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首页> 外文期刊>Fibres & textiles in Eastern Europe >Optimisation of Operational Parameters for Nonwoven Sheaths of Water Absorbing Geocomposites in Unsaturated Soil Conditions
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Optimisation of Operational Parameters for Nonwoven Sheaths of Water Absorbing Geocomposites in Unsaturated Soil Conditions

机译：不饱和土壤条件下吸水土工复合材料非织造护套操作参数的优化

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摘要

This study analyses tests influencing the selection of nonwovens for water absorbing geocomposites. The task of the nonwoven is to capture water infiltrating into the soil and to direct it to the superabsorbent located inside. The best results in the tests of water permeability (88 mm/s) and water absorption (1116.85 g/m(2)) were obtained for nonwoven of the lowest surface weight - 112.8 g/m(2) and the largest average pore diameter- 206.5 mu m. The lowest water absorption capacity (478.91 g/m(2)) and the smallest thickness changes under a load (19.3%) was noted in needle-punched nonwoven that had been subject to the calandering process. For one nonwoven, the presence of other sigMficant fractions was noted, which proves that it is-heterogeneous. For nonwovens applied in the unsaturated zone, not only water permeability should be taken into account, but also the size and fraction distribution of pores, in order to avoid breaking the continuity of capillaries.
机译：本研究分析了影响吸水性土工复合材料非织造布选择的测试。非织造材料的任务是捕获渗入土壤的水并将其引导至位于内部的超吸收剂。对于表面重量最低-112.8 g / m（2）和最大平均孔径最大的无纺布，在水渗透性（88 mm / s）和吸水率（1116.85 g / m（2））的测试中获得了最佳结果-206.5微米在经过压延处理的针刺无纺布中，吸水率最低（478.91 g / m（2）），在负载下厚度变化最小（19.3％）。对于一种非织造布，注意到存在其他sigMficant馏分，这证明它是异质的。对于在不饱和区域中使用的非织造布，不仅应考虑透水性，而且还应考虑孔的尺寸和分数分布，以避免破坏毛细管的连续性。

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  • 来源
    《Fibres & textiles in Eastern Europe》 |2016年第3期|110-116|共7页
  • 作者

    Lejcus Krzysztof; Dabrowska Jolanta; Grzybowska-Pietras Joanna; Garlikowski Daniel; Lejcus Iwona; Pawlowski Andrzej; Spitalniak Michal;

  • 作者单位

    Wroclaw Univ Environm & Life Sci, Fac Environm Engn & Geodesy, Inst Environm Engn, Pl Grunwaldzki 24, PL-50363 Wroclaw, Poland;

    Wroclaw Univ Environm & Life Sci, Fac Environm Engn & Geodesy, Inst Environm Engn, Pl Grunwaldzki 24, PL-50363 Wroclaw, Poland;

    Univ Bielsko Biala, Fac Mat & Environm Sci, Inst Civil Engn, Ul Willowa 2, PL-43309 Bielsko Biala, Poland;

    Wroclaw Univ Environm & Life Sci, Fac Environm Engn & Geodesy, Inst Environm Engn, Pl Grunwaldzki 24, PL-50363 Wroclaw, Poland;

    Natl Res Inst, Wroclaw Branch, Inst Meteorol & Water Management, Ul Parkowa 30, PL-51616 Wroclaw, Poland;

    Wroclaw Univ Environm & Life Sci, Fac Environm Engn & Geodesy, Inst Environm Engn, Pl Grunwaldzki 24, PL-50363 Wroclaw, Poland;

    Wroclaw Univ Environm & Life Sci, Fac Environm Engn & Geodesy, Inst Environm Engn, Pl Grunwaldzki 24, PL-50363 Wroclaw, Poland;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    nonwovens; water absorbing geocomposites; water retention; erosion; water scarcity;

    机译：无纺布;吸水土工复合材料;保水力;侵蚀;缺水;

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