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An experimental test method for crushing deformation of extruded side walls

A technology of extruding side walls and testing and testing, which is applied in the application of stable tension/pressure to test the strength of materials, preparation of samples for testing, and measurement devices, etc., which can solve the problems of less research and achieve simple operation, Effects of Intuitive Deformation Behaviour

Active Publication Date: 2019-11-22
XIAN UNIV OF TECH
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As the extrusion side wall construction technology is widely used in high face rockfill dam projects, engineering circles are concerned about the construction technology of the extrusion side wall, the operation characteristics and crushing problems of the extrusion side wall, and the numerical simulation analysis of the extrusion side wall. Researches have been carried out to varying degrees on related scientific issues such as the method, the impact of extrusion side walls on the stress deformation and cracks of concrete panels, but the research is still relatively small.

Method used

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  • An experimental test method for crushing deformation of extruded side walls
  • An experimental test method for crushing deformation of extruded side walls
  • An experimental test method for crushing deformation of extruded side walls

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Embodiment Construction

[0051] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0052] A kind of test testing method of crushing deformation of extruded side wall of the present invention, specifically implement according to the following steps:

[0053] Step 1, making an extruded side wall specimen with a trapezoidal cross-section, specifically implemented in accordance with the following steps:

[0054] Step 1.1, making mold A, using mold A and concrete to make an extruded side wall specimen;

[0055] The structure of the mold A is as follows: figure 1 As shown, the base plate a10 is included, and the base plate a10 is provided with a first baffle plate 6, a second baffle plate 7, a third baffle plate 8 and a fourth baffle plate 9 which are sequentially connected end to end to form a trapezoid, and the first baffle plate 6 and the fourth baffle plate The angle between the second baffle 7 is 144.5°, the angle between ...

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Abstract

The invention discloses a testing method for fragmentation and deformation of an extruded sidewall. The testing method comprises the following steps: preparing an extruded sidewall test piece, a paneltest piece and a panel-extruded sidewall-cushion material test piece used for testing; then fixing an axial deformation sensor and a circumferential deformation sensor on the panel-extruded sidewall-cushion material test piece and connecting the axial deformation sensor and the circumferential deformation sensor with a triaxial tester; then delivering the test piece connected with the sensors into a pressure chamber; and setting the testing parameters of the triaxial tester and carrying out fragmentation and deformation testing. The testing method provided by the invention can accurately andvisually reflect the deformation condition of the extruded sidewall under stress.

Description

technical field [0001] The invention belongs to the technical field of water conservancy engineering, and in particular relates to a test method for crushing deformation of an extruded side wall. Background technique [0002] It has become an inevitable trend for face rockfill dams to develop from 200m dam heights to 300m dam heights. Scholars such as Ma Hongqi, Xu Zeping, and Yang Zeyan believe that "improving the prediction level of dam stress and deformation, developing more detailed simulation methods, and improving The precision of numerical simulation” is a key scientific issue to be further studied in the development stage of concrete face rockfill dams from 200m dam height to 300m dam height. [0003] As the extrusion side wall construction technology is widely used in high face rockfill dam projects, engineering circles are concerned about the construction technology of the extrusion side wall, the operation characteristics and crushing problems of the extrusion sid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/08G01N1/28G01N1/36
CPCG01N1/286G01N1/36G01N3/08G01N2001/366G01N2203/0019G01N2203/0087G01N2203/0256
Inventor 王瑞骏李阳程金标赵云
Owner XIAN UNIV OF TECH
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