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Rock fracture detection method under in-situ real-time pressurization of earth-rock mixture

A soil-rock mixture, detection method technology, applied in image data processing, image enhancement, instruments and other directions, can solve problems such as soil-rock mixture damage

Pending Publication Date: 2020-10-09
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0005] The method of obtaining the mesoscopic structure of the soil-rock mixture in the prior art only achieves the separation of the soil and the stone, but in the soil-rock mixture, the changing volume of micro-cracks at the bonding surface between the soil and the stone and size distribution, have a huge effect on the destruction of soil-rock mixture

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  • Rock fracture detection method under in-situ real-time pressurization of earth-rock mixture
  • Rock fracture detection method under in-situ real-time pressurization of earth-rock mixture
  • Rock fracture detection method under in-situ real-time pressurization of earth-rock mixture

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[0040] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the described embodiments are some, not all, embodiments of the present invention. The following examples are only used to explain the present invention, but not to limit the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention. Unless otherwise specified, the technical means used in the embodiments are conventional means or existing technologies well known to those skilled in the art.

[0041] It should be noted that in this article, relative terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not ...

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Abstract

The invention relates to the technical field of rock fracture detection, and provides a rock fracture detection method under in-situ real-time pressurization of an earth-rock mixture, which comprisesthe following steps: a segmentation marking step: carrying out threshold segmentation on an image acquired by image equipment, and carrying out segmentation marking on soil, stones and bonding surfaces between the soil and the stones according to a segmentation result; and a full-strain field acquisition step: acquiring the full-strain field according to the full-displacement field of the rock. Byadopting the technical scheme, the stress change of the bonding surface between the soil and the stone can be obtained through the steps of segmenting and marking and obtaining the full strain field,and the stress change trend is quantified, so that the deformation fracture mechanism of the soil-stone mixture is mastered, and disaster prevention and reduction are realized.

Description

technical field [0001] The invention relates to the technical field of rock fracture detection, in particular to a rock fracture detection method under in-situ real-time pressure of a soil-rock mixture. Background technique [0002] As a filler, soil-rock mixture is widely used in construction projects such as earth-rock dams, railways, highways, airports, house foundations, river embankments, etc. The stability problems of various engineering buildings, structures and geological bodies carried by soil-rock mixture are all It is related to the deformation and failure of soil-rock mixture under stress environment. [0003] The macroscopic failure of rock is closely related to the dynamic coupling between rock mesostructure and microcrack formation, opening, shearing, coalescence and closure. Therefore, only by exploring the mesoscopic structure of the soil-rock mixture and obtaining the stress change during the failure process can we fundamentally grasp the deformation and f...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/136G06T7/181G06N3/04G06K9/62
CPCG06T7/0004G06T7/136G06T7/181G06T2207/20084G06T2207/10081G06N3/045G06F18/22
Inventor 武艳芳李晓李守定赫建明张召彬毛天桥郑博李关访
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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