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Experiment device and method of rainfall side slope model under lateral non-uniform loading condition

A model experiment and non-uniform technology, which is applied in the direction of material inspection and soil material testing, etc., can solve the problems of large difference between kinetic energy and actual rainfall, single external influencing factors, and difficult adjustment of bracket fixing, so as to achieve rapid adjustment of rainfall intensity and operation And the effect of easy operation and stable pressure value

Active Publication Date: 2017-05-24
XIAN CHANGQING TECH ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the current problems in the slope rainfall model test, such as the single external influence factor, the simulation does not conform to the actual deformation characteristics of the slope, the difficult adjustment of the bracket fixing, the large difference between the kinetic energy and the actual rainfall, and the difficulty in regulating the rainfall intensity.

Method used

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  • Experiment device and method of rainfall side slope model under lateral non-uniform loading condition
  • Experiment device and method of rainfall side slope model under lateral non-uniform loading condition
  • Experiment device and method of rainfall side slope model under lateral non-uniform loading condition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] This embodiment provides a figure 1 The shown rainfall slope model experimental device under the condition of lateral non-uniform loading includes a model box 1, and the model box 1 is a cubic box surrounded by side plates 22, front plates 11, baffle plates 19 and back plates 21 connected end to end body, the bottom of the model box 1 is a bottom plate 24, the top is open, and it is characterized in that: it also includes a rainfall simulation system and a lateral non-uniform loading system, the rainfall simulation system is installed on the top of the model box 1, and the lateral non-uniform loading system consists of The hydraulic equipment 5 located outside the model box 1, the oil cylinder support 6 and the pressure plate 2 located in the model box 1, the hydraulic equipment 5 is connected to the oil cylinder support 6 through the pressure hose 35, and the oil cylinder support 6 is installed on the outer wall of the side plate 22 Above, the piston 37 on the oil cyli...

Embodiment 2

[0039] On the basis of Example 1, such as figure 1 As shown, the base plate 24 is welded with a cubic metal frame 12, the side plates 22, the front plate 11, the baffle plate 19 and the back plate 21 are fixedly attached to the four sides of the metal frame 12, and the four plates and the metal frame The gap between 12 is filled with sealant, and a vertical support 7 is arranged between the front panel 11 and the back panel 21, and the vertical support 7 is welded on the metal frame 12. A coordinate grid 13 is provided on the panel 11 .

[0040] The metal frame 12 of the model box 1 adopts welding treatment, and the side plate 22 is made of steel plate, which is welded and fixed on the side of the model box 1, and a vertical support 7 is arranged in the middle of the front of the model box 1, which is welded in the metal frame 12, and the front panel 11 Made of tempered glass, several holes are drilled around the front panel 11, connected to the model box 1 with bolts, the su...

Embodiment 3

[0042] On the basis of Example 2, the rainfall simulation system includes channel steel 15, rainfall support 16, water supply pipeline 18, water tank 40, electromagnetic pipeline switch 41, voltage stabilizer 42, water meter 43 and electric flow regulating valve 44;

[0043] The channel steel 15 is fastened on the top of the metal frame 12 by bolts, the rain bracket 16 is welded on the back of the channel steel 15, the water supply pipeline 18 is fixedly arranged on the top of the rainfall bracket 16, and several spray holes are arranged at equal intervals on the water supply pipeline 18 38, the end of the water supply pipeline 18 is connected to the water pump 39, the water pump 39 extends into the water tank 40, the electromagnetic pipeline switch 41, the voltage stabilizer 42, the water meter 43 and the electric flow regulating valve 44 are sequentially connected in series on the water supply pipeline 18, Electromagnetic pipeline switch 41 is located at one end close to wate...

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Abstract

The invention provides an experiment device and a method of a rainfall side slope model under lateral non-uniform loading conditions. The experiment device comprises a model box, a lateral non-uniform loading system and a rainfall system, wherein the lateral non-uniform loading system is arranged on the left side of the model box; the rainfall system is arranged at the top of the model box; the lower end of a pressing plate in the lateral non-uniform loading system is hinged to the bottom of the model box; the left side of the upper end of the pressing plate is hinged to an oil cylinder piston which is mounted on an oil cylinder support base; under the action that a piston is pushed by hydraulic equipment to move, the pressing plate can be controlled to rotate around a connecting rod support base at the lower end. By adopting a lateral non-uniform loading mode, the characteristics that an upper part has large displacement and a lower part has small displacement in the deformation process of a side slope are achieved, and actual deformation characteristics of the side slope are relatively really simulated. Through simultaneous rainfall and lateral non-uniform loading simulation, the side slope deformation degree, the infiltration depth and the position of a sliding surface can be tested under different rainfall types and different lateral non-uniform loading conditions. The problems that single external influence factors are available and actual side slope deformation is not met in conventional artificial rainfall simulation tests can be effectively solved.

Description

technical field [0001] The invention belongs to the technical field of geotechnical engineering testing, and in particular relates to a rain slope model experimental device under the condition of lateral non-uniform loading, which is used for the model of the rain slope under the condition of lateral non-uniform loading in the field of slope engineering Experimental Research. Background technique [0002] Landslide is a common geological disaster, its frequency and severity are astonishing. my country is a mountainous country with frequent landslides, causing huge losses to industrial and agricultural production and people's lives, and some even devastating disasters. Landslide research has always been the research focus in the field of disasters, and rainfall is one of the main factors that induce landslides. In-depth study of the law of slope instability under rainfall conditions has important theoretical significance and engineering practical value for landslide disaste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 王治军潘俊义朱桥川苏健周鹏刘加文杨鹏赵胜杰李荣建张真
Owner XIAN CHANGQING TECH ENG
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