Physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different dip angles

By designing a physical simulation test system that simulates the staggering movement of faults at different inclinations, the problem of automatic track resetting in high-speed railway tunnel construction is solved, and effective simulation and testing of track angle changes under different fault conditions is realized, which improves construction safety.

CN115559164BActive Publication Date: 2025-04-25INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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Patent Information

Application Number
CN202211193191.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-28
Publication Date
2025-04-25
Estimated Expiration
2042-09-28

AI Technical Summary

Technical Problem

In the construction of high-speed railway tunnels, the existing technology lacks effective measures to automatically reset the track that is misaligned after being disturbed, especially in cases of direct/reverse/strike-slip faults in different inclinations, which poses potential safety risks.

Method used

A physical simulation test system is designed to simulate the staggering movement of positive-inverse-strike-slip faults of different inclinations, including a reaction frame, a thrust assembly, a first adjustment device and a second adjustment device. These components are used to simulate the different inclinations of the tracks in the live faults, and the posture of the track plate and lining is adjusted in real time through the control device.

Benefits of technology

The system can effectively simulate the angle changes of the track under different fault conditions, provide test reference, provide safe and reliable test support for actual response plans, and reduce safety risks in high-speed railway tunnel construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a physical simulation test system for simulating the dislocation of normal-reverse-strike-slip faults with different inclination angles. The test system comprises: a reaction frame in a trough structure, the reaction frame comprises two end segments and a middle segment, the middle segment is a plurality of sub-segments which are arranged in a plurality of sections in a continuous manner; both ends of the middle segment are provided with inclination adjustment dials for adjusting the inclination angles of the plurality of sub-segments; a plurality of linings are provided along the length direction of the trough structure, the frame slide rail is vertical to the length direction of the trough, and the lining can slide along the length direction of the frame slide rail; a track plate is provided on each lining, and two adjacent track plates are connected to each other to form a passage for simulating the passage of a train; a first adjustment device is provided between the reaction frame and the lining, and is used to adjust the posture of the lining; a second adjustment device is provided between the lining and the track plate, and is used to adjust the posture of the track plate.
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Description

Technical Field

[0001] The invention belongs to the technical field of tunnel construction, and in particular relates to a physical simulation test system for simulating the dislocation of normal-reverse-strike-slip faults with different inclination angles. Background Art

[0002] In order to adapt to the rapid development of my country's economy, a large number of transportation infrastructure such as roads and railways need to be built, which inevitably crosses mountains and ridges, and the crossing method is usually tunnels. In the case of high-speed railway tunnels, fault slip has an important impact on tunnels and facilities inside tunnels. Since high-speed railways have very high requirements for track deformation, and the deformation conditions include uncertain factors such as forward / reverse / strike slip at different inclination angles, relevant measures need to be adopted when tunnels cross active faults to achieve real-time adjustment of track structure deformation.

[0003] That is, at present, there is no effective measure to automatically reset the dislocated track after the disturbance. For example, there is a lack of treatment measures for the case of normal / reverse / strike-slip faults with different inclination angles, resulting in potential safety risks during the operation of high-speed railways.

[0004] It can be seen that providing an effective solution for simulating tracks under disturbance is a technical problem that technical personnel in this field urgently need to solve. Summary of the invention

[0005] The physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different dip angles provided by the present invention can at least solve the above technical problems;

[0006] In order to solve the above problems, the first aspect of the present invention provides a physical simulation test system for simulating the dislocation of normal-reverse-strike-slip faults with different inclination angles, and the test system comprises: a reaction frame in a trough structure, the reaction frame comprises two end segments and a middle segment, the middle segment is a plurality of sub-segments arranged in a plurality of sections in a continuous manner; a pair of inclination adjustment dials are arranged at both ends of the middle segment for adjusting the inclination angles of the plurality of sub-segments; a plurality of linings are arranged along the length direction of the trough structure through a frame slide rail, the frame slide rail is perpendicular to the length direction of the trough, and the lining can slide along the length direction of the frame slide rail; each of the linings is provided with a There are track plates, and two adjacent track plates are connected to each other to form a channel for simulating the passage of a train; a thrust assembly, which is correspondingly arranged at one end of the lining and is used to push the lining to move along the frame slide rail at a preset inclination angle; a first adjustment device, which is arranged between the reaction frame and the lining and is used to apply a first adjustment action to adjust the posture of the lining; a second adjustment device, which is arranged between the lining and the track plate and is used to apply a second adjustment action to adjust the posture of the track plate; and a control device, which is electrically connected to the first adjustment device and the second adjustment device.

