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首页> 外文期刊>Pure and Applied Geophysics >The Permeability of an Intact Granite
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The Permeability of an Intact Granite

机译：完整花岗岩的渗透率

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The permeability of intact Barre granite is determined by conducting transient hydraulic pulse tests that induce radial flow in saturated granite cylinders containing a water-filled co-axial cavity. Saturated specimens of granite are also subjected to uniform heating on the outer cylindrical surface and the permeability of the granite is measured at the termination of a heating sequence. The theoretical basis for the use of simplified analytical solutions for evaluating the decay of the pressure pulse is examined and the permeability of the granite in the pre-heating and post-heating states is inferred from the results of pulse tests. The reported investigations document one of the limited numbers of large-scale laboratory tests conducted to determine the permeability characteristics of intact granite. The results of the permeability measurements indicate the absence of any appreciable influences of micro structural alterations in the fabric of the granite due to its heating in a saturated condition, at an average temperature of 140 °Celsius.
机译：完整的Barre花岗岩的渗透性是通过进行瞬态水力脉冲试验确定的，该试验会在包含充水同轴腔的饱和花岗岩圆柱体中引起径向流动。花岗岩的饱和试样也要在圆柱外表面上均匀加热，并在加热程序结束时测量花岗岩的渗透率。检查了使用简化分析解决方案评估压力脉冲衰减的理论基础，并根据脉冲测试的结果推断了花岗岩在预热和后热状态下的渗透率。报告的调查记录了为确定完整花岗岩的渗透性而进行的有限数量的大型实验室测试之一。渗透率测量的结果表明，由于在平均温度为140摄氏度的饱和条件下加热，花岗岩织物中的微观结构没有受到任何明显影响。

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