Construction benefit analysis method and system for concrete outer wall with built-in thermal bridge blocking

Abstract

The invention discloses a construction benefit analysis method and system for a concrete outer wall with built-in thermal bridge blocking, and relates to the technical field of construction benefit analysis. Different thermal bridge blocking layers are configured in the three-dimensional model of the concrete outer wall to generate different initial configuration schemes, temperature distribution diagrams of the different initial configuration schemes are obtained, a plurality of blocking areas and blocking coefficients thereof are obtained in the temperature distribution diagrams, and a blocking evaluation model is constructed. All the blocking areas are reconfigured to generate different composite configuration schemes, composite blocking coefficients are obtained, sound insulation points of the different composite configuration schemes and sound insulation coefficients of the sound insulation points are obtained, the construction cost is obtained, the sound insulation coefficients and the composite blocking coefficients are combined, and an optimal configuration scheme is obtained and fed back; the heat bridge blocking effect of different interlayer materials and interlayer thicknesses can be effectively reflected, and the heat bridge blocking effect of a local area can be improved in a targeted mode.

Description

Technical Field

[0001] The present invention relates to the technical field of construction benefit analysis, and in particular to a method and system for analyzing the construction benefit of a concrete exterior wall with built-in thermal bridge blocking. Background Art

[0002] Thermal bridge blocking technology significantly reduces heat loss by blocking the thermal bridge effect at the junction of the inner and outer walls of the building or at the junction of different materials, thereby improving the thermal insulation performance of the building. This technology can not only reduce the heating load in winter, but also reduce the air conditioning load in summer, effectively reducing the energy consumption of the building throughout the year; The construction of concrete exterior walls with built-in thermal bridge blocking has shown significant benefits in terms of energy saving, economy, building quality and living comfort. The application of this technology not only conforms to the current concept of green building and sustainable development, but also can bring long-term economic and social benefits to construction projects. How to comprehensively evaluate the thermal bridge blocking effect and other factors has become a problem that needs to be solved; In the prior art, the setting of the thermal bridge blocking layer is often inflexible, and the same interlayer material and interlayer thickness are often used for different thermal bridge structures, resulting in poor overall thermal bridge blocking effect. The prior art also lacks technical means for comprehensively evaluating the thermal bridge blocking effect and other factors, resulting in the configuration of the thermal bridge blocking layer failing to meet various requirements. To this end, the present invention provides a method and system for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking. Summary of the invention

[0003] The object of the present invention is to provide a method and system for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking.

[0004] The purpose of the present invention can be achieved by the following technical solution: A method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking, comprising the following steps: Step S1: collecting basic data of the construction site and real-time data of the construction process, and constructing a three-dimensional model of the concrete exterior wall, configuring different thermal bridge blocking layers in the three-dimensional model to generate different initial configuration schemes; Step S2: performing heat conduction simulation on the concrete exterior wall to obtain a temperature distribution diagram of the concrete exterior wall under different initial configuration schemes, obtaining a number of blocking areas and their blocking coefficients under different initial configuration schemes in the temperature distribution diagram, and constructing a corresponding blocking evaluation model; Step S3: reconfiguring the thermal bridge blocking layer at each blocking area to generate different composite configuration schemes, and obtaining corresponding composite blocking coefficients; Step S4: obtaining sound insulation points under different composite configuration schemes, and performing acoustic simulation on the concrete exterior wall to obtain the sound insulation coefficients of each sound insulation point under different composite configuration schemes; Step S5: Obtain the construction costs under different composite configuration schemes, and obtain the optimal configuration scheme by combining the sound insulation coefficient and the composite blocking coefficient and provide feedback.

[0005] Furthermore, the process of collecting basic data of the construction site and real-time data of the construction process and constructing a three-dimensional model of the concrete exterior wall includes: The basic data refers to the architectural drawings, material parameters, construction technology, and climate conditions of the construction site, and the real-time data refers to the temperature, humidity, and density of concrete pouring during the construction process; Computer-aided design software is used to construct a three-dimensional model of the concrete exterior wall based on basic data and real-time data. The three-dimensional model includes the structure, size, shape, and material of the concrete exterior wall.