[0007] In the first aspect, the first adjustment device includes a first loading cylinder and a second loading cylinder, and the first loading cylinder and the second loading cylinder are electrically connected to the control device; the first loading cylinder is arranged at the bottom of the lining to adjust the vertical direction of the lining; the second loading cylinder is arranged on the opposite side of the lining to adjust the horizontal direction of the lining.

[0008] In the first aspect, the second adjusting device comprises a lifting platform, which is arranged between the lining and the track plate and is used to adjust the height of the lifting platform, and the lifting platform is electrically connected to the control device.

[0009] In the first aspect, the second adjusting device further includes: a universal wheel disposed between the lifting platform and the track plate, for adjusting a horizontal position of the track plate.

[0010] In the first aspect, the second adjusting device further includes a pair of adjusting cylinders, and the pair of adjusting cylinders are correspondingly arranged at opposite positions of a pair of track plates, for adjusting the horizontal positions of the track plates.

[0011] In the first aspect, the inclination adjustment dial includes a pair of semi-cylindrical structures, which are arranged on opposite sides of the middle segment. The non-arc surfaces of the semi-cylindrical structures are close to the middle segment. When the semi-cylindrical structures rotate, they push the middle segment to tilt at an angle.

[0012] In the first aspect, the inclination adjustment device further comprises a crank handle, which is connected to the center of the semi-cylindrical structure and is used to adjust the rotation of the inclination adjustment dial of the semi-cylindrical structure so that the inclination adjustment dial rotates to a preset angle.

[0013] In the first aspect, a pair of the end segments are also provided with deformation comparison points protruding from their bodies.

[0014] In the first aspect, the two end segments are further provided with limit baffles.

[0015] In a second aspect, the present invention provides a physical simulation test device for simulating the movement of faults with different dip angles, and the test device is applied to the above-mentioned physical simulation test system for simulating the movement of normal-reverse-strike-slip faults with different dip angles.

[0016] Beneficial effects: The present invention proposes a physical simulation test system for simulating the dislocation of normal-reverse-strike-slip faults with different inclination angles, by arranging multiple sub-segments on the middle segment of the reaction frame, and then adjusting the inclination angle of the lining through the thrust assembly to simulate the angle of inclination that may occur when the actual track is disturbed, and then arranging the first adjustment device and the second adjustment device to adjust the posture of the track plate and the lining, and the first adjustment device and the second adjustment device are both controlled by the control device, and the thrust device, the first adjustment device and the second adjustment device are used to simulate the different inclination angles of the track on the active fault. The forward / reverse / strike-slip conditions, thereby providing a test reference for the actual response plan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 Schematic diagram of the structure of a physical simulation test system for simulating normal-reverse-strike-slip fault dislocation at different dip angles according to the first embodiment of the present invention Figure 1 ;

[0019] Figure 2 Schematic diagram of the structure of a physical simulation test system for simulating normal-reverse-strike-slip fault dislocation at different dip angles according to the first embodiment of the present invention Figure 2 ;

[0020] Figure 3 Schematic diagram of the structure of a physical simulation test system for simulating normal-reverse-strike-slip fault dislocation at different dip angles according to the first embodiment of the present invention Figure 3 .

[0021] Numbers in the figure:

[0022] 1-reaction frame; 101-end segments; 102-middle segment;

[0023] 2- Lining;

[0024] 3-Track plate;

[0025] 4-Tilt adjustment dial;

[0026] 5- Crank the handle;

[0027] 6-deformation control point;

[0028] 7-limit baffle;

[0029] 8-First loading cylinder;

[0030] 9- Second loading cylinder;

[0031] 10-lifting platform;

[0032] 11-Universal wheel;

[0033] 12-Adjust the cylinder. DETAILED DESCRIPTION

[0034] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0035] At the same time, in the embodiments of this specification, when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a centered component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a centered component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a centered component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in the embodiments of this specification are for illustrative purposes only and are not intended to limit the present invention.

