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首页> 外文期刊>The Journal of the Textile Institute. 1, Fibre Science and Textile Technology >Effect of dynamic loading on pore size of needlepunched nonwoven geotextiles
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Effect of dynamic loading on pore size of needlepunched nonwoven geotextiles

机译：动态载荷对针刺非织造土工布孔径的影响

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摘要

Nonwoven geotextiles are widely employed in civil engineering applications for the functions of separation, filtration, drainage and protection. These functions are highly dependent upon pore size as it is one of their major requirements and it becomes more critical when geotextile is subjected to a compressional load. In this study, the effect of loading cycles on the compressional characteristics has been investigated by two parameters, i.e. compressional (α) and recovery (β) (Kothari and Das, 1992, 1994). The effect of process parameters, i.e. feed rate, depth of needle penetration and stroke frequency on the pore size has also been reported. Furthermore, the relationship between fabric area density and pore size has been discussed.
机译：非织造土工布广泛用于土木工程应用中，具有分离，过滤，排水和保护的功能。这些功能高度依赖于孔径，因为孔径是它们的主要要求之一，并且当土工织物承受压缩载荷时，它变得尤为关键。在这项研究中，已经通过两个参数来研究加载周期对压缩特性的影响，即压缩（α）和恢复（β）（Kothari and Das，1992，1994）。还已经报道了工艺参数的影响，即进料速度，针刺深度和冲程频率对孔径的影响。此外，已经讨论了织物面积密度和孔径之间的关系。

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