CN111400800B - Building construction quality control system and method based on BIM and VR technology - Google Patents
Building construction quality control system and method based on BIM and VR technology Download PDFInfo
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Abstract
The invention discloses a building construction quality control system and method based on BIM and VR technology, the system comprises an initial VR projection module, a construction material suggestion pre-selection module, a real-time construction monitoring module, a BIM difference comparison module and a main structure detail presentation module, wherein the initial VR projection module is used for VR imaging of a selected design drawing, the construction material suggestion pre-selection module is used for providing suggestions of construction materials but selecting decoration materials according to the requirements of customers, the real-time construction monitoring module is used for carrying out real-time measurement, acceptance and monitoring on a construction site, the BIM difference comparison module is used for comparing the selected design drawing with actual site decoration, and the main structure detail presentation module is used for carrying out quality evaluation on a main structure after finishing decoration, and the system has the advantages that: the invention can actually check the construction quality of the house and avoid the difference between the actual house and the template house.
Description
Technical Field
The invention relates to the field of buildings, in particular to a building construction quality control system and method based on BIM and VR technology.
Background
The BIM is a new tool for architecture, engineering and civil engineering, and its core is to provide a complete building engineering information base consistent with the actual situation for the model by establishing a virtual building engineering three-dimensional model and using digital technology. The information base not only contains geometrical information, professional attributes and state information describing building components, but also contains state information of non-component objects (such as space and motion behaviors). By means of the three-dimensional model containing the construction engineering information, the information integration degree of the construction engineering is greatly improved, and therefore a platform for engineering information exchange and sharing is provided for related interest parties of the construction engineering project.
VR is a virtual reality technology that encompasses a computer, electronic information, and simulation technologies, and is basically implemented in such a way that the computer simulates a virtual environment to give people a sense of environmental immersion. With the continuous development of social productivity and scientific technology, VR technology is increasingly in great demand in various industries. The VR technology has made great progress and gradually becomes a new virtual reality technology in the scientific and technical field, that is, the virtual reality technology utilizes data in real life and combines electronic signals generated by computer technology with various output devices to convert the electronic signals into phenomena which can be felt by people, and the phenomena can be true and real objects in reality and can also be substances which can not be seen by the naked eyes and are expressed by a three-dimensional model. Because these phenomena are not directly visible, but are simulated by computer technology, they are called virtual reality;
the Chinese patent with the current publication number of CN109583085A discloses a building construction quality control method based on BIM and VR technology, which comprises the steps of creating a deepened graph of sample plate nodes of each professional virtual process; creating a visual process template based on the BIM technology; identifying detailed components, materials, quality acceptance standard diagrams and construction process flow diagrams in a virtual process sample plate based on a BIM technology, and rendering and creating a 4K-level process node diagram; creating a virtual process template three-dimensional panorama by using VR technology; compiling a detail node introduction description audio file in the virtual process template; uploading the BIM + VR virtual process template drawing and the audio file to a VR-level cloud management platform; and adding a virtual process template construction process introduction audio file in the VR-level cloud management platform.
Although the building construction quality control method based on the BIM and VR technology realizes the application of the BIM technology and the VR technology in a virtual process sample plate, realizes the management concept of green construction with land saving, material saving and energy saving, and has high economic benefit and social benefit, the information of a client and a construction party is asymmetric due to the inexperience of the client to the building industry, and the construction process performed in the virtual sample plate has certain packing property and exemplarity, and the construction quality of a house can not be actually checked.
Disclosure of Invention
The invention aims to provide a building construction quality control system and method based on BIM and VR technologies, so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a building construction quality control system based on BIM and VR technology comprises an initial VR image projection module, a construction material suggestion pre-selection module, a real-time construction monitoring module, a BIM difference comparison module and a main structure detail presentation module, wherein the initial VR image projection module, the construction material suggestion pre-selection module and the real-time construction monitoring module are sequentially connected through an intranet;
the initial VR image projection module is used for performing VR imaging on a selected design drawing, the construction material suggestion pre-selection module is used for providing suggestions of construction materials and selecting decoration materials according to the requirements of customers, the real-time construction monitoring module is used for performing real-time measurement, acceptance and monitoring on a construction site, the BIM difference comparison module is used for comparing the selected design drawing with actual site decoration, and the main structure detail presentation module is used for performing quality evaluation on a main structure after finishing decoration.
