复合土工膜:
复合土工膜技术指标
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项目
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400
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500
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600
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700
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800
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900
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1000
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备注
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膜材厚度(mm)
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0.25-0.35 0.3-0.5
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断裂强度(KN/m)
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5
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7.5
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10.0
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12.0
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14.0
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16.0
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18.0
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纵横向
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断裂伸长率(%)
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30-100
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30-100
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30-100
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30-100
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30-100
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30-100
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30-100
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纵横向
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CBR顶破强力
(KN>)
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1.1
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1.5
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1.9
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2.2
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2.5
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2.8
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3.0
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撕破力(KN>)
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0.15
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0.25
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0.32
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0.4
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0.48
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0.56
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0.62
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纵横向
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剥离强度(N/cm)
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6
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6
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6
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6
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6
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6
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6
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纵横向
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渗透系数(cm/s)
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K×10¹¹¹³
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K×10¹¹¹³
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K×10¹¹¹³
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K×10¹¹¹³
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K×10¹¹¹³
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K×10¹¹¹³
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K×10¹¹¹³
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