Dynamic Borehole Pressure of Geological Material Finite in Radial Extent

Author:

Lu Yunke,Tao Xigui,Chen Yicun,Xu Xiangyu

Abstract

In recent years, the construction of tunnels and subways has increased significantly. Current researches related to the underground engineering always focus on quasi-static force analysis of semi-infinite media, thus it is of great significance to analysis the borehole pressure during tunnel construction. In this paper, a finite cavity expansion model in finite diameter geological media is proposed considering the influence of finite radial extent of geological media and drilling velocity, and theoretical and computational analysis is carried out.

Publisher

EDP Sciences

Subject

General Medicine

Reference6 articles.

1. Hai Sui Yu. Cavity expansion methods in geomechanics. Beijing: Science Press, 2013.

2. An analytical study of tunnel–pile interaction

3. Zhigang Jiang, Dianyi Song and Shouyi Zeng. “A finite cylindrical cavity expansion theory and its application.” Journal of Vibration and Shock 30.04(2011):139-143+204. doi:10.13465/j.cnki.jvs.2011.04.006.

4. Dianyi Song, Fei Liu and Zhigang Jiang. “An analytical model for penetration into cylindrical metallic thick target by rigid sharp-nosed projectiles.” Engineering Mechanics 30.01(2013):31-36.

5. Wang Juan, Junhai Zhao, Jianhua Zhang and Yuan Zhou. “Research on Mechanism and Model of Penetration into Metallic Thick Target Finite in Radial Extent by Rigid Projectile.” Engineering Mechanics 38.07(2021):239-247.

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