According to the technical scheme: the initial VR projection module comprises a design concept diagram selection submodule and a VR template house construction design detail module, the design concept diagram selection submodule is used for selecting design diagrams of different house types according to own preferences so as to carry out AR imaging, the VR template house construction design detail module is used for explaining the design details of a template house type selected by a customer, the design details comprise room proportion and design function, and the design concept diagram selection submodule is connected with the construction material suggestion pre-selection module through an intranet.
According to the technical scheme: the VR template house construction design detail module comprises a virtual scene construction unit, the virtual scene construction unit is used for virtually imaging a decoration design drawing selected by a customer, a data glove is arranged inside the virtual scene construction unit and used for enabling a user to perform multi-mode operation in a virtual scene constructed by VR, the multi-mode operation comprises adjustment of furniture inside the virtual scene, change of wall color, change of setting in the virtual scene according to instructions of the user, and calculation of feasibility of changing of setting of the virtual scene according to data information of different areas, when the calculation feasibility is larger than 80%, the setting modified by the customer is used by default, and when the calculation feasibility is smaller than 80%, a designer needs to confirm a scheme with the customer again.
According to the technical scheme: the construction material suggestion pre-selection module comprises a material suggestion submodule and a user self-selection submodule, wherein the material suggestion submodule is used for suggesting materials according to a sample house type selected by a user, the interior of each suggested material contains the material, color, price, advantages and disadvantages and brand of the material, and the user self-selection submodule is used for enabling the user to purchase the decoration material according to the suggestion.
According to the technical scheme: the real-time construction monitoring module comprises a plurality of cameras and a partition image comparison sub-module, the cameras are used for collecting actual decoration conditions inside a house, decoration images are collected through the cameras, the collected decoration images are cut according to similar heights, the cut images are sent to the partition image comparison sub-module, the partition image comparison sub-module compares the collected images with sample plates according to four corners of different rooms in similarity, coordinates of measuring points of each wall of the room are set to be (w, x, y and z), coordinates of each image from the measuring points of the four corners to the center are set to be (wi, xi, yi and zi), i is 1, 2, … and n, and images of each image of the wall of the room, corresponding to the sample plates, are sent to the BIM difference comparison module to compare the similarity.
According to the technical scheme: the BIM difference comparison module comprises a problem real-time feedback sub-module and an artificial response channel, and the BIM difference comparison module is set to detect the similarity of each image of one wall to a corresponding decoration area of the sample plate respectivelya1, a2, a3, an-1 and an, and setting the mean value of the similarity of each wall as
= (a 1+ a2+ a3+. + an-1+ an)/n, when
Greater than 80% of the set threshold value, and reaching the acceptance level by default when the threshold value is greater than the set threshold value
And when the similarity of the wall surface is lower than 80%, the problem real-time feedback submodule feeds back the data, and the artificial response channel timely responds to the problem by a client.
According to the technical scheme: the main structure detail presentation module comprises a quality evaluation module and a decoration total budget estimation module, wherein the quality evaluation module is used for carrying out all-around detection and evaluation on decoration interior, material impermeability, material hardness, ageing resistance, wear resistance and main wall thickness, the decoration total budget estimation module estimates the total decoration amount of the house type interior and sends the estimated value to a user, and the decoration total budget estimation module carries out total estimation on design cost, material cost, labor cost and time cost.
By adopting the technical scheme: the quality evaluation module carries out all-around evaluation on the internal structure and details of the decoration, the quality score of each point is obtained according to values of different quality indexes of the interior, the material seepage resistance, the material hardness, the aging resistance, the wear resistance and the main wall thickness of the decoration, the quality score is 1-10, the quality scores are set to be B1, B2, B3, B4, B5 and B6 respectively, whether the B1, B2, B3, B4, B5 and B6 belong to {6, 10} or not is judged, the quality index of which the quality score does not belong to {6, 10} is rejected, the quality index directly verified to be not up to the acceptance standard, and when the quality index meets the {6, 10} or the quality index mean value = is calculated according to a formula
(B1 + B2+ B3+ B4+ B5+ B6), when the average value of the quality index is more than 7,the acceptance criteria are met and the customer is notified to accept.
