Fractal mechanical model of variable mass seepage in karst collapse column of mine-Reference-Cited by-同舟云学术

Fractal mechanical model of variable mass seepage in karst collapse column of mine

Published:2024-02-01 Issue:2 Volume:36 Page:
ISSN:1070-6631
Container-title:Physics of Fluids
language:en
Short-container-title:

Author:

Liu Yang¹^ORCID,Ji Ming¹²^ORCID,Wang Yue³^ORCID,Liu Guannan⁴⁵^ORCID,Gu Pengxiang¹^ORCID,Wang Qiuyu¹^ORCID

Affiliation:

1. School of Mines, China University of Mining and Technology 1 , Xuzhou 221116, Jiangsu, China

2. Key Laboratory of Deep Coal Resources Mining of Ministry of Education, China University of Mining and Technology Xuzhou 2 , Xuzhou 221116, Jiangsu, China

3. Shaanxi Jianxin Coal Chemical Co., Ltd, Yan'an 716000 Shaanxi 3 , China

4. State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology 4 , Xuzhou 221116, Jiangsu, China

5. Mechanics and Civil Engineering Institute, China University of Mining and Technology Xuzhou 5 , Xuzhou 221116, Jiangsu, China

Abstract

Currently, the study of karst collapse column water inrush mechanism often ignores the effect of pore structure, and the traditional fractal seepage model ignores the effect of nonlinear seepage velocity field on model permeability. In order to solve this problem, the fractal seepage theory is combined with variable mass seepage theory, and the influence of seepage velocity field on model permeability is considered. The fractal seepage model of the third flow field of the settling column is established and improved, and the influence of different pore structure parameters and nonlinear seepage parameters on the macroscopic seepage of the settling column is analyzed.

Publisher

AIP Publishing

Link

https://pubs.aip.org/aip/pof/article-pdf/doi/10.1063/5.0187952/19701647/022031_1_5.0187952.pdf

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