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Three-dimensional composite drainage network

Product name: Three-dimensional composite drainage net composite unit area mass: g/m2 ≥1400 Non-woven fabric unit area mass: g/m2 ≥200 Composite thickness: mm ≥7.0 Mesh core thickness: mm ≥5.0 Composite longitudinal tensile strength: KN/m ≥18.0 Transverse tensile strength of composite: KN/m ≥15.0 Tensile strength of mesh core: KN/m ≥15.0 Peel strength between vertical and horizontal mesh core and non-woven fabric: KN/m ≥0.3

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    Description

    三维复合排水网产品特点:

    1、排水能力强,能承受长期高压荷载;

    2、极高的抗拉强度和抗剪强度;
    3、减少土工织物嵌入网芯的机率,能保护长期稳定的导水率; 
    4、三维复合排水网能承受大于2000kpa的压缩荷载;
    5、远大于普通排水网的抗压能力。

    三维复合排水网产品特性:

    1、当荷载为720kPa,梯度为2%时,渗透率2500m/d,流率13pm/m。

    2、蠕变试验在承受1200kPa荷载10000小时后,保留着超过60%的厚度。

    3、三肋排水网芯碳黑含量不小于2%,密度0.94g/cm3,抗拉强度不小于36.5kN/m,熔融指数1.0 g/10min,厚度7.6mm。

    4、无纺土工织物表观孔径0.18mm,透水率0.26 Sec-1,渗透率0.2cm/sec,刺破强度580N,梯形撕裂强度356 N,握持拉伸强度900 N,握持延展强度50% , 爆裂强度2750kPa。

    三维复合排水网产品应用:

    主要用于垃圾填埋场、路基和隧道内壁。

    三维复合排水网施工方法:

    1、调整土工合成材料的方向,使材料卷的长度方向垂直于道路。 
    2、复合土工排水网必须端接,相邻土工网芯上的土工布沿着材料卷搭接。 
    3、把相邻的土工材料卷的土工网芯用白色或黄色的塑料扣或聚合物带子连接起来,从而连接材料卷。沿着材料卷的长度方向,每隔3英尺用带子连接一次。 
    4、搭接的土工织物的方向要与填料堆放的方向一致。若土工材料铺设在地基/基层和底基层之间,要进行连续楔形焊接、平头焊接或缝合,使搭接的土工织物上层得到固定。如果缝合,推荐使用平头缝法或一般缝法,以达到针脚长度的实惠要求。

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