排(pai)水(shui)盲施(shi)(shi)工(gong)，防水(shui)板施(shi)(shi)施(shi)(shi)工(gong)縫(feng)防水(shui)處理(li)的(de)方案，地(di)(di)道(dao)防水(shui)是地(di)(di)道(dao)工(gong)程(cheng)施(shi)(shi)工(gong)質(zhi)量的(de)*個重要環節*同也是操作技(ji)能冗雜，施(shi)(shi)工(gong)難度較大(da)的(de)環節之(zhi)，歷來被大(da)家所重視，因而(er)，各個項目(mu)地(di)(di)道(dao)的(de)防水(shui)施(shi)(shi)工(gong)應根據此方案和應視本地(di)(di)水(shui)文(wen)地(di)(di)質(zhi)條件因地(di)(di)制宜地(di)(di)采用(yong)“以排(pai)為主(zhu)，防，排(pai)，截，堵相結合"的(de)綜合治(zhi)理(li)原則。

　　1.防水(shui)(shui)層(ceng)鋪(pu)設(she)(she)(she)，防水(shui)(shui)板在(zai)洞(dong)外寬暢(chang)，平整的場地上裁(cai)剪(jian)下料，選用(yong)(yong)(yong)雙焊縫(feng)主動焊接(jie)機焊接(jie)成幅，轎車運至洞(dong)內(nei)，通(tong)(tong)過(guo)防水(shui)(shui)板作業臺架(jia)，選用(yong)(yong)(yong)無(wu)(wu)釘孔鋪(pu)設(she)(she)(she)技能鋪(pu)設(she)(she)(she)，防水(shui)(shui)層(ceng)鋪(pu)設(she)(she)(she)前先切除前期支護表面(mian)的顯露錨桿頭(tou)，并用(yong)(yong)(yong)砂(sha)漿將(jiang)其包裹，對(dui)于凸凹不平處用(yong)(yong)(yong)砂(sha)漿抹(mo)平后，通(tong)(tong)過(guo)防水(shui)(shui)板作業臺架(jia)從拱部(bu)向兩頭(tou)依次固(gu)(gu)定(ding)(ding)無(wu)(wu)紡(fang)布，防水(shui)(shui)板，施工時(shi)先通(tong)(tong)過(guo)PVC墊片(pian)用(yong)(yong)(yong)水(shui)(shui)泥釘固(gu)(gu)定(ding)(ding)無(wu)(wu)紡(fang)布，再選用(yong)(yong)(yong)熱風焊將(jiang)PVC防水(shui)(shui)板與PVC墊片(pian)焊接(jie)結實。

　　2.軟(ruan)式透水(shui)管盲(mang)溝，軟(ruan)式透水(shui)管加工下(xia)料時應(ying)(ying)思(si)考(kao)管接頭預留(liu)長(chang)度(du)，保證環向盲(mang)管兩(liang)頭能充分進(jin)入(ru)縱向盲(mang)溝，透水(shui)管與(yu)噴射混凝土表(biao)面(mian)緊(jin)密接觸，并堅(jian)持必定的懈怠度(du)，不(bu)宜張(zhang)拉過緊(jin)，固定透水(shui)管的顯露錨(mao)釘應(ying)(ying)切除或(huo)以(yi)砂漿抹平，防(fang)止刺破防(fang)水(shui)板，施工中要做好透水(shui)管接頭處理作業，防(fang)止雜(za)物進(jin)入(ru)管道。

　　3.結構縫防水(shui)(shui)在地道環，縱(zong)向施(shi)工縫及沉降縫，往(wang)(wang)往(wang)(wang)是結構防水(shui)(shui)的(de)(de)薄弱環節(jie)，施(shi)工時，在結構縫處(chu)的(de)(de)防水(shui)(shui)板與二(er)襯混凝土之(zhi)間加貼(tie)背(bei)貼(tie)式(shi)PVC止(zhi)水(shui)(shui)帶(dai)，以增強其防水(shui)(shui)才干(gan)，混凝土澆筑時要注意對接(jie)縫處(chu)的(de)(de)搗固，使之(zhi)密實，并不得(de)損(sun)壞止(zhi)水(shui)(shui)帶(dai)或使止(zhi)水(shui)(shui)帶(dai)錯位。

　　屋頂防(fang)(fang)水(shui)工(gong)(gong)程(cheng)(cheng)是較為多(duo)見(jian)的一(yi)項防(fang)(fang)水(shui)堵漏工(gong)(gong)程(cheng)(cheng)，尤其是在雨季，那么，屋頂防(fang)(fang)水(shui)工(gong)(gong)程(cheng)(cheng)是怎樣施工(gong)(gong)的呢(ni)。

　　首(shou)先，需要(yao)進行基面清(qing)理，將損壞的防水層(ceng)拆(chai)除處理平整(zheng)。

　　其次，進行(xing)涂膜施工，之后鋪設高分子防(fang)(fang)水(shui)(shui)(shui)(shui)卷(juan)(juan)材(cai)，這一項最為重要(yao)，要(yao)注(zhu)意屋(wu)頂坡(po)度，防(fang)(fang)水(shui)(shui)(shui)(shui)卷(juan)(juan)材(cai)的搭縫(feng)及檐溝，管道口(kou)，雨(yu)水(shui)(shui)(shui)(shui)口(kou)處的局部防(fang)(fang)水(shui)(shui)(shui)(shui)布處理，如遇女(nv)兒墻時，應(ying)將卷(juan)(juan)材(cai)沿墻上卷(juan)(juan)，高度應(ying)控(kong)制在250mm之下(xia)，并用1:3水(shui)(shui)(shui)(shui)泥(ni)(ni)砂漿做坡(po)水(shui)(shui)(shui)(shui)，凡管道等伸出屋(wu)面的構件必須在屋(wu)頂上開孔時，為了防(fang)(fang)漏水(shui)(shui)(shui)(shui)應(ying)將卷(juan)(juan)材(cai)向上翻(fan)起(qi)，抹以水(shui)(shui)(shui)(shui)泥(ni)(ni)砂漿或再蓋上鍍(du)鋅鐵皮起(qi)擋水(shui)(shui)(shui)(shui)作(zuo)用，泛水(shui)(shui)(shui)(shui)高度不超(chao)過200mm。

　　卷材(cai)防水層應粘結牢(lao)固(gu)，無空鼓(gu)，損(sun)傷，滑移，翹邊，起泡，皺折等缺陷。

　　防(fang)水(shui)層(ceng)施工(gong)完(wan)畢后，必(bi)須作蓄水(shui)試驗(yan)合格(ge)后開始(shi)進行下道工(gong)序。