A building construction quality control method based on BIM and VR technology comprises the following steps:
s1: performing VR imaging on the selected design drawing by using an initial VR projection module, selecting design drawings of different house types by a design concept drawing selection submodule according to own preferences so as to perform AR imaging, and explaining design details of a sample house type selected by a customer by using a VR sample house construction design detail module, wherein the design details comprise room proportion and design function;
s2: the construction material suggestion preselection module is used for providing suggestions of construction materials, but the decoration materials are selected according to the requirements of customers, the material suggestion submodule is used for suggesting materials according to a sample house type selected by a user, the interior of each suggestion material contains the material, color, price, advantages and disadvantages and brands of the material, and the user self-selection submodule enables the user to purchase the decoration materials according to the suggestions;
s3: the method comprises the steps that a real-time construction monitoring module is used for carrying out real-time measurement, acceptance and monitoring on a construction site, a plurality of cameras are used for collecting actual decoration conditions inside a house, decoration images are collected through the cameras, the collected decoration images are cut according to similar heights, the cut images are sent to a partitioned image comparison sub-module, the partitioned image comparison sub-module is used for carrying out similarity comparison on the collected images and sample plate decoration according to four corners of different rooms, coordinates of measuring points of each wall of the room are set to be (w, x, y, z), coordinates of each image from the four corner measuring points to the center are set to be (wi, xi, yi, zi), i is 1, 2, … and n, and images of areas corresponding to the sample plates of each image of the wall surfaces of the room are sent to a BIM difference comparison module for carrying out similarity comparison;
s4: comparing the selected design drawing with actual field decoration by using a BIM difference comparison module, setting the similarity of each image of one wall detected by the BIM difference comparison module to the corresponding region of the sample plate for decoration as a1, a2, a3, a
= (a 1, a2, a 3.,. an-1, an)/n, when
Greater than 80% of the set threshold value, and reaching the acceptance level by default when the threshold value is greater than the set threshold value
When the similarity of the wall surface is lower than 80%, the data are sent to a problem real-time feedback submodule, the problem real-time feedback submodule feeds back the similarity of the wall surface lower than 80%, and a manual response channel timely responds to the problem by a client;
s5: the main structure after finishing decoration is subjected to quality evaluation by using the main structure detail presentation module, the quality evaluation module carries out all-dimensional detection and evaluation on the interior of the decoration, the impermeability of materials, the hardness of the materials, the ageing resistance, the wear resistance and the thickness of the main wall, and the decoration total budget estimation module estimates the total sum of the house interior decoration and sends the estimated value to a user.
According to the technical scheme: in step S5, the main structure detail presentation module is used to perform quality assessment on the main structure after finishing decoration, the quality assessment module performs all-round detection and assessment on the interior of the decoration, the impermeability of materials, the hardness of materials, the aging resistance, the wear resistance and the thickness of the main wall, the decoration total budget estimation module estimates the total decoration amount of the house interior and sends the estimated value to the user, and the method further comprises the following steps:
the total budget estimation module of fitment carries out total estimation to design cost, material cost, labour cost and time cost, and the cost of setting for the design cost is A, and the cost of labour cost is B every day, and the cost of time cost is B, and the cost of each area material cost is C, sets for indoor length to be x, and the width is y, and the room height is h, and the door and window area is Z, sets for the wall area to be S1, and the top surface area is S2, and total area is S total, and the total budget of fitment is R total, according to the formula:
S1=（x+y）*2*h
S2=x*y
s total = [ (x + y) × 2 × h ] + (x × y) -Z
Total of R = a + Bb + [ (x + y) 2+ h + (x + y) -Z ]. C
And the decoration total budget estimation module sends the calculated R total to a client for checking, so that acceptance can be better completed.
Compared with the prior art, the invention has the beneficial effects that: the invention can actually check the construction quality of the house, and avoid the difference between the actual house and the template house;
the construction material difference comparison module is used for comparing the selected design drawing with actual field decoration, and the main structure detail presentation module is used for carrying out quality evaluation on a main structure after finishing decoration.
