CN110244379B - Joint geological survey information processing method - Google Patents
Joint geological survey information processing method Download PDFInfo
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- CN110244379B CN110244379B CN201910466156.1A CN201910466156A CN110244379B CN 110244379 B CN110244379 B CN 110244379B CN 201910466156 A CN201910466156 A CN 201910466156A CN 110244379 B CN110244379 B CN 110244379B
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- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
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Abstract
The invention belongs to the technical field of geological mapping and discloses a joint geological survey information processing method; the round outcrop adopts two cross-shaped vertical intersecting measuring lines, the joint orientation is determined by the positions of two end points of the round outcrop, and the size effect analysis is facilitated in the later period and the statistics of joint trace length and surface density are carried out by using a round sampling window method; the rectangular outcrop adopts two L-shaped vertical intersecting measuring lines, the joint orientation is determined by the positions of two end points of the L-shaped outcrop, and the joint trace length and the surface density are counted by using a circular sampling window method and size effect analysis in the later period; for outcrops with other shapes, the length and the surface density of the joint are statistically calculated by adopting a circular sampling window method and a rectangular sampling window method according to the form of the outcrops and the principle of minimizing the measurement error. The invention selects the shape of the sampling window according to the outcrop shape, reduces the truncation or truncation length error caused by sampling as much as possible, and statistically joints the complete shape on the outcrop surface as much as possible.
Description
Technical Field
The invention belongs to the technical field of geological mapping, and particularly relates to a joint geological survey information processing method.
Background
Currently, the current state of the art commonly used in the industry is such that: conventionally, a line measurement method and a sampling window method are adopted for joint geological survey, but sampling deviation is brought. The wire-measuring method mainly has size deviation, namely the longer the length of the structural trace is, the higher the probability of being sampled is, and the shorter the length of the structural trace is, the lower the probability of being sampled is. The sampling window method has truncation deviation and truncation length deviation caused by the fact that the window shape cannot be identical to the outcrop shape. For example, for a large outcrop, a structure smaller than a certain length is neglected to cause a truncation error; due to the sampling window size limitation, the length truncation error caused by omitting the part outside the window for the long structural surface is omitted.
The field outcrop development shapes are various, and a certain statistical error is easily caused only by adopting a line measurement method or a sampling window method with a single shape.
In summary, the problems of the prior art are as follows: conventionally, a line measurement method and a sampling window method are adopted for joint geological survey, but sampling deviation is brought.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a joint geological survey information processing method.
The invention is realized in such a way, the joint geological survey information processing method adopts two cross-shaped vertical intersecting measuring lines to position and survey joints for a round outcrop according to the outcrop shape; the rectangular outcrop is positioned and investigated by adopting two L-shaped vertical intersecting measuring lines; for outcrops of other shapes, rectangular and circular sampling windows are chosen according to the shape of the boundary to ensure that the measurement error is minimized.
Further, the processing method of the circular outcrop comprises the following steps:
the method comprises the following steps: determining a circular sampling window according to the outcrop shape;
step two: circular sampling window: two cross-shaped vertically intersected lateral lines are adopted;
step three: programming a joint geometric characteristic statistical calculation formula according to a circular sampling window method;
step four: and (5) carrying out statistical analysis on the length and the density of joints on the outcrop surface.
Further, the rectangular outcrop processing method
The method comprises the following steps: determining a rectangular sampling window according to the outcrop shape;
step two: rectangular sampling window: adopting two L-shaped vertical intersecting measuring lines;
step three: programming a joint geometric characteristic statistical calculation formula according to a rectangular sampling window method;
step four: and (5) carrying out statistical analysis on the length and the density of joints on the outcrop surface.
Further, a calculation program is compiled according to the principle of a circular or rectangular window method, data measured in the field by the circular or rectangular window method are read, and then a joint trace diagram is generated; the program adjusts the position, number and radius of the round or rectangular sampling window according to the condition of the measured data, and judges and records the number of the traces of various end point types at the same time, and calculates the average trace length of the joint and the surface density of the midpoint of the trace.
Furthermore, the round outcrop adopts two cross-shaped vertical intersecting measuring lines, and the joint direction is determined by the positions of two end points of the joint.
Furthermore, the rectangular outcrop adopts two L-shaped vertical intersecting measuring lines, and the joint orientation is determined by the positions of two end points of the joint.
Further, for outcrop with other shapes, the length and the surface density of the trace are statistically calculated by adopting a circular sampling window method and a rectangular sampling window method according to the principle that the measurement error is minimized according to the form.
In summary, the advantages and positive effects of the invention are:
the round outcrop adopts two cross-shaped vertical intersecting measuring lines, the joint orientation is determined by the positions of two end points of the round outcrop, and the size effect analysis is facilitated in the later period and the statistics of joint trace length and surface density are carried out by using a round sampling window method; the rectangular outcrop adopts two L-shaped vertical intersecting measuring lines, the joint orientation is determined by the positions of two end points of the L-shaped outcrop, and the joint trace length and the surface density are counted by using a circular sampling window method and size effect analysis in the later period; for outcrops with other shapes, the length and the surface density of the joint are statistically calculated by adopting a circular sampling window method and a rectangular sampling window method according to the form of the outcrops and the principle of minimizing the measurement error.
The invention selects the shape of the sampling window according to the outcrop shape, reduces the truncation or truncation length error caused by sampling as much as possible, and statistically joints the complete shape on the outcrop surface as much as possible.
The invention provides subsidies for a high-level talent scientific research starting project (950318066) of Chongqing industry and commerce university and a subsidy topic (Z017010) of key laboratories of geotechnical mechanics and engineering countries.
Drawings
Fig. 1 is a flowchart of a joint geological survey information processing method according to an embodiment of the present invention.
