A parameterized modeling method for reinforced concrete face plate dam based on 3DE platform

Abstract

The application discloses a reinforced concrete face plate dam parameterized modeling method based on a 3DE platform. A terrain surface model is imported into the 3DE; a first-level parameter for controlling a dam body type is created; a dam axis and a dam contour sketch are created through the first-level parameter; a dam envelope body is created by stretching the dam contour sketch, and a dam body type design model and corresponding engineering quantity are obtained by dividing the dam envelope body and the terrain surface; the dam body type design model is taken as a face plate dam body type design template; structure sizes of a face plate, a cushion layer, a downstream rockfill area and a rockfill drainage area are taken as second-level parameters; linkage of the first-level and second-level parameters is created; a material partition sketch is created through the second-level parameters; material partition envelope bodies are created by stretching the material partition sketches, and material partition design models and corresponding engineering quantity are obtained by dividing the material partition envelope bodies and the terrain surface; and the material partition design models are taken as face plate dam material partition design templates. The application can meet the design requirements of reinforced concrete face plate dams with different design precisions and has high efficiency.

Description

Technical Field

[0001] This invention belongs to the field of BIM technology for hydropower and water conservancy projects, specifically involving a parametric modeling method for reinforced concrete panel dams based on the 3DE platform. Background Technology

[0002] Reinforced concrete panel dams have advantages such as readily available local materials, high construction efficiency, and good adaptability to terrain and geological conditions, making them widely used in water conservancy and hydropower projects. However, due to their relatively complex structure and numerous material partitions, current methods primarily employ two-dimensional design, completing the planar and sectional designs before creating 3D models. There is currently no parametric 3D modeling method that allows for easy modification and adjustment. Current modeling methods are inherently one-time; when the dam's axis changes, elevation is adjusted, or material partition dimensions are modified, the 3D model needs to be recreated, making it unusable. Furthermore, since 2D design is completed before 3D modeling, it cannot enable forward design using BIM (Building Information Modeling).

[0003] In the design of water conservancy and hydropower projects, especially pumped storage power stations, it is necessary to design and compare panel dam schemes with different dam locations, elevations and structural dimensions. There are many schemes and a large workload, and traditional design methods are inefficient. Summary of the Invention

[0004] The purpose of this invention is to provide a parametric modeling method for reinforced concrete panel dams based on the 3DE platform. This invention can meet the design requirements of reinforced concrete panel dams with different design accuracy requirements, and has high design efficiency.

[0005] The technical solution of this invention is: a parametric modeling method for reinforced concrete panel dams based on the 3DE platform, comprising the following steps:

[0006] Step 1: Import the terrain surface model into 3DE as the basis for creating the panel dam model and calculating engineering quantities;

[0007] Step 2: Create the primary parameters of the dam body shape in the control panel; the primary parameters include the plane coordinates of the dam axis center point, the plane coordinates of any point on the right bank, the dam crest elevation, the dam crest width, the upstream slope ratio, and the downstream slope ratio;

[0008] Step 3: Create a sketch of the dam axis and dam outline using the input primary parameters;

[0009] Step 4: Extrude the dam outline sketch to create the dam envelope, and segment it with the terrain surface to obtain the dam shape design model and corresponding engineering quantities;

[0010] Step 5: Use the dam shape design model as a template for the panel dam shape design to meet the modeling and quantity calculation requirements in the planning stage;

[0011] Step 6: Set the structural dimensions of the panel, subbase, downstream rockfill zone, and rockfill drainage zone as secondary parameters; simultaneously create a linkage between primary and secondary parameters, automatically inputting secondary parameters based on primary parameter values;

[0012] Step 7: Create a material zoning sketch using secondary parameters;

[0013] Step 8: Extrude the sketches of each material zone to create the material zone envelope, and divide it with the terrain surface to obtain the material zone design model and corresponding engineering quantities;

[0014] Step 9: Use the material zoning design model as the template for the material zoning design of the panel dam to meet the modeling and quantity calculation requirements of the pre-feasibility study stage.