[0006] Furthermore, the process of configuring different thermal bridge blocking layers in the three-dimensional model to generate different initial configuration schemes includes: By arranging an extruded insulation board interlayer in the concrete outer wall, a thermal bridge blocking layer is formed at a key position of the concrete outer wall, wherein the thermal bridge blocking layer comprises different interlayer materials and interlayer thicknesses; Using building information modeling technology, the thermal bridge blocking layers of different interlayer materials and interlayer thicknesses were recorded separately, and the three-dimensional model of the concrete exterior wall was imported into the building information model; In the building information model, thermal bridge blocking layers with different interlayer materials and interlayer thicknesses are configured for the three-dimensional model, and different initial configuration schemes are generated.

[0007] Furthermore, the process of performing heat conduction simulation on the concrete exterior wall to obtain the temperature distribution diagram of the concrete exterior wall under different initial configuration schemes includes: A mathematical model of the concrete exterior wall is constructed based on the three-dimensional model. Boundary conditions and initial conditions are set in the mathematical model. The heat conduction equation is solved using the finite element method to obtain the temperature distribution of the concrete exterior wall. The heat conduction of the concrete exterior wall is simulated using numerical simulation software. Obtain the external surface temperature data of the concrete exterior wall under a single initial configuration scheme, divide the external surface temperature data into different value intervals according to the value size, set a color corresponding to the wavelength for each value interval, and render the concrete exterior wall in the color corresponding to the external surface temperature data; A corresponding temperature distribution map is generated according to the concrete exterior wall after rendering, the temperature distribution maps under different initial configuration schemes are obtained, and the temperature distribution map is bound to its initial configuration scheme.

[0008] Furthermore, the process of obtaining several blocking areas and their blocking coefficients under different initial configuration schemes in the temperature distribution diagram and constructing a corresponding blocking evaluation model includes: Set the wavelength standard, obtain the wavelength value corresponding to the color of each pixel in a single temperature distribution map, and obtain the blocking area of ​​the temperature distribution map according to the wavelength value and the wavelength standard; Get the blocking area S of each blocking area i , i=1, 2, ..., n, n is the number of blocking areas in the temperature distribution diagram, and the wavelength mean B of each blocking area in its temperature distribution diagram is obtained. hi ; Obtain the unblocked temperature distribution map of the concrete exterior wall, and obtain the wavelength mean value B of each blocking area in the corresponding area of ​​the unblocked temperature distribution map. qi , obtain the blocking coefficient Z of each blocking zone under the initial configuration scheme corresponding to the temperature distribution diagram i ;

[0009] According to the blocking area and blocking coefficient of each blocking zone under the initial configuration schemes corresponding to different temperature distribution diagrams, a blocking evaluation set is generated in combination with the interlayer materials and interlayer thicknesses in different initial configuration schemes, and the blocking evaluation set is divided into a training set and a test set; Constructing a convolutional neural network, taking different interlayer materials, interlayer thicknesses, and blocking area in the training set as input data of the convolutional neural network, taking the corresponding blocking coefficients in the training set as output data of the convolutional neural network, and training the convolutional neural network to obtain an initial convolutional neural network; The test set is used to verify the model of the initial convolutional neural network, and the initial convolutional neural network with an output value less than or equal to a preset test error threshold is used as the corresponding blocking assessment model.

