CN110704895B - Three-dimensional analysis platform-based parametric modeling method for retaining wall - Google Patents
Three-dimensional analysis platform-based parametric modeling method for retaining wall Download PDFInfo
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Abstract
The invention belongs to the field of building construction, and particularly relates to a three-dimensional analysis platform-based retaining wall parametric modeling method, which comprises the steps of establishing a three-dimensional geological model by establishing a project information overview and inputting project exploration data, analyzing an exploration geological report, and establishing a rapid integral frame and a mode of a retaining wall; a three-dimensional geological model is established through Civil3D, three-dimensional parameters of the blocking wall are set, an analysis platform integrating three-dimensional design and construction of the blocking wall organically combining three-dimensional design technology, parametric design technology and calculation and analysis functions based on a specification and finite element method is constructed through analyzing the structure of the blocking wall, the on-site actual condition is consistent with the simulation and analysis of a construction scheme, on-site related data can be fed back to the integration platform in time, data sharing is carried out among functional modules, data transmission loss is reduced, working efficiency is improved, and the four aspects of parameterization, visualization, dynamism and seamless are realized.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to a three-dimensional analysis platform-based retaining wall parametric modeling method.
Background
In the current construction industry, there are related commercialized software for three-dimensional design and parametric design, and it is not common to use an integrated software platform that organically combines computational analysis and finite element analysis based on design specifications and construction schemes with design functions. Therefore, it is necessary to research and develop an integrated software platform integrating three-dimensional design technology, parametric design technology, and calculation and analysis means based on specification and other finite element methods. The retaining wall is a structure which is clear in classification and can multiply and repeatedly appear in engineering, is very suitable for parametric design, and is researched by constructing a three-dimensional design analysis software platform of the retaining wall.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to provide a three-dimensional analysis platform-based retaining wall parametric modeling method, and in order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a three-dimensional analysis platform-based retaining wall parametric modeling method comprises the following steps:
step one, project start
Inputting basic information of a project, and planning early-stage data of the project, wherein the basic data comprises basic design and exploration data and a rapid overall frame and a mode of the retaining wall are established;
step two, Civil3D secondary development programming design modular region control
The Civil3D secondary development programming design modular region control is adopted, a parameterization interface of the control is a main design window in a design function module, and the interface comprises a type selection area, a specific parameter design area, a reference criterion area, a graphic display area, a load adding area and a design review area;
step three, analyzing the exploration geological report
The method comprises the following steps that brief geological profile data information needs exploration points, exploration point plane layout maps, stratums, standard penetration tests, heavy dynamic penetration tests, geotechnical and mechanical property indexes, dry and wet types, geotechnical tests, particle analysis, exploration point plane layout maps and engineering geological profile maps;
step four, establishing a three-dimensional geological model through Civil3D
The method comprises the steps of establishing a model of a terrain surface by utilizing an unmanned aerial vehicle three-dimensional photography technology, wherein when the terrain surface model is established by utilizing photography, three-dimensional point cloud is required to be converted and is uniformly integrated with a geological model of address survey, the terrain is required to be cleaned from surface soil, sundries, vegetation, waste and the like on the ground surface are filtered and cleaned, and a GPS control network of a measurer checks, adjusts data and analyzes whether the actual requirements of a site are met;
step five, the basic flow for completing the three-dimensional design of the retaining wall through the civil3D part editor comprises the following points:
(1) conceiving the cross section type and the design structure of the retaining wall; (2) defining component parameters; (3) adding part geometric elements: the components of the part mainly comprise points, connections and modeling objects; (4) editing part geometry elements: editing and setting the creation parameters of the component so as to achieve the effect of size driving; (5) defining part codes: adding codes to the part for controlling the display effect of the part elements in Civil3D, wherein the point codes are used for controlling elevation labeling, text labeling and the like; the connection code is used for controlling size marking, gradient marking and the like; (6) a lead-out section: exporting the parts to a pkt file so as to import the parts to Civil3D for assembly use;
step six, setting a retaining wall parameter module
