復(fu)(fu)合防滲(shen)技(ji)術已廣(guang)泛(fan)應用(yong)(yong)于水利水電工(gong)程(cheng)、堤防渠道工(gong)程(cheng)、水庫加固防滲(shen)等(deng)(deng)方面，取得(de)了良(liang)好的(de)經濟效(xiao)益和(he)社會效(xiao)益。近(jin)幾年(nian)來，河南(nan)(nan)省廣(guang)泛(fan)采用(yong)(yong)作(zuo)為南(nan)(nan)水北調工(gong)程(cheng)渠道防滲(shen)措(cuo)施，取得(de)了良(liang)好防滲(shen)效(xiao)果。本文將復(fu)(fu)合防滲(shen)技(ji)術的(de)應用(yong)(yong)施工(gong)過程(cheng)中(zhong)的(de)質量控制加以總結(jie)，分(fen)別在復(fu)(fu)合的(de)選擇施工(gong)技(ji)術、工(gong)藝要求，鋪(pu)設接縫方法、質量控制等(deng)(deng)方面進行(xing)了初步(bu)探討。

或(huo)復(fu)(fu)合的(de)(de)(de)焊(han)接、粘結、槽(cao)中拼(pin)接、周邊(bian)錨著(zhu)、頂(ding)部(bu)連(lian)接鋪(pu)設工(gong)(gong)藝，認為(wei)；的(de)(de)(de)接拼(pin)應盡量避免拾遺(yi)補(bu)缺，尤其是焊(han)接工(gong)(gong)藝，應盡量減少漏焊(han)、虛焊(han)一(yi)(yi)條焊(han)縫有(you)(you)多次停頓；在(zai)(zai)(zai)槽(cao)中搭接時(shi)(shi)，兩幅(fu)膜應盡量貼緊(jin)；對于水(shui)(shui)頭高、膜較厚，或(huo)可(ke)能發生較大(da)位移的(de)(de)(de)情況，膜與基巖或(huo)混凝土(tu)(tu)(tu)(tu)連(lian)接時(shi)(shi)，應盡可(ke)能要用(yong)螺栓連(lian)接，并(bing)留有(you)(you)變形(xing)余幅(fu)；必須(xu)(xu)高度(du)重(zhong)視土(tu)(tu)(tu)(tu)膜施(shi)工(gong)(gong)質(zhi)量標準；施(shi)工(gong)(gong)人(ren)員必須(xu)(xu)能夠根據施(shi)工(gong)(gong)條件處置(zhi)各種復(fu)(fu)雜(za)情況。邊(bian)坡穩(wen)定分析采(cai)(cai)用(yong)平衡法。斜坡上的(de)(de)(de)選用(yong)加(jia)糙的(de)(de)(de)。下(xia)支(zhi)持層(ceng)采(cai)(cai)用(yong)弱透水(shui)(shui)性(xing)(xing)材料(liao)(liao)。施(shi)工(gong)(gong)時(shi)(shi)清場、鋪(pu)設、熱熔(rong)焊(han)接、膜保護的(de)(de)(de)措施(shi)要完善。在(zai)(zai)(zai)水(shui)(shui)利防(fang)(fang)(fang)(fang)滲(shen)(shen)工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)中，為(wei)了進一(yi)(yi)步(bu)提高工(gong)(gong)程(cheng)(cheng)的(de)(de)(de)施(shi)工(gong)(gong)質(zhi)量，保障工(gong)(gong)程(cheng)(cheng)的(de)(de)(de)防(fang)(fang)(fang)(fang)滲(shen)(shen)性(xing)(xing)能，施(shi)工(gong)(gong)時(shi)(shi)可(ke)采(cai)(cai)取防(fang)(fang)(fang)(fang)滲(shen)(shen)復(fu)(fu)合土(tu)(tu)(tu)(tu)工(gong)(gong)膜施(shi)工(gong)(gong)法，利用(yong)復(fu)(fu)合土(tu)(tu)(tu)(tu)工(gong)(gong)膜來(lai)(lai)(lai)輔助工(gong)(gong)程(cheng)(cheng)防(fang)(fang)(fang)(fang)水(shui)(shui)，增強(qiang)工(gong)(gong)程(cheng)(cheng)防(fang)(fang)(fang)(fang)滲(shen)(shen)性(xing)(xing)。另外，在(zai)(zai)(zai)復(fu)(fu)合土(tu)(tu)(tu)(tu)工(gong)(gong)膜施(shi)工(gong)(gong)中，必須(xu)(xu)要嚴格控(kong)制其鋪(pu)設質(zhi)量，通過(guo)測評手段來(lai)(lai)(lai)土(tu)(tu)(tu)(tu)工(gong)(gong)膜材料(liao)(liao)本身(shen)以土(tu)(tu)(tu)(tu)工(gong)(gong)膜施(shi)工(gong)(gong)的(de)(de)(de)質(zhi)量，水(shui)(shui)利工(gong)(gong)程(cheng)(cheng)防(fang)(fang)(fang)(fang)滲(shen)(shen)的(de)(de)(de)穩(wen)定性(xing)(xing)。作(zuo)為(wei)一(yi)(yi)個水(shui)(shui)資源(yuan)緊(jin)張(zhang)，在(zai)(zai)(zai)農(nong)業(ye)生產中由渠(qu)道(dao)造成的(de)(de)(de)水(shui)(shui)資源(yuan)浪費也較為(wei)嚴重(zhong)，因此在(zai)(zai)(zai)目前的(de)(de)(de)社會發展中實現(xian)渠(qu)道(dao)的(de)(de)(de)節水(shui)(shui)、節能和防(fang)(fang)(fang)(fang)滲(shen)(shen)。土(tu)(tu)(tu)(tu)工(gong)(gong)膜作(zuo)為(wei)渠(qu)道(dao)工(gong)(gong)程(cheng)(cheng)中常(chang)見(jian)的(de)(de)(de)材料(liao)(liao)結構(gou)之一(yi)(yi)，越(yue)來(lai)(lai)(lai)越(yue)受(shou)到人(ren)們的(de)(de)(de)青睞。復(fu)(fu)合土(tu)(tu)(tu)(tu)工(gong)(gong)膜在(zai)(zai)(zai)農(nong)村(cun)渠(qu)道(dao)防(fang)(fang)(fang)(fang)滲(shen)(shen)加(jia)固(gu)處理(li)中的(de)(de)(de)應用(yong)，采(cai)(cai)用(yong)復(fu)(fu)合土(tu)(tu)(tu)(tu)工(gong)(gong)膜對農(nong)村(cun)渠(qu)道(dao)進行防(fang)(fang)(fang)(fang)滲(shen)(shen)加(jia)固(gu)改(gai)造，技術可(ke)行、經濟合理(li)、防(fang)(fang)(fang)(fang)滲(shen)(shen)效果良(liang)好，具有(you)(you)較大(da)的(de)(de)(de)推廣應用(yong)價值。