[0010] Furthermore, the process of reconfiguring the thermal bridge blocking layer at each blocking area to generate different composite configuration schemes and obtaining the corresponding composite blocking coefficient includes: Obtain the mean values ​​of the blocking coefficients under each initial configuration scheme, and take the initial configuration scheme with the largest mean value of the blocking coefficient as the best initial configuration scheme; Reconfigure the thermal bridge blocking layer at each blocking area in the optimal initial configuration scheme, and generate different composite configuration schemes. Input the interlayer material, interlayer thickness, and blocking area of ​​each blocking area under the composite configuration scheme into the blocking evaluation model to obtain the composite blocking coefficient of each blocking area. The reconfiguration includes two configuration modes, one is to increase the thickness of the interlayer on the basis of the original interlayer material, and the other is to replace the interlayer material while keeping the thickness of the interlayer unchanged.

[0011] Furthermore, the process of obtaining the sound insulation points under different composite configuration schemes and performing acoustic simulation on the concrete exterior wall to obtain the sound insulation coefficients of each sound insulation point under different composite configuration schemes includes: The center of the blocking area under the composite configuration scheme is used as the sound insulation point, and several points on the concrete exterior wall are also used as sound insulation points; Acoustic simulation software was used to perform acoustic simulation on the concrete exterior wall based on the three-dimensional model to obtain the decibel value of each sound insulation point on both sides of the concrete exterior wall, and the inner decibel value was recorded as F nj , and record the outer decibel value as F wj , obtain the sound insulation coefficient G of each sound insulation point under the composite configuration scheme j ;

[0012] Among them, j is the number of each sound insulation point, j=1, 2, ..., m, and the sound insulation coefficient of each sound insulation point under different composite configuration schemes is obtained.

[0013] Furthermore, the process of obtaining the construction costs under different composite configuration schemes, obtaining the best configuration scheme by combining the sound insulation coefficient and the composite blocking coefficient, and providing feedback includes: The construction cost refers to the funds required to adopt a single composite configuration scheme, which is the composite blocking coefficient P of each composite configuration scheme. i , sound insulation coefficient G j , the corresponding weight values ​​of construction cost C are Q p , Q g , Q c , obtain the comprehensive evaluation coefficient R of the composite configuration scheme;

[0014] Obtain comprehensive evaluation coefficients under different composite configuration schemes, take the composite configuration scheme with the largest comprehensive evaluation coefficient as the optimal configuration scheme, and feed back the optimal configuration scheme to relevant personnel.

[0015] A construction benefit analysis system for concrete exterior walls with built-in thermal bridge blocking includes the following modules: The scheme generation module is used to collect basic data of the construction site and real-time data of the construction process, and build a three-dimensional model of the concrete exterior wall. Different thermal bridge blocking layers are configured in the three-dimensional model to generate different initial configuration schemes; The first simulation module is used to simulate the heat conduction of the concrete exterior wall to obtain the temperature distribution diagram of the concrete exterior wall under different initial configuration schemes, obtain several blocking areas and their blocking coefficients under different initial configuration schemes in the temperature distribution diagram, and construct a corresponding blocking evaluation model; A scheme adjustment module is used to reconfigure the thermal bridge blocking layer at each blocking area to generate different composite configuration schemes and obtain the corresponding composite blocking coefficients; The second simulation module is used to obtain the sound insulation points under different composite configuration schemes, and to perform acoustic simulation on the concrete exterior wall to obtain the sound insulation coefficient of each sound insulation point under different composite configuration schemes; The scheme selection module is used to obtain the construction costs under different composite configuration schemes, and to obtain the best configuration scheme and provide feedback by combining the sound insulation coefficient and composite blocking coefficient.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention constructs a three-dimensional model of a concrete exterior wall, configures different initial configuration schemes therein, simulates heat conduction of the concrete exterior wall, obtains different temperature distribution diagrams, and then obtains blocking coefficients of different initial configuration schemes, which can effectively reflect the effects of different interlayer materials and interlayer thicknesses on thermal bridge blocking. On this basis, the thermal bridge blocking layer of key parts is reconfigured, which can improve the thermal bridge blocking effect of local areas in a targeted manner; 2. The present invention generates different composite configuration schemes and performs acoustic simulation on the concrete exterior wall to obtain the sound insulation effects under different composite configuration schemes. Then, the corresponding comprehensive evaluation coefficient is generated in combination with the construction costs of different composite configuration schemes. The optimal configuration scheme can be obtained by comprehensively considering various factors, which can not only ensure the thermal insulation and sound insulation effects of the thermal bridge blocking layer, but also avoid excessive costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a flow chart of the present invention. DETAILED DESCRIPTION

