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首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Liquefaction behaviour of loose and compacted pond ash
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Liquefaction behaviour of loose and compacted pond ash

机译：疏松压实池塘灰的液化行为

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Most of the ash produced all over the world is primarily disposed off by wet disposal method onto the ash ponds, which are occupying huge valuable lands. This disposal problem can be minimized by utilizing ash in large geotechnical earthworks. However, its use in earthquake prone areas requires thorough understanding of its liquefaction resistance and nature of development of excess pore pressures under dynamic loading conditions. Investigations have been carried out in this paper on the liquefaction behaviour of pond ash by conducting cyclic triaxial tests on inflow and outflow ash samples collected from two different ash ponds. Distinctly different liquefaction phenomenon was observed for the ash samples from inflow and outflow points of the same ash pond. Inflow samples exhibited higher cyclic resistance than outflow samples and their strengths were comparable with the natural sands. Further studies revealed that the influence of various factors on liquefaction susceptibility of both the types of ashes is similar to that of natural sands.
机译：全世界产生的大多数灰烬主要通过湿法处置方法排入占据巨大宝贵土地的灰池。通过在大型岩土工程中利用灰分可以最大程度地减少这种处置问题。但是，在地震多发地区使用它需要透彻了解其抗液化性以及在动态载荷条件下产生的超高孔隙压力的性质。本文通过对从两个不同的灰池收集的流入和流出灰渣样品进行循环三轴试验，对池灰的液化行为进行了研究。从同一灰池的流入点和流出点观察到的灰分样品的液化现象截然不同。流入样品显示出比流出样品更高的循环阻力，其强度与天然砂相当。进一步的研究表明，各种因素对两种类型的灰分的液化敏感性的影响与天然砂相似。

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