CN112347543A - BIM-based vehicle base field terrace earth-rock square balance design method - Google Patents
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Abstract
A BIM-based vehicle base field earth and stone square balance design method comprises the following steps: s100, processing a terrain CAD file with a height point, and importing PowerCivil to generate a terrain triangulation network; s200, determining a land red line of a vehicle base; s300, inputting elevation parameters and slope releasing parameters of the vehicle base to generate a vehicle base field model; s400, inputting filling data and excavation coefficients, and reading a field level earth and stone filling calculation result; s500, calculating and optimizing the elevation of the field, and repeating the steps S300-400 until the optimal elevation of the field with balanced earthwork and the quantity of filling and excavating projects corresponding to the balanced earthwork are obtained. The method can conveniently calculate the number of earthwork projects on the field level, can quickly realize the earthwork balance design, can be applied to the later three-dimensional simulation, and solves the problems of limited calculation precision, complicated calculation process and easy error of the traditional earthwork calculation method.
Description
Technical Field
The invention relates to the field of urban rail transit vehicle bases, in particular to a BIM-based vehicle base terrace earth-rock space balance design method.
Background
The vehicle base is a vehicle maintenance and logistics support base of a subway system and generally comprises a vehicle section, a comprehensive maintenance center, a material general base, a training center and other parts, and related living facilities. The existing vehicle base is generally designed by adopting a two-dimensional drawing, and the actual topographic relief change condition cannot be visually shown. Vehicle bases generally occupy a large area, in excess of 10 km2. The earth and stone engineering is the first engineering of vehicle base construction, and has the characteristics of large quantity, wide range and long construction period. In order to ensure that the subway engineering achieves the targets of safety, reliability, reasonable functions, economy and applicability, the elevation of a vehicle base terrace needs to be reasonably determined, and the aim of realizing earth-rock square balance is fulfilled on the premise of ensuring the functions, namely the excavation engineering quantity and the filling engineering quantity are basically balanced. The earthwork project generally comprises the following design steps of (1) measuring the actual elevation of a field; (2) determining a design elevation of a field; (3) and calculating the volume of earth and stone.
According to the traditional field earth and stone space balance design, the engineering land occupation range of a vehicle base is determined according to a terrain two-dimensional plane graph and a determined field elevation, then earth and stone space quantity is calculated according to a scatter point method (area weighting) or a section method, finally earth and stone space engineering quantity calculation is carried out according to an operation method on a table, and earth and stone space balance design is realized by continuously optimizing the field elevation. The conventional method has the following disadvantages: the coordinate points on a topographic map of an earth and stone engineering with complex terrain are thousands or even tens of thousands, the traditional earth and stone calculation method has limited calculation precision, complicated calculation process and easy error, and the calculation workload is multiplied for realizing earth and stone balance by repeated calculation.
Building Information Model (BIM) is based on various relevant information data of a construction project, building models are built, and real information of buildings is simulated through digital information. The method has eight characteristics of information completeness, information relevance, information consistency, visualization, coordination, simulation, optimization and graphing property, can realize three-dimensional visualization design of a vehicle base, calculates the elevation of the terrace through the dichotomy, and can realize earth-rock square balance design of the terrace.
In the BIM design, a two-dimensional terrain plan and a field design plan provided in the traditional design are changed into three-dimensional terrain curved surfaces, and the earth and stone analysis function of BIM software is combined, so that the balance design of the field earth and stone space with high precision and high efficiency can be developed. Under the current situation, no matter basic input data or design means of the design have changed fundamentally, the requirement of earth and stone balance design of the field under the BIM environment cannot be met by using the traditional two-dimensional design means, and therefore a BIM design method is urgently needed to be found to solve the BIM design problem of the field of the subway vehicle base.
Disclosure of Invention
In view of the above, the present invention has been developed to provide a BIM-based vehicle base site earth-rock square balance design method that overcomes, or at least partially addresses, the above-identified problems.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
a BIM-based vehicle base field earth and stone square balance design method comprises the following steps:
s100, processing a terrain CAD file with a height point, and importing PowerCivil to generate a terrain triangulation network;
s200, determining a land red line of a vehicle base;
s300, inputting elevation parameters and slope releasing parameters of the vehicle base to generate a vehicle base field model;
s400, inputting filling data and excavation coefficients, and reading a field level earth and stone filling calculation result;
s500, calculating and optimizing the elevation of the field, and repeating the steps S300-400 until the optimal elevation of the field with balanced earthwork and the quantity of filling and excavating projects corresponding to the balanced earthwork are obtained.
Further, S100 specifically includes:
s101, editing a pattern filter group, and filtering unnecessary high-level points;
s102, establishing a terrain model by a maximum triangle length boundary method;
and S103, deriving a tin-format terrain model.
Further, in S200, the ground red line for the vehicle base is drawn by using the plane geometry function.
