道橋防水層分(fen)類(lei)

國內道橋(qiao)(qiao)(qiao)施工(gong)(gong)(gong)通常選用具(ju)有(you)(you)(you)一(yi)布四涂(tu)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)、聚氨酯防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)涂(tu)料(liao)(liao)、卷(juan)材(cai)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)、水(shui)(shui)(shui)(shui)溶性防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)等結構的(de)(de)(de)(de)(de)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)材(cai)料(liao)(liao)，這些防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)具(ju)有(you)(you)(you)不(bu)同(tong)的(de)(de)(de)(de)(de)應(ying)(ying)用優(you)勢，也(ye)具(ju)有(you)(you)(you)不(bu)同(tong)的(de)(de)(de)(de)(de)應(ying)(ying)用效(xiao)果，聚氨酯防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)涂(tu)料(liao)(liao)的(de)(de)(de)(de)(de)粘合力比(bi)(bi)較(jiao)好(hao)，能與(yu)混(hun)(hun)凝(ning)(ning)(ning)土(tu)結合良好(hao)，但瀝(li)(li)青混(hun)(hun)凝(ning)(ning)(ning)土(tu)經碾壓后，混(hun)(hun)凝(ning)(ning)(ning)土(tu)中石料(liao)(liao)可能會刮破(po)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)，進(jin)(jin)而對(dui)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)效(xiao)果產生(sheng)不(bu)利(li)影響；一(yi)布四涂(tu)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)具(ju)有(you)(you)(you)較(jiao)高的(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)，這種(zhong)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)應(ying)(ying)用主要(yao)(yao)對(dui)于(yu)施工(gong)(gong)(gong)環(huan)境有(you)(you)(you)利(li)，確保橋(qiao)(qiao)(qiao)面混(hun)(hun)凝(ning)(ning)(ning)土(tu)平整，將(jiang)施工(gong)(gong)(gong)工(gong)(gong)(gong)藝控制好(hao)，使(shi)涂(tu)層(ceng)(ceng)(ceng)實現干燥(zao)；防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)主要(yao)(yao)具(ju)有(you)(you)(you)利(li)于(yu)施工(gong)(gong)(gong)的(de)(de)(de)(de)(de)顯著優(you)勢，對(dui)于(yu)橋(qiao)(qiao)(qiao)面平整度(du)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)沒有(you)(you)(you)過高的(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)，但在(zai)(zai)(zai)橋(qiao)(qiao)(qiao)面若(ruo)產生(sheng)不(bu)同(tong)程度(du)的(de)(de)(de)(de)(de)裂(lie)縫，因防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)不(bu)具(ju)有(you)(you)(you)較(jiao)高的(de)(de)(de)(de)(de)延性，就會對(dui)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)效(xiao)果產生(sheng)嚴(yan)(yan)(yan)重影響；卷(juan)材(cai)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)具(ju)有(you)(you)(you)良好(hao)的(de)(de)(de)(de)(de)抗(kang)拉(la)強(qiang)度(du)與(yu)抗(kang)刺破(po)強(qiang)度(du)，能夠與(yu)混(hun)(hun)凝(ning)(ning)(ning)土(tu)粘結緊密(mi)；高摻量改性瀝(li)(li)青防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)作為性價比(bi)(bi)較(jiao)高的(de)(de)(de)(de)(de)一(yi)種(zhong)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)，集(ji)成了多種(zhong)不(bu)同(tong)防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)優(you)點(dian)，在(zai)(zai)(zai)施工(gong)(gong)(gong)中比(bi)(bi)較(jiao)方(fang)便快捷，在(zai)(zai)(zai)粘結水(shui)(shui)(shui)(shui)泥或瀝(li)(li)青混(hun)(hun)凝(ning)(ning)(ning)土(tu)的(de)(de)(de)(de)(de)性能上都比(bi)(bi)較(jiao)優(you)越(yue)，該防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)價格也(ye)比(bi)(bi)較(jiao)經濟，在(zai)(zai)(zai)道橋(qiao)(qiao)(qiao)施工(gong)(gong)(gong)中比(bi)(bi)較(jiao)適(shi)用。各類防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)在(zai)(zai)(zai)應(ying)(ying)用過程中，要(yao)(yao)在(zai)(zai)(zai)施工(gong)(gong)(gong)中不(bu)斷加(jia)強(qiang)控制關(guan)鍵點(dian)，針對(dui)橋(qiao)(qiao)(qiao)面存(cun)在(zai)(zai)(zai)的(de)(de)(de)(de)(de)混(hun)(hun)凝(ning)(ning)(ning)土(tu)浮漿要(yao)(yao)及時進(jin)(jin)行徹底清除，以免(mian)鋪設防(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)時夾(jia)帶浮沉雜(za)物(wu)，同(tong)時應(ying)(ying)對(dui)施工(gong)(gong)(gong)工(gong)(gong)(gong)藝進(jin)(jin)行嚴(yan)(yan)(yan)格控制，并(bing)結合施工(gong)(gong)(gong)實際需求(qiu)對(dui)進(jin)(jin)場材(cai)料(liao)(liao)的(de)(de)(de)(de)(de)質量進(jin)(jin)行嚴(yan)(yan)(yan)格控制。