[0036] Embodiment 1:

[0037] like Figure 1-3 As shown, the first embodiment provides a physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different inclination angles, and the test system includes: a reaction frame 1 in a trough structure, a thrust assembly, a first adjustment device, a second adjustment device and a control device;

[0038] The reaction frame 1 includes two end segments 101 and a middle segment 102, wherein the middle segment 102 is a plurality of sub-segments arranged in a continuous manner; the inclination adjustment dials 4 at both ends of the middle segment 102 are used to adjust the inclination angles of the plurality of sub-segments; a plurality of linings 2 connected by a frame slide rail are arranged along the length direction of the trough structure, the frame slide rail is vertical to the length direction of the trough structure, and the lining 2 can slide along the length direction of the frame slide rail; each of the linings 2 is provided with a track plate 3, and the space between two adjacent track plates 3 is They are interconnected to form a channel for simulating the passage of a train; the thrust assembly is correspondingly arranged at one end of the lining 2, and is used to push the lining 2 to move along the frame slide rail at a preset inclination angle; the first adjusting device is arranged between the reaction frame 1 and the lining 2, and is used to apply a first adjusting action to adjust the posture of the lining 2; the second adjusting device is arranged between the lining 2 and the track plate 3, and is used to apply a second adjusting action to adjust the posture of the track plate 3; the control device is electrically connected to the first adjusting device and the second adjusting device.

[0039] Specifically, in the first embodiment of the present invention, a plurality of sub-segments are arranged on the middle segment 102 of the reaction frame 1, and then the inclination angle of the lining 2 is adjusted by the thrust assembly to simulate the angle of inclination that may occur when the actual track is disturbed, and then the first adjustment device and the second adjustment device are arranged to adjust the posture of the track plate 3 and the lining 2, and the first adjustment device and the second adjustment device are both controlled by the control device, and the thrust device, the first adjustment device and the second adjustment device are used to simulate the different inclination angles of the track on the active fault. Forward / reverse / slip conditions, thereby providing a test reference for the actual response plan;

[0040] The process of this scheme is as follows: during the test, firstly, according to the inclination of the fault layer in the simulated project, the angle is adjusted to the set inclination by shaking the inclination adjustment dial 4 through the crank handle 5 (a certain thickness of rubber pad is placed between the segmented linings 2 to ensure that the segmented linings 2 can rotate smoothly), and then, according to the test needs, the lining 2 is loaded up and down and forward and backward by the loading cylinder to simulate different forms of fault displacement. The loading cylinder can control the loading rate through the control system, thereby simulating creep and stick-slip displacement. During the displacement of the lining 2, the deformation monitoring device is used to monitor the displacement of the deformation control point 6 and feedback it to the adjustment component. Through real-time response, the track plate 3 and the track are adjusted (the adjustment component mainly includes the adjustment cylinder 12, the universal wheel 11 and the lifting platform 10, wherein the adjustment cylinder 12 can adjust the track plate 3 left and right, the universal wheel 11 can adjust the track plate 3 horizontally, and the lifting platform 10 can adjust the track plate 3 up and down), and restore to the initial position.

[0041] In some possible embodiments, the first adjustment device includes a first loading cylinder 8 and a second loading cylinder 9, and the first loading cylinder 8 and the second loading cylinder 9 are electrically connected to the control device; the first loading cylinder is arranged at the bottom of the lining 2 for adjusting the vertical direction of the lining 2; the second loading cylinder 9 is arranged on the opposite side of the lining 2 for adjusting the horizontal direction of the lining 2.

[0042] For the second lifting device, this embodiment 1 proposes an implementation method, which specifically includes that the second adjusting device includes a lifting platform 10, and the lifting platform 10 is arranged between the lining 2 and the track plate 3, and is used to adjust the height of the lifting platform 10, and the lifting platform 10 is electrically connected to the control device.

[0043] Furthermore, for the second lifting device, this embodiment 1 proposes another implementation mode, which specifically includes: the second adjustment device also includes: a universal wheel 11 arranged between the lifting platform 10 and the track plate 3, for adjusting the horizontal position of the track plate 3.

[0044] Furthermore, for the second lifting device, this embodiment 1 proposes another implementation mode, which specifically includes: in some possible implementation modes, the second adjustment device also includes a pair of adjusting cylinders 12, and the pair of adjusting cylinders 12 are correspondingly arranged at opposite positions of a pair of the track plates 3, for adjusting the horizontal position of the track plates 3.

[0045] In some possible embodiments, the inclination adjustment dial 4 includes a pair of semi-cylindrical structures, which are arranged oppositely on opposite sides of the middle segment 102. The non-arc surfaces of the semi-cylindrical structures are close to the middle segment 102. When the semi-cylindrical structures rotate, they push the middle segment 102 to tilt at an angle.

[0046] In some possible embodiments, the inclination adjustment device 4 further includes a crank handle 5, which is connected to the center of the semi-cylindrical structure and is used to adjust the rotation of the inclination adjustment dial 4 of the semi-cylindrical structure so that the inclination adjustment dial 4 rotates to a preset angle.

[0047] In some possible implementations, a pair of the two end segments 101 are further provided with deformation reference points 6 protruding from the main body thereof.