The method comprises the steps that set parameters are utilized to carry out data comparison analysis with public variables in an integrated platform in time, the conflict is designed and corrected, standard reference files are required to be recorded into the whole system, implementation prompt and change are carried out at the initial stage of design modeling, the design intention which is not in accordance with the design structure safety is not met, a reference criterion area is used for facilitating designers to check related design reference files, three-dimensional visualization is used for checking a two-dimensional calculation chart, a three-dimensional schematic diagram and a load application chart of a retaining wall in real time, and complex programming is simplified through a visual graphic interface and code interaction mode by mainly utilizing a Subasssembly component editor in Civil3D, so that efficient automatic drawing is realized;
seventhly, the standard-based rechecking calculation module interface mainly comprises 5 areas, namely a calculation project selection area, a specific calculation process area, a calculation basis area, a calculation result area and other option areas; the calculation item selection area is used for determining calculation contents, including stability calculation and structure calculation, wherein the stability calculation includes anti-skid stability calculation, anti-seepage stability calculation, anti-overturning stability calculation, anti-floating stability calculation, foundation integral stability calculation and foundation settlement calculation; the part is synchronously checked with three-dimensional modeling and retaining wall cross section design structure, corresponding contents are stored in a program in advance in a programming language form, a preliminary suggestion is automatically given according to a design object, design parameters and a calculation result, and the design contents are dynamically adjusted by combining a calculation formula and a calculation diagram specified by a relevant specification;
selecting a load type, automatically adding the load type to a calculation diagram after confirmation, rechecking and calculating, carrying out anti-slip stability analysis on the retaining wall, obtaining an anti-force value, a load value, an anti-slip stability safety coefficient and an anti-slip stability safety coefficient according to an analysis result, automatically giving a preliminary suggested safety coefficient according to a system, rechecking and judging whether the system passes the rechecking, and exporting a design and calculation specification which generates a fixed format according to the calculation result without redesigning;
step nine, a module based on a finite element method is mainly used for analyzing the safety and stability of the retaining wall based on the finite element method, and the interface of the module comprises 4 aspects of a pre-processing area, a calculation parameter area, a graphic display area and a post-processing area;
and step ten, the post-processing area is used for checking the grid three-dimensional model and the finite element calculation data result file and importing the finite element calculation result part into a calculation specification.
Preferably, the setting type selection in the second step, the selection area considers four selection elements of wall type selection, filling property, filling type and foundation type, wherein the wall type refers to a retaining wall type, and the filling type of the filling type mainly considers a mode of filling soil behind a wall; the foundation types comprise soil foundations and rock foundations; the parameter setting comprises wall top elevation, wall bottom elevation, bottom width, top width, included angle between the back of the wall and the vertical plane, and wall unit weight, the design parameters of the retaining wall structure are preliminarily set according to the design experience, and the parameters are filled in the parameter area and then confirmed;
preferably, the other option area in the seventh step mainly includes three aspects, namely expert advice, returning to a design interface, and saving and exporting results, wherein the expert advice is mainly input advice for specific problems in the interface, and the advice is directly exported to a calculation specification; the function of result storage and export is to export the retaining wall calculation instruction according to the set format.
Preferably, each module of the finite element method described in the ninth step needs to be integrated, wherein a series of variables required by the core calculation program for performing the finite element analysis include boundary constraint variables and the like, and after the variables are filled in and confirmed, the variables are exported into a required calculation data file, and after the variables are endowed with values and confirmed, the variables are directly and automatically exported into a required calculation data file for the calculation of the core calculation program.
The invention provides a three-dimensional analysis platform-based parametric modeling method for a retaining wall, which aims to realize the lofting of the original topographic surface in the lofting process of the traditional CAD drawing through the conversion of a three-dimensional model, design the structure of the retaining wall, construct an analysis platform integrating the three-dimensional design and construction of the retaining wall, wherein the three-dimensional design technology, the parametric design technology and the calculation and analysis functions based on the specification and finite element method are organically combined, and the parametric design process needs to be considered to meet the technical specification requirements and meet the general thought of designers Visualization, dynamic and seamless.
Drawings
FIG. 1 is a flow diagram of an integration platform of the present invention;
Detailed Description
In order to further describe the parametric modeling method of the retaining wall based on the three-dimensional analysis platform, the following describes the method with reference to the accompanying drawings.