[0015] In the aforementioned parametric modeling method for reinforced concrete panel dams based on the 3DE platform, in step 3, the dam axis is created using the plane coordinates of the dam axis center point and any point on the right bank, and the dam crest elevation; using the dam axis center point as the reference point, the normal plane of the dam axis is created as the support surface for the dam axis center plane and the dam outline; a sketch of the dam outline is created on this support surface, and the dam crest width, dam crest elevation, and upstream and downstream slope ratio parameters are constrained with the corresponding dimensions in the sketch to complete the parameter-driven dam outline sketch model.

[0016] In the aforementioned parametric modeling method for reinforced concrete panel dams based on the 3DE platform, the initial elevation is set to 300m during the creation of the dam outline sketch.

[0017] In the aforementioned parametric modeling method for reinforced concrete panel dams based on the 3DE platform, in step 4, the dam shape outline is stretched to both sides along the dam axis to form an envelope, with an initial length set to 2000m; the generated dam envelope is segmented with the terrain surface, and the multiple segmented envelope models are judged. The envelope closest to the dam center point is selected as the dam, thus obtaining the dam shape design model; a total dam fill volume parameter is created, with its value being the total volume of the dam shape design model measured after segmentation.

[0018] In the aforementioned parametric modeling method for reinforced concrete panel dams based on the 3DE platform, in step 5, the template is created using the knowledge engineering template function of 3DE, and the model created in steps 1 to 4 is used as the panel dam shape design template, with the terrain surface and corresponding first-level parameters as input conditions.

[0019] In the aforementioned parametric modeling method for reinforced concrete panel dams based on the 3DE platform, step 6 involves secondary parameters used for material zoning design. Based on panel dam material zoning design specifications and engineering experience, the zoning is divided into wave wall, panel, cushion layer, transition zone, main rockfill zone, downstream slope protection, cutoff wall, downstream rockfill zone, rockfill drainage zone, clay cover zone, and fly ash cover zone. Simultaneously, the mutual constraints between typical zones are summarized, and their structural dimensional parameters are simplified into secondary parameters. Then, based on specifications and design experience, the default values ​​of the secondary parameters are automatically calculated according to the input values ​​of the primary parameters. Based on panel dam design experience for different dam heights, initial values ​​are assigned to parameters such as wave wall height, panel thickness slope ratio, and downstream slope protection. Users only need to modify some of these parameters to obtain an accurate model based on the actual design parameters. Parameter assignment calculations are set through 3DE's knowledge engineering response, using primary parameters as trigger conditions to automatically calculate and assign values ​​to secondary parameters, which can then be modified.

[0020] In the aforementioned parametric modeling method for reinforced concrete panel dams based on the 3DE platform, the material zoning sketch support surface and reference points in step 7 are consistent with the dam outline sketch in step 3. Figure 1 Constrain the structural dimensions of each partition with the parameters set in step 6 to complete the parameter-driven sketch model of each material partition of the dam; the initial elevation parameters of the material partitions that are in contact with the terrain surface, such as the fly ash paving area, clay paving area, and main rockfill area, are consistent with those in step 3.

[0021] In the aforementioned parametric modeling method for reinforced concrete panel dams based on the 3DE platform, in step 8, the outline sketches of each material partition are stretched to both sides along the dam axis to form an envelope, with an initial length set to 2000m; the generated envelopes of each material partition are segmented with the terrain surface, and the multiple segmented envelope models are judged. The envelope closest to the center point of the dam is selected and retained as the final material partition, thus obtaining the dam material partition design model; engineering quantity parameters for each material partition are created, and their values ​​are the volumes of the design models of each material partition measured after segmentation.

