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首页> 外文会议>Sixth International Colloquium on Ageing of Materials and Methods for the Assessment of Lifetimes of Engineering Plant, Apr 30-May 4, 2001, Cape Town/South Africa >THE USE OF SMARTBOLT TECHNOLOGY TO ASSESS THE CONDITION OF MINING ROOF SUPPORT SYSTEMS
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THE USE OF SMARTBOLT TECHNOLOGY TO ASSESS THE CONDITION OF MINING ROOF SUPPORT SYSTEMS

机译：使用SMARTBOLT技术评估矿顶支持系统的条件

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摘要

Rockbolting is essential for providing roof support in mining operations, particularly in deeper operations where strain is greater. Smartbolt technology utilises steel compositions that change from a non-magnetic phase to a ferromagnetic phase as the material undergoes straining. Peak strain levels experienced in the material correspond directly with the percentage of ferromagnetism, hence monitoring the relative amount of ferromagnetic content will indicate the level of strain obtained. The smartbolt acts as a sensor and strain levels can be monitored using a portable magnetic probe instrument. To verify the technology, underground trials have been performed at several mines in which bolts have been monitored over a period of several months. Results are discussed in the context of the mining industry's needs.
机译：锚固技术对于在采矿作业中提供顶板支撑至关重要，尤其是在应变较大的较深作业中。 Smartbolt技术利用随材料应变而从非磁性相变为铁磁性相的钢成分。材料中经历的峰值应变水平直接与铁磁性的百分比相对应，因此，监视铁磁含量的相对量将指示所获得的应变水平。智能螺栓充当传感器，可以使用便携式磁探针仪监测应变水平。为了验证该技术，已在数个矿山进行了地下试验，并在几个月内对螺栓进行了监控。在采矿业需求的背景下讨论了结果。

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