塑料波紋管的制法簡樸,在有些情況下能夠代替金屬波紋管節約本錢,價格便宜,伸縮機能等特點凸起
環保結構圖預應力來源(yuan):南(nan)京明塑(su)(su)(su)管(guan)(guan)(guan)(guan)業有限公司(si)南(nan)京HDPE雙壁(bi)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)南(nan)京HDPE塑(su)(su)(su)鋼(gang)(gang)(gang)纏(chan)(chan)繞(rao)(rao)管(guan)(guan)(guan)(guan)南(nan)京HDPE雙壁(bi)纏(chan)(chan)繞(rao)(rao)排水管(guan)(guan)(guan)(guan)南(nan)京HDPE鋼(gang)(gang)(gang)帶增強(qiang)(qiang)螺旋波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)南(nan)京排水排污(wu)(wu)管(guan)(guan)(guan)(guan)南(nan)京高(gao)密度聚乙(yi)烯波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)南(nan)京塑(su)(su)(su)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)是(shi)(shi)一(yi)種耐(nai)腐(fu)(fu)蝕(shi)、透(tou)水流通(tong)性強(qiang)(qiang)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)道,近些年來,塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)使用(yong)越來越廣泛了(le),與(yu)金屬(shu)(shu)原料(liao)的(de)(de)(de)(de)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)比較,塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)不(bu)導電(dian),能(neng)夠避(bi)免雜散的(de)(de)(de)(de)電(dian)流腐(fu)(fu)蝕(shi),除(chu)此之外(wai),塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)曲折性能(neng)好,便于施工,分量也輕(qing)接下來小編(bian)要給(gei)大家詳細介(jie)紹塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)特色無妨一(yi)起來看看。 特色: 塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)具(ju)(ju)有分量輕(qing)、承(cheng)受(shou)(shou)壓力強(qiang)(qiang)、曲折性能(neng)、便于施工等(deng)特色。與(yu)其他的(de)(de)(de)(de)排水資料(liao)比較,塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)具(ju)(ju)有耐(nai)腐(fu)(fu)蝕(shi)性強(qiang)(qiang)、透(tou)水流通(tong)性強(qiang)(qiang)、性價比高(gao)的(de)(de)(de)(de)優勢。 塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)與(yu)金屬(shu)(shu)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)比較之下的(de)(de)(de)(de)長(chang)處: 當成孔(kong)資料(liao)受(shou)(shou)到(dao)破壞后(hou),漿體是(shi)(shi)預(yu)(yu)應(ying)(ying)力混凝土結構中預(yu)(yu)應(ying)(ying)力鋼(gang)(gang)(gang)材的(de)(de)(de)(de)最后(hou)一(yi)道防(fang)護屏(ping)障(zhang)(zhang)。塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)是(shi)(shi)一(yi)種新型(xing)成孔(kong)資料(liao),與(yu)金屬(shu)(shu)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)比較,它(ta)具(ju)(ju)有以下長(chang)處: 塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)原資料(liao)是(shi)(shi)HDPE。它(ta)的(de)(de)(de)(de)耐(nai)腐(fu)(fu)蝕(shi)性能(neng)遠(yuan)遠(yuan)優于金屬(shu)(shu),不(bu)怕酸、堿腐(fu)(fu)蝕(shi),它(ta)本身(shen)不(bu)腐(fu)(fu)蝕(shi),能(neng)有效(xiao)地維護預(yu)(yu)應(ying)(ying)力筋不(bu)受(shou)(shou)腐(fu)(fu)蝕(shi)。很多預(yu)(yu)應(ying)(ying)力結構承(cheng)受(shou)(shou)著外(wai)界(jie)嚴峻的(de)(de)(de)(de)影(ying)響,如除(chu)冰(bing)鹽(yan)或鹽(yan)水。