[0022] In the aforementioned parametric modeling method for reinforced concrete panel dams based on the 3DE platform, the template creation in step 9 utilizes the knowledge engineering template function of 3DE, using the terrain surface in step 1 and the panel dam shape design model created in step 5 as input conditions. During the feasibility design of the scheme, the dam shape design model is created by instantiating the shape design template. When conducting further economic comparison of the schemes, the material zoning design template is instantiated again, the corresponding secondary parameters are automatically calculated, and the dam material zoning model is created after modifying the corresponding parameters according to the design. When comparing multiple schemes with different dam axis positions and different dam crest elevations, the model can be updated in real time by changing the corresponding parameters, and the corresponding engineering quantities can be output.

[0023] Beneficial effects

[0024] Compared with existing technologies, the present invention can realize parametric modeling of panel dams. When comparing different schemes, only a few parameters need to be changed to obtain the three-dimensional model and engineering quantities of the new scheme.

[0025] This invention classifies design parameters to create models of varying accuracies, effectively meeting the accuracy requirements of different design stages. For example, the planning stage may only require the total dam filling volume to preliminarily determine the feasibility of the scheme; the pre-feasibility study stage requires the quantities of the main material zones to compare the economic efficiency of different schemes; and the feasibility study stage requires relatively accurate quantities of the excavation and structural zones to calculate the investment of the scheme.

[0026] This invention realizes the three-dimensional forward design of panel dams. First, it summarizes panel dam design specifications, incorporating the layout type and structural dimensions of panel dams into parameter changes. By driving the reinforced concrete panel dam model with these parameters, adjustments to the dam's location, elevation, and structural dimensions allow for rapid generation of new three-dimensional models and quantities, enabling model reuse. Furthermore, based on panel dam design experience and the accuracy requirements of different design stages, parameters are hierarchically managed and mutually constrained. A basic model and corresponding quantities can be created by inputting a small number of primary parameters. Secondary parameter default values ​​and default detailed models can be automatically generated as needed. Users can make only partial modifications to the secondary parameters to obtain the final accurate model and corresponding quantities, achieving intelligent design and improving the efficiency of three-dimensional panel dam design. Specifically, this invention achieves the following beneficial effects:

[0027] (1) This invention analyzes the principles and rules of the layout and size of reinforced concrete panel dam structures, parameterizes and templates them, so that the differences in the different locations, elevations and structural shapes of panel dams can be expressed through parameters.

[0028] (2) The creation of parametric panel dam models was realized through the knowledge engineering module in 3DE software, and the models were made into templates. Users can quickly and accurately create panel dam models by modifying the basic parameters.

[0029] (3) Through in-depth demand analysis of panel dam design schemes, relevant parameters are classified. The most core and basic layout parameters are listed as primary parameters. Users can complete the creation of a basic panel dam model by inputting a small number of primary parameters, which meets the initial feasibility comparison requirements. The main structural parameters are listed as secondary parameters. Users can complete the creation of a preliminary panel dam material zoning model by inputting secondary parameters, which meets the requirements for further in-depth economic comparison of schemes.

[0030] (4) Based on the design rules of panel dam structure, find the relationship between parameters, simplify the parameter settings, and give the parameters logical operation rules. Drive the automatic assignment of secondary parameters through primary parameters, reduce the input of user parameters, and can automatically complete the creation of a relatively fine model with fewer parameter inputs. Only a few parameters need to be modified to meet the precise modeling requirements.

[0031] (5) Create the model and associate and drive the parameters through reasonable and stable modeling methods so that the model can be updated correctly without errors after the parameters are modified.

[0032] (6) The created model can output the corresponding engineering quantities to meet the requirements of scheme comparison. Attached Figure Description

[0033] Figure 1 A schematic diagram of the design parameters (first-level parameters) for the panel dam body;

[0034] Figure 2 Design model for panel dam body shape;

[0035] Figure 3 A typical material zoning diagram for panel dams;

[0036] Figure 4 This is a schematic diagram of the parameters for the wave-breaking wall.