Drawings
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
FIG. 1 is a schematic block diagram of a building construction quality control system based on BIM and VR techniques according to the present invention;
FIG. 2 is a schematic diagram of concrete steps of a building construction quality control method based on BIM and VR technologies according to the present invention;
FIG. 3 is a schematic diagram of an implementation method of the building construction quality control system and method based on BIM and VR technologies.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the invention, a building construction quality control system and method based on BIM and VR technologies includes an initial VR projection module, a construction material suggestion pre-selection module, a real-time construction monitoring module, a BIM difference comparison module, and a main structure detail presentation module, wherein the initial VR projection module, the construction material suggestion pre-selection module, and the real-time construction monitoring module are sequentially connected through an intranet, the BIM difference comparison module is respectively connected with the initial VR projection module and the real-time construction monitoring module through the intranet, and the main structure detail presentation module is respectively connected with the real-time construction monitoring module through the intranet;
the initial VR image projection module is used for performing VR imaging on a selected design drawing, the construction material suggestion pre-selection module is used for providing suggestions of construction materials and selecting decoration materials according to the requirements of customers, the real-time construction monitoring module is used for performing real-time measurement, acceptance and monitoring on a construction site, the BIM difference comparison module is used for comparing the selected design drawing with actual site decoration, and the main structure detail presentation module is used for performing quality evaluation on a main structure after finishing decoration.
According to the technical scheme: the initial VR projection module comprises a design concept diagram selection submodule and a VR template house construction design detail module, the design concept diagram selection submodule is used for selecting design diagrams of different house types according to own preferences so as to carry out AR imaging, the VR template house construction design detail module is used for explaining the design details of a template house type selected by a customer, the design details comprise room proportion and design function, and the design concept diagram selection submodule is connected with the construction material suggestion pre-selection module through an intranet.
According to the technical scheme: the VR template house construction design detail module comprises a virtual scene construction unit, the virtual scene construction unit is used for virtually imaging a decoration design drawing selected by a customer, a data glove is arranged inside the virtual scene construction unit and used for enabling a user to perform multi-mode operation in a virtual scene constructed by VR, the multi-mode operation comprises adjustment of furniture inside the virtual scene, change of wall color, change of setting in the virtual scene according to instructions of the user, and calculation of feasibility of changing of setting of the virtual scene according to data information of different areas, when the calculation feasibility is larger than 80%, the setting modified by the customer is used by default, and when the calculation feasibility is smaller than 80%, a designer needs to confirm a scheme with the customer again.
According to the technical scheme: the construction material suggestion pre-selection module comprises a material suggestion submodule and a user self-selection submodule, wherein the material suggestion submodule is used for suggesting materials according to a sample house type selected by a user, the interior of each suggested material contains the material, color, price, advantages and disadvantages and brand of the material, and the user self-selection submodule is used for enabling the user to purchase the decoration material according to the suggestion.
According to the technical scheme: the real-time construction monitoring module comprises a plurality of cameras and a partition image comparison sub-module, the cameras are used for collecting actual decoration conditions inside a house, decoration images are collected through the cameras, the collected decoration images are cut according to similar heights, the cut images are sent to the partition image comparison sub-module, the partition image comparison sub-module compares the collected images with sample plates according to four corners of different rooms in similarity, coordinates of measuring points of each wall of the room are set to be (w, x, y and z), coordinates of each image from the measuring points of the four corners to the center are set to be (wi, xi, yi and zi), i is 1, 2, … and n, and images of each image of the wall of the room, corresponding to the sample plates, are sent to the BIM difference comparison module to compare the similarity.
According to the technical scheme: the BIM difference comparison module comprises a problem real-time feedback sub-module and a manual response channel, the BIM difference comparison module is used for detecting that the similarity of each image of one wall to a corresponding region of a template decoration is respectively a1, a2, a3, a-1 and an, and the mean value of the similarity of each wall is set as
= (a 1+ a2+ a3+. + an-1+ an)/n, when
Greater than 80% of the set threshold value, and reaching the acceptance level by default when the threshold value is greater than the set threshold value
And when the similarity of the wall surface is lower than 80%, the problem real-time feedback submodule feeds back the data, and the artificial response channel timely responds to the problem by a client.
According to the technical scheme: the main structure detail presentation module comprises a quality evaluation module and a decoration total budget estimation module, wherein the quality evaluation module is used for carrying out all-around detection and evaluation on decoration interior, material impermeability, material hardness, ageing resistance, wear resistance and main wall thickness, the decoration total budget estimation module estimates the total decoration amount of the house type interior and sends the estimated value to a user, and the decoration total budget estimation module carries out total estimation on design cost, material cost, labor cost and time cost.
