The Study of the Triaxial Rheological Test of the Argillaceous Siltstone in Malin Mine

Author:

Bai Qi Shu1,Xia Yuan You1,Liu Xin Xi2,Yang Zi Han2

Affiliation:

1. Wuhan University of Technology

2. Changsha University of Science and Technology

Abstract

Abstract. Coal being one of the main energy resources in China. Coal industry plays an important role in the domestic economy. Roadway support is a key technology in coal mining, and the mechanical properties of surrounding rock directly affect the stability of roadways and their supporting structure. In order to solve the problem of gateway support for C8 coal seam, In terms of the rheological data got from the argillaceous siltstone samples and the influence that loading history has on rock deformation, it employs Burgers model to reflect the creep characteristics of rock. The analytical results demonstrate that the creep test curves of rock sample basically tallies with the theoretical curves and Burgers clearly describes the creep characteristics of rocks. The relationship between surrounding rock stress and surrounding rock deformation provides roadway support with reasonable evidence.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference8 articles.

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2. Adachi T, Takase A. Predicton of long term strength of soft sedimentary rock[A]. In: Proc. of int . Symp. on Weak Rock[C]. [s. l]: [s. n. ], 1981, 1: 93~98.

3. Hayano K, Matsmoto M. Study of triaxial creep testing method and model for creep deformation on sedimentare soft rocks{A}. In: Proc . of the 29th Symp. Of Rock Mech[C]. [s. l. ]: [s. n. ], 1999, 8~14.

4. Cao Shugang, Xian Xuefu: Chinese Journal of Rock Mechanics and Engineering, vol. 817-821 (2001) , p.20. In Chinese.

5. Liu Tongyou, Zhou Chengpu. Problem of strata control of mining process in Jinchuan nickel ore. [M]. Lanzhou: Lanzhou university press, 1996. In Chinese.

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