with the first three-dimensional model to obtain a model difference between the second three-dimensional model and the first three-dimensional model, and calculating to obtain a project amount corresponding to the model difference to obtain a first value;
comparing the current construction time value with the expected completion time value to obtain a second value;
and obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the first value and the second value.
5. The method of claim 1, wherein obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result between the second building information model and the first building information model comprises obtaining the difference between the actual construction progress and the expected construction progress according to the engineering quantity corresponding to the model difference between the second three-dimensional model and the first three-dimensional model, and specifically comprises:
selecting time values with the same size in the second time dimension and the first time dimension;
respectively acquiring a corresponding second three-dimensional model and a corresponding first three-dimensional model according to the time value;
comparing the obtained second three-dimensional model with the first three-dimensional model to obtain a model difference between the second three-dimensional model and the first three-dimensional model, and calculating to obtain a project amount corresponding to the model difference;
and obtaining the difference between the actual construction progress and the expected construction progress according to the engineering quantity corresponding to the model difference.
6. The method of claim 4 or 5, wherein aligning the second three-dimensional model with the first three-dimensional model comprises:
and respectively displaying the second three-dimensional model and the first three-dimensional model in a superposition manner in different display manners, wherein the different display manners comprise: one or more of displaying in different colors, displaying in different fill patterns, and displaying at different brightnesses;
and performing Boolean difference operation on the first three-dimensional model and the second three-dimensional model to obtain the model difference between the second three-dimensional model and the first three-dimensional model.
7. The method of claim 1, wherein obtaining the difference between the actual construction progress and the expected construction progress according to the comparison of the second building information model and the first building information model comprises obtaining the difference between the actual construction progress and the expected construction progress according to the comparison of the time values of the second time dimension and the first time dimension, and specifically comprises:
selecting a set time value in a second time dimension to obtain a second time value;
acquiring a second three-dimensional model corresponding to the second time value in the second building information model;
acquiring a first three-dimensional model corresponding to the engineering quantity with the same size as the second three-dimensional model in the first building information model;
acquiring a time value corresponding to the first three-dimensional model in the first building information model to obtain a first time value;
comparing the first time value with the second time value;
and obtaining the difference between the actual construction progress and the expected construction progress according to the comparison result of the first time value and the second time value.
8. A construction progress management system based on a building information model is characterized by comprising:
the input module is used for providing an input interface of construction plan data for a user;
a processor, communicatively coupled to the input module, to:
establishing a first building information model according to the construction plan data, wherein the first building information model comprises a first three-dimensional model matched with the expected engineering quantity and a first time dimension corresponding to the first three-dimensional model;
establishing a second building information model according to the actual construction data, wherein the second building information model comprises a second three-dimensional model matched with the actual engineering quantity and a second time dimension corresponding to the second three-dimensional model, and the time value of the second time dimension is not more than the time value of the current construction;
and the display module is in signal connection with the processor and is used for respectively displaying the first building information model and the second building information model.
9. The system of claim 8, further comprising an image collecting device provided at the construction site for collecting image information of the construction site and recording an image collecting time, and outputting the image information and the image collecting time;
the processor is in communication connection with the image acquisition device and is configured to: the construction stage is used for receiving construction site image information acquired by image acquisition equipment and image acquisition time corresponding to the image information;
comparing the image information with the first three-dimensional model to establish a second three-dimensional model;
a second time dimension is generated from the image acquisition time.
10. The system of claim 9, wherein the image acquisition device comprises one or more of a scanner, an aerial device, and a camera arranged in sequence in a construction height direction.
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