By adopting the technical scheme: the quality evaluation module carries out all-around evaluation on the internal structure and details of the decoration, the quality score of each point is obtained according to values of different quality indexes of the interior, the material seepage resistance, the material hardness, the aging resistance, the wear resistance and the main wall thickness of the decoration, the quality score is 1-10, the quality scores are set to be B1, B2, B3, B4, B5 and B6 respectively, whether the B1, B2, B3, B4, B5 and B6 belong to {6, 10} or not is judged, the quality index of which the quality score does not belong to {6, 10} is rejected, the quality index directly verified to be not up to the acceptance standard, and when the quality index meets the {6, 10} or the quality index mean value = is calculated according to a formula
(B1 + B2+ B3+ B4+ B5+ B6), when the average value of the quality index is more than 7, the acceptance criterion is reached, and the client is informed to accept.
A building construction quality control method based on BIM and VR technology comprises the following steps:
s1: performing VR imaging on the selected design drawing by using an initial VR projection module, selecting design drawings of different house types by a design concept drawing selection submodule according to own preferences so as to perform AR imaging, and explaining design details of a sample house type selected by a customer by using a VR sample house construction design detail module, wherein the design details comprise room proportion and design function;
s2: the construction material suggestion preselection module is used for providing suggestions of construction materials, but the decoration materials are selected according to the requirements of customers, the material suggestion submodule is used for suggesting materials according to a sample house type selected by a user, the interior of each suggestion material contains the material, color, price, advantages and disadvantages and brands of the material, and the user self-selection submodule enables the user to purchase the decoration materials according to the suggestions;
s3: the method comprises the steps that a real-time construction monitoring module is used for carrying out real-time measurement, acceptance and monitoring on a construction site, a plurality of cameras are used for collecting actual decoration conditions inside a house, decoration images are collected through the cameras, the collected decoration images are cut according to similar heights, the cut images are sent to a partitioned image comparison sub-module, the partitioned image comparison sub-module is used for carrying out similarity comparison on the collected images and sample plate decoration according to four corners of different rooms, coordinates of measuring points of each wall of the room are set to be (w, x, y, z), coordinates of each image from the four corner measuring points to the center are set to be (wi, xi, yi, zi), i is 1, 2, … and n, and images of areas corresponding to the sample plates of each image of the wall surfaces of the room are sent to a BIM difference comparison module for carrying out similarity comparison;
s4: comparing the selected design drawing with actual field decoration by using a BIM difference comparison module, setting the similarity of each image of one wall detected by the BIM difference comparison module to the corresponding region of the sample plate for decoration as a1, a2, a3, a
= (a 1, a2, a 3.,. an-1, an)/n, when
Greater than 80% of the set threshold value, and reaching the acceptance level by default when the threshold value is greater than the set threshold value
When the similarity of the wall surface is lower than 80%, the data are sent to a problem real-time feedback submodule, the problem real-time feedback submodule feeds back the similarity of the wall surface lower than 80%, and a manual response channel timely responds to the problem by a client;
s5: the main structure after finishing decoration is subjected to quality evaluation by using the main structure detail presentation module, the quality evaluation module carries out all-dimensional detection and evaluation on the interior of the decoration, the impermeability of materials, the hardness of the materials, the ageing resistance, the wear resistance and the thickness of the main wall, and the decoration total budget estimation module estimates the total sum of the house interior decoration and sends the estimated value to a user.
According to the technical scheme: in step S5, the main structure detail presentation module is used to perform quality assessment on the main structure after finishing decoration, the quality assessment module performs all-round detection and assessment on the interior of the decoration, the impermeability of materials, the hardness of materials, the aging resistance, the wear resistance and the thickness of the main wall, the decoration total budget estimation module estimates the total decoration amount of the house interior and sends the estimated value to the user, and the method further comprises the following steps:
the total budget estimation module of fitment carries out total estimation to design cost, material cost, labour cost and time cost, and the cost of setting for the design cost is A, and the cost of labour cost is B every day, and the cost of time cost is B, and the cost of each area material cost is C, sets for indoor length to be x, and the width is y, and the room height is h, and the door and window area is Z, sets for the wall area to be S1, and the top surface area is S2, and total area is S total, and the total budget of fitment is R total, according to the formula:
S1=（x+y）*2*h
S2=x*y
s total = [ (x + y) × 2 × h ] + (x × y) -Z
Total of R = a + Bb + [ (x + y) 2+ h + (x + y) -Z ]. C
And the decoration total budget estimation module sends the calculated R total to a client for checking, so that acceptance can be better completed.
