CN107808414A - A kind of virtual foundation ditch excavation method of above and below ground three-dimensional integratedization - Google Patents
A kind of virtual foundation ditch excavation method of above and below ground three-dimensional integratedization Download PDFInfo
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- CN107808414A CN107808414A CN201711063179.5A CN201711063179A CN107808414A CN 107808414 A CN107808414 A CN 107808414A CN 201711063179 A CN201711063179 A CN 201711063179A CN 107808414 A CN107808414 A CN 107808414A
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Abstract
The invention discloses a kind of virtual foundation ditch excavation method of above and below ground three-dimensional integratedization, belong to geospatial information field, the present invention is on the basis of existing three-dimensional digital city construction achievement, for user for Municipal Infrastructure Management, the understanding place of engineering construction prospecting etc., the needs of the below ground present situation situation such as road, realize the functional method of the virtual excavation of foundation pit under three-dimensional visualization environment, solve the excavation of foundation pit and visualization superposition problem of the above and below ground different types of data under three-dimensional scenic, construction project Preliminary design effectively can be aided in by three-dimensional visualization mode.
Description
Technical field
The invention belongs to geospatial information field, more particularly to the virtual excavation of foundation pit of above and below ground three-dimensional integratedization
Method.
Background technology
GIS-Geographic Information System is a kind of specific highly important space information system.It is in computer hardware and software system
Under system is supported, the relevant geographic distribution data in earth top layer space all or in part is acquired, stored, is managed, computing, point
The technological system analyse, being shown and described.Wherein three-dimensional geographic information system is with three-dimensional by traditional two-dimentional GIS-Geographic Information System
Visualization technique is combined, and more intuitively effect of visualization and space querying point are provided the user under three-dimensional visualization scene
Analyse function.
Above and below ground three-dimensional integratedization is in three-dimensional geographic information system, by surface structures, earth's surface road, earth's surface field
The three-dimensional modeling data progress of the above and below ground such as ground, underground utilities, the underground space, engineering geology is integrated, utilizes three dimensional field
Scape shows locus and its spatial relationship of its Various types of data.
Current existing virtual foundation ditch excavation method, can only be excavated to a kind of three-dimensional modeling data, and will can not be built
If all integrated superposition of Around relevant environment carries out virtual excavation analysis, therefore, it is necessary to one kind can will build up engineering ground
The three-dimensional data model comprehensive integrations such as the building on periphery, landform, road, underground utilities, the underground space are simultaneously virtually excavated
Above and below ground integrated virtual excavation method, it is preferably construction project Preliminary design Analysis Service.
The content of the invention
In view of the above-mentioned deficiency of prior art, the technical problems to be solved by the invention are to provide one kind in three-dimensional visible
Change the method for simulating excavation in environment.
To achieve the above object, the invention provides a kind of virtual foundation ditch excavation method of above and below ground three-dimensional integratedization,
It is characterized in that carry out according to the following steps：
Step 1: structure excavation of foundation pit face；
Step 2: perform virtual excavate；
Integrated Step 3: virtually excavating achievement；
Excavation of foundation pit face is built described in step 1 to carry out according to the following steps：
A1, determine excavation of foundation pit planar range line；
A2, the depth for determining excavation of foundation pit, by foundation ditch bottom surface absolute altitude, to determine cutting depth；
A3, structure excavation of foundation pit face；Planar range line and excavation of foundation pit depth, structure top surface scope side are ended using foundation ditch
Line and bottom surface scope sideline.For bottom surface scope sideline, by connecting the point on sideline clockwise, the triangulation network is built, completes bottom
The excavation of foundation pit face structure in face；For top surface scope sideline and bottom surface scope sideline, clockwise and interval connects top surface, bottom according to this
Point on the sideline of face, the triangulation network is built, complete the excavation of foundation pit face structure of side wall；
Virtual excavate is performed described in step 2 to carry out according to the following steps：
B1, according to three-dimensional data whether in top surface scope line, the three-dimensional data not in top surface scope line is not performed
Excavate, retain the reset condition of its three-dimensional data；And in top surface scope line three-dimensional data perform excavation, directly utilize foundation ditch
Excavation face carries out intersecting analysis with forming the original triangular facet of data above, by excavation of foundation pit face by three-dimensional data intersection
Reason, is cut the triangular facet of three-dimensional initial data using excavation of foundation pit side wall, along side wall by three-dimensional original data division
Two parts of inside face and exterior face for excavation of foundation pit scope, inside face is deleted, retain exterior face；
B2, the side wall excavation of foundation pit face generated in the exterior face of the three-dimensional data of reservation and step 1 and bottom surface foundation ditch opened
Digging face carries out visualization integrative display, the three-dimensional foundation ditch effect after just being excavated.
