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首页> 外文期刊>Journal of Energy Engineering >Permeability and Consolidation Characteristics of Compacted Fly Ash
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Permeability and Consolidation Characteristics of Compacted Fly Ash

机译：压实粉煤灰的渗透性和固结特性

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Detailed testing regarding geotechnical utilization was carried out on fly ash from the Dadri thermal power station. The chemical composition and physical properties of the fly ash were determined. The morphology of the fly ash particles was studied by scanning electron microscopy. An X-ray diffraction test was also conducted. The geotechnical testing program included the classification tests, the compaction test, the consolidation test, and the permeability test. The influence of the head loss across the specimen, the effective stress, and the void ratio on the permeability was studied. The paper explains the details and results of the tests, especially those of the consolidation and permeability behaviors. The results showed that the coefficients of permeability and consolidation of the compacted fly ash were comparable to those of nonplastic silts. The variation in head loss across the specimen had only a small influence on the coefficient of permeability. Even at a high effective stress there was no appreciable reduction in the coefficient of permeability. The consolidation and permeability characteristics of the Dadri fly ash have been compared with those of some other Indian fly ashes. The geotechnical utilization of the Dadri fly ash has been explained through illustrative examples.
机译：关于岩土工程利用的详细测试是在达德里热电厂的粉煤灰上进行的。测定了飞灰的化学组成和物理性质。用扫描电子显微镜研究了粉煤灰颗粒的形态。还进行了X射线衍射测试。岩土测试程序包括分类测试，压实测试，固结测试和渗透性测试。研究了试样上的水头损失，有效应力和空隙率对渗透率的影响。本文解释了测试的细节和结果，尤其是固结和渗透性的测试结果。结果表明，压实粉煤灰的渗透系数和固结系数与非塑性粉砂相当。整个试样的水头损失的变化对渗透系数的影响很小。即使在高有效应力下，渗透系数也没有明显降低。已将达德里粉煤灰的固结和渗透特性与其他印度粉煤灰的固结和渗透特性进行了比较。已经通过说明性实例说明了达德里粉煤灰的岩土利用。

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