CN-122021183-A - Three-dimensional design method and system for underground factory building of pumped storage power station

CN122021183ACN 122021183 ACN122021183 ACN 122021183ACN-122021183-A

Abstract

The invention discloses a three-dimensional design method and system for an underground factory building of a pumped storage power station, and belongs to the technical field of underground energy engineering design and construction. The method comprises four stages of GIS quantitative site selection and plant parameterization modeling, dynamic three-dimensional geological structure modeling, three-dimensional geological attribute modeling and plant adjustment, GIM/CAE integrated analysis and scheme optimization, and solves the problems of site selection coarsening, geological modeling fragmentation, analysis and design disjointing and the like in the prior art through multi-source data fusion, quantitative evaluation model construction, automatic data interaction and closed-loop optimization mechanisms. The system comprises a hardware layer and a software layer, wherein the hardware layer provides data acquisition, calculation storage and visual interaction support, and the software layer realizes seamless connection of all links through modularized design. The method and the system realize the digitalization, integration and intellectualization of the whole flow of the underground plant design, improve the safety, economy and efficiency of the design, and can be applied to underground plant projects under complex geological conditions.

Inventors

LI QINGTIE
DU ZHENKANG
ZHOU HONGMIN
WANG SHOUJIA
WANG GE
WANG GUOGANG
FU PEIXIANG
LIU YU
HAO XUEHANG
LI QIANG

Assignees

中水北方勘测设计研究有限责任公司

Dates

Publication Date: 20260512
Application Date: 20260330

Claims (10)