[0018] like Figure 1 As shown, a method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking includes the following steps: Step S1: collecting basic data of the construction site and real-time data of the construction process, and constructing a three-dimensional model of the concrete exterior wall, configuring different thermal bridge blocking layers in the three-dimensional model to generate different initial configuration schemes; Step S2: performing heat conduction simulation on the concrete exterior wall to obtain a temperature distribution diagram of the concrete exterior wall under different initial configuration schemes, obtaining a number of blocking areas and their blocking coefficients under different initial configuration schemes in the temperature distribution diagram, and constructing a corresponding blocking evaluation model; Step S3: reconfiguring the thermal bridge blocking layer at each blocking area to generate different composite configuration schemes, and obtaining corresponding composite blocking coefficients; Step S4: obtaining sound insulation points under different composite configuration schemes, and performing acoustic simulation on the concrete exterior wall to obtain the sound insulation coefficients of each sound insulation point under different composite configuration schemes; Step S5: Obtain the construction costs under different composite configuration schemes, and obtain the optimal configuration scheme by combining the sound insulation coefficient and the composite blocking coefficient and provide feedback.

[0019] It should be further explained that, in the specific implementation process, the process of collecting basic data of the construction site and real-time data of the construction process and constructing a three-dimensional model of the concrete exterior wall includes: The basic data refers to the architectural drawings, material parameters, construction technology, climate conditions, etc. of the construction site, and the real-time data refers to the temperature, humidity, density, etc. of the concrete pouring during the construction process; Computer-aided design (CAD) software is used to construct a three-dimensional model of the concrete exterior wall based on the collected basic data and real-time data. At this time, the constructed three-dimensional model only contains information such as the structure, size, shape, material, etc. of the concrete exterior wall, and does not include the subsequent thermal bridge blocking layer.

[0020] It should be further explained that, in the specific implementation process, the process of configuring different thermal bridge blocking layers in the three-dimensional model to generate different initial configuration schemes includes: The thermal bridge blocking layer is a specific layer in a construction technology, which is mainly used to block the thermal bridge effect to reduce heat transfer and improve the thermal insulation and energy saving effect of the building and the indoor comfort; In an embodiment of the present invention, an extruded insulation board interlayer is arranged in a concrete outer wall to form a thermal bridge blocking layer at a key position of the concrete outer wall, and the thermal bridge blocking layer comprises different interlayer materials and interlayer thicknesses; Using Building Information Modeling (BIM) technology, the thermal bridge blocking layers of different interlayer materials and interlayer thicknesses were entered separately, and the three-dimensional model of the concrete exterior wall was imported into the building information model; In the building information model, thermal bridge blocking layers with different interlayer materials and interlayer thicknesses are configured for the three-dimensional model, and different initial configuration schemes are generated. There is at least one difference in the interlayer material and interlayer thickness in different initial configuration schemes.