Example 1: limiting conditions, setting design costsThe cost is 5000, the cost of labor cost per day is 1000 yuan, the cost of time cost is 30 days, the cost of material cost per area is 500 yuan, the length of the indoor is 10m, the width is 8m, the height of the indoor is 4m, the area of a door and a window is 16m2Setting the wall surface area to be S1, the top surface area to be S2, the total area to be S total, and the total decoration budget to be R total according to the formula:
S1=（x+y）*2*h
S2=x*y
s total = [ (x + y) × 2 × h ] + (x × y) -Z
Total of R = a + Bb + [ (x + y) 2+ h + (x + y) -Z ]. C
Calculating to obtain: s1= (10 + 8) × 2 × 4=144m2；S2=10*8=80m2(ii) a S total = [ (10 + 8) × 2 × 4]+（10*8）-16]=208m2(ii) a R total =5000+1000 +30 +208 + 500=139000 members; the decoration total budget estimation module sends the calculated 139000 yuan to the client for checking, so that the acceptance can be better completed.
Example 2: the conditions are limited, the cost of design fee is set to 6500, the cost of labor fee per day is 800 yuan, the cost of time fee is 50 days, the cost of material fee per area is 750 yuan, the length of the indoor is set to 18m, the width is set to 9m, the height of the indoor is set to 4m, the area of the door and the window is set to 35m2Setting the wall surface area to be S1, the top surface area to be S2, the total area to be S total, and the total decoration budget to be R total according to the formula:
S1=（x+y）*2*h
S2=x*y
s total = [ (x + y) × 2 × h ] + (x × y) -Z
Total of R = a + Bb + [ (x + y) 2+ h + (x + y) -Z ]. C
Calculating to obtain: s1= (18 + 9) × 2 × 4=216m2；S2=18*9=162m2(ii) a Stotal = [ (18 + 9) × 2 × 4]+（18*9）-35]=343m2(ii) a Total =6500+800 × 50+343 × 750=303750 elements; the decoration total budget estimation module sends the calculated 303750 yuan to the client for checking, so that the acceptance can be better completed.
Example 3: the design cost is 3000, the labor cost is 300 yuan per day, the time cost is 60 days, the material cost per area is 400 yuan, and the indoor length is set as8m, 6m in width, 3.5m in height and 14m in area2Setting the wall surface area to be S1, the top surface area to be S2, the total area to be S total, and the total decoration budget to be R total according to the formula:
S1=（x+y）*2*h
S2=x*y
s total = [ (x + y) × 2 × h ] + (x × y) -Z
Total of R = a + Bb + [ (x + y) 2+ h + (x + y) -Z ]. C
Calculating to obtain: s1= (8 + 6) × 2 × 3.5=98m2；S2=8*6=48m2(ii) a Stotal = [ (8 + 6) × 2 × 3.5]+（8*6）-14]=132m2(ii) a R total =3000+300 × 60+132 × 400=73800 elements; the decoration total budget estimation module sends the calculated 73800 yuan to the client for checking, so that the acceptance can be better completed.