[0037] Figure 5 This is a schematic diagram of the panel parameters;

[0038] Figure 6 This is a schematic diagram of the subbase parameters;

[0039] Figure 7 This is a schematic diagram of the transition region parameters;

[0040] Figure 8 This is a schematic diagram of the downstream slope protection parameters;

[0041] Figure 9 This is a schematic diagram of the parameters for the cutoff wall;

[0042] Figure 10 A schematic diagram of parameters for the downstream rockfill area;

[0043] Figure 11 Schematic diagram of parameters for rockfill drainage zone;

[0044] Figure 12 Schematic diagram of parameters for the clay-covered area;

[0045] Figure 13 Schematic diagram of parameters for fly ash covering area;

[0046] Figure 14 A material partitioning model for panel dams. Detailed Implementation

[0047] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the present invention.

[0048] Example 1. A parametric modeling method for reinforced concrete panel dams based on the 3DE platform, see [link to example]. Figure 1-14 It includes the following steps:

[0049] Step 1: Import the terrain surface model into 3DE as the basis for creating the panel dam model and calculating engineering quantities.

[0050] Step 2: Create the first-level parameters for the dam body type in the control panel (as shown in the attached document). Figure 1 As shown, the coordinates include the plane coordinates of the center point of the dam axis, the plane coordinates of any point on the right bank (to determine the left and right banks and upstream and downstream directions of the dam), the dam crest elevation, the dam crest width, and the upstream and downstream slope ratios.

[0051] Step 3: Create a sketch of the dam axis and dam outline using the input parameters.

[0052] Step 4: Extrude the dam outline sketch to create the dam envelope, and segment it with the terrain surface to obtain the dam shape design model (as shown in the attached figure). Figure 2 (as shown) and the amount of work.

[0053] Step 5: Create a panel dam body design template from Steps 1 to 4 to meet the modeling and quantity calculation requirements during the planning stage.

[0054] Step 6: Set the structural dimensions of the panel, subbase, downstream rockfill zone, and rockfill drainage zone as secondary parameters (as shown in the attached diagram). Figure 3 ~Attached Figure 13 (As shown). Simultaneously, a linkage between the primary and secondary parameters is created, automatically inputting the secondary parameters based on the primary parameter values.

[0055] Step 7: Create a material partition sketch using secondary parameters.

[0056] Step 8: Extrude the sketches of each material zone to create a material zone envelope, and then divide it with the terrain surface to obtain the material zone design model (as shown in the attached image). Figure 14 (as shown) and the amount of work.

[0057] Step 9: Use Steps 6 to 8 to create a template for the material zoning design of the panel dam, which can meet the modeling and quantity calculation requirements of the pre-feasibility study stage.

[0058] In step 3, the dam axis is created using the planar coordinates (X, Y coordinates) of the dam axis center point and the right bank point, and the dam crest elevation parameter (Z coordinate). Using the dam axis center point as a reference point, the normal plane of the curve is created as the support surface for the dam axis center plane and the dam outline. A sketch of the dam outline is created on this surface, with the dam crest width, dam crest elevation, and upstream / downstream slope ratio parameters constrained by the corresponding dimensions in the sketch, completing the parameter-driven dam outline sketch model. The actual dam height is related to the terrain surface. In the creation of the dam outline sketch, the initial height is set to 300m (currently, there are no engineering examples of panel dams exceeding 300m), ensuring that the initial dam model extends below the terrain surface, meeting modeling requirements, while reducing the input of height setting parameters and improving efficiency.

[0059] In step 4, the dam's outline is stretched to both sides along the dam axis to form an envelope, with an initial length set to 2000m (currently, there are no engineering examples exceeding 2000m in length; the default setting can simplify parameter input). The generated dam envelope is segmented against the terrain surface. A program is written using 3DE's rule function to judge the multiple segmented envelope models, selecting the envelope closest to the dam's center point as the dam itself, resulting in the dam's design model as shown in the attached figure. Figure 2 As shown, a parameter for the total dam fill volume is created, and its value is set to the total volume of the dam body design model after segmentation. This allows for the output of the total dam fill volume, satisfying the initial feasibility comparison requirements.

