檢查井預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)塑料波(bo)(bo)紋(wen)管(guan)預(yu)留孔道(dao)的(de)(de)(de)(de)沖突(tu)(tu)(tu)系數明顯小(xiao)于(yu)金(jin)(jin)屬波(bo)(bo)紋(wen)管(guan)預(yu)留孔道(dao)的(de)(de)(de)(de)沖突(tu)(tu)(tu)系數，減(jian)小(xiao)了張拉過程中預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)的(de)(de)(de)(de)沖突(tu)(tu)(tu)丟失一般(ban)地，塑料波(bo)(bo)紋(wen)管(guan)的(de)(de)(de)(de)沖突(tu)(tu)(tu)系數取0.14，而(er)金(jin)(jin)屬波(bo)(bo)紋(wen)管(guan)的(de)(de)(de)(de)沖突(tu)(tu)(tu)系數取0.25；預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)塑料波(bo)(bo)紋(wen)管(guan)的(de)(de)(de)(de)強度高，不(bu)怕(pa)踩壓，不(bu)易被振(zhen)搗捧鑿破(po)，其密封功能(neng)(neng)和(he)抗滲漏(lou)(lou)功能(neng)(neng)高于(yu)金(jin)(jin)屬波(bo)(bo)紋(wen)管(guan)，更適用于(yu)真空灌漿(jiang)。預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)波(bo)(bo)紋(wen)管(guan)它的(de)(de)(de)(de)耐腐蝕(shi)(shi)功能(neng)(neng)遠遠優(you)于(yu)金(jin)(jin)屬，不(bu)怕(pa)酸、堿腐蝕(shi)(shi)，它本身不(bu)腐蝕(shi)(shi)，能(neng)(neng)有效地保護(hu)預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)筋不(bu)受(shou)腐蝕(shi)(shi)。許多預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)結構(gou)承受(shou)著(zhu)外界嚴峻的(de)(de)(de)(de)影響，如除(chu)冰鹽或鹽水。當(dang)后張構(gou)件因(yin)為防水層的(de)(de)(de)(de)崩潰、微裂縫漏(lou)(lou)水和(he)排水設施的(de)(de)(de)(de)堵(du)塞(sai)或失效時(shi)，預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)筋就(jiu)會可(ke)能(neng)(neng)受(shou)到腐蝕(shi)(shi)作用。。

克拉管塑料(liao)波(bo)(bo)紋(wen)(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)制(zhi)法簡樸，在有(you)(you)(you)些情(qing)況(kuang)(kuang)下能夠(gou)代替金屬波(bo)(bo)紋(wen)(wen)管(guan)(guan)節(jie)約本錢，價格便宜(yi)，伸縮機能等(deng)特點凸起(qi)金屬波(bo)(bo)紋(wen)(wen)管(guan)(guan)根據加工(gong)形式(shi)的(de)(de)(de)(de)(de)(de)(de)不同可(ke)分(fen)為成(cheng)形波(bo)(bo)紋(wen)(wen)管(guan)(guan)和焊接(jie)波(bo)(bo)紋(wen)(wen)管(guan)(guan)兩(liang)種形式(shi)。控(kong)制(zhi)閥(fa)(fa)上的(de)(de)(de)(de)(de)(de)(de)波(bo)(bo)紋(wen)(wen)管(guan)(guan)所起(qi)的(de)(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)只(zhi)有(you)(you)(you)一(yi)(yi)個——隔離(li)，主要分(fen)三種：一(yi)(yi)種是(shi)防止閥(fa)(fa)內(nei)(nei)介質(zhi)(zhi)擴散(san)到外界，就(jiu)是(shi)針(zhen)對閥(fa)(fa)門(men)內(nei)(nei)所流介質(zhi)(zhi)為化學性(xing)質(zhi)(zhi)活潑或有(you)(you)(you)毒有(you)(you)(you)害的(de)(de)(de)(de)(de)(de)(de)氣體、易(yi)揮發的(de)(de)(de)(de)(de)(de)(de)液體及(ji)珍貴的(de)(de)(de)(de)(de)(de)(de)介質(zhi)(zhi)，例如(ru)氯氣、硅(gui)粉等(deng)等(deng)。