Carried out preferably, virtually excavating achievement described in step 3 and integrating following steps：
C1, with reference to existing three-dimensional data resource, from ground, up to subsurface is three-dimensional building model, three-dimensional place mould according to this
Type, three-dimensional traverse, three-dimensional underground utilities model, 3 D engineering geology model and the vertical pass for dimensionally playing spatial model
System, using the method in step 2 perform it is virtual excavate, and according to it is original from ground up to subsurface be three-dimensional building according to this
Model, three-dimensional place model, three-dimensional traverse, three-dimensional underground utilities model, 3 D engineering geology model and dimensionally lower sky
Between the vertical relation of model carry out the superposition and display of its excavation of foundation pit effect, that is, complete above and below ground integrated virtual excavate into
Fruit is integrated.
The beneficial effects of the invention are as follows：The present invention can be according to user for Municipal Infrastructure Management, engineering construction prospecting etc.
Understand place, the needs of the below ground present situation situation such as road, realizing a kind of can will build up building for engineering ground periphery
Build, the three-dimensional data model comprehensive integration such as landform, road, underground utilities, the underground space and the above and below ground virtually excavated
Integrated virtual excavation method, this method can utilize three-dimensional visualization technique means, in virtual environment Imitating excavation effect,
The excavation efficiency of complex three-dimensional model can be increased substantially by comparing prior art, effectively ancillary works designer can understand work
Journey place situation, personnel's field process number and time are reduced, reduce time cost and through costly, be preferably construction project
Preliminary design Analysis Service
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the specific embodiment of the invention.
Fig. 2 is structure excavation of foundation pit face schematic diagram.
Fig. 3 is building, landform, the virtual excavation of foundation pit schematic diagram of road three-dimensional data execution.
Fig. 4 is that engineering geology three-dimensional data performs virtual excavation of foundation pit schematic diagram.
Fig. 5 is virtual excavation of foundation pit effect diagram one under three-dimensional visualization environment.
Fig. 6 is virtual excavation of foundation pit effect diagram two under three-dimensional visualization environment.
Fig. 7 is virtual excavation of foundation pit effect diagram three under three-dimensional visualization environment.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in figure 1, to achieve the above object, the invention provides a kind of virtual foundation ditch of above and below ground three-dimensional integratedization
Excavation method, it is characterised in that carry out according to the following steps：
Step 1: structure excavation of foundation pit face；
Step 2: perform virtual excavate；
Integrated Step 3: virtually excavating achievement；
Excavation of foundation pit face is built described in step 1 to carry out according to the following steps：
A1, determine excavation of foundation pit planar range line；
A2, the depth for determining excavation of foundation pit, by foundation ditch bottom surface absolute altitude, to determine cutting depth；
A3, structure excavation of foundation pit face；Planar range line and excavation of foundation pit depth, structure top surface scope side are ended using foundation ditch
Line and bottom surface scope sideline.For bottom surface scope sideline, by connecting the point on sideline clockwise, the triangulation network is built, completes bottom
The excavation of foundation pit face structure in face；For top surface scope sideline and bottom surface scope sideline, clockwise and interval connects top surface, bottom according to this
Point on the sideline of face, the triangulation network is built, complete the excavation of foundation pit face structure of side wall；Performed described in step 2 it is virtual excavate press with
Lower step is carried out：
B1, according to three-dimensional data whether in top surface scope line, the three-dimensional data not in top surface scope line is not performed
Excavate, retain the reset condition of its three-dimensional data；And in top surface scope line three-dimensional data perform excavation, directly utilize foundation ditch
Excavation face carries out intersecting analysis with forming the original triangular facet of data above, by excavation of foundation pit face by three-dimensional data intersection
Reason, is cut the triangular facet of three-dimensional initial data using excavation of foundation pit side wall, along side wall by three-dimensional original data division
Two parts of inside face and exterior face for excavation of foundation pit scope, inside face is deleted, retain exterior face；
B2, the side wall excavation of foundation pit face generated in the exterior face of the three-dimensional data of reservation and step 1 and bottom surface foundation ditch opened
Digging face carries out visualization integrative display, the three-dimensional foundation ditch effect after just being excavated.
