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引用次数: 0
摘要
摘要:Singareni Collieries Company Limited (SCCL)计划将露天项目的深度从目前的250米提高到400米。对于成功的作业和预采过程中地层行为的预测得到了认可。在这个方向上，SCCL与澳大利亚CSIRO合作，与一家领先的研究提供商合作。作为这些研究的一部分，为了满足生成所需数据以进行数值模拟的要求，组织了广泛的计划，以进行不同的物理机械性能(PMP)测试。鉴于此，建议在SCCL和NIRM实验室进行不同的测试。由此产生的数据进行了统计分析，以便将其用于澳大利亚CSIRO的数值模拟。本文对组织不同试验过程中产生的数据进行了综合和讨论。本文讨论了在产生所需的土壤和岩石力学数据以评估基坑边坡，内部排土场和OB排土场稳定性的方法。
Soil and Rock Mechanics Investigations for the Assessment of Strata Behaviour of an Opencast Coal Mine
Abstract: The Singareni Collieries Company Limited (SCCL) planned for deepening the Opencast projects from the present depth of 250m to 400m. For successful operation and forecasting of strata behaviour in pre-mining was recognized. In this direction, SCCL had tie-up with CSIRO, Australia to work jointly, with a lead research provider. As part of these studies, to meet the requirement of generating needy data to conduct Numerical Modelling, extensive program was organized to take up different Physico Mechanical Properties (PMP) tests. In light of this, different tests suggested were taken up in SCCL and NIRM laboratories. The data thus generated were analyzed statistically to make use of the same for Numerical Modelling by CSIRO, Australia. The data generated during the course of organizing different tests, are synthesized and discussed in this paper. The paper deals with the methodology evolved in generation of desired soil and Rock Mechanics data to assess the stability of pit slopes, internal dump and OB dumps.
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