Further, S300 specifically includes:
s301, in the longitudinal plane geometry, giving elevation parameters to a vehicle base by using an elevation longitudinal section;
s302, establishing a field model by a maximum triangle length boundary method;
s303, inputting slope releasing parameters, and creating a slope from the slope to the terrain by using three-dimensional geometry.
Further, in S301, the elevation profile is a fixed elevation or a variable elevation.
Further, S400 specifically includes:
s401, positioning a terrain model to be calculated and a field slope model;
s402, inputting a digging coefficient and a filling coefficient;
and S403, reading fill-out and excavation data.
Further, S500 specifically includes:
s501, comparing the filling and excavating data calculated in the previous time with a design target;
s502, calculating the elevation of the optimized terrace by a dichotomy by combining the previous calculation result;
s503, repeating the steps S300-S400 to calculate the earthwork;
and S504, calculating to obtain the optimal terrace elevation of earth and stone square balance and the quantity of filling and excavating projects corresponding to the earth and stone square balance through a dichotomy.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
the BIM-based vehicle base field earth-rock space balance design method disclosed by the invention has the advantages that a three-dimensional terrain model is generated through elevation point data, a vehicle base field three-dimensional model is created on the basis of the three-dimensional terrain model, and a complete BIM model is finally generated, so that the three-dimensional visualization of the field design is realized. In the invention, after the model is established, the number of earthwork projects on the terrace can be conveniently calculated, the earthwork balance design can be quickly realized, and the method can be applied to the later three-dimensional simulation. Therefore, the invention is very suitable for the actual needs of modern traffic engineering construction, and has wider application prospect in the field of rail traffic construction.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a BIM-based vehicle base yard earth-rock space balance design method in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional terrain model generated in embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a three-dimensional plateau model generated in example 1 of the present invention;
fig. 4 is an earth and stone analysis functional interface of the BIM software used in embodiment 1 of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In order to solve the problems that a traditional earth and stone square calculation method in the prior art is limited in calculation precision, complicated in calculation process and prone to errors, the embodiment of the invention provides a BIM-based vehicle base field plateau earth and stone square balance design method.
Example 1
The embodiment discloses a BIM-based vehicle base field earth-rock square balance design method, which comprises the following steps:
s100, processing a terrain CAD file with a height point, and importing PowerCivil to generate a terrain triangulation network;
in this embodiment, the substeps of processing a terrain CAD file with elevation points, importing PowerCivil to generate a terrain triangulation network, and generating a spatial three-dimensional terrain model include:
s101, editing a pattern filter group, and filtering unnecessary high-level points;
s102, establishing a terrain model by a maximum triangle length boundary method;
and S103, deriving a tin-format terrain model.
S200, determining a land red line of a vehicle base; in the present embodiment, the ground red line for the vehicle base is drawn using the plane geometry function. The land red line of the vehicle base represents the land for the vehicle base.
S300, inputting elevation parameters and slope releasing parameters of the vehicle base to generate a vehicle base field model; in this embodiment, inputting elevation parameters and slope parameters of a vehicle base to generate a vehicle base terrace model specifically includes:
s301, in the longitudinal plane geometry, giving elevation parameters to a vehicle base by using an elevation longitudinal section; preferably, the elevation profile may be a fixed elevation or a variable elevation.
S302, establishing a field model by a maximum triangle length boundary method;
s303, inputting slope releasing parameters, and creating a slope from the slope to the terrain by using three-dimensional geometry.
S400, inputting filling data and excavation coefficients, and reading a field level earth and stone filling calculation result; in this embodiment, inputting fill data and excavation coefficients, and reading the calculation result of filling and excavating the earth and stone on the field, specifically includes:
s401, positioning a terrain model to be calculated and a field slope model;
s402, inputting a digging coefficient and a filling coefficient;
and S403, reading fill-out and excavation data.
S500, calculating and optimizing the elevation of the field, and repeating the steps S300-400 until the optimal elevation of the field with balanced earthwork and the quantity of filling and excavating projects corresponding to the balanced earthwork are obtained.
In this embodiment, the calculating and optimizing the elevation of the terrace, and repeating the steps S300-400 until the optimal elevation of the terrace with earth-rock balance and the number of filling and excavating works corresponding to the earth-rock balance are obtained, specifically includes:
s501, comparing the filling and excavating data calculated in the previous time with a design target;
s502, calculating the elevation of the optimized terrace by a dichotomy by combining the previous calculation result;
s503, repeating the steps S300-S400 to calculate the earthwork;
and S504, calculating to obtain the optimal terrace elevation of earth and stone square balance and the quantity of filling and excavating projects corresponding to the earth and stone square balance through a dichotomy.
