CN109859312A - A kind of fining three-dimensional geological model modeling method based on BIM technology - Google Patents
A kind of fining three-dimensional geological model modeling method based on BIM technology Download PDFInfo
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- 238000005498 polishing Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 7
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Abstract
The fining three-dimensional geological model modeling method based on BIM technology that the invention discloses a kind of, it is characterized in that the modeling method is the following steps are included: collecting the drilling single hole individual-layer data of modeling object, finding out the wherein stratum number comprising unfavorable geologic body and being rejected；Initial three-dimensional geological model is established using the drilling single hole individual-layer data after rejecting unfavorable geology volume data, establishes unfavorable geologic body three-dimensional geological model using the unfavorable geology volume data of rejecting；The unfavorable geologic body three-dimensional geological model is embedded in the initial three-dimensional geological model and completes model integration, obtains the fining three-dimensional geological model of modeling object.The invention has the advantages that the three-dimensional geological model for establishing the modeling object including unfavorable geologic body can be effectively improved, construction risk is advantageously reduced.
Description
Technical field
The present invention relates to BIM modeling techniques fields, and in particular to a kind of fining three-dimensional geological based on BIM technology
Model modelling approach.
Background technique
The three dimensional stress of engineering investigation achievement based on BIM technology is that BIM technology is important in the application of engineering Life cycle
A ring, compared to building BIM, structure BIM, electromechanics BIM, prospecting BIM develop relatively lags behind.Reconnoitring BIM is three-dimensional geological mould
The combination of type and engineering investigation performance data, the fining degree of three-dimensional geological model building determine prospecting BIM model
Fineness, therefore, constructing application of the three-dimensional geological model of fining for BIM technology in engineering investigation field has important work
With.
The construction method of conventional three-dimensional geological model often uses GIS technology, and finally formed three-dimension GIS geological model is only
Stratigraphic section information, and final GIS achievement model can not be checked after carrying out cutting to model comprising strata interface information
It is difficult to be unable to give full play the effect of three-dimensional geological model with the BIM model high effective integration of other professions.Therefore, it is based on BIM skill
The fining three-dimensional geological model modeling of art is to reconnoitre the development trend of BIM.It is found by investigation, is based on BIM technology at this stage
Three-dimensional geological modeling technology mainly have " level method ", " drilling triangular prism method ", " layer-by-layer adult method ", above-mentioned three kinds of methods are needles
Widely used method is modeled for three-dimensional geological model, it can be with Primary Construction place three-dimensional geological model.But for stratum
In the creation comprising the fining three-dimensional geological model of unfavorable geologic bodies such as lenticular body, interlayer, dark creek also lack corresponding modeling
Technology.However the unfavorable geologic bodies such as lenticular body, dark creek are often construction risk point place, need to give in three-dimensional geological model
Reaction indicates construction risk in conjunction with BIM technology in advance, ensures therefore construction safety needs to research and develop based on the fine of BIM technology
Change three-dimensional geological modeling technology.
Summary of the invention
According to the deficiencies of the prior art described above, It is an object of the present invention to provide a kind of based on the fine of BIM technology
Change three-dimensional geological model modeling method, drilling single hole individual-layer data of the modeling method based on collection rejects unfavorable geologic body institute
It is numbered on the stratum on stratum, establishes complete three-dimensional geological model, the unfavorable geologic body data of rejecting are individually then established it
Three-dimensional geological model, then the unfavorable geologic body three-dimensional geological model of foundation is inserted into the three-dimensional geological model of aforementioned foundation,
It obtains comprising the three-dimensional geological model including unfavorable geologic body.
The object of the invention realization is completed by following technical scheme:
A kind of fining three-dimensional geological model modeling method based on BIM technology, it is characterised in that the modeling method include with
Lower step: collecting the drilling single hole individual-layer data of modeling object, find out wherein comprising unfavorable geologic body stratum number and by its
It rejects；Initial three-dimensional geological model is established using the drilling single hole individual-layer data after rejecting unfavorable geology volume data, utilizes rejecting
Unfavorable geology volume data establish unfavorable geologic body three-dimensional geological model；The unfavorable geologic body three-dimensional geological model is embedded in institute
Model integration is stated in initial three-dimensional geological model and completed, the fining three-dimensional geological model of modeling object is obtained.
The drilling single hole individual-layer data include exploratory hole hole number, drilling plane coordinate, drilling depth, drilling kind,
Layer number, layer name, each stratum elevation data, the unfavorable geologic body be one of lenticular body, dark creek, ancient stream channel or more
Kind.