當后(hou)張(zhang)(zhang)構件(jian)由(you)于防(fang)水層的(de)(de)(de)(de)崩(beng)潰、微裂縫漏水和排水設施的(de)(de)(de)(de)阻(zu)塞或失效(xiao)時,預(yu)(yu)應(ying)(ying)力筋就會或許受(shou)(shou)到(dao)腐(fu)(fu)蝕(shi)效(xiao)果。塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)能(neng)為預(yu)(yu)應(ying)(ying)力筋供(gong)給(gei)一(yi)種遠(yuan)遠(yuan)優于金屬(shu)(shu)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)屏(ping)障(zhang)(zhang)維護效(xiao)果,能(neng)避(bi)免有害物質穿透(tou)管(guan)(guan)(guan)(guan)道的(de)(de)(de)(de)污(wu)(wu)染,然(ran)后(hou)保證了(le)后(hou)張(zhang)(zhang)預(yu)(yu)應(ying)(ying)力結構具(ju)(ju)有更好的(de)(de)(de)(de)耐(nai)久性, 同等(deng)條(tiao)件(jian)下,SBG(B)塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)管(guan)(guan)(guan)(guan)預(yu)(yu)留孔(kong)道的(de)(de)(de)(de)摩擦(ca)(ca)系數(shu)(shu)顯(xian)著小于金屬(shu)(shu)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)預(yu)(yu)留孔(kong)道的(de)(de)(de)(de)摩擦(ca)(ca)系數(shu)(shu),減小了(le)張(zhang)(zhang)拉過(guo)程(cheng)中預(yu)(yu)應(ying)(ying)力的(de)(de)(de)(de)摩擦(ca)(ca)損失。一(yi)般地,塑(su)(su)(su)料(liao)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)摩擦(ca)(ca)系數(shu)(shu)取0.14,而金屬(shu)(shu)波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)摩擦(ca)(ca)系數(shu)(shu)取0.25。
南京井桶管控(kong)制(zhi)(zhi)閥(fa)(fa)(fa)上的(de)(de)(de)(de)(de)(de)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)所起(qi)的(de)(de)(de)(de)(de)(de)作用(yong)只有(you)(you)一(yi)個(ge)——隔(ge)離,主要分三(san)種:一(yi)種是(shi)(shi)防(fang)止(zhi)閥(fa)(fa)(fa)內(nei)(nei)介(jie)(jie)質(zhi)(zhi)(zhi)擴散到外界,就是(shi)(shi)針(zhen)對閥(fa)(fa)(fa)門(men)(men)(men)內(nei)(nei)所流(liu)介(jie)(jie)質(zhi)(zhi)(zhi)為化(hua)(hua)學性質(zhi)(zhi)(zhi)活(huo)潑或有(you)(you)毒有(you)(you)害(hai)的(de)(de)(de)(de)(de)(de)氣(qi)體、易揮發的(de)(de)(de)(de)(de)(de)液體及(ji)(ji)珍貴的(de)(de)(de)(de)(de)(de)介(jie)(jie)質(zhi)(zhi)(zhi),例(li)如氯氣(qi)、硅(gui)粉等(deng)等(deng)但是(shi)(shi)塑料波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)應用(yong)受三(san)個(ge)因素的(de)(de)(de)(de)(de)(de)限制(zhi)(zhi),一(yi)個(ge)是(shi)(shi)閥(fa)(fa)(fa)門(men)(men)(men)所處環境的(de)(de)(de)(de)(de)(de)溫度(du)及(ji)(ji)介(jie)(jie)質(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)溫度(du),溫度(du)太高輕易造成波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)老化(hua)(hua)變(bian)形,所以它的(de)(de)(de)(de)(de)(de)長期使用(yong)溫度(du)一(yi)般不(bu)(bu)(bu)超過(guo)180°C,低溫情況(kuang)下(xia)沒有(you)(you)詳細(xi)要求;二是(shi)(shi)受管(guan)(guan)道內(nei)(nei)壓(ya)力限制(zhi)(zhi)(一(yi)般選擇(ze)塑料波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)工況(kuang)壓(ya)力不(bu)(bu)(bu)高于(yu)12公斤),壓(ya)力過(guo)高則會將閥(fa)(fa)(fa)門(men)(men)(men)內(nei)(nei)襯材料從(cong)閥(fa)(fa)(fa)門(men)(men)(men)內(nei)(nei)壁吸出,造成閥(fa)(fa)(fa)門(men)(men)(men)堵塞;另一(yi)個(ge)因素就是(shi)(shi)介(jie)(jie)質(