CN107194966A - A kind of discrimination method of two-dimentional geological section geological boundary and its attribute information - Google Patents
A kind of discrimination method of two-dimentional geological section geological boundary and its attribute information Download PDFInfo
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- CN107194966A CN107194966A CN201710347836.2A CN201710347836A CN107194966A CN 107194966 A CN107194966 A CN 107194966A CN 201710347836 A CN201710347836 A CN 201710347836A CN 107194966 A CN107194966 A CN 107194966A
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Abstract
The invention discloses a kind of discrimination method of two-dimentional geological section geological boundary and its attribute information, it is related to geological research method and technology field, it is characterised in that：Comprise the following steps：Step 101, basic data prepare；Step 102, geological information standardization；Step 103, geological boundary are extracted：Step 104, Coordinate Conversion；Step 105, attribute information identification；Step 106, normal data output；By using above-mentioned technical proposal, the present invention is based on conventional Two-dimensional Engineering geologic information, the geological boundary in engineering geology sectional drawing is extracted, the geological information in engineering geology backup library is compared, by comparing attribute of the straightway slope of closely node layer than determining geological boundary；The present invention has following features：Man-machine interactive operation, controllability is strong, and efficiency high meets large-scale application demand, and solid foundation has been established to build three-dimensional geological modeling and its production application.
Description
Technical field
The present invention relates to geological research method and technology field, more particularly to a kind of two-dimentional geological section geological boundary and
The discrimination method of its attribute information.
Background technology
Three-dimensional geological modeling is to use computer technology, and under three-dimensional environment, geological information is combined with visualization tool,
Technology for geological research.
Complexity, the limitation of the degree of awareness due to engineering geological condition, cause the method and skill of three-dimensional geological modeling
Art is still immature.Existing three-dimensional geological modeling method is that based on Two-dimensional Engineering geologic information, such as two-dimentional geology is broken mostly
Face etc., extracts geological boundary and its attribute information, further deduces calculating and forms geological interface, and finally builds three-dimensional geological mould
Type.And geological boundary is the synthetic determinations such as geomatics engineer combination drill hole information and Regional Geological Conditions in two-dimentional geological section
, the geological boundary data of incidentally accurate geology attribute information are had no in traditional database, need to manually be carried during three-dimensional geological modeling
Geological boundary and its attribute information are taken, workload is big and efficiency is low.I.e. there is following defect in conventional art：Three-dimensional geological modeling mistake
Cheng Zhong, need to make full use of existing Two-dimensional Engineering geologic information, and incidentally accurate geology attribute information is had no in traditional database
Geological boundary data, by manually extract in Two-dimensional Engineering geologic information geological boundary and its geological property information work amount it is big and
Efficiency is low,
The content of the invention
The technical problem to be solved in the present invention is：A kind of two-dimentional geological section geological boundary and its attribute information are provided
Discrimination method.Man-machine interactive operation can be met, controllability is strong, and efficiency is higher, meets the demand of large-scale application.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
A kind of discrimination method of two-dimentional geological section geological boundary and its attribute information, at least includes：
Step 101, basic data prepare；
Specially：Collect engineering geological data；Above-mentioned engineering geological data includes engineering geology data backup storehouse, engineering
Matter sectional drawing, engineering geology block diagram, engineering geology report；
Step 102, geological information standardization；
Specially：Define the attribute information of strata division node；At the upper side of the strata division node of this in geotechnical boring
Geological information is the attribute information of the strata division node；
Survey data in engineering geology data backup storehouse is arranged in the following order：Drilling numbering, drilling orifice coordinate,
Stratum level number, strata division node coordinate and attribute information；
Step 103, geological boundary are extracted：
Specially：Stratigraphic boundary in engineering geology sectional drawing is extracted, the numbering of stratigraphic boundary, ground stratum boundary is recorded
Number of nodes, coordinate and order on line；
Step 104, Coordinate Conversion；
Specially：A) drilling orifice coordinate and the ground of standardization that drilling numbering is set up in engineering geology sectional drawing, are compared
The one-to-one relationship of aperture coordinate in matter information；
B), node coordinate on stratigraphic boundary is converted to the seat in the geological information of standardization by above-mentioned corresponding relation
Mark；
Step 105, attribute information identification；
Specially：Define the attribute information of geological boundary：The formation information of the upper side of geological boundary is geology circle
The attribute information of line；
A), for i-th of strata division node in the geological information of standardization, search for all geological boundary starting point S with
Terminal E, finds out the geological boundary that S or E are overlapped with i coordinates；
B), judge that the geological boundary for meeting a) condition is located at the left side or right side of node, statistics is located at a node left side respectively
Side or geological boundary the quantity m or n on right side；
C), for the geological boundary on the left of strata division node：
Assuming that stratum hierarchical node is C, known to attribute；
If m=1, directly the geological boundary is assigned by the attribute information of the node；
If m>1, compare geological boundary close to the slope ratio (CK, CB) of node C one section of straight line, direction is to be referred to by ground node layer
To the left, take slope than the geological boundary (CKA) where maximum straight line (CK), assign node C attribute information；
D) it is directed to the geological boundary being located on the right side of node：
Assuming that stratum hierarchical node is O, known to attribute；
If n=1, directly the geological boundary is assigned by the attribute information of the node；
If n>1, compare geological boundary close to the slope ratio (OP, OS) of node O one section of straight line, direction is to be referred to by ground node layer
To the right, take slope than the geological boundary (OP) where maximum straight line (OP), assign node O attribute information；
Step 106, normal data output；
Specially：Geological boundary with attribute information is exported according to certain form, as three-dimensional geological modeling base
Plinth data.