In the figure: a three-dimensional analysis platform-based retaining wall parametric modeling method comprises the following steps:
step one, project start
Inputting basic information of a project, and planning early-stage data of the project, wherein the basic data comprises basic design and exploration data and a rapid overall frame and a mode of the retaining wall are established;
step two, Civil3D secondary development programming design modular region control
The Civil3D secondary development programming design modular region control is adopted, a parameterization interface of the control is a main design window in a design function module, and the interface comprises a type selection area, a specific parameter design area, a reference criterion area, a graphic display area, a load adding area and a design review area; the selection area considers four selection factors of wall type selection, filling property, filling type and foundation type, wherein the wall type refers to a retaining wall type, and the filling type of the filling type mainly considers a mode of filling behind a wall; the foundation types comprise soil foundations and rock foundations; the parameter setting comprises wall top elevation, wall bottom elevation, bottom width, top width, included angle between the back of the wall and the vertical plane, and wall unit weight, the design parameters of the retaining wall structure are preliminarily set according to the design experience, and the parameters are filled in the parameter area and then confirmed;
step three, analyzing the exploration geological report
The method comprises the following steps that brief geological profile data information needs exploration points, exploration point plane layout maps, stratums, standard penetration tests, heavy dynamic penetration tests, geotechnical and mechanical property indexes, dry and wet types, geotechnical tests, particle analysis, exploration point plane layout maps and engineering geological profile maps;
step four, establishing a three-dimensional geological model through Civil3D
The method comprises the steps of establishing a model of a terrain surface by utilizing an unmanned aerial vehicle three-dimensional photography technology, wherein when the terrain surface model is established by utilizing photography, three-dimensional point cloud is required to be converted and is uniformly integrated with a geological model of address survey, the terrain is required to be cleaned from surface soil, sundries, vegetation, waste and the like on the ground surface are filtered and cleaned, and a GPS control network of a measurer checks, adjusts data and analyzes whether the actual requirements of a site are met;
step five, the basic flow for completing the three-dimensional design of the retaining wall through the civil3D part editor comprises the following points:
(1) conceiving the cross section type and the design structure of the retaining wall; (2) defining component parameters; (3) adding part geometric elements: the components of the parts mainly comprise points, connections and modeling objects; (4) editing part geometry elements: editing and setting the creation parameters of the component so as to achieve the effect of size driving; (5) defining part codes: adding codes to the part for controlling the display effect of the part elements in Civil3D, wherein the point codes are used for controlling elevation labeling, text labeling and the like; the connection code is used for controlling size marking, gradient marking and the like; (6) a lead-out section: exporting the parts to a pkt file so as to import the parts into Civil3D for assembly use;
step six, setting a retaining wall parameter module
The method comprises the steps that set parameters are utilized to carry out data comparison analysis with public variables in an integrated platform in time, the conflict is designed and corrected, standard reference files are required to be recorded into the whole system, implementation prompt and change are carried out at the initial stage of design modeling, the design intention which is not in accordance with the design structure safety is not met, a reference criterion area is used for facilitating designers to check related design reference files, three-dimensional visualization is used for checking a two-dimensional calculation chart, a three-dimensional schematic diagram and a load application chart of a retaining wall in real time, and complex programming is simplified through a visual graphic interface and code interaction mode by mainly utilizing a Subasssembly component editor in Civil3D, so that efficient automatic drawing is realized;
seventhly, the standard-based rechecking calculation module interface mainly comprises 5 areas, namely a calculation project selection area, a specific calculation process area, a calculation basis area, a calculation result area and other option areas; the calculation item selection area is used for determining calculation contents, including stability calculation and structure calculation, wherein the stability calculation includes anti-slip stability calculation, anti-seepage stability calculation, anti-overturning stability calculation, anti-floating stability calculation, foundation integral stability calculation and foundation settlement calculation; the part is synchronously checked with three-dimensional modeling and retaining wall cross section design structure, corresponding contents are stored in a program in advance in a programming language form, a preliminary suggestion is automatically given according to a design object, design parameters and a calculation result, and the design contents are dynamically adjusted by combining a calculation formula and a calculation diagram specified by a relevant specification; the other option areas mainly comprise three aspects of contents, namely expert suggestions, a design interface returning step and a result saving and exporting step, wherein the expert suggestions are mainly input suggestions aiming at specific problems in the interface, and the suggestions can be directly exported to a calculation specification; the result storage and export function is to export the retaining wall calculation instruction according to the set format;
selecting a load type, automatically adding the load type to a calculation diagram after confirmation, rechecking calculation, carrying out anti-slip stability analysis on the retaining wall, obtaining an anti-force value, a load value, an anti-slip stability safety coefficient and an anti-slip stability safety coefficient according to an analysis result, automatically giving a preliminary suggested safety coefficient by a system, judging whether rechecking is passed, and exporting a design and calculation specification generating a fixed format according to the calculation result without redesigning;
step nine, the module based on finite element method mainly analyzes the safety and stability of the retaining wall based on the finite element method, the interface of the module should include 4 aspects of a pre-processing area, a calculation parameter area, a graphic display area and a post-processing area, the module of the finite element method, each module calculation parameter needs to be integrated, wherein a series of variables required by a core calculation program for finite element analysis comprise boundary constraint variables and the like, the variables are filled and confirmed and then exported to be required calculation data files, and the variable information is endowed with values and is directly and automatically exported to be required calculation data files for the core calculation program to calculate and use;
and step ten, the post-processing area is used for checking the grid three-dimensional model and the finite element calculation data result file and importing the finite element calculation result part into a calculation specification.
