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Application of the Averaging Method to Determine the Pore Pressure Transfer Coefficient

机译:平均法在确定孔隙压力传递系数中的应用

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摘要

The problems of underground fluid mechanics devoted to the motion of fluids in pores and cracks of rocks are of interest due to the exploitation of oil fields as well as in the case of long-term water pumping to provide the urban population with water or because of land drainage prior to construction. One of the parameters that affects the stress-strain state of fluid-saturated rock massifs is the pore pressure transfer coefficient used to specify a part of pore pressure transferred to a rock. In this paper a theoretical method for determining this coefficient is developed using the averaging method. This technique is illustrated by means of its finite-element implementation. A dependence of this coefficient on the soil porosity and pore shape as well as on the elastic properties of a rock is analyzed.
机译:地下流体力学致力于流体在孔隙和岩石裂缝中运动的问题,由于油田的开发以及长期抽水为城市人口提供水的原因或施工前先进行土地排水。影响流体饱和岩体应力应变状态的参数之一是孔隙压力传递系数,用于指定传递给岩石的一部分孔隙压力。在本文中,使用平均法开发了一种确定该系数的理论方法。通过其有限元素实现来说明此技术。分析了该系数对土壤孔隙率和孔隙形状以及岩石弹性特性的依赖性。

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  • 来源
    《Moscow University Mechanics Bulletin》 |2015年第2期|34-37|共4页
  • 作者单位

    Moscow State University, Faculty of Mechanics and Mathematics, Leninskie Gory, Moscow, 119899, Russia;

    Moscow State University, Faculty of Geology, Leninskie Gory, Moscow, 119899, Russia;

    Moscow State University, Faculty of Mechanics and Mathematics, Leninskie Gory, Moscow, 119899, Russia;

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