[0060] Step 5 utilizes 3DE's Knowledge Engineering template function to create a panel dam body design template from the model built in steps 1-4, using topographic surfaces and corresponding primary parameters as input conditions. Users do not need to perform complex modeling operations; they only need to select the topographic surface and input parameters to obtain the dam model and quantities. When comparing multiple schemes such as different dam axis positions and different dam crest elevations, only the corresponding parameters need to be changed, and the model can be updated in real time, outputting the corresponding quantities.

[0061] The secondary parameters in step 6 are mainly used for material zoning design. During the pre-feasibility study stage, based on the dam's overall shape design, it is sometimes necessary to create more detailed material zoning, perform quantity statistics and comparisons for each material zoning, and create a material zoning model. According to the material zoning design specifications for panel dams and engineering experience, structural zoning is divided into wave walls, panel dams, cushion layer zones, transition zones, main rockfill zones, downstream slope protection, cutoff walls, downstream rockfill zones, rockfill drainage zones, clay-covered zones, and fly ash-covered zones. Simultaneously, the mutual constraints between typical zoning zones are summarized, and their structural dimensional parameters are simplified into secondary parameters. For example, if the panel dam and cushion layer zones are connected, the downstream slope ratio of the panel dam is equal to the upstream slope ratio of the cushion layer zone; these two parameters can be set as one parameter to control the shape of the two zones. Then, based on specifications and design experience, the default values ​​of the secondary parameters are automatically calculated based on the input values ​​of the primary parameters. For example, by using the coordinates of the dam axis center point in the primary parameters, projecting them vertically onto the topographic surface, measuring the corresponding riverbed elevation, and then obtaining the approximate dam height through the dam crest elevation parameter. Based on design experience with panel dams of varying heights, initial values ​​are assigned to parameters such as wave wall height, panel thickness slope ratio, and downstream slope protection. Users can directly create a material zoning model without having to input secondary parameters one by one; they only need to modify some parameters to obtain an accurate model based on actual design parameters. Parameter assignment and calculation are set through 3DE's knowledge engineering response. By writing corresponding calculation code and setting primary parameters as trigger conditions, secondary parameters are automatically calculated and assigned values, and these parameters can be modified simultaneously.

[0062] In step 7, the material zoning sketch supports the surface and reference points, which are similar to the dam outline sketch in step 3. Figure 1 Constrain the structural dimensions of each zone with the parameters set in step 6 to complete the parameter-driven sketch model of each material zone of the dam. The initial height parameters of the material zones that are in contact with the terrain surface, such as the fly ash paved zone, clay paved zone, and main rockfill zone, are set to 300m, consistent with those in step 3.

[0063] In step 8, the outline sketches of each material partition are stretched to both sides of the dam axis to form an envelope, with an initial length set to 2000m. The generated material partition envelopes are then segmented against the terrain surface. A program is written using 3DE's rule function to evaluate the multiple segmented envelope models, selecting the envelope closest to the dam's center point as the final material partition. The resulting dam material partition design model is shown in the attached figure. Figure 14 As shown, by creating engineering quantity parameters for each material zone and setting their values ​​to the measured volume of the design model for each material zone after segmentation, the engineering quantities of the dam's material zones can be output, meeting the needs of further economic comparison of alternative schemes.

[0064] Step 9 utilizes 3DE's Knowledge Engineering template functionality, using the terrain surface from Step 1 and the panel dam body design model created in Step 5 as input. During feasibility design, simply instantiating the body design template creates the dam body design model. For further economic comparison of different options, the material zoning design template is instantiated, and the corresponding secondary parameters are automatically calculated. After modifying a few parameters according to the design, a dam material zoning model is created. When comparing multiple options with different dam axis positions and different dam crest elevations, only the corresponding parameters need to be changed; the model updates in real time and outputs the corresponding quantities.

[0065] The invention will now be described in further detail with reference to the actual design process of a panel dam in a certain project.