The foregoing is illustrative and explanatory of the inventive concept, and nothing in this detail is known in the art, and it is intended that the invention be protected by the claims which follow and that the skilled person will make various modifications, additions or substitutions to the specific embodiments described, without departing from the inventive concept or exceeding the scope defined by the claims.
Claims (4)
1. A three-dimensional analysis platform-based retaining wall parametric modeling method is characterized by comprising the following steps:
step one, project start
Inputting basic information of a project, and planning early-stage data of the project, wherein the basic data comprises basic design and exploration data and a rapid overall frame and a mode of the retaining wall are established;
step two, Civil3D secondary development programming design modular region control
The Civil3D secondary development programming design modular region control is adopted, a parameterization interface of the control is a main design window in a design function module, and the interface comprises a type selection area, a specific parameter design area, a reference criterion area, a graphic display area, a load adding area and a design review area;
step three, analyzing the exploration geological report
The method comprises the following steps that brief geological profile data information needs exploration points, exploration point plane layout maps, stratums, standard penetration tests, heavy dynamic penetration tests, geotechnical and mechanical property indexes, dry and wet types, geotechnical tests, particle analysis, exploration point plane layout maps and engineering geological profile maps;
step four, establishing a three-dimensional geological model through Civil3D
The method comprises the steps of establishing a model of a terrain surface by utilizing an unmanned aerial vehicle three-dimensional photography technology, wherein when the terrain surface model is established by utilizing photography, three-dimensional point cloud is required to be converted and is uniformly integrated with a geological model of address survey, the terrain is required to be cleaned from surface soil, sundries, vegetation, waste and the like on the ground surface are filtered and cleaned, and a GPS control network of a measurer checks, adjusts data and analyzes whether the actual requirements of a site are met;
step five, the basic flow for completing the three-dimensional design of the retaining wall through the civil3D part editor is as follows:
(1) conceiving the cross section type and the design structure of the retaining wall; (2) defining component parameters; (3) adding part geometric elements: the components of the part mainly comprise points, connections and modeling objects; (4) editing part geometry elements: editing and setting the creation parameters of the component so as to achieve the effect of size driving; (5) defining part codes: adding codes to the part for controlling the display effect of the part elements in Civil3D, wherein the point codes are used for controlling elevation labeling, text labeling and the like; the connection code is used for controlling size marking, gradient marking and the like; (6) a lead-out section: exporting the parts to a pkt file so as to import the parts into Civil3D for assembly use;
step six, setting a retaining wall parameter module
The method comprises the steps that set parameters are utilized to carry out data comparison analysis with public variables in an integrated platform in time, the conflict is designed and corrected, standard reference files are required to be recorded into the whole system, implementation prompt and change are carried out at the initial stage of design modeling, the design intention which is not in accordance with the design structure safety is not met, a reference criterion area is used for facilitating designers to check related design reference files, three-dimensional visualization is used for checking a two-dimensional calculation chart, a three-dimensional schematic diagram and a load application chart of a retaining wall in real time, and complex programming is simplified through a visual graphic interface and code interaction mode by mainly utilizing a Subasssembly component editor in Civil3D, so that efficient automatic drawing is realized;
seventhly, the standard-based rechecking calculation module interface mainly comprises 5 areas, namely a calculation project selection area, a specific calculation process area, a calculation basis area, a calculation result area and other option areas; the calculation item selection area is used for determining calculation contents, including stability calculation and structure calculation, wherein the stability calculation includes anti-slip stability calculation, anti-seepage stability calculation, anti-overturning stability calculation, anti-floating stability calculation, foundation integral stability calculation and foundation settlement calculation; the part is synchronously checked with three-dimensional modeling and retaining wall cross section design structure, corresponding contents are stored in a program in advance in a programming language form, a preliminary suggestion is automatically given according to a design object, design parameters and a calculation result, and the design contents are dynamically adjusted by combining a calculation formula and a calculation diagram specified by a relevant specification;
