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    • 36. 发明公开
    • EARTHEN LINER WITH CLAY SEAM COVER
    • 带粘土密封盖的土工衬垫
    • EP1234078A1
    • 2002-08-28
    • EP00972199.4
    • 2000-10-16
    • GSE LINING TECHNOLOGY INC.
    • MATHIESON, Michael, C.
    • E02D31/00
    • D06H5/00E02D31/004Y10T428/19Y10T428/197
    • A geosynthetic liner (10) may be formed of sheets (12) of substantially liquid impermeable synthetic material such as high density polyethylene. The adjacent edges (27, 29) of adjacent sheets (12) may be lapped over one another to form a lapped joint (28). The lapped joint (28) may be covered by a relatively narrow seam cover (22) which seals the region between the two sheets (12). The cover (22) may be formed of a geomembrane layer (26) over a clay layer (24). The clay layer (24) may be formed of particles of bentonite which are adhesively secured to the geomembrane layer (26). Thus, the geomembrane liner seam may be sealed by simply unrolling the cover (22) over the lapped joint (28) and covering the sheets (12) and the cover (22) with a layer of overburden (14).
    • 土工合成衬垫(10)可以由基本上不透液体的合成材料如高密度聚乙烯的片材(12)形成。 相邻片材(12)的相邻边缘(27,29)可以彼此重叠以形成搭接接头(28)。 搭接接头(28)可以由密封两个片材(12)之间的区域的相对窄的接缝盖(22)覆盖。 覆盖物(22)可以由粘土层(24)上的土工膜层(26)形成。 粘土层(24)可以由粘结固定在土工膜层(26)上的膨润土颗粒形成。 因此,土工膜衬里接缝可通过简单地将覆盖物(22)展开在搭接接头(28)上并用覆盖层(14)覆盖板(12)和覆盖物(22)来密封。