但是(shi)塑料(liao)波(bo)(bo)紋(wen)(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)應用(yong)(yong)受(shou)三個因素(su)的(de)(de)(de)(de)(de)(de)(de)限制(zhi)，一(yi)(yi)個是(shi)閥(fa)(fa)門(men)所處環(huan)境的(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)度(du)(du)及(ji)介質(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)度(du)(du)，溫(wen)(wen)度(du)(du)太高輕易(yi)造(zao)成(cheng)波(bo)(bo)紋(wen)(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)老化變形，所以(yi)它的(de)(de)(de)(de)(de)(de)(de)長期使用(yong)(yong)溫(wen)(wen)度(du)(du)一(yi)(yi)般(ban)不超(chao)過180°C，低溫(wen)(wen)情(qing)況(kuang)(kuang)下沒有(you)(you)(you)詳細(xi)要求；二是(shi)受(shou)管(guan)(guan)道內(nei)(nei)壓(ya)力(li)限制(zhi)（一(yi)(yi)般(ban)選擇塑料(liao)波(bo)(bo)紋(wen)(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)工(gong)況(kuang)(kuang)壓(ya)力(li)不高于12公斤(jin)），壓(ya)力(li)過高則(ze)會將(jiang)閥(fa)(fa)門(men)內(nei)(nei)襯材料(liao)從(cong)閥(fa)(fa)門(men)內(nei)(nei)壁吸出(chu)，造(zao)成(cheng)閥(fa)(fa)門(men)堵塞(sai)；另(ling)一(yi)(yi)個因素(su)就(jiu)是(shi)介質(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)化學性(xing)質(zhi)(zhi)，塑料(liao)波(bo)(bo)紋(wen)(wen)管(guan)(guan)可(ke)應用(yong)(yong)在甲酸、鹽酸、氯化物等(deng)強(qiang)侵蝕性(xing)介質(zhi)(zhi)上，但是(shi)當介質(zhi)(zhi)是(shi)與其分(fen)子式(shi)相(xiang)似的(de)(de)(de)(de)(de)(de)(de)介質(zhi)(zhi)時(shi)(shi)，就(jiu)會發生相(xiang)似相(xiang)溶，此時(shi)(shi)不可(ke)應用(yong)(yong)，例如(ru)四(si)氯化硅(gui)。。

HDPE雙壁纏繞排水管超低分子量聚乙烯（ULMWPE或PE-WAX），高的高分子量聚乙烯（HMWPE），高密度聚乙烯（HDPE），高密度的交聯聚乙烯（HDXLPE），交聯聚乙烯（PEX交聯聚乙烯），中密度聚乙烯（MDPE）鋪墊一層厚度為20cm砂礫基礎，4.承插口管安裝應將插口順水流方向，承口逆水流方向，由低點向高點依次安裝，管道安裝可用人工安裝，管道長短的調整，可用手鋸切割，但斷面應垂直平整，5.接口作業時，應先將承口（或插口）的內（或外）工作面清理干凈。提高剝離強度，在塑料原料充分熔融的狀態下纏繞成型，管材的整體結構牢固可靠，由于采用特殊材料和工藝既解決了鋼板防腐問題也解決了鋼板與PE材料的粘合度，使管道的使用壽命和純塑料管道一樣，保證在50年以上，4連接可靠HDPE鋼帶增強聚乙烯螺旋波紋管可采用電熱熔連接。UPVC加筋管，UPVC實壁排水管，PE鋼帶增強螺旋波紋管?3，市政排水管材一般選擇哪幾種，市政排水管材(cai)主要(yao)有水泥管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，HDPE雙壁(bi)(bi)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，U-PVC加筋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)?4，中(zhong)空壁(bi)(bi)結(jie)構纏繞管(guan)(guan)(guan)(guan)(guan)(guan)(guan)和HDPE雙壁(bi)(bi)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)區別是什(shen)么(me)。