[0048] In some possible implementations, the two end segments 101 are further provided with limit baffles 7 .

[0049] Embodiment 2

[0050] The present invention provides a physical simulation test device for simulating the dislocation of faults with different inclination angles. The test device is applied to the above-mentioned physical simulation test system for simulating the dislocation of normal-reverse-strike-slip faults with different inclination angles. Through the system, a plurality of sub-segments are arranged on the middle segment 102 of the reaction frame 1, and then the inclination of the lining 2 is adjusted by the thrust assembly to simulate the angle of inclination that may occur when the actual track is disturbed, and then the first adjustment device and the second adjustment device are arranged to adjust the posture of the track plate 3 and the lining 2, and the first adjustment device and the second adjustment device are both controlled by the control device. Through the above-mentioned thrust device, the first adjustment device and the second adjustment device, the forward / reverse / strike-slip conditions of the track at different inclination angles on the active fault are simulated, thereby providing a test reference for the actual response plan.

[0051] Since the second embodiment and the first embodiment are embodiments of the same inventive concept and some of their structures are exactly the same, the structures in the second embodiment that are substantially the same as those in the first embodiment will not be elaborated in detail. For the parts not described in detail, please refer to the first embodiment.

[0052] Finally, it should be noted that the above embodiments are only specific implementations of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the above embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention. They should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

[0053] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different dip angles, characterized by: The test system comprises: A reaction force frame in a trough structure, the reaction force frame comprising two end segments and a middle segment, the middle segment being a plurality of sub-segments arranged in a plurality of sections in a continuous manner; a pair of inclination adjustment dials are arranged at both ends of the middle segment for adjusting the inclination angles of the plurality of sub-segments; A plurality of lining sections connected by a frame slide rail are arranged along the length direction of the trough structure, the frame slide rail is vertical to the length direction of the trough structure, and the lining can slide along the length direction of the frame slide rail; a track plate is arranged on each lining, and two adjacent track plates are connected to each other to form a passage for simulating the passage of a train; a first adjusting device, the first adjusting device being disposed between the reaction frame and the lining and being used to apply a first adjusting action to adjust the posture of the lining; a second adjusting device, the second adjusting device being arranged between the lining and the track plate and being used for applying a second adjusting action to adjust the posture of the track plate; a control device, the control device being electrically connected to the first regulating device and the second regulating device; The inclination adjustment turntable includes a pair of semi-cylindrical structures, which are arranged oppositely on opposite sides of the middle segment. The non-arc surfaces of the semi-cylindrical structures are close to the middle segment. When the semi-cylindrical structures rotate, they push the middle segment to tilt at an angle.

2. The physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different inclination angles according to claim 1 is characterized in that: The first adjusting device comprises a first loading cylinder and a second loading cylinder, wherein the first loading cylinder and the second loading cylinder are electrically connected to the control device; The first loading cylinder is arranged at the bottom of the lining and is used to adjust the vertical direction of the lining; The second loading cylinder is arranged on the opposite side of the lining and is used to adjust the horizontal direction of the lining.

3. The physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different inclination angles according to claim 2 is characterized in that: The second adjusting device comprises a lifting platform, which is arranged between the lining and the track plate and is used to adjust the height of the lifting platform. The lifting platform is electrically connected to the control device.

4. The physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different inclination angles according to claim 3 is characterized by: The second adjusting device further comprises: a universal wheel disposed between the lifting platform and the track plate, and used for adjusting the horizontal position of the track plate.

5. The physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different inclination angles according to claim 4 is characterized in that: The second adjusting device further comprises a pair of adjusting oil cylinders, which are correspondingly arranged at opposite positions of a pair of track plates and are used for adjusting the horizontal positions of the track plates.

6. The physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different inclination angles according to claim 5 is characterized in that: It also includes a crank handle, which is connected to the center of the semi-cylindrical structure and is used to adjust the rotation of the inclination adjustment dial of the semi-cylindrical structure so that the inclination adjustment dial rotates to a preset angle.

7. The physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different inclination angles according to claim 6 is characterized by: A pair of the two end segments are also provided with deformation comparison points protruding from the main body thereof.

8. The physical simulation test system for simulating normal-reverse-strike-slip fault dislocation with different inclination angles according to claim 7 is characterized by: The two end segments are also provided with limit baffles.

Citation Information

Patent Citations

  • Test simulation system of railway tunnel substrate structure, and method for determining mechanical response

    CN109030206A

  • Track structure in tunnel crossing active fault and correction construction method

    CN112663412A