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)化(hua)(hua)學性質(zhi)(zhi)(zhi),塑料波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)可(ke)應用(yong)在甲酸(suan)、鹽酸(suan)、氯化(hua)(hua)物等(deng)強(qiang)侵蝕性介(jie)(jie)質(zhi)(zhi)(zhi)上,但是(shi)(shi)當介(jie)(jie)質(zhi)(zhi)(zhi)是(shi)(shi)與其分子式相似的(de)(de)(de)(de)(de)(de)介(jie)(jie)質(zhi)(zhi)(zhi)時(shi),就會發生相似相溶,此(ci)時(shi)不(bu)(bu)(bu)可(ke)應用(yong),例(li)如四氯化(hua)(hua)硅(gui)。。
南京預應力波紋管廠家直銷許多預(yu)(yu)應力結構承受著(zhu)外界(jie)嚴峻的影(ying)響,如除冰鹽(yan)或鹽(yan)水(shui)(shui)當后(hou)張構件因為防水(shui)(shui)層的崩潰、微裂縫(feng)漏水(shui)(shui)和排(pai)水(shui)(shui)設(she)施的堵塞(sai)或失效時,預(yu)(yu)應力筋就會可能(neng)受到腐蝕作用。。
南京鋼波紋管生產成(cheng)形波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)也叫機(ji)械成(cheng)形波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)或(huo)一(yi)(yi)(yi)次性波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan),是(shi)(shi)經由(you)機(ji)械拉伸加壓(ya)制(zhi)(zhi)得的(de)(de)(de);焊(han)接(jie)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)是(shi)(shi)將兩片波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)部件依次焊(han)接(jie)制(zhi)(zhi)得的(de)(de)(de)南京鋼(gang)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)分(fen)類(lei)及相關區別另外(wai)市場上(shang)開(kai)始泛起一(yi)(yi)(yi)種(zhong)襯(chen)四(si)(si)氟(fu)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan),就是(shi)(shi)金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)內部襯(chen)一(yi)(yi)(yi)層四(si)(si)氟(fu)乙(yi)烯(xi),而(er)且(qie)賣的(de)(de)(de)比較好,說明應(ying)(ying)用(yong)仍是(shi)(shi)不(bu)錯(cuo)的(de)(de)(de),但(dan)(dan)是(shi)(shi)我(wo)以(yi)為(wei)這種(zhong)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)仍是(shi)(shi)會受(shou)(shou)到(dao)諸如(ru)塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)因(yin)素(su)限(xian)(xian)制(zhi)(zhi),而(er)且(qie)更重要的(de)(de)(de)一(yi)(yi)(yi)點(dian)就是(shi)(shi)受(shou)(shou)溫(wen)(wen)度(du)(du)影(ying)響更加顯著(zhu),由(you)于金(jin)屬(shu)和(he)四(si)(si)氟(fu)乙(yi)烯(xi)的(de)(de)(de)伸縮(suo)度(du)(du)不(bu)同,所(suo)以(yi)溫(wen)(wen)度(du)(du)變化大(da)是(shi)(shi)不(bu)是(shi)(shi)會造(zao)(zao)成(cheng)四(si)(si)氟(fu)乙(yi)烯(xi)的(de)(de)(de)脫落,因(yin)為(wei)我(wo)司目前還(huan)沒(mei)有該類(lei)型閥(fa)(fa)(fa)門(men)的(de)(de)(de)應(ying)(ying)用(yong)經驗,所(suo)以(yi)這里就未幾說了(le),至(zhi)于塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)方面的(de)(de)(de)不(bu)足,還(huan)望讀者增補(bu)指導(dao)。塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)制(zhi)(zhi)法簡樸,在有些(xie)情(qing)況下(xia)能(neng)夠(gou)代(dai)替金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)節約本(ben)錢(qian),價格便宜,伸縮(suo)機(ji)能(neng)等特點(dian)凸起。金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)根據加工形式(shi)的(de)(de)(de)不(bu)同可(ke)分(fen)為(wei)成(cheng)形波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)和(he)焊(han)接(jie)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)兩種(zhong)形式(shi)。