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Journal of Central South University

, Volume 25, Issue 12, pp 2871–2882 | Cite as

Optimizing process of preparing artificial-similar material for rocky slope with uniform formula design

  • Tian-cheng Fan (范天成)
  • Chuan-bo Zhou (周传波)Email author
  • Nan Jiang (蒋楠)
  • Ting-yao Wu (吴廷尧)
Article
  • 11 Downloads

Abstract

The determination of material formula needs try-and-error experiment, and consumes large amount of time and fund. In order to solve the problem, a comprehensive method is established, via the experiment of artificial-similar material formula of a mine slope. We controlled the samples by the compactness, and arranged the formula of the test group with the method of the uniform formula experiment. The physical and mechanical parameters of these samples were analyzed using the method of the partial least-squares regression (PLS). And a mathematical model of the indexes of physical and mechanics parameters relating to the factors of formulation constituents was established eventually. We used the model to analyze the effect of each formulation constituent on physical and mechanics parameters of samples. The experiment results and analysis illustrates that 1) in the formulation of similar material, the effect of raw materials on the internal friction angle φ and cohesion C is opposite; 2) The method can highly facilitate the process of the of preparing artificial-similar materials, more economic and effective.

Key words

fault artificial-similar material optimization uniform formula experiment multiple independent variable and multiple dependent variable partial least-squares regression 

基于均匀配方设计的岩质边坡相似材料制备过程优化

摘要

由于相似材料的最终配比,需要通过大量的物理试验才能够获得,这样会耗费大量的时间与资 金,为了解决这个问题,结合工程实际,开展关于矿山边坡的相似材料配比试验,建立一种综合试验 分析方法。在试验过程中,通过制样时试样的压实度来控制试样的密度,同时利用正交试验,对试验 方案进行设计。然后,基于偏最小二乘回归分析(PLS)法,对试样的物理力学参数进行综合分析。 最后,将组成相似材料的主要成分作为主要分析因素,建立一个数学模型,分析得到相似材料的配比 成分对于试样物理力学参数的影响。通过分析,得出以下结论:1)在相似材料的配比试验中,相似 材料的每一个主要成分对于试样内摩擦角的与粘聚力的影响效果,是存在相反关系的。2)该种分析 方法提高了配比试验开展的效率,减少了试验开展所需的费用,有利于试验经济高效的进行。

关键词

人工相似材料 优化 均匀配方试验 偏最小二乘回归 

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Notes

Acknowledgements

The work was finished with the help of many people, especially CHEN Dong, LI Ren-chao, WU Ting-yao, CHEN Si-yuan, CAI Jia-yuan and Zhou Jia-quan, who assisted with the experiment operation, the teachers, LI Ming and SU Yun, who put forward the helpful suggestions.

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Copyright information

© Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Departerment of EngineeringChina University of Geosciences (Wuhan)WuhanChina

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