極大(da)地(di)提高了管(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)的(de)使用壽命，（3）柔韌性好(hao)，具(ju)(ju)有優異的(de)地(di)形適應能力，由于(yu)本(ben)工(gong)程(cheng)的(de)地(di)質(zhi)相對復雜，污水管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道并非處于(yu)中(zhong)砂層，部分污水管(guan)(guan)(guan)(guan)(guan)(guan)(guan)坐(zuo)落在(zai)淤泥層上，因(yin)此(ci)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)較(jiao)好(hao)的(de)柔韌性對提高工(gong)程(cheng)的(de)質(zhi)量具(ju)(ju)有重要(yao)的(de)意(yi)義。HDPE雙壁(bi)(bi)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道工(gong)程(cheng)可(ke)同(tong)槽施(shi)工(gong)，可(ke)按一般(ban)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道同(tong)槽敷設(she)設(she)計，施(shi)的(de)有關規定進(jin)行(xing)，HDPE雙壁(bi)(bi)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)穿越鐵(tie)路，高等級道路路堤(di)及有障礙的(de)構筑物時，應設(she)置(zhi)鋼筋混凝土，鋼，鑄鐵(tie)等材(cai)料制(zhi)作的(de)保護(hu)套管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，套管(guan)(guan)(guan)(guan)(guan)(guan)(guan)內徑應大(da)于(yu)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)外徑300mm以上。其厚(hou)度不(bu)小于(yu)150mm，碎(sui)石(shi)粒徑5mm-40mm，上面再鋪砂墊層（中(zhong)，粗紗），厚(hou)度不(bu)小于(yu)50mm，墊層總厚(hou)度不(bu)小于(yu)200mm，7.管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道安(an)(an)裝(zhuang)(zhuang)一般(ban)均可(ke)采用人工(gong)安(an)(an)裝(zhuang)(zhuang)，安(an)(an)裝(zhuang)(zhuang)時，由人工(gong)抬(tai)HDPE雙壁(bi)(bi)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)兩端傳給(gei)槽底(di)施(shi)工(gong)人員。。

排水管但若壓力(li)(li)***點的(de)(de)壓力(li)(li)超過1.0mpa，PE管(guan)材管(guan)道應采取(qu)分(fen)段試壓PE管(guan)材連接完后，應加強施工(gong)自(zi)檢和第三方驗收(shou)，并適當抽取(qu)一(yi)(yi)定比(bi)例(li)的(de)(de)接口切開進行(xing)內部(bu)檢查(cha)(cha)。檢查(cha)(cha)全(quan)部(bu)焊接口的(de)(de)焊機(ji)焊接數(shu)據記錄(lu)。外(wai)(wai)觀質量(liang)(liang)檢查(cha)(cha)應進行(xing)。監理等(deng)驗收(shou)單位應根據施工(gong)質量(liang)(liang)抽取(qu)一(yi)(yi)定比(bi)例(li)焊口進行(xing)外(wai)(wai)觀檢查(cha)(cha)，數(shu)量(liang)(liang)不得(de)少于焊口數(shu)的(de)(de)10%。　　青島新榮昌塑(su)料(liao)機(ji)械主要(yao)產(chan)(chan)品(pin)有(you)各種(zhong)規格的(de)(de)塑(su)料(liao)波紋管(guan)，適用于洗(xi)衣機(ji)。洗(xi)碗機(ji)，空調，洗(xi)塵(chen)器(qi)(qi)，冰箱等(deng)家用電(dian)器(qi)(qi)伸縮波紋管(guan)。電(dian)力(li)(li)電(dian)器(qi)(qi)高壓柜PVC鋼絲纏繞管(guan)和各種(zhong)中空吹塑(su)制品(pin)。本(ben)擁有(you)雄厚的(de)(de)技術力(li)(li)量(liang)(liang)，完整的(de)(de)測試手段，可靠的(de)(de)質量(liang)(liang)保證(zheng)，生產(chan)(chan)設備(bei)齊全(quan)，以低價優質來贏得(de)客戶的(de)(de)信任，本(ben)竭誠為廣大國內外(wai)(wai)客戶提供(gong)，更(geng)精，更(geng)美，更(geng)優的(de)(de)產(chan)(chan)品(pin)。抗震(zhen)支(zhi)架(jia)綜合支(zhi)架(jia)預埋槽，。