[0021] It should be further explained that, in the specific implementation process, the process of performing heat conduction simulation on the concrete exterior wall to obtain the temperature distribution diagram of the concrete exterior wall under different initial configuration schemes includes: A mathematical model of the concrete outer wall is constructed based on the three-dimensional model, wherein the mathematical model is used to describe the temperature distribution of the concrete outer wall during the heat conduction process; Boundary conditions and initial conditions are set in the mathematical model respectively, the boundary conditions are the surface temperature and heat flux density of the concrete outer wall, and the initial conditions are the initial temperature distribution inside the concrete outer wall. The heat conduction equation is solved by the finite element method to obtain the temperature distribution of the concrete outer wall; Using numerical simulation software to simulate heat conduction on a mathematical model of a concrete exterior wall, obtaining external surface temperature data of the concrete exterior wall under a single initial configuration scheme, wherein the external surface temperature data refers to temperature values ​​at various locations on the external surface of the concrete exterior wall; The external surface temperature data is divided into different value intervals according to the numerical value, and a color corresponding to the wavelength is set for each value interval. The larger the value, the larger the wavelength. Each position is rendered with the color corresponding to its external surface temperature data to realize the visualization of the concrete exterior wall; A corresponding temperature distribution map is generated for the outer surface of the visualized concrete exterior wall, wherein the temperature distribution map can reflect the temperature distribution of the outer surface of the concrete exterior wall, and the temperature distribution maps under different initial configuration schemes are obtained, and the obtained temperature distribution maps are bound to their initial configuration schemes.

[0022] It should be further explained that, in the specific implementation process, the process of obtaining several blocking areas and their blocking coefficients under different initial configuration schemes in the temperature distribution map and constructing the corresponding blocking evaluation model includes: Setting a wavelength standard, obtaining the wavelength value corresponding to the color of each pixel point in a single temperature distribution map, and taking the area composed of the pixel points whose wavelength value is greater than or equal to the wavelength standard as the blocking area in the temperature distribution map, and the number of the blocking areas is not fixed; Get the area of ​​each blocking zone, recorded as the blocking zone area S i , i=1, 2, ..., n, n is the number of blocking zones, and the wavelength mean of each blocking zone in its temperature distribution diagram is obtained, which is recorded as B hi , the wavelength mean refers to the mean of the wavelength values ​​corresponding to each pixel point in the blocking area; Obtain the temperature distribution diagram of the concrete exterior wall without the thermal bridge blocking layer, which is recorded as the non-blocking temperature distribution diagram, and obtain the wavelength mean of each blocking area in the corresponding area of ​​the non-blocking temperature distribution diagram, which is recorded as B qi , obtain the blocking coefficient of each blocking area under the initial configuration scheme corresponding to the temperature distribution diagram, denoted as Z i ;

[0023] Obtain the blocking area and blocking coefficient of each blocking area under different initial configuration schemes, where different initial configuration schemes correspond to different interlayer materials and interlayer thicknesses, respectively. Generate a blocking evaluation set according to the blocking coefficients corresponding to different interlayer materials, interlayer thicknesses, and blocking area, and divide the obtained blocking evaluation set into a training set and a test set. Constructing a convolutional neural network, taking different interlayer materials, interlayer thicknesses, and blocking area in the training set as input data of the convolutional neural network, taking the corresponding blocking coefficients in the training set as output data of the convolutional neural network, and training the convolutional neural network to obtain an initial convolutional neural network; The test set is used to verify the model of the initial convolutional neural network, and the initial convolutional neural network with an output value less than or equal to a preset test error threshold is used as the corresponding blocking assessment model.

[0024] It should be further explained that, in the specific implementation process, the process of reconfiguring the thermal bridge blocking layer at each blocking area to generate different composite configuration schemes and obtaining the corresponding composite blocking coefficient includes: Obtaining the average value of the blocking coefficients under each initial configuration scheme, wherein the average value of the blocking coefficients refers to the average value of the blocking coefficients of each blocking zone under the initial configuration scheme, and taking the initial configuration scheme with the largest average value of the blocking coefficients as the best initial configuration scheme; Reconfigure the thermal bridge blocking layer at each blocking area in the optimal initial configuration scheme, and generate different composite configuration schemes, and input the interlayer material, interlayer thickness, and blocking area of ​​each blocking area under the composite configuration scheme into the blocking evaluation model to obtain the composite blocking coefficient of each blocking area; The reconfiguration includes two configuration methods. One is to increase the interlayer thickness based on the original interlayer material, and the other is to replace the interlayer material while keeping the interlayer thickness unchanged. There is at least one change in the interlayer material and interlayer thickness in different composite configuration schemes.

