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Detection method of spatial distribution of active fault shallow surface layer based on ground penetrating radar

A technology of ground penetrating radar and spatial distribution, which is applied in the field of geological exploration and can solve the problems of surface impact, low detection accuracy, and low collection efficiency.

Active Publication Date: 2020-09-25
HENAN INST OF ENG
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Problems solved by technology

[0005] Aiming at the technical problems of low acquisition efficiency, low detection accuracy, and great impact on the surface of the existing active fault shallow space structure detection method, the present invention proposes a ground-penetrating radar-based active fault shallow surface spatial distribution detection method

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  • Detection method of spatial distribution of active fault shallow surface layer based on ground penetrating radar
  • Detection method of spatial distribution of active fault shallow surface layer based on ground penetrating radar
  • Detection method of spatial distribution of active fault shallow surface layer based on ground penetrating radar

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0049] like figure 1 As shown, a ground-penetrating radar-based method for detecting the spatial distribution of active faults in the shallow surface layer, the steps are as follows:

[0050] Step 1: Preliminary selection of areas where active faults pass through: According to the superposition data of high-resolution remote sensing images and global digital elevation model data, through the linear marks and vertical shift marks of active faults on remote se...

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Abstract

The invention relates to a ground-penetrating radar-based method for detecting the spatial distribution of active fault shallow surface layers, which belongs to the field of geological survey and mainly includes the following steps: preliminary selection of the area where active faults pass; ground-penetrating radar survey line layout and on-site data acquisition method; The processing method of ground radar image and the extraction and recognition method of image abnormal area; the method of three-dimensional reconstruction and slice analysis of ground penetrating radar image. The present invention overcomes the disadvantages of low data acquisition efficiency, poor resolution, and damage to the surface environment of existing methods for detecting active fault shallow space structures, such as trenches, electrical instruments, and magnetic instruments, and can continuously realize large-scale and continuous monitoring of activities in complex environments. The fracture detection method is simple to realize, the detection efficiency and precision are high, and the result is intuitive.

Description

[0001] technology neighborhood [0002] The invention relates to the technical field of geological survey, in particular to a ground-penetrating radar-based method for detecting the spatial distribution of active fracture shallow surface layers. Background technique [0003] The area where the active fault zone passes is basically in the differential activity zone where the modern crustal movement is unstable, and it is easy to develop a variety of geological disasters, such as earthquakes, landslides, mud-rock flows, etc., which will directly endanger people's lives and property, as well as the safety of urban construction and major projects. The fault occurrence process represents the process of an earthquake from seismogenesis to earthquake generation. The recorded seismic data in the world show that strong earthquakes above magnitude 7.0 basically occur on large-scale active fault zones. Research in this area is very important, not only can we fully understand the characte...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S13/88G01S13/89G01S7/41G01V3/12G06K9/00G06T7/00
CPCG06T7/0002G01S7/41G01S13/885G01S13/89G01V3/12G06T2207/10044G06V20/13
Inventor 张迪刘绍堂王果蒋瑞波
Owner HENAN INST OF ENG
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