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Simulation test apparatus of tectonic stress field and method thereof

A technology for simulating experiments and tectonic stress, applied in geophysical measurement, instruments, etc., can solve problems such as the inability to realize simultaneous movement of multiple regions, imperfect experimental devices, and immature methods and theories, and achieve the solution of uneven force exerted by solids, Good toughness, easy to use

Active Publication Date: 2015-12-30
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the existing geological structure simulation test benches, most of them can only simulate vertical structural stress, and are limited to simulate faults, and most of them are simulations with fixed dimensions and inclination angles. They can only realize the control mode of single movement, and cannot realize the simultaneous movement of multiple regions.
For the simulation of horizontal structural movement, the method theory is immature, the experimental equipment is not perfect, and the flexibility is poor

Method used

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  • Simulation test apparatus of tectonic stress field and method thereof
  • Simulation test apparatus of tectonic stress field and method thereof
  • Simulation test apparatus of tectonic stress field and method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0057] This embodiment simulates a normal fault, and the normal fault structural stress field simulation test device, on the basis of the above-mentioned device, is selected as two smooth plates located above the water bag, and the two smooth plates are independent, and the two smooth plates are spliced When together, they can completely cover the top surface of the water bladder, in the laying process of similar materials, such as figure 2 As shown, the bottom layer of similar material E is laid first, and after E is laid, a water bag is laid on top of E, the above two smooth boards are laid on top of the water bag, and similar materials D, C, B, and A are laid on top of the smooth board in sequence Layer, the similar material above the smooth plate needs to prefabricate the fault, that is, the partition 5 with a certain inclination angle is set on the D, C, B, A similar material layers to simulate fracture.

[0058] The specific test method is:

[0059] The first step is t...

Embodiment 2

[0069] This embodiment simulates a reverse fault, and the device for simulating a reverse fault is as follows image 3 As shown, it is the same as in Example 1. Firstly, the bottom layer of similar material E is laid. After E is laid, a water bag is laid on top of E, the above two smooth boards are laid on the top of the water bag, and D and C are laid on top of the smooth board in turn. , B, and A are similar material layers, and the two are slightly different in the specific test method. The difference from Example 1 is that in the specific test method, in the fifth step, the present embodiment is to remove the partition and the lower end of the fault. Click the smooth plate on the left part to simulate the formation and evolution process of the reverse fault structure.

Embodiment 3

[0071] This embodiment simulates combined faults, such as Figure 4 As shown in the combined fault structural stress field simulation test device, after the loading module 1, the lateral loading system 7 and the control console 3 are all installed in place, the bottom layer E is laid first in the cuboid frame 6, and after E is laid, the bottom layer E A water bag is laid above the water bag, and three smooth boards are laid above the water bag. The lengths of the three smooth boards and the positions of their splices are divided according to the lower endpoint of the fault plane of the combined fault. The similar material layer above the smooth board In D, C, B, and A, there are prefabricated partitions to simulate faults. There are two partitions, and the inclination angles of the two partitions are obtained through calculation.

[0072] The specific simulation method for simulating combined faults in this embodiment includes the following steps:

[0073] The first step is t...

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Abstract

The invention discloses a simulation test apparatus of a tectonic stress field and a method thereof. The apparatus comprises a simulated test bench, a loading module arranged at the top of the test bench, lateral loading systems, and a console. The simulated test bench includes a cuboid frame and baffle plates installed at the periphery of the cuboid frame. A model is laid inside the frame and is formed by successively laying of a plurality of layers of similar materials; and a water capsule and a smooth plate assembly are arranged between the bottom similar material and the similar material at the upper layer. The smooth plate assembly includes at least two smooth plates and a clamp groove part enabling the smooth plates to move relatively; and the water capsule is laid below the smooth plates. At least one separator plate for simulating a facture layer is arranged inside the similar material layer above the smooth plates in advance; and a certain included angle is formed between the separator plate and the water capsule at the horizontal direction. According to the invention, quantitative researches on the stress field evolution process during the tectonic movement formation process can be realized; and a beneficial theory and data basis can be provided for underground activities like mining.

Description

technical field [0001] The invention relates to a test device and method for the formation and evolution of rock geological structures, which is an experimental instrument for simulating stress field changes in the process of geological structure evolution through simulation experiments, especially for simulating and studying the evolution characteristics of stress fields in the process of fault and fold formation . Background technique [0002] With the increasing development of underground engineering such as human mining, geological structures such as faults and folds have brought huge obstacles to the further development of underground production activities and caused serious safety accidents. Therefore, it is imperative to fully understand the derivation law of underground structures and the distribution of stress field for the safe and scientific production of underground engineering. However, the research methods on geological structures at this stage still remain at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V9/00
Inventor 文志杰宋振骐蒋宇静谭云亮王晓
Owner SHANDONG UNIV OF SCI & TECH
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