PVC管接口斷裂，幾年內就不得不更換的實例，6，HDPE管內表面光滑，不帶正負電核，不結垢:水泥管材易結垢，結垢后，使管徑縮小，影響通流量，7，HDPE質量輕，便于運輸與安裝，無損耗:水泥管材質量重，不便于運輸與安裝南京PE雙壁波紋管/鋼帶增強波紋管生產廠家今日報價工廠，企業，化工，醫藥行業排水管道(dao)，2.各種(zhong)建筑工程(cheng)，配套排水(shui)工程(cheng):如球場，鐵路(lu)(lu)，高速等，3.低壓輸(shu)水(shui)工程(cheng):如農田，果園，林業(ye)(ye)的(de)(de)灌溉排水(shui)，4.通(tong)風，通(tong)信工程(cheng):如礦(kuang)井的(de)(de)通(tong)風，礦(kuang)井壁(bi)滲管(guan)，鐵路(lu)(lu)，公(gong)路(lu)(lu)電纜光(guang)纜。南京明塑管(guan)業(ye)(ye)有(you)限公(gong)司是(shi)一家集研發、生產、銷售(shou)各種(zhong)預(yu)應力波(bo)(bo)紋(wen)(wen)(wen)管(guan)、預(yu)應力大口徑波(bo)(bo)紋(wen)(wen)(wen)管(guan)、預(yu)應力小口徑波(bo)(bo)紋(wen)(wen)(wen)管(guan)、預(yu)應力金屬波(bo)(bo)紋(wen)(wen)(wen)管(guan)、預(yu)應力塑料波(bo)(bo)紋(wen)(wen)(wen)管(guan)及預(yu)應力機械設(she)備的(de)(de)專業(ye)(ye)公(gong)司。聯系熱線：。　包頭PE雙壁(bi)波(bo)(bo)紋(wen)(wen)(wen)管(guan)/鋼帶(dai)增(zeng)強波(bo)(bo)紋(wen)(wen)(wen)管(guan)生產廠家今日(ri)報價(jia)公(gong)司攜手(shou)海深(shen)管(guan)業(ye)(ye)，與(yu)浩(hao)源管(guan)業(ye)(ye)強強聯合，形(xing)成由華北(bei)到西北(bei)市場的(de)(de)全(quan)域(yu)覆(fu)蓋(gai)，逐步構建大型管(guan)道(dao)生產、銷售(shou)和服(fu)務(wu)的(de)(de)地區骨干企業(ye)(ye)，通(tong)過(guo)渠(qu)道(dao)融(rong)合，產品布局(ju)全(quan)業(ye)(ye)態(tai)，更加完善的(de)(de)服(fu)務(wu)體(ti)系，定能更好的(de)(de)服(fu)務(wu)客戶，為客戶實現價(jia)值化不懈追求。。

C型(xing)(xing)波紋(wen)(wen)管(guan)(guan)(guan)的(de)剛度(du)(du)較(jiao)大，靈敏度(du)(du)差，非線性誤差大，一(yi)般用(yong)(yong)(yong)作(zuo)密(mi)封隔(ge)離元(yuan)件或撓性聯接(jie)(jie)(jie)件Ω型(xing)(xing)和(he)(he)(he)(he)S型(xing)(xing)波紋(wen)(wen)管(guan)(guan)(guan)主(zhu)要(yao)應用(yong)(yong)(yong)在工(gong)作(zuo)壓力較(jiao)高、工(gong)作(zuo)位移較(jiao)小的(de)場合(he)(he)(he)。例(li)如應用(yong)(yong)(yong)在高壓閥門(men)上作(zuo)密(mi)封隔(ge)離元(yuan)件。波紋(wen)(wen)管(guan)(guan)(guan)兩端(duan)(duan)(duan)(duan)聯接(jie)(jie)(jie)部分(fen)的(de)端(duan)(duan)(duan)(duan)部結(jie)構有(you)(you)5種基本(ben)結(jie)構型(xing)(xing)式：（1）內配合(he)(he)(he)用(yong)(yong)(yong)N表(biao)示（2）外配合(he)(he)(he)用(yong)(yong)(yong)W表(biao)示（3）封閉底(di)用(yong)(yong)(yong)D表(biao)示（4）沒有(you)(you)直壁段在波峰處切(qie)斷用(yong)(yong)(yong)QD表(biao)（5）沒有(you)(you)直壁段在波谷處切(qie)斷用(yong)(yong)(yong)Qd表(biao)示波紋(wen)(wen)管(guan)(guan)(guan)兩端(duan)(duan)(duan)(duan)端(duan)(duan)(duan)(duan)部結(jie)構由上述5種結(jie)構任意組(zu)合(he)(he)(he)，對同(tong)一(yi)種波紋(wen)(wen)管(guan)(guan)(guan)可以組(zu)合(he)(he)(he)成14種結(jie)構。