Fig. 2 is a flowchart of a circular outcrop processing method according to an embodiment of the present invention.
Fig. 3 is a flowchart of a rectangular outcrop processing method according to an embodiment of the present invention.
Fig. 4 is a flowchart of an implementation of a joint geological survey information processing method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
As shown in fig. 1, the joint geological survey information processing method provided by the embodiment of the present invention includes the following steps:
s101: according to the shape of the outcrop, two cross-shaped vertical intersecting measuring lines are adopted for the circular outcrop to position and investigate the joint;
s102: the rectangular outcrop is positioned and investigated by adopting two L-shaped vertical intersecting measuring lines;
s103: for outcrops of other shapes, rectangular and circular sampling windows are chosen according to the shape of the boundary to ensure that the measurement error is minimized.
As shown in fig. 2, the method for processing a circular outcrop provided by the embodiment of the present invention includes the following steps:
s201: determining a circular sampling window according to the outcrop shape;
s202: circular sampling window: two cross-shaped vertically intersected lateral lines are adopted;
s203: programming a joint geometric characteristic statistical calculation formula according to a circular sampling window method;
s204: and (5) carrying out statistical analysis on the length and the density of joints on the outcrop surface.
As shown in fig. 3, the method for processing a rectangular outcrop provided by the embodiment of the present invention includes the following steps:
s301: determining a rectangular sampling window according to the outcrop shape;
s302: rectangular sampling window: adopting two L-shaped vertical intersecting measuring lines;
s303: programming a joint geometric characteristic statistical calculation formula according to a rectangular sampling window method;
s304: and (5) carrying out statistical analysis on the length and the density of joints on the outcrop surface.
And (3) compiling a calculation program according to the principle of a circular or rectangular window method, reading data measured in the field by the circular or rectangular window method, and then generating a joint trace diagram. The program can adjust the position, number and radius of the round or rectangular sampling window according to the condition of the measured data, judge and record the number of the traces of various end points, and calculate the average trace length of the joint and the area density of the midpoint of the trace.
In the embodiment of the invention, the circular outcrop adopts two cross-shaped vertical intersecting measuring lines, and the joint direction is determined by the positions of two end points of the circular outcrop.
In the embodiment of the invention, the rectangular outcrop adopts two L-shaped vertical intersecting measuring lines, and the joint orientation is determined by the positions of two end points of the L-shaped vertical intersecting measuring lines.
In the embodiment of the invention, for outcrops with other shapes, the length and the surface density of the joint are statistically calculated by adopting a circular sampling window method and a rectangular sampling window method according to the principle of minimizing the measurement error according to the shape.
The circular outcrop adopts two cross-shaped vertical intersecting measuring lines, the joint orientation is determined by the positions of two end points, and the joint length and the surface density statistics are carried out by the aid of size effect analysis and a circular sampling window method in the later period.
The rectangular outcrop adopts two L-shaped vertical intersecting measuring lines, the joint orientation is determined by the positions of two end points of the L-shaped outcrop, and the joint trace length and the surface density are counted by using a circular sampling window method and size effect analysis in the later period.
For outcrops with other shapes, the length and the surface density of the joint are statistically calculated by adopting a circular sampling window method and a rectangular sampling window method according to the form of the outcrops and the principle of minimizing the measurement error.
The invention selects the shape of the sampling window according to the outcrop shape, reduces the truncation or truncation length error caused by sampling as much as possible, and statistically joints the complete shape on the outcrop surface as much as possible.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A joint geological survey information processing method is characterized in that according to the shape of an outcrop, a round outcrop is positioned and surveyed by adopting two cross-shaped vertical intersecting measuring lines; the rectangular outcrop is positioned and investigated by adopting two L-shaped vertical intersecting measuring lines; for outcrops with other shapes, selecting a rectangular or circular sampling window by utilizing measurement error minimization according to the shape of the boundary;
the treatment method of the circular outcrop comprises the following steps:
the method comprises the following steps: determining a circular sampling window according to the outcrop shape;
step two: circular sampling window: adopting two cross-shaped vertical intersecting measuring lines;
step three: programming a joint geometric characteristic statistical calculation formula according to a circular sampling window method;
step four: and (5) carrying out statistical analysis on the length and the density of joints on the outcrop surface.
2. The method for processing joint geological survey information according to claim 1, wherein the method for processing rectangular outcrop specifically comprises:
the method comprises the following steps: determining a rectangular sampling window according to the outcrop shape;
step two: rectangular sampling window: adopting two L-shaped vertical intersecting measuring lines;
step three: programming a joint geometric characteristic statistical calculation formula according to a rectangular sampling window method;
step four: and (5) carrying out statistical analysis on the length and the density of joints on the outcrop surface.
3. The joint geological survey information processing method according to claim 1, wherein the round outcrop processing method is used for programming a calculation program according to the principle of a round or rectangular window method, reading data measured in the field by the round or rectangular window method, and then generating a joint trace diagram; the program adjusts the position, number and radius of the round or rectangular sampling window according to the condition of the measured data, and judges and records the number of the traces of various end point types at the same time, and calculates the average trace length of the joint and the surface density of the midpoint of the trace.
4. The joint geological survey information processing method according to claim 1, wherein the circular outcrop adopts two cross-shaped perpendicular intersecting measuring lines, and the joint orientation is determined depending on the positions of two end points thereof.
5. The joint geological survey information processing method according to claim 1, wherein the rectangular outcrop adopts two perpendicular intersecting measuring lines in an L shape, and the joint orientation is determined depending on the positions of two end points thereof.
6. The joint geological survey information processing method according to claim 1, wherein for outcrops of other shapes, the joint length and the areal density are statistically calculated by using a circular and rectangular sampling window method on the basis of the form with the measurement error minimized.
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