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Simulation device and method for deformation and failure of tunnel fault fracture zone

A simulation device and broken zone technology, applied in teaching models, instruments, educational tools, etc., can solve problems such as deformation and damage, and achieve accurate simulation results and referential effects

Active Publication Date: 2021-07-23
SHIJIAZHUANG TIEDAO UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to design a method that can realize the fault activation effect and simulate the tunnel when it passes through the fault fracture zone under the action of train dynamic load and earthquake load. The simulation test device for deformation and failure of the structure; at the same time, it also specifically introduces the operation method of the test device to solve the problem of deformation and damage of the tunnel structure when it passes through the fault fracture zone under the action of train dynamic load and earthquake

Method used

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  • Simulation device and method for deformation and failure of tunnel fault fracture zone
  • Simulation device and method for deformation and failure of tunnel fault fracture zone
  • Simulation device and method for deformation and failure of tunnel fault fracture zone

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Embodiment 1

[0041] Such as Figure 1-8As shown, according to some embodiments of the present invention, the simulation device for the deformation and failure of the tunnel fault fracture zone includes a load-bearing frame 1, a hoop jack 2, and the hoop jack 2 is fixedly installed on the inner wall of the load-bearing frame 1. The jacks 2 together form a loading reaction device. The bottom surface of the load-bearing frame 1 is fixedly installed on the ground. The load-bearing frame 1 is a frame structure with front and rear openings. The angle between the surface and the inner wall of the side is 135°, the angle between the inclined surface of the bearing frame 1 and the inner wall of the top surface is 135°, the inclined surface at the top of the bearing frame 1 can increase the structural stability of the bearing frame 1, and the hoop jack 2 Distributed on the inner wall of the top surface, the inner wall of the bottom surface, the inner wall of the side surface and the inner wall of th...

Embodiment 2

[0052] Such as Figure 9-10 As shown, the difference between this embodiment and Embodiment 1 is that the test inner groove 3 is composed of the active groove 11, the middle groove 15 and the passive groove 12, the active groove 11 and the middle groove 15 are flexibly connected, and the other side of the middle groove 15 It is flexibly connected with the passive slot 12. The top of the active slot 11 is provided with an active cover 13. The active slot 11 and the active cover 13 are detachably connected. The top of the passive slot 12 is provided with a passive cover 14. The passive cover 14 is detachably connected with the passive slot 12. The top of the tank 15 is provided with a middle tank cover 16, and the middle tank cover 16 is detachably connected with the middle tank 15. The inner side of the tank body composed of the active tank 11, the passive tank 12 and the middle tank 15 is a rock-soil filling tank 4, and the rock-soil filling tank 4 It is used to fill the geote...

Embodiment 3

[0054] According to some embodiments of the present invention, the method for using the simulation device for the deformation and failure of the tunnel fault fracture zone includes:

[0055] Step 1: Carry out on-the-spot detection of the location where the tunnel construction needs to be carried out, obtain the data required for the test, and then generate a reference model, and then fill the rock-soil filling groove 4 with rock-soil materials according to the reference model data, and fill the rock-soil filling groove 4 After completion, the active cover 13 and the passive cover 14 are covered with the active groove 11 and the passive groove 12 respectively.

[0056] Step 2: Place the test inner tank 3 composed of the active tank 11 and the passive tank 12 into the load-bearing frame 1, apply loads to the left side, right side, top and bottom of the active tank 11 through the hoop jack 2, and simultaneously pass The rear jack 9 can apply a load to the front surface of the act...

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Abstract

The invention relates to the technical field of physical simulation of deformation and failure of tunnel fault fracture zones and discloses a simulation device and method for deformation and failure of tunnel fault fracture zones. The device comprises a bearing frame, an annular jack, a test inner groove, a rock-soil filling groove, a tunnel excavation face, an actuator support, an actuator, a back reaction wall, a back jack and a tunnel lining model, wherein the annular jack is fixedly installed on an inner wall of the bearing frame, and the test inner groove is located in the bearing frame; the tunnel excavation face is located on the test inner groove, the tunnel lining model is arranged on the tunnel excavation face, the actuator support is connected with the actuator to form an actuating device, the back face jack is fixedly connected with the back face reaction wall, and the annular jack and the back face jack are matched with the test inner groove; a load is applied to an outer wall of the test inner tank. The device is advantaged in that a problem that an existing simulation device can only move in a plane can be solved, and the simulation result is more real and reliable.

Description

technical field [0001] The invention relates to the technical field of physical simulation of deformation and failure of tunnel fault fracture zone, more specifically, it relates to a method of applying loads in multiple directions to realize the fault activation effect, and to simulate the tunnel crossing the fault fracture zone under the action of train dynamic load and earthquake load , a simulation test device for tunnel structure deformation and destruction and its operation method. Background technique [0002] With the rapid development of my country's economy, infrastructure construction is also constantly improving, and tunnel engineering has achieved unprecedented development. At present, it has become the country with the largest tunnel construction scale, the fastest development speed, and the most complex structure in the world. In recent years, with the gradual advancement of infrastructure construction, the state has continuously increased its investment in th...

Claims

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Application Information

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IPC IPC(8): G09B23/40
CPCG09B23/40
Inventor 徐飞李军伟杜彦良任伟新李林超高阳赵杨平
Owner SHIJIAZHUANG TIEDAO UNIV
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