Reject the unfavorable geology volume data method particularly includes: the drilling single hole individual-layer data being collected into is organized into table
Lattice, the table include the mark on exploratory hole hole number, aperture absolute altitude, drilling depth, water level, drilling plane coordinate and each stratum
High data；If data " 0 " proportion is 20%-80% in the formation data that ground stratose is included, which is poorly
Plastid layer deletes the formation data of the ground stratose.
The specific method of the unfavorable geologic body three-dimensional geological model is established using the unfavorable geology volume data of rejecting
Are as follows: pinching mode is chosen, the plane distributing scope of the unfavorable geologic body is drawn, then adds virtual point, is selected described bad
Distribution of the geologic body on absolute altitude.
The pinching mode is upward pinching, intermediate pinching or downward pinching.
Establish initial three-dimensional geological model method particularly includes: the geology in layered distribution is established using drilling triangular prism method
Model, merging obtains the initial three-dimensional geological model after the geological model that same stratum is numbered is carried out Boolean calculation.
It is right if the depth difference of adjacent exploratory hole is more than setting value in drilling single hole individual-layer data after rejecting
Short-bore lower part uses the stratigraphic model of polishing method polishing short-bore lower part.
The polishing method is Kriging regression method or neighborhood distance inverse ratio interpolation method.
The unfavorable geologic body three-dimensional geological model is embedded in the initial three-dimensional geological model and completes model integration
Method particularly includes: the unfavorable geologic body three-dimensional geological model for completing modeling is loaded into the initial three-dimensional with race's document form
In geological model, Boolean calculation is then used, by spatial position where unfavorable geologic body in the initial three-dimensional geological model
Partial 3-D stratigraphic model removal, finally by the unfavorable geologic body three-dimensional geological model and the initial three-dimensional geological model
Complete splicing.
The invention has the advantages that the three-dimensional geological mould for establishing the modeling object including unfavorable geologic body can be effectively improved
Type shows the three-dimensional information of unfavorable geologic body, advantageously reduces construction risk.
Detailed description of the invention
Fig. 1 is the path schematic diagram that three-dimensional geological model modeling technique is refined in the present invention；
Fig. 2 is the schematic diagram of " long short-bore " drilling polishing in the present invention；
Fig. 3 is the path schematic diagram of lenticular body three-dimensional geological model modeling technique in the present invention；
Fig. 4 be the present invention in stratal pinch-outs to the spacing of wells 1/2 schematic diagram；
Fig. 5 be the present invention in stratal pinch-outs to adjacent borehole schematic diagram；
Fig. 6 is that lenticular body three-dimensional geological model uses schematic diagram on software in the present invention.
Specific embodiment
Feature of the invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, with
Convenient for the understanding of technical staff of the same trade:
Such as Fig. 1-6, marked in figure 1.-be 3. respectively as follows: stratum 1., stratum 2., stratum 3..
Embodiment: as shown in figures 1 to 6, the present embodiment is specifically related to a kind of fining three-dimensional geological mould based on BIM technology
Type modeling method, drilling single hole individual-layer data of the modeling method based on collection, the stratum on stratum where rejecting unfavorable geologic body
Number establishes more complete three-dimensional geological model, the unfavorable geologic body data of rejecting is individually then established its three-dimensional geological
Model, then the unfavorable geologic body three-dimensional geological model of foundation is inserted into the three-dimensional geological model of aforementioned foundation, included
Three-dimensional geological model including unfavorable geologic body.
As shown in figures 1 to 6, fining three-dimensional geological model modeling method packet of one of the present embodiment based on BIM technology
Include following steps:
(1) the drilling single hole individual-layer data of modeling object is collected, drilling single hole individual-layer data includes exploratory hole hole number, drilling platform
Coordinate, drilling depth, drilling kind, stratum number, layer name and each stratum elevation data etc.；Meanwhile it collecting accurate
Two-dimentional log sheet.