Example 4: the design cost is set to 4500, the labor cost per day is 280 yuan, the time cost is 45 days, the material cost per area is 350 yuan, the indoor length is 10m, the width is 6m, the indoor height is 3.5m, and the area of the door and the window is 20m2Setting the wall surface area to be S1, the top surface area to be S2, the total area to be S total, and the total decoration budget to be R total according to the formula:
S1=（x+y）*2*h
S2=x*y
s total = [ (x + y) × 2 × h ] + (x × y) -Z
Total of R = a + Bb + [ (x + y) 2+ h + (x + y) -Z ]. C
Calculating to obtain: s1= (10 + 6) × 2 × 3.5=112m2；S2=8*6=48m2(ii) a Stotal = [ (8 + 6) × 2 × 3.5]+（8*6）-14]=140m2(ii) a R total =4500+280 + 45+140 + 350=66100 elements; the decoration total budget estimation module sends the calculated 66100 yuan to the client for checking, so that the acceptance can be better completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (3)
1. The utility model provides a building construction quality control system based on BIM and VR technique which characterized in that: the system comprises an initial VR (virtual reality) image shooting module, a construction material suggestion pre-selection module, a real-time construction monitoring module, a BIM difference comparison module and a main structure detail presenting module, wherein the initial VR image shooting module, the construction material suggestion pre-selection module and the real-time construction monitoring module are sequentially connected through an intranet;
the initial VR image projection module is used for performing VR imaging on a selected design drawing, the construction material suggestion pre-selection module is used for providing suggestions of construction materials but selecting decoration materials according to the requirements of customers, the real-time construction monitoring module is used for performing real-time measurement, acceptance and monitoring on a construction site, the BIM difference comparison module is used for comparing the selected design drawing with actual site decoration, and the main structure detail presentation module is used for performing quality evaluation on a main structure after finishing decoration;
the initial VR projection module comprises a design concept diagram selection submodule and a VR template house construction design detail module, the design concept diagram selection submodule is used for selecting design diagrams of different house types according to own preferences so as to carry out VR imaging, the VR template house construction design detail module is used for explaining the design details of a template house type selected by a customer, wherein the design details comprise room proportion and design function, and the design concept diagram selection submodule is connected with the construction material suggestion pre-selection module through an intranet;
the VR template house construction design detail module comprises a virtual scene construction unit, the virtual scene construction unit is used for virtually imaging a decoration design drawing selected by a client, a data glove is arranged inside the virtual scene construction unit and is used for enabling a user to perform multi-mode operation in a virtual scene constructed by VR, the multi-mode operation comprises adjustment of furniture inside the virtual scene and change of wall color, setting in the virtual scene is changed according to instructions of the user, feasibility of changing the setting of the virtual scene is calculated according to data information of different areas, when the calculated feasibility is larger than 80%, the setting modified by the client is used in a default mode, and when the calculated feasibility is smaller than 80%, a designer needs to re-confirm a scheme with the client;
s1: performing VR imaging on the selected design drawing by using an initial VR projection module, selecting design drawings of different house types by a design concept drawing selection submodule according to own preferences so as to perform VR imaging, and explaining design details of a sample house type selected by a customer by using a VR sample house construction design detail module, wherein the design details comprise room proportion and design action;
s2: the construction material suggestion preselection module is used for providing suggestions of construction materials, but the decoration materials are selected according to the requirements of customers, the material suggestion submodule is used for suggesting materials according to a sample house type selected by a user, the interior of each suggestion material contains the material, color, price, advantages and disadvantages and brands of the material, and the user self-selection submodule enables the user to purchase the decoration materials according to the suggestions;
s3: the method comprises the steps that a real-time construction monitoring module is used for carrying out real-time measurement, acceptance and monitoring on a construction site, a plurality of cameras are used for collecting actual decoration conditions inside a house, decoration images are collected through the cameras, the collected decoration images are cut according to similar heights, the cut images are sent to a partitioned image comparison sub-module, the partitioned image comparison sub-module is used for carrying out similarity comparison on the collected images and sample plate decoration according to four corners of different rooms, coordinates of measuring points of each wall of the room are set to be (w, x, y, z), coordinates of each image from the four corner measuring points to the center are set to be (wi, xi, yi, zi), i is 1, 2, … and n, and images of areas corresponding to the sample plates of each image of the wall surfaces of the room are sent to a BIM difference comparison module for carrying out similarity comparison;
s4: using BIM diversity contrast module to assign design to selected designThe drawing is compared with actual field decoration, the BIM difference comparison module is set to detect that the similarity of each image of one wall to the corresponding area of the template decoration is a1, a2, a3, a
an)/n when
Greater than 80% of the set threshold value, and reaching the acceptance level by default when the threshold value is greater than the set threshold value
