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A simulation device for instability and failure of collapsed rockfill body

A simulation device and rockfill body technology, which is applied in the field of rockfill body slump simulation experiments, can solve the problems of discounting the actual application value of experimental results, and achieve the effects of ensuring feasibility, improving accuracy, and preventing damage

Active Publication Date: 2021-08-13
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing excitation devices are unable to meet the above requirements, so the simulation results are far from the objective reality, and the practical application value of the experimental results is greatly reduced

Method used

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  • A simulation device for instability and failure of collapsed rockfill body
  • A simulation device for instability and failure of collapsed rockfill body
  • A simulation device for instability and failure of collapsed rockfill body

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as Figure 1~7As shown, the present embodiment includes a simulation box 3, a base 9 positioned below the simulation box 3, a base plate 11 is provided at the bottom of the simulation box 3, and a plurality of springs 6 are respectively provided on the upper end surface of the base 9, and a plurality of The upper end of the spring 6 is connected to the lower end surface of the base plate 11, the base 9 has a cavity inside, and two hanging plates 12 are arranged on the lower surface of the base plate 11, each of the hanging plates 12 has an upper positioning The hole 5, the horizontal hole 7 and the lower positioning hole 8, and the upper positioning hole 5 and the lower positioning hole 8 are symmetrically distributed along the axis of the horizontal hole 7, and a support cylinder 18 is provided in the middle of the cavity of the base 9, and a support cylinder 18 is provided in the support cylinder 18. The top cylinder 20 and the two adjusting cylinders 19 are also...

Embodiment 2

[0040] Such as figure 1 , 2 , 3, on the basis of Embodiment 1, this embodiment is provided with a cylindrical cavity inside the vibrating cylinder 4, and a motor 407 is provided along the axial direction of the cavity, and the output end of the motor 407 is A rotating shaft is provided, and two clamping plates 401 are arranged on the inner peripheral wall along the axial direction of the cavity, and a through hole is opened in the middle of each of the clamping plates 401, and bearings are respectively provided on both sides of the through hole, The outer peripheral walls of the rotating shaft are respectively in contact with the inner peripheral walls of the four bearings, and the first static eccentric wheel 403 and the second static eccentric wheel 406 are respectively fixed on the outer peripheral walls of the rotating shaft, and the first static eccentric wheel 403 and the second static eccentric wheel Two static eccentric wheels 406 are all placed between two clamping p...

Embodiment 3

[0046] Such as Figure 7 As shown, this embodiment includes a cover plate 301 and four columns 304 respectively located on the lower surface of the cover plate 301, and also includes a terrain simulation plate 309, an active push-pull plate 314 and a door closer 315, and the adjacent two described The side walls of the columns 304 are provided with adjustment blocks 311, and each adjustment block 311 is provided with inferior arc grooves 312. The two side walls at one end of the terrain simulation board 309 are respectively hinged with the remaining two side walls of the columns 304. The two side walls of the other end of the terrain simulation board 309 are respectively provided with screw rods, and the screw rods move through the inferior arc groove 312 on the same side as the screw rods, and a matching locking head 313 is provided on the outer end of the screw rods, The cover plate 301 is provided with an open opening for the passing of the block stone 303, the housing of t...

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PUM

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Abstract

The invention discloses a device for simulating the instability and damage of a collapsed rockfill body, which comprises a simulation box and a base. There are two arc-shaped slots on the inner peripheral wall of the bearing plate along the circumference of the bearing plate. The clamping block is slidably arranged in the arc-shaped slot. The upper end of the clamping block protrudes from the upper end surface of the arc-shaped slot. The sliding slot The two ends communicate with the lower ends of the two arc-shaped grooves respectively, and a ejector rod is provided on the output end of the upper cylinder, and the upper end of the ejector rod is hinged with an elastic metal strip, and a positioning groove is respectively opened in the middle of the two end faces of the vibrating cylinder , each positioning groove is provided with a driving cylinder, and a pin is connected to the output end of the driving cylinder. This program is used to simulate the stability of accumulations under different topographical conditions, record and analyze the corresponding experimental data, and then formulate corresponding measures to deal with accumulations under different topographical conditions to reduce losses caused by the collapse of accumulations .

Description

technical field [0001] The invention relates to a rockfill body slide simulation experiment, in particular to an indoor experimental device for simulating a secondary geological disaster source after an earthquake—the instability and destruction of a collapsed rockfill body. Effective implementation of rock mass instability protection measures. Background technique [0002] There is a common type of secondary geological disaster source in the southwestern region of my country where earthquakes occur frequently---collapsed rock-fill bodies, which are usually precipitous rock groups in mountainous areas that are triggered by strong earthquakes to collapse and slide, and large-scale rockfalls accumulate on the slope corners of the mountain made. Collapsed rockfills have the characteristics of significant material structure differentiation, random accumulation shape, loose accumulation metastable, sudden collapse and collapse, etc., which often bring great safety hazards to adja...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/04
Inventor 郭亮张军伟王保权李婧铷刘太鹏纪佑军张巧向莹曲宏略陈秋雨黄璐宋昊旻
Owner SOUTHWEST PETROLEUM UNIV
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