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Gold Science and Technology >

2021 , Vol. 29 >Issue 4: 620 - 628

DOI: https://doi.org/10.11872/j.issn.1005-2518.2021.04.170

Mining Technology and Mine Management

Teaching and Training of Mine Roof Fall Accident Based on VR Technology

  • Zhenyu NIE , 1, 2 ,
  • Keping ZHOU , 1, 2 ,
  • Zhipeng LIANG 1, 2
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  • 1. School of Resources and Safety Engineering，Central South University，Changsha 410083，Hunan，China
  • 2. Research Center for Mining Engineering and Technology in Cold Regions，Central South University，Changsha 410083，Hunan，China

Received date: 2020-09-24

  Revised date: 2021-03-30

  Online published: 2021-10-08

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Highlights

In order to improve the efficiency of VR training for non-coal mine roof fall，based on Unity3D，3DMax and Visual Studio 2019 software，a mine roof fall accident teaching and training platform has been developed including three modules：Pre-training，hidden rock recognition training and disaster site escape training.The platform uses 3DMax modeling software and Unity3D engine to complete the mining VR environment modeling，through the HTC VIVE equipment to complete the interaction between trainees and the mine virtual environment，using virtual coaches for demonstration teaching.Firstly，train the trainees through the mine knowledge question bank to improve the trainees’ cognition level of the mine，and then use the virtual coach to guide the trainee to identify and clear the hidden rock blocks and escape from the disaster site.The comparison of the training effect of the virtual coach and the traditional UI text was carry out，and the trainees will be tested on the disaster scene and the effect evaluation of the VR virtual coach training platform will be completed.The results showed that the average time of escape for trainees trained by virtual coach was 192.9 s，and the average time for trainees trained by UI text was 238.1 s.The latter was 45.2 s longer than the former.The test were repeated one week later. The average time of the trainees who trained by virtual coach was 224.7 s，and the average time of the trainees who used UI text training was 290.9 s.The latter was 66.2 s longer than the former.At the same time，compare to the first test，the escape time of trainees using virtual coach training increased by 16.5%，while the escape time of trainees using UI text training increased by 22.2%.The test results show that the VR technology-based non-coal mine roof fall teaching and training platform can promote the trainees to maintain a longer-term memory of the training content，and the overall training efficiency is higher than UI text teaching，which can effectively improve the trainees’ safety awareness and emergency response capabilities.Interviews with trainees show that the use of virtual coach training can better guide trainees’ attention，create an atmosphere of real-person teaching，and have good promotion and application value.

Cite this article

Zhenyu NIE , Keping ZHOU , Zhipeng LIANG . Teaching and Training of Mine Roof Fall Accident Based on VR Technology[J]. Gold Science and Technology, 2021 , 29(4) : 620 -628 . DOI: 10.11872/j.issn.1005-2518.2021.04.170

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据2021年8月31日报道，紫金矿业哥伦比亚大陆黄金项目获批4 000 t/d技改生产计划许可（PTO），项目建设取得重要进展。大陆黄金核心资产武里蒂卡金矿，为全球超高品位大型金矿，于2021年初启动技改扩建，技改完成后项目采选矿量将从3 000 t/d提升至4 000 t/d；技改项目将同时优化工艺，大幅提升环境生态效益。

该项目获得了哥伦比亚当地的高度认可和大力支持，各项工程进展顺利。选矿厂技改土建基础工程完成约98%，钢结构安装工作完成68%，设备安装完成率约23%，计划10月份调试并投产。随着井下开拓力量进一步增强，掘进速度将持续提高，项目将力争12月实现达产。

紫金矿业大陆黄金项目是哥伦比亚第一座生态绿色、环境友好、造福社会的现代化矿山，项目于2021年6月建成并启用了哥伦比亚最先进的水处理厂。目前，项目正全面推进矿区复垦和地质灾害治理工作，为矿山可持续发展持续努力。

http://www.goldsci.ac.cn/article/2021/1005-2518/1005-2518-2021-29-4-620.shtml

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