Carried out preferably, virtually excavating achievement described in step 3 and integrating following steps：
C1, with reference to existing three-dimensional data resource, from ground, up to subsurface is three-dimensional building model, three-dimensional place mould according to this
Type, three-dimensional traverse, three-dimensional underground utilities model, 3 D engineering geology model and the vertical pass for dimensionally playing spatial model
System, using the method in step 2 perform it is virtual excavate, and according to it is original from ground up to subsurface be three-dimensional building according to this
Model, three-dimensional place model, three-dimensional traverse, three-dimensional underground utilities model, 3 D engineering geology model and dimensionally lower sky
Between the vertical relation of model carry out the superposition and display of its excavation of foundation pit effect, that is, complete above and below ground integrated virtual excavate into
Fruit is integrated.
As shown in Fig. 2 it is shown that structure excavation of foundation pit face schematic diagram.
As shown in figure 3, it is shown that building, landform, road three-dimensional data perform virtual excavation of foundation pit schematic diagram.
As shown in figure 4, it is shown that engineering geology three-dimensional data performs virtual excavation of foundation pit schematic diagram.
As shown in figure 5, it is shown that virtual excavation of foundation pit effect diagram under three-dimensional visualization environment, it can be seen that engineering
After building the virtual excavation in place, geological condition in foundation ditch.
As shown in fig. 6, it is shown that virtual excavation of foundation pit effect diagram under three-dimensional visualization environment, it can be seen that engineering
After building the virtual excavation in place, the spatial relation such as geology, underground utilities, underground garage and surface structures in foundation ditch.
As shown in fig. 7, it is shown that virtual excavation of foundation pit effect diagram under three-dimensional visualization environment, it can be seen that engineering
After building the virtual excavation in place, the spatial relation and trend of all kinds of underground utilities in foundation ditch.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (2)
1. a kind of virtual foundation ditch excavation method of above and below ground three-dimensional integratedization, it is characterised in that carry out according to the following steps：
Step 1: structure excavation of foundation pit face；
Step 2: perform virtual excavate；
Integrated Step 3: virtually excavating achievement；
Excavation of foundation pit face is built described in step 1 to carry out according to the following steps：
A1, determine excavation of foundation pit planar range line；
A2, the depth for determining excavation of foundation pit, by foundation ditch bottom surface absolute altitude, to determine cutting depth；
A3, structure excavation of foundation pit face；End planar range line and excavation of foundation pit depth using foundation ditch, structure top surface scope sideline and
Bottom surface scope sideline；For bottom surface scope sideline, by connecting the point on sideline clockwise, the triangulation network is built, completes bottom surface
Excavation of foundation pit face is built；For top surface scope sideline and bottom surface scope sideline, clockwise and interval connects top surface, bottom surface side according to this
Point on line, the triangulation network is built, complete the excavation of foundation pit face structure of side wall；
Virtual excavate is performed described in step 2 to carry out according to the following steps：
B1, according to three-dimensional data whether in top surface scope line, excavation is not performed to the three-dimensional data not in top surface scope line,
Retain the reset condition of its three-dimensional data；And in top surface scope line three-dimensional data perform excavation, directly utilize excavation of foundation pit
Face is carried out intersecting analysis with forming the original triangular facet of data above, and three-dimensional data is intersected into processing, profit by excavation of foundation pit face
The triangular facet of three-dimensional initial data is cut with excavation of foundation pit side wall, by three-dimensional original data division is foundation ditch along side wall
Two parts of inside face and exterior face of scope are excavated, delete inside face, retain exterior face；
B2, by the side wall excavation of foundation pit face generated in the exterior face of the three-dimensional data of reservation and step 1 and bottom surface excavation of foundation pit face
Visualization integrative display is carried out, the three-dimensional foundation ditch effect after being excavated.
