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Secondary Water Saturation of a Carboniferous Rock Mass in a Abandoned Mines as the Cause Behind the Changes in Geomechanical Conditions and State of Hazards in Active Mines of the Upper Silesian Coal Basin

机译:废弃地雷中石炭系岩体的二次水饱和度作为地质力学条件的变化背后的原因和上部Silesian煤池的活跃矿区的危险状态

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Mining activity, from the phase of exploration of the rock mass to the end of exploitation and abandonment of the mine, causes destruction of the rock mass and its dewatering This is the resulting in changes of the original geomechanical properties of rocks and their strengthening during and after dewatering. These changes, in turn, affect the formation and an increase in number of manifestations of the main natural hazards (fire, gas, induced seismicity and rock bursts). The current mining situation in the Upper Silesian Coal Basin (USCB) causes that the active and abandoned mines coexist in the close vicinity. The process of flooding of the abandoned mines is ongoing up to re-saturation of rocks with water. It changes the geomechanical, and thus form the hazardeous conditions. Some hazards (fire, gas, tremors and rock bursts) are limited, on the other hand among other hazards, it occurs an increase in symptoms (hazards: uncontrolled methane escapes, water, environmental, common like sinkhole, and other geomechanical ones, e.g. collapse). The reason for these changes, e.g. in the case of water hazards, may be the changes in the geomechanical properties of rocks, and conditions of safety measures, for example safety pillars or water dams. As presented in the article on the example of a safety pillar, the results of geomechanical research can be used for the design of safety measures.
机译:从岩石勘探阶段到结束挖掘和遗弃矿井的挖掘活动,导致破坏岩石质量及其脱水这是导致岩石原始地质力学性质的变化及其在期间的加强脱水后。反过来,这些变化影响了主要自然灾害(火,气体,诱导地震性和岩爆)的表现数量和增加。上部煤炭盆地(USCB)目前的采矿情况导致主动和废弃的矿山在近距离附近共存。废弃地雷的洪水的过程正在持续到岩石与水重新饱和。它改变了地质力学,从而形成了危险条件。在其他危险(火灾,天然气,震颤和摇滚爆裂)在其他危险中,它发生症状的增加(危险:不受控制的甲烷逃离,水,环境,普通池,以及其他地质力学,例如坍塌)。这些变化的原因,例如这些变化。在水灾害的情况下,可能是岩石地质力学性质的变化,以及安全尺寸的安全措施条件,例如安全柱或水坝。如在安全柱的示例的文章中,地质力学研究的结果可用于设计安全措施。

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