?　　土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)應(ying)(ying)用(yong)(yong)非常廣(guang)泛(fan)(extensive)，施(shi)工(gong)(gong)(gong)(gong)(gong)中遇到(dao)問(wen)題(ti)如(ru)何解決(jue)也是(shi)(shi)個(ge)問(wen)題(ti)。HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)是(shi)(shi)目前垃圾衛生填埋(mai)場應(ying)(ying)用(yong)(yong)廣(guang)泛(fan)(extensive)的土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo),它是(shi)(shi)由高分(fen)子聚乙烯通過(guo)吹塑(一種發(fa)展迅速的塑料(liao)加工(gong)(gong)(gong)(gong)(gong)方法)或平擠(ji)制成(cheng)的防(fang)(fang)滲材料(liao)，具(ju)有很強(qiang)的耐(nai)久性。 ? 　　土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)脹(zhang)冷縮變(bian)形較大(da)(da)，因此在施(shi)工(gong)(gong)(gong)(gong)(gong)中應(ying)(ying)留出材料(liao)的熱(re)脹(zhang)冷縮變(bian)形伸(shen)(shen)縮（伸(shen)(shen)出和縮進 比(bi)喻在一定限度內的變(bian)通)量(liang)(liang)。HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)當(dang)天鋪設當(dang)天完(wan)成(cheng)，盡量(liang)(liang)減少皺褶及拖移(yi)，同時不宜拉得過(guo)緊，否則會因局部(bu)(bu)（part)變(bian)形而產生的應(ying)(ying)力過(guo)大(da)(da)，造成(cheng)HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)破(po)(po)壞。 ? 　　在滲濾液碎(sui)石(shi)導排(pai)層(ceng)(ceng)施(shi)工(gong)(gong)(gong)(gong)(gong)過(guo)程(cheng)(cheng)中對(dui)HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)的保護(hu)問(wen)題(ti)。滲濾液導排(pai)層(ceng)(ceng)一般選用(yong)(yong)卵(luan)石(shi)或碎(sui)石(shi)等(deng)材料(liao)，厚度不應(ying)(ying)小于30cm，由于垃圾填埋(mai)區(qu)面積大(da)(da)，碎(sui)石(shi)攤(tan)鋪的工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)量(liang)(liang)非常大(da)(da)，如(ru)何解決(jue)在HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)上(shang)(shang)碎(sui)石(shi)運(yun)輸(shu)、攤(tan)鋪過(guo)程(cheng)(cheng)中而防(fang)(fang)止(zhi)產生破(po)(po)壞HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)的問(wen)題(ti)非常關鍵（解釋:比(bi)喻事物的重要組(zu)成(cheng)部(bu)(bu)分(fen))。在本(ben)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)中經過(guo)多次現(xian)場試(shi)驗(yan)，采用(yong)(yong)分(fen)區(qu)施(shi)工(gong)(gong)(gong)(gong)(gong)的作(zuo)業方式，以每鋪設4片膜(mo)(mo)(mo)作(zuo)為一個(ge)作(zuo)業單(dan)元，在HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)上(shang)(shang)鋪設5mm厚鋼板作(zuo)為材料(liao)運(yun)輸(shu)通道，按(an)一定間距鋪設1.5米厚度以上(shang)(shang)的碎(sui)石(shi)便道，然后在便道上(shang)(shang)使用(yong)(yong)挖(wa)掘(jue)（excavate)機(ji)(ji)由里到(dao)外攤(tan)鋪碎(sui)石(shi)。通過(guo)防(fang)(fang)滲漏(seepage)檢測，這種施(shi)工(gong)(gong)(gong)(gong)(gong)措(cuo)施(shi)（指針對(dui)問(wen)題(ti)的解決(jue)辦法)對(dui)HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)保護(hu)效果(guo)較好，極少損壞HDPE土(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)(mo)。 ? 　　聯系人：羅先生 手(shou)機(ji)(ji)(Mobile)： 免費熱(re)線：400-6080-995 辦公電話： 辦公傳真：0514-83410860