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Influence of microfossils and pyrites on the behaviour of oceanbed sediments

机译：微化石和黄铁矿对海床沉积物行为的影响

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An attempt has been made to investigate the microfabric and mineralogical features of marine sediments collected from the north-east coastal region of Singapore. A limited laboratory studies on shear strength, consolidation and chemical analysis were carried out to examine the geotechnical characteristics of marine sediments. Emphasis has been focussed on the microfabric aspects of microfossils (diatom) and pyrite, and their influence on the soil properties. Test results indicated the predominant presence of microfossils (diatom) and pyrite, and their impact on the marine sediments behaviour has been discussed briefly. The abundant presence of microfossils results in an increase in strength, compressibility and hydraulic conductivity due to the presence of large voids between the skeleton structures.
机译：已尝试调查从新加坡东北沿海地区收集的海洋沉积物的微结构和矿物学特征。对剪切强度，固结和化学分析进行了有限的实验室研究，以检查海洋沉积物的岩土特性。重点已放在微化石（硅藻）和黄铁矿的微结构方面，以及它们对土壤特性的影响。测试结果表明，主要存在着微化石（硅藻）和黄铁矿，并简要讨论了它们对海洋沉积物行为的影响。由于骨架结构之间存在大的空隙，微化石的大量存在导致强度，可压缩性和水力传导性的增加。

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