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A deep underground explosion effect simulation test device and test method

A technology for simulating experiments and effects, applied to measuring devices, instruments, scientific instruments, etc., can solve problems such as doubts about the applicability of theoretical models, and achieve the effect of convenient operation and advanced measurement methods

Active Publication Date: 2022-05-10
ARMY ENG UNIV OF PLA
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Problems solved by technology

Due to the great difference between deep geological bodies and other engineering materials, especially the influence of environmental factors such as high ground stress, high ground temperature, and high karst water pressure, many basic theories such as constitutive relations are still unclear, and the applicability of existing theoretical models is limited. question

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  • A deep underground explosion effect simulation test device and test method
  • A deep underground explosion effect simulation test device and test method
  • A deep underground explosion effect simulation test device and test method

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0039] Such as Figure 1-6 As shown, it is a schematic structural diagram of a deep underground explosion effect simulation test device according to an embodiment of the present invention, and a front view and a top view of a partial structure of the device. The main parts of the device involved in the present invention are: a spherical granite sample 1, a glass fiber reinforced plastic cylinder 2, a pressure container 3, a steel fiber RPC protection well 4 and a rubber supporting device 5.

[0040] According to the diameter and height of the pressure vessel 3, the present invention excavates a vertical shaft at the test site to ensure that the diameter of the vertical shaft is 6 times the diam...

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Abstract

The invention discloses a deep underground explosion effect simulation test device and testing technology. The micro TNT spherical explosive is pre-embedded in a spherical granite sample, a ring-shaped electromagnetic particle velocity meter and a manganin pressure gauge are set. Connect the No. 4 copper electric detonator on the surface of the spherical granite sample through a soft blasting cord, and detonate the micro TNT spherical explosive when the pressure of the pressure vessel reaches a predetermined value and the magnetic field is stable. According to the principle of electromagnetic induction and piezoelectric effect, high ground can be captured respectively The motion parameters and waveform parameters of the spherical granite sample under the coupled action of stress and blast load, so as to reveal the dynamic behavior of the deep underground blast rock medium. Through the deep underground explosion effect simulation test device and test technology of the present invention, the test load closer to the actual situation is obtained, and the test efficiency and reliability are improved.

Description

technical field [0001] The invention specifically relates to a deep underground explosion effect simulation test device and testing technology, and belongs to the technical field of air pressure positive pressure loading and explosive loading. Background technique [0002] Scientists in our country clearly realize that the construction of deep underground space is in the ascendant worldwide, and seeking development and living space in the deep part of the earth has become a common trend in geotechnical engineering construction and development worldwide; In response to the challenges of globalization and my country's energy bottlenecks, they turned their attention to three major frontier areas related to national security and social development: underground strategic protection projects, nuclear waste disposal, and strategic petroleum reserves. Due to the great difference between deep geological bodies and other engineering materials, especially the influence of environmental ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/02G01N3/313
CPCG01N3/02G01N3/313
Inventor 陈万祥郭志昆李杰刘华超罗立胜袁鹏
Owner ARMY ENG UNIV OF PLA
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