1. The three-dimensional design method of the underground factory building of the pumped storage power station is characterized by comprising the following steps of: S1, GIS quantitative site selection and factory building parameterization modeling; s2, modeling a dynamic three-dimensional geological structure; s3, modeling a three-dimensional geological attribute; s4, factory building adjustment and BIM/CAE integrated analysis and scheme optimization.
2. The three-dimensional design method for an underground plant of a pumped storage power station according to claim 1, wherein the GIS quantitative site selection and plant parameterization modeling further comprises: importing three-dimensional terrain data and regional geological data, wherein the regional geological data comprises a fault distribution map and a stratum lithology map, and a coordinate system is unified with the terrain data; Setting three types of core quantitative evaluation indexes and weights, wherein the indexes comprise a topography index, a geological risk index and an engineering convenience index, the topography index comprises hole arrangement, a hole line gradient and an excavation amount, and the topography index reflects constraint conditions of underground plant hole arrangement and construction accessibility; The geological risk index comprises a minimum distance from a fault and stratum stability; the engineering convenience index comprises a distance from a construction channel and a distance from a water source; Calculating the score of each candidate region through a comprehensive scoring formula, and selecting a region with a score of more than or equal to 0.8 as a preliminary plant site, wherein the comprehensive scoring formula is that the comprehensive score = terrain index score x 0.3+ geological risk index score x 0.5+ engineering convenience index score x 0.2; The terrain index score is = (1-a/b) x (1-c/20), wherein a is the actual excavation quantity, b is the maximum allowable excavation quantity, c is the actual average gradient, and if the actual average gradient is >20, the score is 0; The geological risk index score=actual fault distance/300×actual stratum stability coefficient, and the geological risk index score is less than or equal to 1; The engineering convenience index score is = (1-min (d/1000, 1))× (1-f/500), wherein d is the actual channel distance and f is the actual water source distance; And inputting plant design parameters, generating a three-dimensional geometric model of the underground plant by parameterization, and displaying the model in a superimposed manner with the GIS topographic model.
3. The method for three-dimensional design of a pumped-storage power station underground powerhouse according to claim 1, wherein the dynamic three-dimensional geological structure modeling further comprises: based on geological mapping data, an improved Kriging interpolation algorithm is adopted to generate an initial three-dimensional geological model of the underground factory building area, wherein the initial three-dimensional geological model comprises main stratum lithology and a geological structure surface three-dimensional grid surface; Introducing and fusing multi-source investigation data in a geological data center, wherein the multi-source investigation data comprises drilling data, open-hole investigation data and groundwater seepage test data, automatically correcting stratum boundaries, generating a three-dimensional fracture surface and marking a groundwater hypertonic region through a trace-curved surface mapping algorithm; And (3) distinguishing lithology and textures by adopting a multi-feature visualization mode, and displaying the groundwater level surface and the broken line frame marking fracture influence areas on the transparent surface by using different colors/textures.
4. The method of claim 1, wherein the three-dimensional geological attribute modeling and plant adjustment further comprises: importing test data in a drilling hole and quality detection data of a cave rock mass in a geological data center; Converting discrete data into a continuous three-dimensional attribute field through a radial basis function interpolation algorithm, wherein the interpolation formula is U (P) =Σ [ lambdai multiplied by phi (|P-Pi|) ] +a0+a1x+a2y+a3z, wherein P (x, y, z) is any point in a model space, pi (x_i, y_i, z_i) is a measured data point, phi (r) =exp (- (epsilon r)/(2) is a Gaussian radial basis function (epsilon is a shape parameter and takes values of 0.1-0.5), and lambdai, a0, a1, a2 and a3 are interpolation coefficients; constructing a three-dimensional geological attribute model integrating geometry and attributes, and visualizing attribute distribution through color gradients; Automatically analyzing the space overlapping degree of the current position of the underground plant and the three-dimensional geological attribute distribution, calculating the area occupation ratio of the high risk attribute area in the plant range according to a preset surrounding rock quality threshold value and a ground stress threshold value, triggering plant adjustment prompt when the area occupation ratio exceeds a corresponding preset proportion threshold value, and adjusting the plane position or the axis direction of the underground plant until the area occupation ratio of the high risk attribute area meets the design requirement.
5. The three-dimensional design method for an underground powerhouse of a pumped storage power station according to claim 1, wherein the integrated BIM/CAE analysis and scheme optimization further comprises: Reading parameters in the three-dimensional geological attribute model and geometric parameters of the underground plant, and automatically generating a CAE software compatible calculation input file; Calling CAE software to perform finite element calculation, analyzing surrounding rock stress, displacement and plastic region distribution, and setting a judgment standard; If the calculation result does not meet the standard, automatically analyzing the reasons exceeding the standard and generating fine adjustment suggestions, after confirming, updating the three-dimensional model of the factory building by an engineer, repeating the data conversion-analysis steps until the result meets the requirement, and outputting a final optimization scheme.
6. The three-dimensional design method for the underground powerhouse of the pumped storage power station according to claim 1, wherein in the step S1, the input of powerhouse design parameters and the parameterization generation of the three-dimensional geometric model of the underground powerhouse are that parameters for controlling the size and the shape of the underground powerhouse are input in BIM software through a development tool, so that the BIM model of the underground powerhouse can be automatically generated.
7. The three-dimensional design method of the underground powerhouse of the pumped storage power station according to claim 1, wherein in the step S4, the overlapping degree of the current position of the powerhouse and the attribute distribution is automatically analyzed, namely, the magnitude of geological attribute values of all parts of the underground powerhouse is displayed by mapping the attribute in the three-dimensional geological attribute body model onto the BIM model of the underground powerhouse.
8. A system for realizing the three-dimensional design method of the underground powerhouse of the pumped storage power station, which is characterized by comprising a hardware layer and a software layer, wherein the hardware layer and the software layer are linked through a data interface: the hardware layer comprises data acquisition equipment, calculation and storage equipment and visualization and interaction equipment, wherein the data acquisition equipment comprises a drilling rock core sampler, a rock mass detector in a hole, a ground stress measuring instrument and a total station; The software layer adopts a modularized design and comprises a GIS quantitative site selection and parameterization modeling module, a dynamic three-dimensional geological structure modeling module, a three-dimensional geological attribute modeling module and a GIM/CAE integrated analysis and optimization module, wherein the GIS quantitative site selection and parameterization modeling module is used for realizing terrain-geological coupling analysis and automatic generation of a factory building three-dimensional model and comprises a quantitative evaluation model and a parameterization modeling algorithm, the dynamic three-dimensional geological structure modeling module is used for integrating multi-source investigation data and updating stratum, fracture and groundwater models and comprises a multi-source data automatic fusion interface and a trace-curved surface mapping algorithm, the three-dimensional geological attribute modeling module is used for associating actual measurement data with the models, visualizing surrounding rock quality and a ground stress field and comprises a radial basis function interpolation algorithm and a high risk area overlapping degree automatic analysis algorithm, and the GIM/CAE integrated analysis and optimization module is used for realizing automatic interaction of geological data and analysis software and scheme closed-loop optimization and comprises a data automatic conversion interface and an automatic closed-loop logic.
9. The three-dimensional design system of the underground powerhouse of the pumped storage power station of claim 8, wherein the data acquisition equipment and the storage equipment in the hardware layer are connected through a wired or wireless network, the storage equipment and the computing equipment are connected through optical fibers, and the computing equipment and the visualization or interaction equipment are connected through HDMI or DP interfaces.
10. The three-dimensional design system of the underground powerhouse of the pumped storage power station of claim 8, wherein each module of the software layer is integrated in the same B/S architecture Web system, and each module realizes data transmission and closed-loop linkage through an API interface or a feedback interface.

