Experimental Investigation of the Influence of Drilling Arrangements on the Mechanical Behavior of Rock Models

Original paper


Destress drilling method is one of the commonly used methods for mitigating rock bursts. To better understand the influence of drilling arrangements on the destress effect is beneficial for rock burst mitigation. This study experimentally investigated the influence of drilling arrangements (i.e. drilling diameter, number of drilling holes and number of drilling rows) on the mechanical properties of rock models through uniaxial compression tests. The acoustic emission (AE) technique was applied to record and analyze the information of failure processes. Test results show that both the stress–strain curves and the AE characteristics of rock models are controlled by drilling arrangements. Moreover, the uniaxial compressive strength and elastic modulus decrease as increasing the drilling diameter, number of drilling holes or number of drilling rows. The splitting failure accompanied with local shear failure is the main failure mode for specimens with different drilling arrangements, but the drilling arrangements influence the crack propagation and the damage degree. The test results can provide basic experimental data for further study on the destress drilling method.


Destress drilling Large-diameter drilling Drilling arrangement Mitigation Rock burst 



The research described in this paper was financially supported by State Key Research Development Program of China (No. 2016YFC0801401), National Natural Science Foundation of China (Nos. 51604165, 51674160, 51474137), Tai’shan Scholar Engineering Construction Fund of Shandong Province of China, Taishan Scholar Talent Team Support Plan for Advantaged & Unique Discipline Areas. The authors thank the peer reviewers and Editors for their valuable comments and suggestions, which have greatly improved the manuscript.


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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  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.College of Mining and Safety EngineeringShandong University of Science and TechnologyQingdaoChina
  3. 3.National Demonstration Center for Experimental Mining Engineering EducationShandong University of Science and TechnologyQingdaoChina

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