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首页> 外文期刊>Journal Of The South African Institute Of Mining & Metallurgy >Technical and economic assessment of subsurface rock mass deformation and pore pressure monitoring using a network of wireless devices
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Technical and economic assessment of subsurface rock mass deformation and pore pressure monitoring using a network of wireless devices

机译：使用无线设备网络进行地下岩体质量变形和孔隙压力监测的技术和经济评估

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摘要

Steepening of slopes provides the means to reduce waste extraction and increase ore recovery in open pit mines; however, it may also adversely affect safety by posing a higher risk of slope failure. The implementation of slope monitoring programmes is recommended to manage this risk inherent in steeper slopes. In this paper, the design and evaluation of monitoring campaigns to measure subsurface deformation and groundwater pore pressure in open pit mines is presented. The monitoring programmes were applied to a theoretical case of an open pit mine designed using DeepMine software (BOAMine SpA, 2015). Mine plans were developed based on the initial base case scenario with monitoring programmes considered for four types of monitoring instrumentation: two established technologies, in-place inclinometers (IPIs) and vibrating wire piezometers (VWPs); one emerging technology, the ShapeAccelArray (SAA); and a novel technology under development, the Enhanced Networked Smart Markers (ENSMs). Technical and economic appraisals of the monitoring programmes and sensitivity analysis of the developed mine plans showed that using ENSMs spaced every 4 m had the lowest cost per unit of data gathered.
机译：斜坡陡峭提供了减少废物萃取和增加露天矿井矿石恢复的手段;然而，通过造成更高的坡度故障风险，它也可能产生不利影响的安全性。建议实施坡度监测程序，以管理陡峭斜坡中固有的这种风险。本文介绍了监测运动的设计和评估，以测量露天坑洼地区地下变形和地下水孔隙压力。将监测计划应用于使用Deepmine软件（Boamine Spa，2015）设计的露天矿的理论情况。矿山计划是基于初始基本案例方案开发，具有考虑四种类型的监控仪器的监测程序：两种建立的技术，就地倾角肌（IPIS）和振动电线压力计（VWP）;一个新兴技术，shapeaccelarray（Saa）;和开发的新技术，增强的网络智能标记（ENSMS）。发达的矿山计划监测计划和敏感性分析的技术和经济评估表明，每4米每单位数据的最低成本，使用ENSMS的ensms。

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