Description

Three-dimensional design method and system for underground factory building of pumped storage power station Technical Field The invention relates to the technical field of underground energy engineering design and construction, in particular to a three-dimensional design method and system for an underground factory building of a pumped storage power station. Background The design of the underground powerhouse of the pumped storage power station needs to comprehensively consider multiple factors such as topography, regional geology, surrounding rock stability and the like, and the prior art adopts a step-by-step application scheme of GIS+three-dimensional geological modeling+CAE analysis. However, in the prior art, the GIS site selection lacks quantification and dynamics, only qualitative partitioning can be performed based on a single threshold value, the coupling relation of 'topography-geology-factory building requirements' cannot be quantitatively analyzed, the site selection result cannot be updated and adjusted by subsequent investigation data, the existing GIS tool does not have a special quantification evaluation module for an underground factory building, an association algorithm of 'site selection parameter-geology risk-engineering cost' is not established, and the association algorithm is not communicated with subsequent geology modeling link data; In addition, the three-dimensional geological modeling is excessively fragmented and statically formed, only the geometric information of stratum and fracture can be integrated, the underground water distribution law cannot be synchronously visualized, the model is constructed based on initial investigation data, and cannot be dynamically updated along with the supplement of the flat hole/drilling test data, so that the deviation between the model and the actual geological condition is increased, the existing modeling technology lacks an automatic fusion interface of multi-source investigation data, and a real-time updating algorithm of attribute data is not designed; The geological attribute modeling and design disjointing can cause that key attribute data such as surrounding rock quality, a ground stress field and the like are only presented in a form or report form, cannot be spatially associated with a three-dimensional model of an underground factory building, and has low adjustment efficiency and easy error when judging the matching property of attribute distribution and factory building position; The integration degree of the GIM and the CAE is low, the geological parameters in the GIM are required to be converted into the CAE software compatible format due to the lack of the optimization closed loop, so that the data transmission efficiency is low, errors are easy to generate, the analysis result is required to be read and then fed back to the design end, the scheme adjustment cannot be automatically triggered, and the optimization period is long. Disclosure of Invention The invention aims to provide a three-dimensional design method and system for an underground factory building of a pumped storage power station, which are used for solving the problems in the prior art. In order to solve the technical problems, the invention specifically provides the following technical scheme: A three-dimensional design method for an underground factory building of a pumped storage power station comprises the following steps: GIS quantitative site selection and plant parameterization modeling, dynamic three-dimensional geological structure modeling, three-dimensional geological attribute modeling and plant adjustment, GIM/CAE integrated analysis and scheme optimization: S1, GIS quantitative site selection and factory building parameterization modeling comprise: importing three-dimensional terrain data and regional geological data, wherein the regional geological data comprises a fault distribution map and a stratum lithology map, and a coordinate system is unified with the terrain data; Setting three types of core quantitative evaluation indexes and weights, wherein the indexes comprise a topography index, a geological risk index and an engineering convenience index, the topography index comprises hole arrangement, a hole line gradient and an excavation amount, and the topography index reflects constraint conditions of underground plant hole arrangement and construction accessibility; The geological risk index comprises a minimum distance from a fault and stratum stability; the engineering convenience index comprises a distance from a construction channel and a distance from a water source; Calculating the score of each candidate region through a comprehensive scoring formula, and selecting a region with a score larger than or equal to 0.8 as a preliminary plant site, wherein the comprehensive scoring formula is that the comprehensive score= (the topography index score multiplied by 0.3) + (the geological risk index score multiplied by 0.5) + (the engineering