Apparatus for simulating fracture of thrust fault

A technology for simulating strata and faults, applied in the field of geological science, which can solve the problems of uncertain ground motion, inability to accurately obtain the characteristics of near-fault pulse-type ground motion, and insufficient pulse-type seismic records.

Active Publication Date: 2019-11-19
SOUTHWEST JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the above-mentioned deficiencies in the prior art, a device for simulating thrust fault rupture provided by the present invention solves the problem that the pulse-type seismic records obtained from actu

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  • Apparatus for simulating fracture of thrust fault
  • Apparatus for simulating fracture of thrust fault
  • Apparatus for simulating fracture of thrust fault

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Embodiment Construction

[0042] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0043] Such as figure 1 As shown, a device for simulating the rupture of a thrust fault includes: a loading device, a supporting device, a testing device, an auxiliary device and a fault model device;

[0044] The auxiliary device includes: a first auxiliary device and a second auxiliary device; the loading device includes: a main load jack 5 and a supplementary load jack 4; the fault model device includes: a reaction wall ...

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Abstract

The invention discloses an apparatus for simulating the fracture of a thrust fault. The apparatus comprises a loading device, a supporting device, a testing device, an auxiliary device and a fault model device; fault fracture induced pulse research is carried out with a physical model experiment; and the characteristics and spatial distribution rules of pulse seismic oscillation generated by different seismogenic fault types and different fault parameters are disclosed, so that a seismogenic fault type-based pulse seismic oscillation characteristic model is established. According to the priorart, due to the uncertainty of seismic oscillation and the constrain of observation technologies, the records of impulse type earthquakes obtained in actual earthquakes are not enough to accurately obtain the characteristics of near-fault impulse type seismic oscillation statistically. With the apparatus of the invention adopted, the above problem can be solved; pulses generated by different partsof the fault during the fracture of the thrust fault can be studied; and pulse characteristics and distribution rules during the fracture of the fault are recorded.

Description

technical field [0001] The invention relates to the technical field of geological sciences, in particular to a device for simulating thrust fault rupture. Background technique [0002] The rupture mechanism of seismic faults has a great influence on the generation of pulse ground motions and their intensity parameters. With the development of science and technology, more and more pulse ground motions have been recorded, and the research on its damage to engineering structures has become more and more in-depth. In the Northridge earthquake in 1994, the Kobe earthquake in 1995, and the earthquake in 1999, a large number of studies have shown that under the same seismic moment magnitude and site conditions, compared with far-field earthquakes, near-field pulse-type earthquakes have more impact on engineering structures. Great destructive power. In general, pulse ground motions are caused by the forefield directional effect and slide effect in seismic fault rupture. The veloc...

Claims

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Application Information

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IPC IPC(8): G01V1/30
CPCG01V1/307
Inventor 张迎宾余健杨文波王庆栋柳静董琰富海鹰魏江涛
Owner SOUTHWEST JIAOTONG UNIV
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