麦克排水网垫中(zhong)(zhong)“W”形(xing)(xing)(xing)纵向全断面排(pai)水(shui) 通道(dao)的(de)三维(wei)聚丙烯💦(xi)网垫(dian)与(yu)两(liang)(liang)层(ceng)(ceng)无纺土(tu)工布(bu)通过(guo)热(re)粘(zhan)合(he)作用(yong)(yong)(yong)形(xing)(xing)(xing)成反(fan)滤(lv)(lv)、排(pai)水(shui)、保护(hu) 的(de)三维(wei)排(pai)水(shui)垫(dian)。麦(mai)克排(pai)水(shui)网垫(dian)一般为聚丙烯(xi)材质，上下(xia)复合(he)两(liang)(liang)层(ceng)(ceng)无纺布(bu)起到(dao)过(guo)滤(lv)(lv)作用(yong)(yong)(yong),使得工程(cheng)实际应用(yong)(yong)(yong)中(zhong)(zhong)不(bu)(bu)会有颗粒进(jin)入排(pai)水(shui)通道(dao)内堵(du)塞(sai)通道(dao),以确保土(tu)体构架完善(shan),不(bu)(bu)产生结构变形(xing)(xing)(xing)或坍塌。而在挡墙等有特殊防渗设计要求的(de)工程(cheng)下(xia),可以选(xuan)择复合(he)一层(ceng)(ceng)复合(he)土(tu)工膜(mo)以起到(dao)防渗作用(yong)(yong)(yong)。