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Geotechnical and Geological Engineering

, Volume 37, Issue 5, pp 4491–4502 | Cite as

Physical Simulation Experimental Study on Fault Activation based on Total Station Polar Coordinate Method

  • Xufeng Liu
  • Peipeng ZhangEmail author
  • Long Yuan
  • Jianpeng Wang
  • Yang Zhao
Original Paper
  • 48 Downloads

Abstract

Based on the observation principle of total station polar coordinate method, this paper studies the development rule of the fault zone fracture when the working face is pushed from the footwall to the normal fault, and analyzes the fault activation sequence, time and slippage of different fault layers. The results show that the facture firstly generates at the high-level of the fault, gradually develops to the low-level and eventually connects to the gob. In the meantime, the fracture experiences the process from scaling to decreasing to closing. Fault activation is a dynamic continuous process that occurs firstly at the high-level, and gradually develops to the low-level, eventually spreads to the whole fault. The footwall strata subsidence is larger than the hanging wall’s. The fault slipping tendency is similar to the footwall subsiding tendency. The footwall strata migrate more violently than the hanging wall. The fault begins to activate when the distance between the working face and the fault (L0) is 50 m. The fault activation mainly occurs at the high and middle levels when L0 is larger than 20 m, but the low-level activation is primary when L0 is less than 20 m. The fault slippage is the largest when L0 is less than 10 m where the fault activates violently. Therefore, the control of the low-level activation disasters should be strengthened.

Keywords

Fault activation Tensile fracture Polar coordinate method Physical simulation 

Notes

Acknowledgements

The work presented in this paper was financially jointly supported from the National Natural Science Foundation of China (Grant no, 51574155);Taian Science and Technology Development Plan(201560699),The science and technology Project of the key technology for production safety major accidents prevent of State Administration of Work Safety(2017, gaoxiao-0005-2017AQ),Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents(2016RCJJ034).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Xufeng Liu
    • 1
  • Peipeng Zhang
    • 1
    • 2
    Email author
  • Long Yuan
    • 1
  • Jianpeng Wang
    • 1
  • Yang Zhao
    • 1
  1. 1.State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and TechnologyShandong University of Science and TechnologyQingdaoChina
  2. 2.Department of Resources and Civil EngineeringShandong University of Science and TechnologyTaianChina

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