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土工布土工格栅的混合作用机理

   2024-05-06 4370

 土工布具有加筋、排水、反滤、防护、隔离.
    土工格栅具有:
    1)高抗拉强度、低延伸率
    2)无长期蠕变
    3)热稳定性
    4)与沥青混合的相容性
    5)物理化学稳定性
    6)集料嵌锁和限制.
    土工布和土工格栅混合后具有土工格栅的强度和土工布的柔韧性。土工布通过吸收沥青材料后形成的一个结构层,具有防水耐热和耐腐的物理特性,并具有抗拉强度高、膨胀系数低,韧性好,没有长期蠕变性,便于施工;其与沥青混合料层复合后明显提高其抗低温缩裂,耐高温车辙、抗疲劳开裂、延缓反射性裂缝,从而延长路面的使用寿命。

 
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