控制(zhi)(zhi)閥(fa)(fa)(fa)上(shang)的(de)(de)(de)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)所(suo)起的(de)(de)(de)作用(yong)只(zhi)有一(yi)(yi)(yi)個(ge)(ge)——隔離,主要分(fen)三種(zhong):一(yi)(yi)(yi)種(zhong)是(shi)(shi)防(fang)止閥(fa)(fa)(fa)內介(jie)(jie)質(zhi)(zhi)擴(kuo)散到(dao)外(wai)界,就是(shi)(shi)針對閥(fa)(fa)(fa)門(men)內所(suo)流介(jie)(jie)質(zhi)(zhi)為(wei)化學(xue)(xue)性質(zhi)(zhi)活潑或(huo)有毒有害的(de)(de)(de)氣體、易揮發的(de)(de)(de)液體及珍(zhen)貴的(de)(de)(de)介(jie)(jie)質(zhi)(zhi),例(li)如(ru)氯氣、硅(gui)粉(fen)等等。但(dan)(dan)是(shi)(shi)塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)應(ying)(ying)用(yong)受(shou)(shou)三個(ge)(ge)因(yin)素(su)的(de)(de)(de)限(xian)(xian)制(zhi)(zhi),一(yi)(yi)(yi)個(ge)(ge)是(shi)(shi)閥(fa)(fa)(fa)門(men)所(suo)處環(huan)境的(de)(de)(de)溫(wen)(wen)度(du)(du)及介(jie)(jie)質(zhi)(zhi)的(de)(de)(de)溫(wen)(wen)度(du)(du),溫(wen)(wen)度(du)(du)太高(gao)輕易造(zao)(zao)成(cheng)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)老化變形,所(suo)以(yi)它的(de)(de)(de)長期使用(yong)溫(wen)(wen)度(du)(du)一(yi)(yi)(yi)般不(bu)超過(guo)180°C,低溫(wen)(wen)情(qing)況下(xia)沒(mei)有詳細要求;二是(shi)(shi)受(shou)(shou)管(guan)(guan)道(dao)內壓(ya)力限(xian)(xian)制(zhi)(zhi)(一(yi)(yi)(yi)般選擇塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)的(de)(de)(de)工況壓(ya)力不(bu)高(gao)于12公斤),壓(ya)力過(guo)高(gao)則會將閥(fa)(fa)(fa)門(men)內襯(chen)材料(liao)從閥(fa)(fa)(fa)門(men)內壁吸(xi)出,造(zao)(zao)成(cheng)閥(fa)(fa)(fa)門(men)堵(du)塞;另一(yi)(yi)(yi)個(ge)(ge)因(yin)素(su)就是(shi)(shi)介(jie)(jie)質(zhi)(zhi)的(de)(de)(de)化學(xue)(xue)性質(zhi)(zhi),塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)可(ke)應(ying)(ying)用(yong)在甲酸、鹽酸、氯化物等強侵蝕性介(jie)(jie)質(zhi)(zhi)上(shang),但(dan)(dan)是(shi)(shi)當介(jie)(jie)質(zhi)(zhi)是(shi)(shi)與其分(fen)子式(shi)相似的(de)(de)(de)介(jie)(jie)質(zhi)(zhi)時,就會發生相似相溶,此時不(bu)可(ke)應(ying)(ying)用(yong),例(li)如(ru)四(si)(si)氯化硅(gui)。。
焊接技術攪(jiao)拌(ban)(ban)(ban)好的(de)(de)(de)(de)(de)灰(hui)漿(jiang)(jiang)(jiang)(jiang)(jiang)要(yao)做(zuo)至(zhi)基本御盡(jin)②裝(zhuang)料(liao)(liao):s*先(xian)將稱量(liang)(liang)好的(de)(de)(de)(de)(de)水(shui)(shui)(扣(kou)除用(yong)(yong)于(yu)溶化減水(shui)(shui)劑的(de)(de)(de)(de)(de)那部分(fen)水(shui)(shui))、水(shui)(shui)泥(ni)(ni)、膨脹(zhang)水(shui)(shui)泥(ni)(ni)、粉煤灰(hui)倒(dao)入攪(jiao)拌(ban)(ban)(ban)機(ji)(ji),攪(jiao)拌(ban)(ban)(ban)2分(fen)鐘(zhong),將溶于(yu)水(shui)(shui)的(de)(de)(de)(de)(de)減水(shui)(shui)劑倒(dao)入攪(jiao)拌(ban)(ban)(ban)機(ji)(ji)中(zhong),攪(jiao)拌(ban)(ban)(ban)3分(fen)鐘(zhong)出(chu)(chu)料(liao)(liao),水(shui)(shui)泥(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)出(chu)(chu)料(liao)(liao)后應盡(jin)量(liang)(liang)馬上進(jin)行泵(beng)(beng)(beng)