The present invention has the advantages and positive effects of：
By using above-mentioned technical proposal, the present invention need to manually extract Two-dimensional Engineering geology money when being directed to three-dimensional geological modeling
Geological boundary and its problem of geological property information in material, it is proposed that one kind can be exactly by two-dimentional geological section geology circle
Line and its method for attribute information automation identification, man-machine interactive operation, controllability are strong, and efficiency high meets large-scale application need
Ask, solid foundation has been established to build three-dimensional geological modeling and its production application.
Brief description of the drawings：
Fig. 1 is the flow chart of the preferred embodiment of the present invention.
Fig. 2 is to be located at the geological boundary schematic diagram on the left of strata division node in the preferred embodiment of the present invention；
Fig. 3 is to be located at the geological boundary schematic diagram on the right side of strata division node in the preferred embodiment of the present invention；
Description of symbols in figure：
A、B、C、O、P、Q：Strata division node；
CKA、CB、OP、OSQ：Geological boundary.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating embodiment, and coordinate accompanying drawing detailed
It is described as follows：
Refer to Fig. 1 to Fig. 3, a kind of discrimination method of two-dimentional geological section geological boundary and its attribute information, with normal
Advise based on Two-dimensional Engineering geologic information, extract the geological boundary in engineering geology sectional drawing, compare in engineering geology backup library
Geological information, by comparing the attribute of the straightway slope of closely node layer than determining geological boundary；Comprise the following steps：
S1：Basic data prepares；
Engineering geological data：Mainly include engineering geology data backup storehouse, engineering geology sectional drawing (CAD forms), engineering
Geologic column, engineering geology report etc..
S2：Geological information is standardized
Survey data in engineering geology data backup storehouse is arranged in the following order：Drilling numbering, drilling orifice coordinate
(x, y, z), stratum level number (i.e. strata division node), strata division node coordinate (x, y, z) and attribute information (ground title,
Geologic age, geologic origin, rate of decay, the geological information such as bearing capacity).
S3：Geological boundary is extracted
Stratigraphic boundary in engineering geology sectional drawing is extracted, records and is saved on the numbering of stratigraphic boundary, stratigraphic boundary
Point quantity, coordinate (α, β) and order；
S4：Coordinate Conversion
A) compare the drilling orifice coordinate set up in engineering geology sectional drawing (CAD diagram) of drilling numbering with standardize it is basic
The one-to-one relationship of aperture coordinate in geological information, i.e. α and (x, y), β and z corresponding relation；
B) node coordinate on stratigraphic boundary is converted to the coordinate in the geological information of standardization by above-mentioned corresponding relation；
S5：Attribute information is recognized
A) for i-th of strata division node in the geological information of standardization, all geological boundary starting point S and end are searched for
Point E, finds out the geological boundary that S or E are overlapped with i coordinates,
B) judge that the geological boundary for meeting a) condition is located at the left side or right side of node, statistics is located on the left of node respectively
Or geological boundary the quantity m or n on right side；
C) it is directed to the geological boundary being located on the left of strata division node：
Assuming that stratum hierarchical node is C, known to attribute.
If m=1, directly the geological boundary is assigned by the attribute information of the node；
If m>1, compare geological boundary close to the slope ratio (CK, CB) of node C one section of straight line, direction is to be referred to by ground node layer
To the left, take slope than the geological boundary (CKA) where maximum straight line (CK), node C attribute information is assigned, such as Fig. 2 institutes
Show；
Illustrate：
It is known：C point coordinates is (α 1, β 1), K point coordinates (α 2, β 2), B point coordinates (α 3, β 3)
Then：CK slopes are than KCK=(β 2- β 1)/(| α 2- α 1 |)
CB slopes are than KCB=(β 3- β 1)/(| α 3- α 1 |)
KCK>KCB, therefore assign geological boundary CKA by node C attribute information.
D) it is directed to the geological boundary being located on the right side of node：
Assuming that stratum hierarchical node is O, known to attribute.