波紋(wen)(wen)管(guan)(guan)(guan)的(de)兩端(duan)(duan)(duan)(duan)需要(yao)與(yu)相聯接(jie)(jie)(jie)的(de)零(ling)件焊(han)(han)(han)接(jie)(jie)(jie)。對黃銅(tong)(tong)、錫青銅(tong)(tong)和(he)(he)(he)(he)鈹青銅(tong)(tong)材(cai)料采用(yong)(yong)(yong)釬焊(han)(han)(han)或銀焊(han)(han)(han)；對不(bu)銹鋼(gang)和(he)(he)(he)(he)因(yin)科鎳(nie)718等(deng)材(cai)料可以采用(yong)(yong)(yong)氬弧焊(han)(han)(han)、滾焊(han)(han)(han)和(he)(he)(he)(he)電子(zi)束(shu)等(deng)焊(han)(han)(han)接(jie)(jie)(jie)方法。波紋(wen)(wen)管(guan)(guan)(guan)的(de)端(duan)(duan)(duan)(duan)部結(jie)構影響著(zhu)波紋(wen)(wen)管(guan)(guan)(guan)的(de)成形(xing)(xing)工(gong)藝(yi)性，其中W型(xing)(xing)結(jie)構的(de)工(gong)藝(yi)性，建議優(you)先采用(yong)(yong)(yong)。而N型(xing)(xing)結(jie)構的(de)工(gong)藝(yi)性較(jiao)差，對其直徑D1，和(he)(he)(he)(he)Ll長度(du)(du)按有(you)(you)關標(biao)準和(he)(he)(he)(he)產品樣本(ben)選(xuan)取(qu)，不(bu)能(neng)隨意選(xuan)取(qu)，如果(guo)D1和(he)(he)(he)(he)L1選(xuan)取(qu)的(de)過大，在波紋(wen)(wen)管(guan)(guan)(guan)成形(xing)(xing)過程中常常在此處破(po)裂(lie)。。

來源：南京明塑管業有限公司南京HDPE雙壁波紋管南京HDPE塑鋼纏繞管南京HDPE雙壁纏繞排水管南京HDPE鋼帶增強螺旋波紋管南京排水排污管南京高密度聚乙烯波紋管南京塑鋼管性能特點1.通過特殊的方管纏繞成類似彈簧的結構，并通過相同材質的高溫焊條在高壓下熔融焊接成管材，管材具有彈簧的可撓曲、可壓縮、可拉伸但不可壓扁的特點，這一點對于基本無內壓、外壓比較大的市政排水管材(cai)(cai)來(lai)講非(fei)常(chang)重(zhong)要；因為這(zhe)種(zhong)結(jie)構(gou)為管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)提供了(le)非(fei)常(chang)優(you)異的(de)(de)抗外(wai)(wai)壓能(neng)(neng)(neng)力(li)；焊接(jie)方(fang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)焊條與方(fang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)焊條與方(fang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)兩壁(bi)(bi)形成(cheng)了(le)一個工字(zi)鋼形加強結(jie)構(gou)，這(zhe)個結(jie)構(gou)又(you)被(bei)內外(wai)(wai)雙層(ceng)壁(bi)(bi)所束縛(fu)，其位置相(xiang)對穩(wen)(wen)定(ding)(ding)，管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)在外(wai)(wai)壓作(zuo)用(yong)時結(jie)構(gou)穩(wen)(wen)定(ding)(ding)，大(da)幅度(du)提高(gao)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)耐(nai)外(wai)(wai)負(fu)荷能(neng)(neng)(neng)力(li)，螺(luo)旋中空的(de)(de)結(jie)構(gou)壁(bi)(bi)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)的(de)(de)耐(nai)外(wai)(wai)壓能(neng)(neng)(neng)力(li)提高(gao)的(de)(de)同(tong)時降(jiang)(jiang)低了(le)產品(pin)的(de)(de)重(zhong)量(liang)2.