[0025] It should be further explained that, in the specific implementation process, the process of obtaining the sound insulation points under different composite configuration schemes, performing acoustic simulation on the concrete exterior wall, and obtaining the sound insulation coefficients of each sound insulation point under different composite configuration schemes includes: The center of the blocking area under the composite configuration scheme is used as the sound insulation point, and several points on the concrete exterior wall are also used as sound insulation points; Using acoustic simulation software to perform acoustic simulation on the concrete exterior wall based on the three-dimensional model, the acoustic simulation can obtain the propagation and reflection of sound in the space, as well as the decibel values ​​on both sides of the concrete exterior wall; Get the decibel value of each sound insulation point on both sides of the concrete exterior wall, where the inner decibel value is recorded as F nj , and record the outer decibel value as Fwj , obtain the sound insulation coefficient G of each sound insulation point under the composite configuration scheme j ;

[0026] Among them, j is the number of each sound insulation point, j=1, 2, ..., m, and the sound insulation coefficient of each sound insulation point under different composite configuration schemes is obtained.

[0027] It should be further explained that, in the specific implementation process, the process of obtaining the construction costs under different composite configuration schemes, combining the sound insulation coefficient and the composite blocking coefficient to obtain the best configuration scheme and feedback includes: The construction cost refers to the funds required to adopt a single composite configuration scheme, denoted by C, and is the composite blocking coefficient P of each composite configuration scheme. i , sound insulation coefficient G j , construction cost C, and set the corresponding weight values, Q p , Q g , Q c , obtain the comprehensive evaluation coefficient R of the composite configuration scheme;

[0028] Obtain comprehensive evaluation coefficients under different composite configuration schemes, take the composite configuration scheme with the largest comprehensive evaluation coefficient as the optimal configuration scheme, and feed back the optimal configuration scheme to relevant personnel.

[0029] The embodiment of the present invention also includes: a concrete exterior wall construction benefit analysis system with built-in thermal bridge blocking, comprising the following modules: The scheme generation module is used to collect basic data of the construction site and real-time data of the construction process, and build a three-dimensional model of the concrete exterior wall. Different thermal bridge blocking layers are configured in the three-dimensional model to generate different initial configuration schemes; The first simulation module is used to simulate the heat conduction of the concrete exterior wall to obtain the temperature distribution diagram of the concrete exterior wall under different initial configuration schemes, obtain several blocking areas and their blocking coefficients under different initial configuration schemes in the temperature distribution diagram, and construct a corresponding blocking evaluation model; A scheme adjustment module is used to reconfigure the thermal bridge blocking layer at each blocking area to generate different composite configuration schemes and obtain the corresponding composite blocking coefficients; The second simulation module is used to obtain the sound insulation points under different composite configuration schemes, and to perform acoustic simulation on the concrete exterior wall to obtain the sound insulation coefficient of each sound insulation point under different composite configuration schemes; The scheme selection module is used to obtain the construction costs under different composite configuration schemes, and to obtain the best configuration scheme and provide feedback by combining the sound insulation coefficient and composite blocking coefficient.

[0030] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking, characterized in that: The following steps are involved: Step S1: collecting basic data of the construction site and real-time data of the construction process, and constructing a three-dimensional model of the concrete exterior wall, configuring different thermal bridge blocking layers in the three-dimensional model to generate different initial configuration schemes; Step S2: performing heat conduction simulation on the concrete exterior wall to obtain a temperature distribution diagram of the concrete exterior wall under different initial configuration schemes, obtaining a number of blocking areas and their blocking coefficients under different initial configuration schemes in the temperature distribution diagram, and constructing a corresponding blocking evaluation model; Step S3: reconfiguring the thermal bridge blocking layer at each blocking area to generate different composite configuration schemes, and obtaining corresponding composite blocking coefficients; Step S4: obtaining sound insulation points under different composite configuration schemes, and performing acoustic simulation on the concrete exterior wall to obtain the sound insulation coefficients of each sound insulation point under different composite configuration schemes; Step S5: Obtain the construction costs under different composite configuration schemes, and obtain the optimal configuration scheme by combining the sound insulation coefficient and the composite blocking coefficient and provide feedback.