[0066] (1) The project first requires a preliminary comparative analysis of the dam axes at five locations. The dam dimensions are consistent across all axes, with a crest elevation of 575m, a crest width of 10m, an upstream slope ratio of 1.41, and a downstream slope ratio of 1.692. The coordinates of the center point of the dam axis in Scheme 1 are X = 10m, Y = 60m, and the coordinates of the right bank point are X = -80m, Y = -70m. The topographic model has been imported into the 3DE software. First, the panel dam body design template created in step 5 is instantiated, and the above parameters are input to complete the creation of the panel dam body design model for Scheme 1. The total fill volume of the dam output by the template is 1.1 million cubic meters.

[0067] (2) The dam shape design model of Scheme 1 was copied and pasted 4 times, and its coordinate parameters were modified respectively to complete the models of Scheme 2 to Scheme 5. The corresponding total dam filling volumes are 1.05 million, 1.8 million, 1.6 million and 2 million cubic meters respectively. After preliminary comparison, Scheme 1 and Scheme 2 have obvious advantages in terms of engineering volume. The next step is to carry out in-depth material zoning design for Scheme 1 and Scheme 2.

[0068] (3) Instantiate the panel dam material zoning template created in step 9, and automatically set the size parameters of each material zoning section. Based on the actual design of this project, modify the downstream slope protection thickness from the automatically set 0.4m to 0.5m, the top elevation of the downstream rockfill area from 550m to 557m, and the top elevation of the fly ash covering area from 517m to 520m. The remaining parameters meet the design requirements and do not need to be modified. After the above parameters are modified, complete the creation of the dam material zoning model of Scheme 1 and output the engineering quantities of each material zoning section.

[0069] (4) Copy and paste the dam material zoning model from Scheme 1, and modify its input conditions to match the body shape design model from Scheme 2. Since the parameters in the body shape design of Scheme 2 are consistent with those of Scheme 1, the body shape design parameters of Scheme 2 do not need to be modified. Complete the creation of the dam material zoning model for Scheme 2 and output the engineering quantities of each material zoning.

[0070] (5) Multiply the quantities of each material zone in Scheme 1 and Scheme 2 by the corresponding unit prices to obtain the preliminary investment for the dam in both schemes. Although the total dam filling volume in Scheme 1 is 50,000 cubic meters more than that in Scheme 2, the total investment in Scheme 1 is reduced by 15% compared to Scheme 2 due to the difference in quantities and unit prices of each material zone. Therefore, Scheme 1 is the recommended scheme.

[0071] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A parametric modeling method for reinforced concrete panel dams based on the 3DE platform, characterized in that, Includes the following steps: Step 1: Import the terrain surface model into 3DE as the basis for creating the panel dam model and calculating engineering quantities; Step 2: Create the primary parameters of the dam body shape in the control panel; the primary parameters include the plane coordinates of the dam axis center point, the plane coordinates of any point on the right bank, the dam crest elevation, the dam crest width, the upstream slope ratio, and the downstream slope ratio; Step 3: Create a sketch of the dam axis and dam outline using the input primary parameters; Step 4: Extrude the dam outline sketch to create the dam envelope, and segment it with the terrain surface to obtain the dam shape design model and corresponding engineering quantities; Step 5: Use the dam shape design model as a template for the panel dam shape design to meet the modeling and quantity calculation requirements in the planning stage; Step 6: Set the structural dimensions of the panel, subbase, downstream rockfill zone, and rockfill drainage zone as secondary parameters; simultaneously create a linkage between primary and secondary parameters, automatically inputting secondary parameters based on primary parameter values; Step 7: Create a material zoning sketch using secondary parameters; Step 8: Extrude the sketches of each material zone to create the material zone envelope, and divide it with the terrain surface to obtain the material zone design model and corresponding engineering quantities; Step 9: Use the material zoning design model as the template for the material zoning design of the panel dam to meet the modeling and quantity calculation requirements of the pre-feasibility study stage; In step 4, the dam shape outline is stretched to both sides along the dam axis to form an envelope, with an initial length of 2000m. The generated dam envelope is segmented with the terrain surface. Multiple segmented envelope models are identified, and the envelope closest to the dam center point is selected as the dam, thus obtaining the dam shape design model. A total dam fill volume parameter is created, with its value being the total volume of the dam shape design model measured after segmentation. In step 8, the outline sketches of each material partition are stretched to both sides along the dam axis to form an envelope, with an initial length of 2000m. The generated envelopes of each material partition are divided with the terrain surface. The multiple envelope models are judged, and the envelope closest to the center point of the dam is selected as the final material partition, thus obtaining the dam material partition design model. Engineering quantity parameters for each material partition are created, and their values ​​are the volumes of the design models of each material partition measured after division.