selecting a load type, automatically adding the load type to a calculation diagram after confirmation, rechecking calculation, carrying out anti-slip stability analysis on the retaining wall, obtaining an anti-force value, a load value, an anti-slip stability safety coefficient and an anti-slip stability safety coefficient according to an analysis result, automatically giving a preliminary suggested safety coefficient by a system, judging whether rechecking is passed, and exporting a design and calculation specification generating a fixed format according to the calculation result without redesigning;
step nine, a module based on a finite element method is mainly used for analyzing the safety and stability of the retaining wall based on the finite element method, and the interface of the module comprises 4 aspects of a pre-processing area, a calculation parameter area, a graphic display area and a post-processing area;
and step ten, the post-processing area is used for checking the grid three-dimensional model and the finite element calculation data result file and importing the finite element calculation result part into a calculation specification.
2. The parametric modeling method for the retaining wall based on the three-dimensional analysis platform as claimed in claim 1, wherein the setting type selection in the second step is that the selection area considers four selection factors of wall type selection, filling property, filling type and foundation type, wherein the wall type refers to the type of the retaining wall, and the filling type of the filling type mainly takes the filling mode after the wall into consideration; the foundation types comprise soil foundations and rock foundations; the parameter planning comprises wall top elevation, wall bottom elevation, bottom width, top width, included angle between the back surface of the wall and a vertical surface and unit weight of the retaining wall, the design parameters of the retaining wall structure are preliminarily planned according to design experience, and the parameters are filled into a parameter area and then confirmed.
3. The parametric modeling method for the retaining wall based on the three-dimensional analysis platform as claimed in claim 1, wherein the other option areas in the seventh step mainly comprise three aspects, one is expert suggestion, the other is a design interface, and the other is result saving and exporting, wherein the expert suggestion mainly inputs suggestions for specific problems in the interface, and the suggestions are directly exported to a calculation specification; the function of result storage and export is to export the retaining wall calculation instruction according to the set format.
4. A parametric modeling method for a retaining wall based on a three-dimensional analysis platform as claimed in claim 1, characterized in that, in the ninth step, each module calculation parameter of the finite element method needs to be integrated, wherein a series of variables required by the core calculation program for finite element analysis include boundary constraint variables and the like, and after the variables are filled and confirmed, the variables are exported to the required calculation data file, and after the variables are assigned with values and confirmed, the variables are directly and automatically exported to the required calculation data file for the core calculation program to use.
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| CN112199743B (en) * | 2020-07-29 | 2023-05-26 | 长江勘测规划设计研究有限责任公司 | Assembly building method and three-dimensional parameterized arrangement method of road shoulder retaining wall |
| CN113505408B (en) * | 2021-07-07 | 2022-04-05 | 中水淮河规划设计研究有限公司 | Empty box retaining wall full-parametric three-dimensional model construction method based on feature model |
| CN114218631A (en) * | 2021-12-01 | 2022-03-22 | 中国电建集团成都勘测设计研究院有限公司 | Retaining wall three-dimensional design system based on 3DE platform |
| CN114398711A (en) * | 2022-03-25 | 2022-04-26 | 中国长江三峡集团有限公司 | Concrete gravity dam CAE integrated analysis method and device and electronic equipment |
| CN115146363B (en) * | 2022-07-26 | 2023-04-18 | 中铁长江交通设计集团有限公司 | Civil 3D-based damming structure and construction drawing creation method |
| CN115422647B (en) * | 2022-11-07 | 2023-03-24 | 中水淮河规划设计研究有限公司 | Method for establishing multi-type circular arc cantilever type retaining wall three-dimensional model through full parameters |
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