土工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)鋪(pu)設施工(gong)(gong)(gong)(gong)(gong)簡便(bian)，減少(shao)運輸量，降低工(gong)(gong)(gong)(gong)(gong)程造(zao)價(jia)，縮(suo)短了工(gong)(gong)(gong)(gong)(gong)期(qi)。土工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)用(yong)土工(gong)(gong)(gong)(gong)(gong)織物(wu)代替(ti)顆粒材料作(zuo)為土工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)保(bao)護(hu)層，以保(bao)護(hu)土工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)防滲層不受(shou)損壞，降低墊層粒徑的(de)級配要(yao)求(qiu)，并(bing)能起排水等作(zuo)用(yong)。土工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)磨擦(ca)系數大，能防止覆蓋(gai)層的(de)滑移，土工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)中的(de)無(wu)紡布有較大的(de)摩擦(ca)系數，土工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)可使坡比增加減少(shao)占(zhan)地面(mian)積(ji)。土工(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)的(de)抗拉、撕裂、頂破(po)、穿(chuan)刺等力學(xue)強度(du)較高(gao)。

　　在(zai)施(shi)(shi)工(gong)(gong)方案(an)的約束(shu)和(he)(he)指引(yin)下(xia)，土工(gong)(gong)膜的工(gong)(gong)程參數、材料(liao)的質量(liang)(liang)(liang)標準(zhun)和(he)(he)施(shi)(shi)工(gong)(gong)規范，對(dui)施(shi)(shi)工(gong)(gong)隊伍、監理單位的二次(ci)質量(liang)(liang)(liang)檢測(ce)結果進(jin)行分析和(he)(he)審(shen)核，對(dui)取樣質量(liang)(liang)(liang)檢測(ce)的標準(zhun)進(jin)行認(ren)定，確保土工(gong)(gong)膜材料(liao)能(neng)夠達到工(gong)(gong)程要求的質量(liang)(liang)(liang)標準(zhun)。一般情況(kuang)下(xia)，對(dui)土工(gong)(gong)膜材料(liao)的檢測(ce)應從以下(xia)3個(ge)方面入(ru)手：

　　1、書面檢驗

　　書面檢驗(yan)是指在(zai)材(cai)料采購時(shi)對材(cai)料的質量合(he)格證和(he)試驗(yan)報告等書面資(zi)料進行審核，確保(bao)材(cai)料的質量得(de)到了認定。

　　2、外觀檢測

　　外觀檢(jian)測是(shi)指(zhi)質(zhi)量檢(jian)測人員通(tong)過理論(lun)知識和經(jing)驗對土(tu)工(gong)膜的品種、規格、外形尺寸進行檢(jian)驗，查(cha)看其(qi)是(shi)否存在質(zhi)量問題。

　　3、理化檢驗

　　利用物(wu)理和(he)化學(xue)手段檢(jian)測(ce)土(tu)工膜的(de)(de)物(wu)理和(he)化學(xue)性質，確保其性質符合(he)工程的(de)(de)要求(qiu)。理化檢(jian)測(ce)手段雖然(ran)關鍵(jian)，但(dan)外觀檢(jian)測(ce)也很(hen)重要，例如(ru)，留(liu)邊不(bu)合(he)格、褶皺、荷葉(xie)邊等都屬(shu)于外觀上的(de)(de)質量(liang)不(bu)合(he)格，是影響土(tu)工膜施(shi)工質量(liang)的(de)(de)關鍵(jian)因素。