Comprehensive interpretation method for geological structure surface form based on multiple outcrops

A technology of geological structure and structural plane, applied in image data processing, 3D modeling, instruments, etc., can solve the problems of lack of working methods of interpretation technology and unutilized outcrops, so as to achieve simple and effective working principle and improve usability. and engineering value, the effect of easy to grasp interpretation methods

Active Publication Date: 2018-10-23
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD +3
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Due to the lack of effective working methods in the existing interpretation technology, the final result is that a large number of outcrops have not been utilized. Determining the spatial form of structural planes is still a technical difficulty in rock mass engineering geological analysis

Method used

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  • Comprehensive interpretation method for geological structure surface form based on multiple outcrops
  • Comprehensive interpretation method for geological structure surface form based on multiple outcrops
  • Comprehensive interpretation method for geological structure surface form based on multiple outcrops

Examples

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Embodiment

[0064] A water conservancy and hydropower project in western China, the survey results in the feasibility study stage revealed that the various types of filling structural surfaces exposed by drilling and adit at different parts of the dam site area can be divided into five dominant groups according to their occurrence, as follows: Figure 5 shown. The structural surface outcrops that cannot be judged in relation to each other when cataloging boreholes and adit, shall be named using "local number" in a single hole / cave. The powerhouse area is located on the right bank of the middle dam site, and the structural planes are relatively developed, which has potential impact on the deformation and failure modes of the powerhouse rock mass. Therefore, the research work needs to obtain the structural plane geological model of the powerhouse area to provide a model basis for engineering geological analysis and design applications.

[0065] This requirement of real work requires that wh...

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Abstract

The invention discloses a comprehensive interpretation method for a geological structure surface form based on multiple outcrops. The method consists of five parts of establishment of a database, grouping of dominances, comparison of spatial relations, comparison of geological attributes and output of a result. The method comprises the steps of making an inquiry statistic in original exploration data according to basic engineering conditions and geological conditions to obtain a structure surface outcrop sample of a target rock mass part, and further obtaining dominance structure surface groups according to an outcrop occurrence by use of a polar iso-density map technology; performing spatial association searching on the specified structure surface outcrop sample according to an input occurrence deviation constraint parameter in the specified dominance group to obtain the rest of outcrop samples having position and occurrence association conditions with the specified structure surfaceoutcrop sample; and further screening and removing the outcrop samples according to structure surface properties to obtain all target samples with identical spatial positions, occurrences and geological attributes. Therefore, analysis and interpretation for a spatial form of a certain deterministic growth structure surface are implemented.

Description

technical field [0001] The invention relates to a method for comprehensively interpreting the shape of a geological structure surface based on multiple outcrops, and belongs to the field of engineering investigation of rock mass engineering industries such as hydropower and water conservancy, mining, and construction engineering. Based on geological indicators such as structural type, geometric characteristics (occurrence, spatial position), structural surface characteristics and other geological indicators for geological structural surface outcrops collected by geological drilling and adit catalogues, effective analysis techniques are used to interpret different outcrops. The correlation properties of structural surface outcrops in three-dimensional space provide a basis for the construction of deterministic geological structural surface network models and related geological analysis. Background technique [0002] Geological structural plane is one of the basic components o...

Claims

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Application Information

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IPC IPC(8): G06T17/05
CPCG06T17/05
Inventor 吴述彧朱焕春王晓朋肖万春李鹏飞朱永生肖海斌卢吉赵富刚胡大儒赵代尧
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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