(2) the drilling single hole individual-layer data being collected into step (1) being organized into table, table style is as shown in table 1 below,
Elevation data including exploratory hole hole number, aperture absolute altitude, drilling depth, water level, drilling plane coordinate and each stratum；
1 stratum single hole individual-layer data table sample formula of table
| Serial number | Kong Hao | Absolute altitude | Hole depth | Water level | X-coordinate | Y-coordinate | ① | ①2 | ②1 | ··· |
| 1 | ML1 | m1 | n1 | l1 | x1 | y1 | a1 | b1 | c1 | ··· |
| 2 | ML2 | m2 | n2 | l2 | x2 | y2 | a2 | b2 | c2 | ··· |
(3) after completing data preparation, find include unfavorable geologic body stratum label, unfavorable geologic body include lenticular body,
Dark creek, ancient stream channel etc., by taking lenticular body as an example, the stratum elevation data comprising lenticular body has following rule: the ground stratose is wrapped
(in the actual operation process, this ratio can basis when ratio shared by data " 0 " is 20%-80% in the formation data contained
The experience of geotechnical engineer is adjusted in range), then this stratum can be determined as to lenticular body layer, then picked the formation data
It removes；
The unfavorable geologic bodies data characteristicses such as 2 lenticular body of table
| Serial number | Kong Hao | Absolute altitude | Hole depth | Water level | X-coordinate | Y-coordinate | ① | ①2 | ②1 | ··· |
| 1 | ML1 | m1 | n1 | l1 | x1 | y1 | a1 | b1 | 0 | ··· |
| 2 | ML2 | m2 | n2 | l2 | x2 | y2 | a2 | b2 | 0 | ··· |
| 3 | ML3 | m3 | n3 | l3 | x3 | y3 | a3 | b3 | c3 | ··· |
| 4 | ML4 | m4 | n4 | l4 | x4 | y4 | a4 | b4 | 0 | ··· |
| 5 | ML5 | m5 | n5 | l5 | x5 | y5 | a5 | b5 | 0 | ··· |
Shown in table 2 as above, because removing the hole ML3 2.1Formation data non-zero, remaining hole is 2.1Data are " 0 ", according to sentencing
The 2. set pattern then, determines1Layer is lenticular body layer, then 2. by stratum1Stratum column data delete.
(4) using drilling triangular prism method, the remaining drilling after the formation data for rejecting the unfavorable geologic bodies such as lenticular body is utilized
Single hole individual-layer data establishes the geological model in layered distribution, and the geological model that same stratum is numbered carries out after Boolean calculation
It is i.e. combinable to obtain initial three-dimensional geological model.It should be noted that the case where differing greatly for neighbouring exploration hole depth,
It is considered as " long short-bore ", the difference of even adjacent exploration hole depth is more than setting value, then it is assumed that there is " long short-bore "；It is handling
When " long short-bore " situation, the geological model of short-bore lower part is filled up using polishing method for short-bore lower part, as shown in Fig. 2, neighbouring
Have in drilling stratum 1., stratum 2. and stratum 3., 2. two stratum therein differ greatly, then need to the stratum of short-bore 2. under
Portion carries out polishing；Polishing method mainly uses interpolation algorithm, i.e., all or part of borehole datas use gram based on modeling object
In golden interpolation method or neighborhood distance inverse ratio interpolation method carry out interpolation calculation, the initial three-dimensional geological model established after polishing method
It can guarantee that bottom section stratum fluctuations are little.
(5) using unfavorable geologies volume datas such as the lenticular bodies rejected, unfavorable geologic body three-dimensional geological model is established, specific side
Method are as follows: then selection pinching mode first is drawn the unfavorable geologic bodies such as lenticular body in the distribution of plan-position, then added
Virtual point finally selects sample segments, the i.e. distribution of the unfavorable geologic bodies on absolute altitude such as selection lenticular body.Wherein, pinching is
The common phenomenon in stratum can choose 1/2 or directly pinching of stratal pinch-outs to the spacing of wells to adjacent borehole；Pinching mode point
For upward pinching, intermediate pinching and downward pinching, which kind of pinching mode, the concrete condition depending on the stratum are specifically used；Such as
Fig. 4 shows upward pinching to the 1/2 of adjacent borehole spacing, 3. central hollow Delta Region is filled by stratum, if it is
Downward pinching is to the 1/2 of adjacent borehole spacing, then 1. central hollow Delta Region is filled by stratum；As shown in figure 5, what it showed
It is direct pinching to adjacent borehole.
(6) the unfavorable geologic body three-dimensional geological model of modeling being completed in step (5), step (4) are loaded into race's document form
In the initial three-dimensional geological model of middle foundation, since the two models are based on the same coordinate system, the space bit of the two
Set complete correspondence；Boolean calculation is finally used again, it will be empty where the unfavorable geologic bodies such as lenticular body in initial three-dimensional geological model
Between position partial 3-D geological model removal, then by the unfavorable geologic bodies such as lenticular body three-dimensional geological model and initial three-dimensional
Geological model completes splicing.
(7) after completing model splicing, by cutting, two-dimentional geology cutting plane is can be obtained in the three-dimensional geological model, by itself and step
Suddenly the two-dimentional log sheet collected in (1) compares check, is finally completed the creation of fining three-dimensional geological model.
As shown in fig. 6, the present embodiment further by metro station in Shanghai three-dimensional geological model modeling for, further explain
State this modeling method.