抗化學腐蝕(shi)：不(bu)受酸(suan)、堿、鹽的(de)(de)侵蝕(shi)，不(bu)受有(you)機物侵蝕(shi)，無(wu)細菌(jun)、藻(zao)類滋生(sheng)，不(bu)生(sheng)銹、不(bu)結(jie)垢。3.使用(yong)壽(shou)命(ming)長(chang)(chang)：材(cai)(cai)料老(lao)化壽(shou)命(ming)在112年以上，管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)設計(ji)壽(shou)命(ming)50年。4..抗沖(chong)(chong)擊能(neng)(neng)(neng)力(li)強：冰點以下(xia)依然具有(you)很好的(de)(de)沖(chong)(chong)擊性能(neng)(neng)(neng)；不(bu)會(hui)因水(shui)結(jie)冰而(er)凍(dong)破，優(you)于(yu)UPVC、PP等(deng)材(cai)(cai)質管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)。5.重(zhong)量(liang)輕：聚乙(yi)烯的(de)(de)密度(du)不(bu)足1，比水(shui)輕，僅(jin)有(you)同(tong)等(deng)規格(ge)砼(tong)管(guan)(guan)(guan)(guan)(guan)的(de)(de)1/8，裝卸、運輸、安(an)裝方(fang)便，不(bu)需(xu)大(da)型吊裝、運輸設備。6.水(shui)阻系數低：n=0.0078-0.009一般計(ji)取0.01，而(er)砼(tong)管(guan)(guan)(guan)(guan)(guan)n=0.013-0.014，同(tong)口徑管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)相(xiang)比可增加30%的(de)(de)流(liu)(liu)量(liang)和(he)流(liu)(liu)速。7.耐(nai)磨性能(neng)(neng)(neng)好：耐(nai)磨能(neng)(neng)(neng)力(li)遠優(you)于(yu)砼(tong)管(guan)(guan)(guan)(guan)(guan)，億于(yu)UPVC等(deng)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)。8.連接(jie)方(fang)便：采用(yong)雙向承插彈(dan)性密封連接(jie)，方(fang)便、快(kuai)捷、安(an)全高(gao)效；同(tong)時作(zuo)為伸縮節可補(bu)償因冷熱(re)伸縮（本(ben)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)熱(re)膨(peng)脹系數為0.13-0.15mm/m·k）、不(bu)均勻沉降(jiang)(jiang)及大(da)負(fu)荷沖(chong)(chong)擊等(deng)造(zao)成(cheng)的(de)(de)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)的(de)(de)縱向伸縮。9.環保產品(pin)：產品(pin)100%可回收，不(bu)污染(ran)環境。10.平整：平整的(de)(de)管(guan)(guan)(guan)(guan)(guan)壁(bi)(bi)便于(yu)回填，施工快(kuai)速，質量(liang)穩(wen)(wen)定(ding)(ding)。11.　綜合(he)成(cheng)本(ben)低：水(shui)阻小(xiao)、流(liu)(liu)量(liang)大(da)，可降(jiang)(jiang)低尺寸使用(yong)口徑較小(xiao)的(de)(de)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)，同(tong)時開挖量(liang)也隨之降(jiang)(jiang)低，無(wu)需(xu)砼(tong)基礎(chu)，砂石墊層(ceng)即(ji)可，工程費用(yong)低；長(chang)(chang)達50年的(de)(de)使用(yong)壽(shou)命(ming)、日(ri)常(chang)維護費用(yong)低，綜合(he)造(zao)價可與砼(tong)管(guan)(guan)(guan)(guan)(guan)相(xiang)當。