(beng)送,否則要(yao)不停(ting)(ting)(ting)地(di)(di)攪(jiao)拌(ban)(ban)(ban),必須嚴格控(kong)制(zhi)用(yong)(yong)水(shui)(shui)量(liang)(liang),否則多加(jia)的(de)(de)(de)(de)(de)水(shui)(shui)全部泌出(chu)(chu),易造成(cheng)管(guan)道(dao)頂端有(you)空(kong)(kong)(kong)隙,對未及(ji)時(shi)(shi)(shi)使(shi)用(yong)(yong)而降低了流(liu)動性的(de)(de)(de)(de)(de)水(shui)(shui)泥(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang),嚴禁采用(yong)(yong)增加(jia)水(shui)(shui)的(de)(de)(de)(de)(de)辦法(fa)來增加(jia)灰(hui)漿(jiang)(jiang)(jiang)(jiang)(jiang)的(de)(de)(de)(de)(de)流(liu)動性。 (4)灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)①將灰(hui)漿(jiang)(jiang)(jiang)(jiang)(jiang)加(jia)至(zhi)灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)(beng)(beng)中(zhong),在灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)高壓(ya)(ya)(ya)(ya)橡(xiang)膠(jiao)(jiao)管(guan)出(chu)(chu)口打出(chu)(chu)漿(jiang)(jiang)(jiang)(jiang)(jiang)體,待(dai)這些漿(jiang)(jiang)(jiang)(jiang)(jiang)體濃(nong)度(du)(du)(du)(du)與灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)(beng)(beng)中(zhong)的(de)(de)(de)(de)(de)濃(nong)度(du)(du)(du)(du)一樣時(shi)(shi)(shi),關掉(diao)灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)(beng)(beng),將高壓(ya)(ya)(ya)(ya)橡(xiang)膠(jiao)(jiao)管(guan)此端接至(zhi)孔(kong)道(dao)的(de)(de)(de)(de)(de)灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)管(guan)上,扎牢(lao)。②關掉(diao)灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)閥,啟(qi)動真空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng),當(dang)真空(kong)(kong)(kong)度(du)(du)(du)(du)達到(dao)度(du)(du)(du)(du)維(wei)持在-0.06~-0.09MPa值時(shi)(shi)(shi),啟(qi)動灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)(beng)(beng),打開(kai)灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)閥,開(kai)始灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang),當(dang)漿(jiang)(jiang)(jiang)(jiang)(jiang)體經(jing)過(guo)空(kong)(kong)(kong)氣(qi)濾清(qing)(qing)(qing)器時(shi)(shi)(shi),關掉(diao)真空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)及(ji)抽氣(qi)閥,打開(kai)排氣(qi)閥。③觀察排氣(qi)管(guan)的(de)(de)(de)(de)(de)出(chu)(chu)漿(jiang)(jiang)(jiang)(jiang)(jiang)情況,當(dang)漿(jiang)(jiang)(jiang)(jiang)(jiang)體稠(chou)度(du)(du)(du)(du)和灌(guan)(guan)(guan)(guan)(guan)(guan)入之(zhi)稠(chou)度(du)(du)(du)(du)一樣時(shi)(shi)(shi),關掉(diao)排氣(qi)閥,仍繼續灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)2~分(fen)鐘(zhong),使(shi)管(guan)道(dao)內有(you)一定(ding)的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力,z*后關掉(diao)灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)閥。 (5)清(qing)(qing)(qing)洗拆下(xia)抽真空(kong)(kong)(kong)管(guan)的(de)(de)(de)(de)(de)兩個活接,卸下(xia)真空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng),拆下(xia)空(kong)(kong)(kong)氣(qi)濾清(qing)(qing)(qing)器和灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)膠(jiao)(jiao)管(guan),清(qing)(qing)(qing)洗灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)(beng)(beng)、攪(jiao)拌(ban)(ban)(ban)機(ji)(ji)、閥門、空(kong)(kong)(kong)氣(qi)濾清(qing)(qing)(qing)器以及(ji)粘有(you)灰(hui)漿(jiang)(jiang)(jiang)(jiang)(jiang)的(de)(de)(de)(de)(de)工(gong)具(ju)。 四、質(zhi)量(liang)(liang)控(kong)制(zhi)要(yao)點 (1)鉆孔(kong)定(ding)位(wei)(wei)。要(yao)根(gen)據施工(gong)現(xian)場的(de)(de)(de)(de)(de)實際(ji)情況,不斷總結經(jing)驗,盡(jin)量(liang)(liang)把孔(kong)位(wei)(wei)設在脫空(kong)(kong)(kong)深度(du)(du)(du)(du)z*大處,每塊(kuai)(kuai)水(shui)(shui)泥(ni)(ni)混凝土板(ban)應鉆4~5個孔(kong)。 (2)灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)。 ①嚴格控(kong)制(zhi)進(jin)場材料(liao)(liao)的(de)(de)(de)(de)(de)質(zhi)量(liang)(liang),確保達到(dao)要(yao)求, ②嚴格控(kong)制(zhi)配合比,各種(zhong)材料(liao)(liao)計量(liang)(liang)準確,且(qie)拌(ban)(ban)(ban)和均勻,注重(zhong)用(yong)(yong)水(shui)(shui)量(liang)(liang), ③灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)時(shi)(shi)(shi)若發現(xian)灰(hui)漿(jiang)(jiang)(jiang)(jiang)(jiang)已從(cong)壓(ya)(ya)(ya)(ya)過(guo)或(huo)未壓(ya)(ya)(ya)(ya)過(guo)的(de)(de)(de)(de)(de)孔(kong)溢(yi)出(chu)(chu)時(shi)(shi)(shi),應及(ji)時(shi)(shi)(shi)用(yong)(yong)木塞塞緊,10min后拔出(chu)(chu)木塞, ④灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)機(ji)(ji)壓(ya)(ya)(ya)(ya)力達到(dao)015~110MPa或(huo)水(shui)(shui)泥(ni)(ni)灰(hui)漿(jiang)(jiang)(jiang)(jiang)(jiang)從(cong)其它孔(kong)溢(yi)出(chu)(chu)或(huo)從(cong)邊縫、裂(lie)縫等(deng)處溢(yi)出(chu)(chu)時(shi)(shi)(shi),將自動停(ting)(ting)(ting)機(ji)(ji)或(huo)人工(gong)停(ting)(ting)(ting)機(ji)(ji),視為(wei)(wei)壓(ya)(ya)(ya)(ya)滿, ⑤交通(tong)控(kong)制(zhi),灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)完成(cheng)后的(de)(de)(de)(de)(de)板(ban)塊(kuai)(kuai),禁止車輛通(tong)行,待(dai)灰(hui)漿(jiang)(jiang)(jiang)(jiang)(jiang)強(qiang)度(du)(du)(du)(du)大于(yu)3MPa以上時(shi)(shi)(shi)方(fang)(fang)可開(kai)放交通(tong)。 灌(guan)(guan)(guan)(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)技術(shu)作為(wei)(wei)一種(zhong)新型的(de)(de)(de)(de)(de)加(jia)固(gu)技術(shu),可廣(guang)泛地(di)(di)使(shi)用(yong)(yong)到(dao)公路施工(gong)其他方(fang)(fang)面,如(ru):高速公路橋(qiao)頭(tou)跳車、軟(ruan)土地(di)(di)基處理、機(ji)(ji)場路加(jia)固(gu)等(deng)。
在點式(shi)(shi)玻璃幕墻(qiang)索桁架的(de)(de)研(yan)究中(zhong),大(da)(da)曲(qu)率預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋的(de)(de)實(shi)測(ce)伸(shen)(shen)長(chang)(chang)(chang)值(zhi)都比理論伸(shen)(shen)長(chang)(chang)(chang)值(zhi)大(da)(da),U形束(shu)偏差更大(da)(da),多(duo)波(bo)曲(qu)線束(shu)偏差小(xiao)一些(xie),曲(qu)率半(ban)徑越小(xiao),伸(shen)(shen)長(chang)(chang)(chang)值(zhi)就越偏長(chang)(chang)(chang)分析實(shi)測(ce)伸(shen)(shen)長(chang)(chang)(chang)值(zhi)偏長(chang)(chang)(chang)的(de)(de)原因(yin)如下。 