(1) it acquires first and arranges drilling single hole individual-layer data, result is as shown in table 3 below:
(2) according to lenticular body judgment rule, stratum is 3., the stratum ratio that 5. digital " 0 " occurs in 3 this two column is in 20%-80%
(in the actual operation process, this ratio can be adjusted in range according to the experience of geotechnical engineer) assert that it is
Lenticular body layer, is rejected；
(3) initial three-dimensional geological model is established using borehole data remaining after rejecting, then according to the lens volume data of rejecting
Establish lenticular body three-dimensional geological model, detailed process are as follows: select the form of upward pinching first, then draw lenticular body plane institute
In bounds, virtual point is then added, sample segments is finally selected, that is, lenticular body three-dimensional geological model is produced, such as Fig. 6 institute
Show；
(4) finally, lenticular body three-dimensional geological model and initial three-dimensional geological model are completed to splice.
The beneficial effect of the present embodiment is: can efficiently improve the three-dimensional for establishing the modeling object including unfavorable geologic body
Geological model, the accurate three-dimensional information for showing unfavorable geologic body, advantageously reduces construction risk.
Claims (9)
1. a kind of fining three-dimensional geological model modeling method based on BIM technology, it is characterised in that the modeling method includes
Following steps: collecting the drilling single hole individual-layer data of modeling object, find out wherein comprising unfavorable geologic body stratum number and incite somebody to action
It is rejected；Initial three-dimensional geological model is established using the drilling single hole individual-layer data after unfavorable geology volume data is rejected, using picking
The unfavorable geology volume data removed establishes unfavorable geologic body three-dimensional geological model；The unfavorable geologic body three-dimensional geological model is embedded in
In the initial three-dimensional geological model and model integration is completed, obtains the fining three-dimensional geological model of modeling object.
2. a kind of fining three-dimensional geological model modeling method based on BIM technology according to claim 1, feature exist
In the drilling single hole individual-layer data include exploratory hole hole number, drilling plane coordinate, drilling depth, drilling kind, stratum number,
Ground layer name, each stratum elevation data, the unfavorable geologic body are one of lenticular body, dark creek, ancient stream channel or a variety of.
3. a kind of fining three-dimensional geological model modeling method based on BIM technology according to claim 1, feature exist
In the rejecting unfavorable geology volume data method particularly includes: the drilling single hole individual-layer data being collected into is organized into table, institute
State the absolute altitude number that table includes exploratory hole hole number, aperture absolute altitude, drilling depth, water level, drilling plane coordinate and each stratum
According to；If data " 0 " proportion is 20%-80% in the formation data that ground stratose is included, which is unfavorable geologic body
Layer deletes the formation data of the ground stratose.
4. a kind of fining three-dimensional geological model modeling method based on BIM technology according to claim 1, feature exist
In establishing the unfavorable geologic body three-dimensional geological model using the unfavorable geology volume data of rejecting method particularly includes: choose
Pinching mode draws the plane distributing scope of the unfavorable geologic body, then adds virtual point, and the unfavorable geologic body is selected to exist
Distribution on absolute altitude.
5. a kind of fining three-dimensional geological model modeling method based on BIM technology according to claim 4, feature exist
In the pinching mode be upward pinching, intermediate pinching or downward pinching.
6. a kind of fining three-dimensional geological model modeling method based on BIM technology according to claim 1, feature exist
In establishing initial three-dimensional geological model method particularly includes: established using drilling triangular prism method be in layered distribution geological model,
Merging obtains the initial three-dimensional geological model after the geological model that same stratum is numbered is carried out Boolean calculation.
7. a kind of fining three-dimensional geological model modeling method based on BIM technology according to claim 1, feature exist
In the drilling single hole individual-layer data after rejecting, if the depth difference of adjacent exploratory hole is more than setting value, under short-bore
Portion uses the stratigraphic model of polishing method polishing short-bore lower part.
8. a kind of fining three-dimensional geological model modeling method based on BIM technology according to claim 7, feature exist
In the polishing method be Kriging regression method or neighborhood distance inverse ratio interpolation method.
9. a kind of fining three-dimensional geological model modeling method based on BIM technology according to claim 1, feature exist
In the specific side that the unfavorable geologic body three-dimensional geological model is embedded in completion model integration in the initial three-dimensional geological model
Method are as follows: the unfavorable geologic body three-dimensional geological model for completing modeling is loaded into the initial three-dimensional geological mould with race's document form
In type, Boolean calculation is then used, by the part of spatial position where unfavorable geologic body in the initial three-dimensional geological model
The unfavorable geologic body three-dimensional geological model and the initial three-dimensional geological model finally are completed to spell by three dimension strata model removal
It connects.
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| CN113486429A (en) * | 2021-07-12 | 2021-10-08 | 南昌大学 | Automatic construction method of space intersection structure based on interpolation algorithm |
| CN116562656A (en) * | 2023-07-07 | 2023-08-08 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Tunnel construction geological disaster early warning and prevention and control intelligent decision method and auxiliary platform |
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