2. the virtual foundation ditch excavation method of above and below ground three-dimensional integratedization as claimed in claim 1, it is characterized in that：In step 3
The virtual achievement of excavating integrates following steps progress：
C1, with reference to existing three-dimensional data resource, from ground up to subsurface be according to this three-dimensional building model, three-dimensional place model,
Three-dimensional traverse, three-dimensional underground utilities model, 3 D engineering geology model and the vertical relation for dimensionally playing spatial model, profit
With the method in step 2 perform it is virtual excavate, and according to it is original from ground up to subsurface be according to this three-dimensional building model,
Three-dimensional place model, three-dimensional traverse, three-dimensional underground utilities model, 3 D engineering geology model and dimensionally play spatial model
Vertical relation carry out the superposition and display of its excavation of foundation pit effect, that is, completing above and below ground integrated virtual, to excavate achievement whole
Close.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711063179.5A CN107808414B (en) | 2017-11-02 | 2017-11-02 | Method for excavating virtual foundation pit with three-dimensional integration of ground and underground |
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| CN201711063179.5A CN107808414B (en) | 2017-11-02 | 2017-11-02 | Method for excavating virtual foundation pit with three-dimensional integration of ground and underground |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597021A (en) * | 2018-04-20 | 2018-09-28 | 武汉地大信息工程股份有限公司 | A kind of above and below ground threedimensional model integrally exhibiting method and system |
| CN109712233A (en) * | 2018-12-27 | 2019-05-03 | 华自科技股份有限公司 | Pipeline failure display methods, system, AR equipment and storage medium |
| CN111241611A (en) * | 2018-11-27 | 2020-06-05 | 星际空间（天津）科技发展有限公司 | Method for assisting foundation pit implementation |
| CN113919035A (en) * | 2021-08-04 | 2022-01-11 | 中铁九局集团第七工程有限公司 | BIM and GIS-based electronic sand table construction method and system |
| CN114611190A (en) * | 2022-03-14 | 2022-06-10 | 国核示范电站有限责任公司 | Three-dimensional excavation analysis method, device, equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386474A (en) * | 2015-10-22 | 2016-03-09 | 上海交通大学 | Method for determining influences of leakage of waterproof curtain above foundation pit excavation face on surrounding environment |
| CN105631935A (en) * | 2015-12-30 | 2016-06-01 | 上海顺凯信息技术股份有限公司 | BIM-based three-dimensional geological automatic modeling method |
| CN106355640A (en) * | 2016-08-26 | 2017-01-25 | 广州市城市规划勘测设计研究院 | Ground-underground three-dimensional integrated space processing method and system |
| CN106503381A (en) * | 2016-11-01 | 2017-03-15 | 中国矿业大学(北京) | A kind of Underground Subway Station Virtual Construction construction on site method based on BIM GIS technologies |
| JP2017186766A (en) * | 2016-04-04 | 2017-10-12 | Ｊｆｅ建材株式会社 | Caisson type pile and earth retaining material used with the same |
| CN107288115A (en) * | 2017-08-09 | 2017-10-24 | 中交公局厦门工程有限公司 | Soft stratum foundation ditch deeply mixing cement-soil pile monitoring method |
-
2017
- 2017-11-02 CN CN201711063179.5A patent/CN107808414B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386474A (en) * | 2015-10-22 | 2016-03-09 | 上海交通大学 | Method for determining influences of leakage of waterproof curtain above foundation pit excavation face on surrounding environment |
| CN105631935A (en) * | 2015-12-30 | 2016-06-01 | 上海顺凯信息技术股份有限公司 | BIM-based three-dimensional geological automatic modeling method |
| JP2017186766A (en) * | 2016-04-04 | 2017-10-12 | Ｊｆｅ建材株式会社 | Caisson type pile and earth retaining material used with the same |
| CN106355640A (en) * | 2016-08-26 | 2017-01-25 | 广州市城市规划勘测设计研究院 | Ground-underground three-dimensional integrated space processing method and system |
| CN106503381A (en) * | 2016-11-01 | 2017-03-15 | 中国矿业大学(北京) | A kind of Underground Subway Station Virtual Construction construction on site method based on BIM GIS technologies |
| CN107288115A (en) * | 2017-08-09 | 2017-10-24 | 中交公局厦门工程有限公司 | Soft stratum foundation ditch deeply mixing cement-soil pile monitoring method |
Non-Patent Citations (1)
| Title |
|---|
| 詹勇: "城市地下管网参数化三维建模流程与方法", 《城市勘测》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597021A (en) * | 2018-04-20 | 2018-09-28 | 武汉地大信息工程股份有限公司 | A kind of above and below ground threedimensional model integrally exhibiting method and system |
| CN108597021B (en) * | 2018-04-20 | 2022-03-11 | 武汉地大信息工程股份有限公司 | Integrated display method and system for three-dimensional models above and below ground |
| CN111241611A (en) * | 2018-11-27 | 2020-06-05 | 星际空间（天津）科技发展有限公司 | Method for assisting foundation pit implementation |
| CN109712233A (en) * | 2018-12-27 | 2019-05-03 | 华自科技股份有限公司 | Pipeline failure display methods, system, AR equipment and storage medium |
| CN113919035A (en) * | 2021-08-04 | 2022-01-11 | 中铁九局集团第七工程有限公司 | BIM and GIS-based electronic sand table construction method and system |
| CN114611190A (en) * | 2022-03-14 | 2022-06-10 | 国核示范电站有限责任公司 | Three-dimensional excavation analysis method, device, equipment and storage medium |
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