Development of an advanced rock support technology for rockburst-prone mines
Development of an advanced rock support technology for rockburst-prone mines
批准号:
461108-2013
负责人:
Cai, Ming
金额:
$3.91万
依托单位国家:
加拿大
项目类别:
Collaborative Research and Development Grants
财政年份:
2014
资助国家:
加拿大
项目状态:
已结题
起止时间:
2014-01-01 至 2015-12-31
中文摘要
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英文摘要
As mining progresses to deep grounds, mining-induced rock failure, seismicity and rockburst problems increase significantly. As an important line of defense, ground control measures and burst-resistant rock support are used to prevent or minimize damage to excavations and enhance workplace safety. Existing rock support technologies use a two-pass system, i.e., standard support in the form of rebar with mesh or shotcrete is installed in the first pass when the drift is excavated. At a later time, the crew will install the burst-resistant yielding support in the second pass. This two-pass system slows down drift development significantly. In addition, the cost of rock support is high because extra boreholes need to be drilled as labor cost constitutes the highest cost item in ground support.
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依托单位:
Stand-up Time of Jointed Rock Masses in Underground Excavations
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依托单位:
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财政年份:2014
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负责人:Cai, Ming
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依托单位:
A study of post-peak behaviour of rocks and pillar instability in deep underground mines
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批准号:249620-2011
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项目类别:Discovery Grants Program - Individual
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资助金额:$1.73万
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财政年份:2014
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负责人:Cai, Ming
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依托单位:
A study of post-peak behaviour of rocks and pillar instability in deep underground mines
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批准号:249620-2011
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项目类别:Discovery Grants Program - Individual
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资助金额:$1.73万
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财政年份:2013
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负责人:Cai, Ming
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依托单位:
Advanced engineering of rock support for rockburst-prone mines
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批准号:418932-2011
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项目类别:Collaborative Research and Development Grants
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资助金额:$8.38万
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负责人:Cai, Ming
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依托单位:
A study of post-peak behaviour of rocks and pillar instability in deep underground mines
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批准号:249620-2011
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项目类别:Discovery Grants Program - Individual
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资助金额:$1.73万
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财政年份:2012
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负责人:Cai, Ming
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依托单位:
Advanced engineering of rock support for rockburst-prone mines
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批准号:418932-2011
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项目类别:Collaborative Research and Development Grants
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资助金额:$8.91万
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财政年份:2011
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负责人:Cai, Ming
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依托单位:
A study of post-peak behaviour of rocks and pillar instability in deep underground mines
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批准号:249620-2011
-
项目类别:Discovery Grants Program - Individual
-
资助金额:$1.73万
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财政年份:2011
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负责人:Cai, Ming
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依托单位:
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