If n=1, directly the geological boundary is assigned by the attribute information of the node；
If n>1, compare geological boundary close to the slope ratio (OP, OS) of node O one section of straight line, direction is to be referred to by ground node layer
To the right, take slope than the geological boundary (OP) where maximum straight line (OP), node O attribute information is assigned, such as Fig. 3 institutes
Show；
Illustrate：
It is known：O point coordinates is (α 4, β 4), P point coordinates (α 5, β 5), S point coordinates (α 6, β 6)
Then：OP slopes are than KOP=(β 5- β 4)/(| α 5- α 4 |)
OS slopes are than KOS=(β 6- β 4)/(| α 6- α 4 |)
KOP>KOS, therefore assign geological boundary OP by node O attribute information.
Note：Compare size by mathematical way herein, when slope ratio is negative, absolute value is smaller, and slope is than bigger.
E) all strata division nodes are circulated, the identification of stratigraphic boundary attribute information is completed.
S6：Normal data is exported；
Geological boundary with attribute information is exported according to certain form, as three-dimensional geological modeling basic data,
As in the following order：Geological boundary sequence number, node coordinate (x, y, z), stratum level number (i.e. strata division node), attribute information
(ground title, geologic age, geologic origin, rate of decay, the geological information such as bearing capacity).
Embodiments of the invention are described in detail above, but the content is only presently preferred embodiments of the present invention,
It is not to be regarded as the practical range for limiting the present invention.Any changes and modifications in accordance with the scope of the present application,
Within the patent covering scope that the present invention all should still be belonged to.
Claims (1)
1. the discrimination method of a kind of two-dimentional geological section geological boundary and its attribute information, it is characterised in that：Including following step
Suddenly：
Step 101, basic data prepare；
Specially：Collect engineering geological data；Above-mentioned engineering geological data includes engineering geology data backup storehouse, engineering geology and broken
Face figure, engineering geology block diagram, engineering geology report；
Step 102, geological information standardization；
Specially：Define the attribute information of strata division node；Geology at the upper side of the strata division node of this in geotechnical boring
Information is the attribute information of the strata division node；
Survey data in engineering geology data backup storehouse is arranged in the following order：Drilling numbering, drilling orifice coordinate, stratum
Level number, strata division node coordinate and attribute information；
Step 103, geological boundary are extracted：
Specially：Stratigraphic boundary in engineering geology sectional drawing is extracted, recorded on the numbering of stratigraphic boundary, stratigraphic boundary
Number of nodes, coordinate and order；
Step 104, Coordinate Conversion；
Specially：A) geology for, comparing the drilling numbering drilling orifice coordinate set up in engineering geology sectional drawing and standardizing is believed
The one-to-one relationship of aperture coordinate in breath；
B), node coordinate on stratigraphic boundary is converted to the coordinate in the geological information of standardization by above-mentioned corresponding relation；
Step 105, attribute information identification；
Specially：Define the attribute information of geological boundary：The formation information of the upper side of geological boundary is the geological boundary
Attribute information；
A), for i-th of strata division node in the geological information of standardization, all geological boundary starting point S and terminal are searched for
E, finds out the geological boundary that S or E are overlapped with i coordinates；
B), judge meet a) condition geological boundary be located at node left side or right side, respectively statistics be located at node on the left of or
Geological boundary quantity m or n on the right side of person；
C), for the geological boundary on the left of strata division node：
Assuming that stratum hierarchical node is C, known to attribute；
If m=1, directly the geological boundary is assigned by the attribute information of the node；
If m>1, compare geological boundary close to the slope ratio (CK, CB) of node C one section of straight line, direction is to point to a left side by ground node layer
Side, takes slope than the geological boundary (CKA) where maximum straight line (CK), assigns node C attribute information；
D) it is directed to the geological boundary being located on the right side of node：
Assuming that stratum hierarchical node is O, known to attribute；
If n=1, directly the geological boundary is assigned by the attribute information of the node；
If n>1, compare geological boundary close to the slope ratio (OP, OS) of node O one section of straight line, direction is to point to the right side by ground node layer
Side, takes slope than the geological boundary (OP) where maximum straight line (OP), assigns node O attribute information；
Step 106, normal data output；
Specially：Geological boundary with attribute information is exported according to certain form, as the basic number of three-dimensional geological modeling
According to.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108109203A (en) * | 2017-11-14 | 2018-06-01 | 中国市政工程中南设计研究总院有限公司 | Based on the geological boundary cloud data extracting method and system under BIM environment |
| CN109885936A (en) * | 2019-02-22 | 2019-06-14 | 中国铁路设计集团有限公司 | It is a kind of two dimension geological section in geological boundary tracking discrimination method and system |
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| CN109885936B (en) * | 2019-02-22 | 2023-07-14 | 中国铁路设计集团有限公司 | Tracking and identifying method and system for geological boundary in two-dimensional geological section diagram |
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