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首页> 外文会议>GeoShanghai International Conference; 20060606-08; Shanghai(CN) >Performance Evaluations of Surface Structure Modified Nonwoven Geotextiles
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Performance Evaluations of Surface Structure Modified Nonwoven Geotextiles

机译：表面结构改性非织造土工布的性能评估

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摘要

Plasma treatment was applied to PVA needle-punched geotextiles, PP needle-punched geotextiles, PP general filters, PP heat-bonded geotextiles, and PET spun-bonded geotextiles. For hydrophobic treatment, C_2F_6 gas was used and the electric power, the plasma treated time, and the gas flow rate were 100, 200, and 300 watt, 1, 5, and 10 min, and 40 and 60 sccm, respectively. From the experimental results, tensile strength of nonwoven geotextiles increased after plasma treatment except PP general filters and PP heat-bonded geotextiles, but the permittivities of all specimens were not changed. Peak shear stress and the residual shear stress of nonwoven geotextiles except PP general filters and PP heat-bonded geotextiles were examined and frictional coefficients and angle were increased. Peak shear stress and the residual shear stress of nonwoven geotextiles except PP general filters and PP heat-bonded geotextiles were examined and frictional coefficients and angle were increased.
机译：等离子体处理应用于PVA针刺土工布，PP针刺土工布，PP通用过滤器，PP热粘合土工布和PET纺粘土工布。对于疏水处理，使用C_2F_6气体，电功率，等离子体处理时间和气体流速分别为100、200和300瓦，1、5和10分钟，以及40和60 sccm。从实验结果来看，经过等离子处理后的非织造土工布的拉伸强度除PP通用过滤器和PP热粘合土工布外有所增加，但所有样品的介电常数均未改变。除了PP通用过滤器和PP热粘合土工布以外，非织造土工布的峰值剪切应力和残余剪切应力均得到检查，并且摩擦系数和角度均增加。除了PP通用过滤器和PP热粘合土工布以外，非织造土工布的峰值剪切应力和残余剪切应力都得到了检查，并且摩擦系数和角度都增加了。

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