2. A method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking according to claim 1, characterized in that: The process of collecting basic data and real-time data and building a 3D model includes: The basic data refers to the architectural drawings, material parameters, construction technology, and climate conditions of the construction site, and the real-time data refers to the temperature, humidity, and density of concrete pouring during the construction process; Computer-aided design software is used to construct a three-dimensional model of the concrete exterior wall based on basic data and real-time data. The three-dimensional model includes the structure, size, shape, and material of the concrete exterior wall.

3. The method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking according to claim 2, characterized in that: The process of configuring the thermal bridge blocking layer to generate an initial configuration involves: By arranging an extruded insulation board interlayer in the concrete outer wall, a thermal bridge blocking layer is formed at a key position of the concrete outer wall, wherein the thermal bridge blocking layer comprises different interlayer materials and interlayer thicknesses; Using building information modeling technology, the thermal bridge blocking layers of different interlayer materials and interlayer thicknesses were recorded separately, and the three-dimensional model of the concrete exterior wall was imported into the building information model; In the building information model, thermal bridge blocking layers with different interlayer materials and interlayer thicknesses are configured for the three-dimensional model, and different initial configuration schemes are generated.

4. The method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking according to claim 3 is characterized in that: The process of obtaining temperature distribution maps for different initial configurations includes: A mathematical model of the concrete exterior wall is constructed based on the three-dimensional model. Boundary conditions and initial conditions are set in the mathematical model. The heat conduction equation is solved using the finite element method to obtain the temperature distribution of the concrete exterior wall. The heat conduction of the concrete exterior wall is simulated using numerical simulation software. Obtain the external surface temperature data of the concrete exterior wall under a single initial configuration scheme, divide the external surface temperature data into different value intervals according to the value size, set a color corresponding to the wavelength for each value interval, and render the concrete exterior wall in the color corresponding to the external surface temperature data; A corresponding temperature distribution map is generated according to the concrete exterior wall after rendering, the temperature distribution maps under different initial configuration schemes are obtained, and the temperature distribution map is bound to its initial configuration scheme.

5. The method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking according to claim 4, characterized in that: The process of obtaining the blocking area and its blocking coefficient and constructing the blocking assessment model includes: Set the wavelength standard, obtain the wavelength value corresponding to the color of each pixel in a single temperature distribution map, and obtain the blocking area of ​​the temperature distribution map according to the wavelength value and the wavelength standard; Get the blocking area S of each blocking area i , i=1, 2, ..., n, n is the number of blocking areas in the temperature distribution diagram, and the wavelength mean B of each blocking area in its temperature distribution diagram is obtained. hi ; Obtain the unblocked temperature distribution map of the concrete exterior wall, and obtain the wavelength mean value B of each blocking area in the corresponding area of ​​the unblocked temperature distribution map. qi , obtain the blocking coefficient Z of each blocking zone under the initial configuration scheme corresponding to the temperature distribution diagram i ; According to the blocking area and blocking coefficient of each blocking zone under the initial configuration schemes corresponding to different temperature distribution diagrams, a blocking evaluation set is generated in combination with the interlayer materials and interlayer thicknesses in different initial configuration schemes, and the blocking evaluation set is divided into a training set and a test set; Constructing a convolutional neural network, taking different interlayer materials, interlayer thicknesses, and blocking area in the training set as input data of the convolutional neural network, taking the corresponding blocking coefficients in the training set as output data of the convolutional neural network, and training the convolutional neural network to obtain an initial convolutional neural network; The test set is used to verify the model of the initial convolutional neural network, and the initial convolutional neural network with an output value less than or equal to a preset test error threshold is used as the corresponding blocking assessment model.