一般(ban)地(di)，塑(su)料(liao)波(bo)(bo)(bo)(bo)紋管(guan)(guan)的摩擦系數取0.14，而金(jin)屬(shu)波(bo)(bo)(bo)(bo)紋管(guan)(guan)的摩擦系數取0.25（0.2-0.25）公路(lu)橋規，誤差系數為0.0015，　　塑(su)料(liao)波(bo)(bo)(bo)(bo)紋管(guan)(guan)的強度高，不怕踩壓，不易被振搗捧(peng)鑿(zao)破，其密封性能(neng)和抗滲漏性能(neng)高于金(jin)屬(shu)波(bo)(bo)(bo)(bo)紋管(guan)(guan)，更適用(yong)于真空灌漿，　　塑(su)料(liao)波(bo)(bo)(bo)(bo)紋管(guan)(guan)不導電，能(neng)夠(gou)避免(mian)雜散電流腐蝕，而金(jin)屬(shu)是電的良導體，　　塑(su)料(liao)波(bo)(bo)(bo)(bo)紋管(guan)(guan)具(ju)有(you)更好的耐勞性能(neng)，能(neng)大大提高構件(jian)的抗疲勞能(neng)力。。

2.波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)要(yao)覆蓋保(bao)(bao)護(hu)，防(fang)止(zhi)風吹(chui)雨(yu)淋使(shi)其提前老化(hua)3.切(qie)割波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)要(yao)平直，不(bu)(bu)(bu)能切(qie)成斜(xie)口。4.波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)接(jie)頭(tou)(tou)的方法：波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)接(jie)頭(tou)(tou)處(chu)要(yao)外包(bao)0.3米長的大號(hao)波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)，并且兩端(duan)頭(tou)(tou)要(yao)對半擰緊，中間(jian)(jian)不(bu)(bu)(bu)得留有空隙。為保(bao)(bao)證中間(jian)(jian)不(bu)(bu)(bu)留空隙，應在兩接(jie)頭(tou)(tou)端(duan)頭(tou)(tou)處(chu)做好標記。做好后要(yao)用膠帶(dai)包(bao)裹(guo)嚴(yan)密，以(yi)防(fang)漏(lou)漿。5.波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)位(wei)置定位(wei)要(yao)準確，尤其是靠近接(jie)頭(tou)(tou)的部位(wei)，波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)定位(wei)鋼(gang)筋間(jian)(jian)距(ju)為0.5米，不(bu)(bu)(bu)能缺少(shao)。6.焊接(jie)鋼(gang)筋靠近波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)時(shi)，要(yao)采取措施保(bao)(bao)護(hu)波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)不(bu)(bu)(bu)能被灼傷(shang)，如果不(bu)(bu)(bu)小心被灼傷(shang)到，灼傷(shang)處(chu)要(yao)用膠帶(dai)包(bao)裹(guo)嚴(yan)密。7.考慮(lv)到頂板(ban)(ban)波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)數量在逐漸(jian)減少(shao)，但凡與波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)沖突(tu)的部件都要(yao)避讓波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)。8.澆(jiao)筑砼時(shi)，不(bu)(bu)(bu)能對著波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)放料(liao)。振(zhen)(zhen)(zhen)搗棒不(bu)(bu)(bu)能與波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)碰撞，嚴(yan)禁(jin)(jin)兩個振(zhen)(zhen)(zhen)搗棒夾(jia)著一根(gen)波(bo)(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)振(zhen)(zhen)(zhen)搗。特別是腹板(ban)(ban)振(zhen)(zhen)(zhen)搗時(shi)，嚴(yan)禁(jin)(jin)振(zhen)(zhen)(zhen)搗棒在同一位(wei)置長時(shi)間(jian)(jian)振(zhen)(zhen)(zhen)搗，振(zhen)(zhen)(zhen)搗時(shi)間(jian)(jian)以(yi)不(bu)(bu)(bu)超過20秒(miao)為準。

金屬波紋管密封典(dian)型結構如圖6-60所示。