When the similarity of the wall surface is lower than 80%, the data are sent to a problem real-time feedback submodule, the problem real-time feedback submodule feeds back the similarity of the wall surface lower than 80%, and a manual response channel timely responds to the problem by a client;
s5: the main structure detail presentation module is used for carrying out quality evaluation on the main structure after finishing decoration, the quality evaluation module carries out omnibearing detection and evaluation on the interior of the decoration, the impermeability of materials, the hardness of the materials, the ageing resistance, the wear resistance and the thickness of a main wall, the decoration total budget estimation module estimates the total decoration amount of the house type interior and sends the estimated value to a user;
in step S5, the main structure detail presentation module is used to perform quality evaluation on the main structure after finishing decoration, the quality evaluation module performs all-round detection and evaluation on the interior of the decoration, the impermeability of the material, the hardness of the material, the aging resistance, the wear resistance and the thickness of the main wall, the decoration total budget estimation module estimates the total decoration amount of the house interior, and sends the estimated value to the user, and the method further includes the following steps:
the total budget estimation module of fitment carries out total estimation to design cost, material cost, labour cost and time cost, and the cost of setting for the design cost is A, and the cost of labour cost is B every day, and the cost of time cost is B, and the cost of each area material cost is C, sets for indoor length to be x, and the width is y, and the room height is h, and the door and window area is Z, sets for the wall area to be S1, and the top surface area is S2, and total area is S total, and the total budget of fitment is R total, according to the formula:
S1＝(x+y)*2*h
S2＝x*y
(x + y) 2 h + Z
R total ═ a + Bb + [ (x + y) × 2 × h + (x × y) -Z ] × C
The decoration total budget estimation module sends the calculated R total to a client for checking, so that acceptance can be better completed;
the construction material suggestion pre-selection module comprises a material suggestion submodule and a user self-selection submodule, wherein the material suggestion submodule is used for suggesting materials according to a sample room type selected by a user, the interior of each suggested material contains the material, color, price, advantages and disadvantages and brand of the material, and the user self-selection submodule is used for enabling the user to purchase the decoration material according to the suggestion;
the real-time construction monitoring module comprises a plurality of cameras and a partitioned image comparison sub-module, the cameras are used for collecting actual decoration conditions inside a house, decoration images are collected through the cameras, the collected decoration images are cut according to similar heights, the cut images are sent to the partitioned image comparison sub-module, the partitioned image comparison sub-module compares the collected images with sample plates according to four corners of different rooms in similarity, coordinates of measuring points of each wall of the room are set to be (w, x, y and z), coordinates of each image from the measuring points of the four corners to the center are set to be (wi, xi, yi and zi), i is 1, 2, … and n, and images of areas corresponding to the sample plates of each image on the wall of the room are sent to the BIM difference comparison module for comparison of the similarity;
the BIM difference comparison module comprises a problem real-time feedback sub-module and a manual response channel, the BIM difference comparison module is used for detecting that the similarity of each image of one wall to a corresponding region of a template decoration is respectively a1, a2, a3, a-1 and an, and the mean value of the similarity of each wall is set as
When in use
Greater than 80% of the set threshold value, and reaching the acceptance level by default when the threshold value is greater than the set threshold value
And when the similarity of the wall surface is lower than 80%, the problem real-time feedback submodule feeds back the data, and the artificial response channel timely responds to the problem by a client.
2. The BIM and VR based building construction quality control system of claim 1, wherein the main structure detail presenting module comprises a quality evaluation module and a decoration total budget estimation module, the quality evaluation module is used for carrying out all-round detection and evaluation on decoration interior, material impermeability, material hardness, aging resistance, wear resistance and main wall thickness, the decoration total budget estimation module estimates the total amount of decoration of the house interior and transmits the estimated value to a user, and the decoration total budget estimation module comprises total estimation on design cost, material cost, labor cost and time cost.
3. The building construction quality control system based on BIM and VR technique of claim 2, wherein the quality evaluation module carries out all-dimensional evaluation on the decoration internal structure and details, and obtains the quality score of each quality index according to the values of different quality indexes of decoration internal, material impermeability, material hardness, aging resistance, wear resistance and main wall thickness, and the value range of the quality score is [1,10 ]]The quality scores are set to be B1, B2, B3, B4, B5 and B6, respectively, and whether or not B1, B2, B3, B4, B5 and B6 belong to the section [6, 10]Reject quality score not within interval [6, 10]The quality index of (2) is directly verified not to meet the acceptance standard, and when the quality index meets the interval of [6, 10 ]]Then calculate according to the formula
And when the average value of the quality indexes is more than 7, the quality indexes reach the acceptance standard, and the client is informed to accept.
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| CN113255033B (en) * | 2021-05-11 | 2022-04-05 | 上海慧之建建设顾问有限公司 | Building engineering supervision intelligent integrated cloud platform based on BIM technology and supervision method |
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