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Geotechnical and Geological Engineering

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03-06-2016 | Original Paper

Compression Creep Characteristics and Creep Model Establishment of Gangue

Authors: Wei-yao Guo, Yun-liang Tan, Tong-bin Zhao, Xiao-ming Liu, Qing-heng Gu, Shan-chao Hu

Published in: Geotechnical and Geological Engineering | Issue 4/2016

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Abstract

How to describe the compression creep behavior of gangue is very essential for the design of gangue backfilling mining. In this paper, compression tests of two kinds of gangue are studied, finding that logarithmic function is suitable for describing its equal-time stress–strain relationship. Stress–strain–time relationship is proposed through modifying the Singh–Mitchell creep model based on the analysis of the test result, and this model can provide a design basis for gangue backfilling technology. Back analysis indicates that this model can basically describe the creep behavior of gangue with a few parameters that are easy to be determined. This research can provide a reference on the design of gangue backfilling mining, and on the subsidence value estimation.

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Title: Compression Creep Characteristics and Creep Model Establishment of Gangue
Authors: Wei-yao Guo
Yun-liang Tan
Tong-bin Zhao
Xiao-ming Liu
Qing-heng Gu
Shan-chao Hu
Publication date: 03-06-2016
Publisher: Springer International Publishing
Published in: Geotechnical and Geological Engineering / Issue 4/2016
Print ISSN: 0960-3182
Electronic ISSN: 1573-1529
DOI: https://doi.org/10.1007/s10706-016-0038-2

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