The BIM-based vehicle base field earth-rock space balance design method disclosed by the invention has the advantages that a three-dimensional terrain model is generated through elevation point data, a vehicle base field three-dimensional model is created on the basis of the three-dimensional terrain model, and a complete BIM model is finally generated, so that the three-dimensional visualization of the field design is realized. In the invention, after the model is established, the number of earthwork projects on the terrace can be conveniently calculated, the earthwork balance design can be quickly realized, and the method can be applied to the later three-dimensional simulation. Therefore, the invention is very suitable for the actual needs of modern traffic engineering construction, and has wider application prospect in the field of rail traffic construction.
It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not intended to be limited to the specific order or hierarchy presented.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. Of course, the processor and the storage medium may reside as discrete components in a user terminal.
For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in memory units and executed by processors. The memory unit may be implemented within the processor or external to the processor, in which case it can be communicatively coupled to the processor via various means as is known in the art.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
Claims (7)
1. A BIM-based vehicle base field earth and stone square balance design method is characterized by comprising the following steps:
s100, processing a terrain CAD file with a height point, and importing PowerCivil to generate a terrain triangulation network;
s200, determining a land red line of a vehicle base;
s300, inputting elevation parameters and slope releasing parameters of the vehicle base to generate a vehicle base field model;
s400, inputting filling data and excavation coefficients, and reading a field level earth and stone filling calculation result;
s500, calculating and optimizing the elevation of the field, and repeating the steps S300-400 until the optimal elevation of the field with balanced earthwork and the quantity of filling and excavating projects corresponding to the balanced earthwork are obtained.
2. The BIM-based vehicle base yard earth-rock square balance design method of claim 1, wherein S100 specifically comprises:
s101, editing a pattern filter group, and filtering unnecessary high-level points;
s102, establishing a terrain model by a maximum triangle length boundary method;
and S103, deriving a tin-format terrain model.
3. The BIM-based vehicle base yard earth-rock square balance design method of claim 1, wherein in S200, the vehicle base ground red line is drawn by using a plane geometry function.
4. The BIM-based vehicle base yard earth-rock square balance design method of claim 1, wherein S300 specifically comprises:
s301, in the longitudinal plane geometry, giving elevation parameters to a vehicle base by using an elevation longitudinal section;
s302, establishing a field model by a maximum triangle length boundary method;
s303, inputting slope releasing parameters, and creating a slope from the slope to the terrain by using three-dimensional geometry.
5. The BIM-based vehicle base site earth-rock space balance design method of claim 1, wherein in S301, the elevation profile is a fixed elevation or a variable elevation.
6. The BIM-based vehicle base yard earth-rock square balance design method of claim 1, wherein S400 specifically comprises:
s401, positioning a terrain model to be calculated and a field slope model;
s402, inputting a digging coefficient and a filling coefficient;
and S403, reading fill-out and excavation data.
7. The BIM-based vehicle base yard earth-rock square balance design method of claim 1, wherein S500 specifically comprises:
s501, comparing the filling and excavating data calculated in the previous time with a design target;
s502, calculating the elevation of the optimized terrace by a dichotomy by combining the previous calculation result;
s503, repeating the steps S300-S400 to calculate the earthwork;
and S504, calculating to obtain the optimal terrace elevation of earth and stone square balance and the quantity of filling and excavating projects corresponding to the earth and stone square balance through a dichotomy.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114612629A (en) * | 2022-03-15 | 2022-06-10 | 中科海慧（北京）科技有限公司 | Method and system for calculating volume of excavated earth and stone of mineral resources |
| CN114820957A (en) * | 2022-03-25 | 2022-07-29 | 中南大学 | Three-dimensional intelligent design method for railway line-side terrace |
Citations (1)
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| CN103473394A (en) * | 2013-08-20 | 2013-12-25 | 中冶集团武汉勘察研究院有限公司 | Earthwork balance optimization design method for multiple station section type field leveling layout |
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2020
- 2020-11-24 CN CN202011327039.6A patent/CN112347543A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103473394A (en) * | 2013-08-20 | 2013-12-25 | 中冶集团武汉勘察研究院有限公司 | Earthwork balance optimization design method for multiple station section type field leveling layout |
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| 中文网小编2号: "BIM模型如何计算出土方工程量", 《HTTP://WWW.CHINAREVIT.COM/REVIT-63539-1-1.HTML》 * |
| 中文网小编3号: "BIM如何做基坑？BIM施工中的基坑模型创建方法", 《HTTP://WWW.CHINAREVIT.COM/REVIT-55160-1-1.HTML》 * |
| 夏诗画等: "基于BIM的山地城市隧道工程三维设计及应用研究", 《公路交通技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114612629A (en) * | 2022-03-15 | 2022-06-10 | 中科海慧（北京）科技有限公司 | Method and system for calculating volume of excavated earth and stone of mineral resources |
| CN114820957A (en) * | 2022-03-25 | 2022-07-29 | 中南大学 | Three-dimensional intelligent design method for railway line-side terrace |
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Application publication date: 20210209 |