6. The method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking according to claim 5, characterized in that: The process of reconfiguring each blocking zone to generate a composite configuration scheme and obtain a composite blocking coefficient includes: Obtain the mean values ​​of the blocking coefficients under each initial configuration scheme, and take the initial configuration scheme with the largest mean value of the blocking coefficient as the best initial configuration scheme; Reconfigure the thermal bridge blocking layer at each blocking area in the optimal initial configuration scheme, and generate different composite configuration schemes. Input the interlayer material, interlayer thickness, and blocking area of ​​each blocking area under the composite configuration scheme into the blocking evaluation model to obtain the composite blocking coefficient of each blocking area. The reconfiguration includes two configuration modes, one is to increase the thickness of the interlayer on the basis of the original interlayer material, and the other is to replace the interlayer material while keeping the thickness of the interlayer unchanged.

7. The method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking according to claim 6, characterized in that: The process of obtaining the sound insulation points and their sound insulation coefficients includes: The center of the blocking area under the composite configuration scheme is used as the sound insulation point, and several points on the concrete exterior wall are also used as sound insulation points; Acoustic simulation software was used to perform acoustic simulation on the concrete exterior wall based on the three-dimensional model to obtain the decibel value of each sound insulation point on both sides of the concrete exterior wall, and the inner decibel value was recorded as F nj , and record the outer decibel value as F wj , obtain the sound insulation coefficient G of each sound insulation point under the composite configuration scheme j ; Among them, j is the number of each sound insulation point, j=1, 2, ..., m, and the sound insulation coefficient of each sound insulation point under different composite configuration schemes is obtained.

8. The method for analyzing the construction benefits of a concrete exterior wall with built-in thermal bridge blocking according to claim 7, characterized in that: The process of obtaining the construction cost, combining the sound insulation coefficient and the composite blocking coefficient to obtain the best configuration plan and provide feedback includes: The construction cost refers to the funds required to adopt a single composite configuration scheme, which is the composite blocking coefficient P of each composite configuration scheme. i , sound insulation coefficient G j , the corresponding weight values ​​of construction cost C are Q p , Q g , Q c , obtain the comprehensive evaluation coefficient R of the composite configuration scheme; Obtain comprehensive evaluation coefficients under different composite configuration schemes, take the composite configuration scheme with the largest comprehensive evaluation coefficient as the optimal configuration scheme, and feed back the optimal configuration scheme to relevant personnel.

9. A concrete exterior wall construction benefit analysis system with built-in thermal bridge blocking, which is used to implement the concrete exterior wall construction benefit analysis method described in any one of claims 1 to 8, characterized in that: The system comprises: The scheme generation module is used to collect basic data of the construction site and real-time data of the construction process, and build a three-dimensional model of the concrete exterior wall. Different thermal bridge blocking layers are configured in the three-dimensional model to generate different initial configuration schemes; The first simulation module is used to simulate the heat conduction of the concrete exterior wall to obtain the temperature distribution diagram of the concrete exterior wall under different initial configuration schemes, obtain several blocking areas and their blocking coefficients under different initial configuration schemes in the temperature distribution diagram, and construct a corresponding blocking evaluation model; A scheme adjustment module is used to reconfigure the thermal bridge blocking layer at each blocking area to generate different composite configuration schemes and obtain the corresponding composite blocking coefficients; The second simulation module is used to obtain the sound insulation points under different composite configuration schemes, and to perform acoustic simulation on the concrete exterior wall to obtain the sound insulation coefficient of each sound insulation point under different composite configuration schemes; The scheme selection module is used to obtain the construction costs under different composite configuration schemes, and to obtain the best configuration scheme and provide feedback by combining the sound insulation coefficient and composite blocking coefficient.

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