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Large-size concrete structure simulation model material and preparation method of same

A technology of concrete structure and simulation model, which is applied in the field of large hydraulic concrete structure and large rock mass structure

Inactive Publication Date: 2017-02-01
KUNMING UNIV OF SCI & TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0005] There are few simulation model materials that meet the above requirements in the prior art

Method used

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  • Large-size concrete structure simulation model material and preparation method of same
  • Large-size concrete structure simulation model material and preparation method of same
  • Large-size concrete structure simulation model material and preparation method of same

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example 1

[0021] Example 1: See attached Figure 1-3 , a large-scale concrete structure simulation model material, including the following components in mass percentage: cement 1.0~3.0%, water 8.0~10.0%, ore powder 10.0~15.0%, barite powder 20~30%, barite sand 45~ 55%.

[0022] The preparation method of the above-mentioned simulation model material comprises the following steps:

[0023] (1) Configure the required ingredients according to the above requirements;

[0024] (2) Then put the configured ore powder, barite powder, barite sand and cement into the mixer and mix evenly;

[0025] (3) Then add the configured water into the mixer and continue stirring evenly;

[0026] (4) Pour the mixture material obtained in step (3) into the mold, vibrate, cast and form, and demould after curing for 24 hours, and then the shaking table model test can be carried out.

[0027] Make the simulation model material test standard specimen (10cm * 10cm * 10cm cube standard compression specimen of the...

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Abstract

The invention relates to a large-size concrete structure simulation model material and a preparation method of same and belongs to the field of constructional engineering. The simulation model material includes, by mass, 1.0-3.0% of cement, 8.0-10.0% of water, 10.0-15.0% of ore powder, 20-30% of barite powder, and 45-55% of barite sand. The preparation method includes the steps of: uniformly mixing the prepared ore powder, barite powder, barite sand and cement in a stirring machine, adding water to the mixture, and continuously stirring the mixture uniformly, and pouring the mixture into a mold to shape the mixture; and maintaining the mixture for 24 h to carry out vibrating bench model test. The simulation model material not only can be used for carrying out a dynamic model test within linear elasticity range but also can be used for carrying out a dynamic damage model test in a non-linear range. The simulation model material is not high in cost, which is as much as the cost of common concrete.

Description

technical field [0001] The invention relates to a simulation model material used only for large-scale concrete structure shaking table dynamic model tests and a preparation method thereof. The simulation model material of the invention is particularly suitable for large-scale hydraulic concrete structures and large rock mass structures, and belongs to the field of construction engineering. Background technique [0002] The mechanical characteristics, geometry, and boundary conditions of large concrete structures are relatively complex, and the structural dynamic characteristics under earthquakes are even more complex. Although the analysis methods of numerical simulation have made some progress in recent years, convincing results are still not available. result. Therefore, it is also necessary to conduct dynamic model tests on large concrete structures. In order to make the model reflect the structure of the prototype correctly, the geometric and physical conditions of the ...

Claims

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Application Information

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IPC IPC(8): C04B28/00
CPCC04B28/00C04B2201/20C04B2201/50C04B2111/00991C04B22/002C04B18/12C04B22/143
Inventor 王铭明马荣峰陈志强李春雷
Owner KUNMING UNIV OF SCI & TECH