Apparatus for simulating fracture of strike-slip fault

A strike-slip fault, simulating stratum technology, applied in the field of geological science, can solve the problems of inability to accurately obtain the characteristics of near-fault pulse-type ground motion, uncertainty of ground motion, insufficient pulse-type seismic records, etc.

Active Publication Date: 2019-11-19
SOUTHWEST JIAOTONG UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] Aiming at the above-mentioned deficiencies in the prior art, a device for simulating the rupture of a strike-slip fault provided by the present invention solves the uncertainty of the earthquake and the restriction of the observation technology, and the pulse-type seismic records obtained from the actual earthquake are not enough and cannot The problem of obtaining statistically accurate properties of near-fault pulse-type ground motions

Method used

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  • Apparatus for simulating fracture of strike-slip fault
  • Apparatus for simulating fracture of strike-slip fault
  • Apparatus for simulating fracture of strike-slip fault

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Embodiment Construction

[0040] 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.

[0041] Such as figure 1 As shown, a device for simulating the rupture of a strike-slip fault includes: a loading device, a supporting device, a testing device, an auxiliary device and a fault model device;

[0042] The auxiliary device includes: a first auxiliary device and a second auxiliary device; the loading device includes: a main load jack 17 and a supplementary load jack 4; the fault model device includes: a first re...

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Abstract

The invention discloses an apparatus for simulating the fracture of a strike-slip fault. The apparatus comprises a loading device, a supporting device, a testing device, an auxiliary device and a fault model device; the fracturing speed of the fault is measured through a sound emission sensor in the testing device; the load of a jack is changed; the fracturing speed and evolution process of the fault can be monitored; acceleration data generated by different parts of the fault can be measured through a two-way acceleration sensor in the testing device; the acceleration data are converted intospeed data through an analog circuit; pulse data are extracted from the speed data; and therefore, the pulse characteristics and distribution laws of seismic records under different fault fracturing speeds can be obtained.

Description

technical field [0001] The invention relates to the technical field of geological sciences, in particular to a device for simulating strike-slip 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 ...

Claims

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Application Information

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IPC IPC(8): G01V1/30
CPCG01V1/307
Inventor 张迎宾董琰杨文波王庆栋柳静富海鹰李得建
Owner SOUTHWEST JIAOTONG UNIV
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