大(da)(da)曲(qu)率預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋中(zhong)的(de)(de)每根鋼(gang)絲(si)和(he)鋼(gang)絞線的(de)(de)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)不(bu)同(tong),曲(qu)率半(ban)徑越小(xiao),應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)越不(bu)均(jun)勻。例(li)如上海楊浦大(da)(da)橋模擬試驗鋼(gang)絲(si)束(shu)中(zhong)的(de)(de)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)實(shi)測(ce)結果表明,U形束(shu)各根鋼(gang)絲(si)的(de)(de)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)波(bo)動在20%左右(R=1300mm)。當(dang)控制(zhi)(zhi)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)取值(zhi)較大(da)(da)時(shi),部分鋼(gang)絲(si)已超過(guo)比例(li)極限,出(chu)現(xian)(xian)塑(su)性變形。 多(duo)波(bo)曲(qu)線預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋由于(yu)預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)束(shu)出(chu)現(xian)(xian)多(duo)次反彎,預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋內各根鋼(gang)絞線的(de)(de)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)波(bo)動稍小(xiao),故實(shi)測(ce)伸(shen)(shen)長(chang)(chang)(chang)值(zhi)偏長(chang)(chang)(chang)的(de)(de)幅度小(xiao)。 U形束(shu)采用塑(su)料(liao)波(bo)紋(wen)管(guan)成孔,塑(su)料(liao)波(bo)紋(wen)管(guan)成孔的(de)(de)預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋伸(shen)(shen)長(chang)(chang)(chang)值(zhi)偏長(chang)(chang)(chang),鋼(gang)管(guan)成孔的(de)(de)伸(shen)(shen)長(chang)(chang)(chang)稍小(xiao),伸(shen)(shen)長(chang)(chang)(chang)值(zhi)與(yu)成孔材料(liao)的(de)(de)關系有(you)待進一步研(yan)究。 配有(you)大(da)(da)曲(qu)率預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋的(de)(de)預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)結構在設(she)計(ji)(ji)時(shi),當(dang)預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋的(de)(de)曲(qu)率半(ban)徑小(xiao)于(yu)最小(xiao)曲(qu)率半(ban)徑時(shi),設(she)計(ji)(ji)人(ren)員應(ying)(ying)(ying)(ying)(ying)(ying)(ying)適(shi)當(dang)降低張(zhang)拉控制(zhi)(zhi)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)。U形束(shu)的(de)(de)張(zhang)拉控制(zhi)(zhi)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)宜不(bu)大(da)(da)于(yu)0.65fptk;多(duo)波(bo)曲(qu)線預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋,張(zhang)拉控制(zhi)(zhi)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)大(da)(da)于(yu)0.70fptk,并(bing)建議(yi)施(shi)工(gong)中(zhong)不(bu)超張(zhang)拉。 這種大(da)(da)曲(qu)率預(yu)(yu)應(ying)(ying)(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)(li)(li)(li)(li)(li)筋的(de)(de)伸(shen)(shen)長(chang)(chang)(chang)值(zhi)不(bu)能采用現(xian)(xian)行規范公式(shi)(shi)計(ji)(ji)算。理論伸(shen)(shen)長(chang)(chang)(chang)值(zhi)的(de)(de)計(ji)(ji)算方法還需進一步的(de)(de)研(yan)究與(yu)探討,現(xian)(xian)階段應(ying)(ying)(ying)(ying)(ying)(ying)(ying)采取在正式(shi)(shi)張(zhang)拉之前(qian),通過(guo)抽樣(yang)試驗來確定伸(shen)(shen)長(chang)(chang)(chang)值(zhi)的(de)(de)控制(zhi)(zhi)值(zhi)。