2. The parametric modeling method for reinforced concrete panel dams based on the 3DE platform according to claim 1, characterized in that, In step 3, the dam axis is created using the plane coordinates of the dam axis center point and any point on the right bank, as well as the dam crest elevation. Using the dam axis center point as a reference point, the normal plane of the dam axis is created as the support surface for the dam axis center plane and the dam outline. On this support surface, a sketch of the dam outline is created, and the dam crest width, dam crest elevation, and upstream and downstream slope ratio parameters are constrained with the corresponding dimensions in the sketch to complete the parameter-driven dam outline sketch model.

3. The parametric modeling method for reinforced concrete panel dams based on the 3DE platform according to claim 2, characterized in that, In creating the dam outline sketch, the initial elevation is set to 300m.

4. The parametric modeling method for reinforced concrete panel dams based on the 3DE platform according to claim 1, characterized in that, In step 5, the template is created using the knowledge engineering template function of 3DE, which transforms the model created in steps 1 to 4 into a panel dam body design template, with the terrain surface and corresponding first-level parameters as input conditions.

5. The parametric modeling method for reinforced concrete panel dams based on the 3DE platform according to claim 1, characterized in that, In step 6, secondary parameters are used for material zoning design. Based on the material zoning design specifications and engineering experience for panel dams, the zones are divided into wave walls, panels, cushion layer zone, transition zone, main rockfill zone, downstream slope protection, cutoff wall, downstream rockfill zone, rockfill drainage zone, clay cover zone, and fly ash cover zone. Simultaneously, the mutual constraints between typical zones are summarized, and structural dimension parameters with mutual constraints are merged into a single parameter, which is then used as the secondary parameter. Then, based on specifications and design experience, the default values ​​of the secondary parameters are automatically calculated according to the input values ​​of the primary parameters. Based on the design experience of panel dams with different dam heights, initial values ​​are assigned to parameters such as wave wall height, panel thickness slope ratio, and downstream slope protection. Users only need to modify some of these parameters to obtain an accurate model based on the actual design parameters. Parameter assignment calculations are set through 3DE's knowledge engineering response, using the primary parameters as trigger conditions to automatically calculate and assign values ​​to the secondary parameters, which can also be modified.

6. The parametric modeling method for reinforced concrete panel dams based on the 3DE platform according to claim 1, characterized in that, The material zoning sketch support surface and reference point in step 7 are consistent with the dam outline sketch in step 3; constrain the structural dimensions of each zoning with the parameters set in step 6 to complete the parameter-driven dam material zoning sketch model; the initial elevation parameters of the material zoning areas that are connected to the terrain surface, such as the fly ash paving area, clay paving area, and main rockfill area, are consistent with those in step 3.

7. The parametric modeling method for reinforced concrete panel dams based on the 3DE platform according to claim 1, characterized in that, The template creation in step 9 uses the knowledge engineering template function of 3DE, with the terrain surface in step 1 and the panel dam body design template created in step 5 as input conditions; When conducting feasibility design of the scheme, a dam shape design model is created by instantiating the shape design template; when conducting further economic comparison of the schemes, the material zoning design template is instantiated again, the corresponding secondary parameters are automatically calculated, and the dam material zoning model is created after modifying the corresponding parameters according to the design; when comparing multiple schemes with different dam axis positions and different dam crest elevations, the model can be updated in real time by changing the corresponding parameters, and the corresponding engineering quantities can be output.

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