★抽(chou)拔(ba)(ba)管表(biao)面(mian)千(qian)萬(wan)別涂油(you)(you)(you)類隔離(li)劑 ★在抽(chou)拔(ba)(ba)管使(shi)(shi)(shi)用(yong)一段時(shi)間后,檢查抽(chou)拔(ba)(ba)管上是否有劃傷裂紋,如順(shun)軸向(xiang)出現裂紋不(bu)影(ying)響使(shi)(shi)(shi)用(yong)。如沿(yan)徑(jing)向(xiang)有裂紋深度2mm以上,請停止使(shi)(shi)(shi)用(yong)。 ★在不(bu)用(yong)時(shi)應避高溫(wen)、日光(guang)照射及(ji)(ji)接觸腐蝕性物品。橡(xiang)(xiang)(xiang)膠(jiao)(jiao)密(mi)封(feng)(feng)圈(quan)是由(you)一個(ge)或幾個(ge)零件組成的(de)(de)(de)環形罩,固定在軸承的(de)(de)(de)一個(ge)套(tao)圈(quan)或墊圈(quan)上并(bing)與另(ling)一套(tao)圈(quan)或墊圈(quan)接觸或形成窄(zhai)的(de)(de)(de)迷宮間隙,防止潤滑油(you)(you)(you)漏(lou)出及(ji)(ji)外物侵入。 橡(xiang)(xiang)(xiang)膠(jiao)(jiao)密(mi)封(feng)(feng)圈(quan)的(de)(de)(de)類別 1.O型密(mi)封(feng)(feng)圈(quan)系列 擁(yong)有氟橡(xiang)(xiang)(xiang)膠(jiao)(jiao),丁(ding)晴(qing)(qing)膠(jiao)(jiao),硅膠(jiao)(jiao)等(deng)(deng)多(duo)(duo)種(zhong)(zhong)(zhong)材(cai)(cai)質的(de)(de)(de)產(chan)(chan)(chan)品,廣(guang)(guang)(guang)泛應用(yong)于各種(zhong)(zhong)(zhong)機械(xie)(xie)(xie),耐(nai)(nai)各類石油(you)(you)(you)基油(you)(you)(you)及(ji)(ji)多(duo)(duo)種(zhong)(zhong)(zhong)化(hua)學介(jie)質:運用(yong)不(bu)膠(jiao)(jiao)種(zhong)(zhong)(zhong)可(ke)滿足(zu)-60℃-300℃的(de)(de)(de)溫(wen)度區域,使(shi)(shi)(shi)用(yong)壓(ya)力范圍:lt,10MPa(液壓(ya)),lt,1MPa(氣動(dong))lt,16MPa(靜密(mi)封(feng)(feng))的(de)(de)(de)丁(ding)晴(qing)(qing)膠(jiao)(jiao)及(ji)(ji)耐(nai)(nai)汽(qi)油(you)(you)(you)配(pei)(90,93,97)膨脹率為0。 2.Y型密(mi)封(feng)(feng)圈(quan) 擁(yong)氟膠(jiao)(jiao)、丁(ding)晴(qing)(qing)膠(jiao)(jiao),氯橡(xiang)(xiang)(xiang)膠(jiao)(jiao)等(deng)(deng)多(duo)(duo)種(zhong)(zhong)(zhong)材(cai)(cai)質的(de)(de)(de)產(chan)(chan)(chan)品,廣(guang)(guang)(guang)泛應用(yong)于液壓(ya)、機械(xie)(xie)(xie)、氣動(dong)等(deng)(deng)行業(ye)。耐(nai)(nai)種(zhong)(zhong)(zhong)石油(you)(you)(you)基油(you)(you)(you)個(ge)有極佳(jia)耐(nai)(nai)磨性,選(xuan)用(yong)不(bu)同膠(jiao)(jiao)種(zhong)(zhong)(zhong)可(ke)滿足(zu)-60℃-300℃的(de)(de)(de)溫(wen)度區域。 3.硅橡(xiang)(xiang)(xiang)膠(jiao)(jiao)系列 配(pei)備(bei)(bei)先進的(de)(de)(de)檢測設(she)備(bei)(bei),潔凈的(de)(de)(de)無塵(chen)車間。產(chan)(chan)(chan)品廣(guang)(guang)(guang)泛應用(yong)于電(dian)(dian)子、醫療器械(xie)(xie)(xie)、食品等(deng)(deng)行業(ye)。膠(jiao)(jiao)種(zhong)(zhong)(zhong)選(xuan)用(yong)多(duo)(duo)種(zhong)(zhong)(zhong)國(guo)產(chan)(chan)(chan)、進口硅膠(jiao)(jiao),使(shi)(shi)(shi)用(yong)溫(wen)度可(ke)滿足(zu)-60°—300°C,產(chan)(chan)(chan)品可(ke)滿足(zu)耐(nai)(nai)油(you)(you)(you)、耐(nai)(nai)蒸汽(qi),醫用(yong)、食用(yong)全透明(ming),高強度,阻(zu)燃(ran)、導電(dian)(dian)硅橡(xiang)(xiang)(xiang)膠(jiao)(jiao)等(deng)(deng)。