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塑料波紋管能為預應力筋供給一種遠遠優于金屬波紋管的屏障維護效果

* 來源: * 作者: * 發表時間: 2022-09-08 2:52:10 * 瀏覽: 487

南京鋼波紋管廠家直銷塑(su)(su)料波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)能為(wei)預(yu)應力(li)筋供(gong)給一種(zhong)遠遠優于(yu)(yu)金(jin)(jin)屬波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)的屏障維(wei)護效果,能避免(mian)有(you)(you)害物質穿(chuan)透管(guan)道的污染,然后保(bao)證了后張(zhang)預(yu)應力(li)結(jie)構具有(you)(you)更好(hao)的耐久性(xing),  同等(deng)條件下(xia),SBG(B)塑(su)(su)料波(bo)(bo)管(guan)預(yu)留(liu)孔道的摩擦(ca)系(xi)數顯著小于(yu)(yu)金(jin)(jin)屬波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)預(yu)留(liu)孔道的摩擦(ca)系(xi)數,減小了張(zhang)拉過程中預(yu)應力(li)的摩擦(ca)損失一般地,塑(su)(su)料波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)的摩擦(ca)系(xi)數取0.14,而金(jin)(jin)屬波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)的摩擦(ca)系(xi)數取0.25。(0.2-0.25)公路(lu)橋規,誤差系(xi)數為(wei)0.0015,  塑(su)(su)料波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)的強度高,不(bu)(bu)怕踩壓(ya),不(bu)(bu)易被振搗捧鑿破,其密封性(xing)能和抗滲漏(lou)性(xing)能高于(yu)(yu)金(jin)(jin)屬波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan),更適用于(yu)(yu)真空灌漿,  塑(su)(su)料波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)不(bu)(bu)導(dao)電(dian),能夠避免(mian)雜散電(dian)流腐蝕,而金(jin)(jin)屬是(shi)電(dian)的良導(dao)體(ti),  塑(su)(su)料波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)具有(you)(you)更好(hao)的耐勞性(xing)能,能大(da)(da)大(da)(da)提高構件的抗疲勞能力(li)。。

pp-r管許多預(yu)應力(li)結構承受著外(wai)界嚴(yan)峻的影(ying)響,如除冰鹽或(huo)鹽水(shui)(shui)當后張構件(jian)因(yin)為防水(shui)(shui)層的崩潰、微裂縫(feng)漏(lou)水(shui)(shui)和(he)排水(shui)(shui)設施的堵塞或(huo)失(shi)效時,預(yu)應力(li)筋就會可(ke)能(neng)受到腐蝕作(zuo)用。。

南京鋼帶增強螺旋波紋管生產控制(zhi)閥(fa)(fa)(fa)(fa)上(shang)的(de)(de)(de)(de)波(bo)紋(wen)(wen)管所(suo)起(qi)的(de)(de)(de)(de)作(zuo)用(yong)(yong)只有(you)一個——隔離,主要(yao)分三(san)(san)種:一種是(shi)(shi)(shi)防(fang)止閥(fa)(fa)(fa)(fa)內(nei)(nei)介質(zhi)擴散到外(wai)界,就是(shi)(shi)(shi)針對閥(fa)(fa)(fa)(fa)門(men)內(nei)(nei)所(suo)流介質(zhi)為化(hua)學性質(zhi)活潑或有(you)毒(du)有(you)害的(de)(de)(de)(de)氣體(ti)、易揮發的(de)(de)(de)(de)液體(ti)及珍貴的(de)(de)(de)(de)介質(zhi),例(li)如氯(lv)(lv)氣、硅粉等等但是(shi)(shi)(shi)塑(su)(su)料(liao)(liao)波(bo)紋(wen)(wen)管的(de)(de)(de)(de)應(ying)用(yong)(yong)受三(san)(san)個因(yin)素的(de)(de)(de)(de)限制(zhi),一個是(shi)(shi)(shi)閥(fa)(fa)(fa)(fa)門(men)所(suo)處環(huan)境(jing)的(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)及介質(zhi)的(de)(de)(de)(de)溫(wen)(wen)(wen)度(du),溫(wen)(wen)(wen)度(du)太高(gao)輕易造(zao)成波(bo)紋(wen)(wen)管的(de)(de)(de)(de)老化(hua)變(bian)形,所(suo)以它的(de)(de)(de)(de)長期使用(yong)(yong)溫(wen)(wen)(wen)度(du)一般不(bu)超過180°C,低溫(wen)(wen)(wen)情況下沒有(you)詳細要(yao)求;二(er)是(shi)(shi)(shi)受管道(dao)內(nei)(nei)壓力(li)(li)限制(zhi)(一般選擇塑(su)(su)料(liao)(liao)波(bo)紋(wen)(wen)管的(de)(de)(de)(de)工況壓力(li)(li)不(bu)高(gao)于(yu)12公斤),壓力(li)(li)過高(gao)則會將閥(fa)(fa)(fa)(fa)門(men)內(nei)(nei)襯(chen)材料(liao)(liao)從(cong)閥(fa)(fa)(fa)(fa)門(men)內(nei)(nei)壁(bi)吸出(chu),造(zao)成閥(fa)(fa)(fa)(fa)門(men)堵塞;另一個因(yin)素就是(shi)(shi)(shi)介質(zhi)的(de)(de)(de)(de)化(hua)學性質(zhi),塑(su)(su)料(liao)(liao)波(bo)紋(wen)(wen)管可應(ying)用(yong)(yong)在甲酸(suan)(suan)、鹽酸(suan)(suan)、氯(lv)(lv)化(hua)物等強侵蝕(shi)性介質(zhi)上(shang),但是(shi)(shi)(shi)當介質(zhi)是(shi)(shi)(shi)與(yu)其(qi)分子式相(xiang)(xiang)似的(de)(de)(de)(de)介質(zhi)時(shi),就會發生(sheng)相(xiang)(xiang)似相(xiang)(xiang)溶,此時(shi)不(bu)可應(ying)用(yong)(yong),例(li)如四氯(lv)(lv)化(hua)硅。。

纏繞管加工    2、真(zhen)空(kong)(kong)(kong)(kong)(kong)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)施工(gong)工(gong)藝    (1)預(yu)應(ying)力(li)(li)筋(jin)成(cheng)孔(kong)管材預(yu)應(ying)力(li)(li)混凝土構件中(zhong)有采(cai)(cai)用(yong)(yong)(yong)(yong)直束(shu)、彎曲(qu)和U型束(shu)等(deng)的(de)(de)(de)(de)布筋(jin)方(fang)式,金(jin)屬波(bo)(bo)紋(wen)管在(zai)預(yu)應(ying)力(li)(li)筋(jin)管成(cheng)孔(kong)方(fang)面不能滿(man)足小半徑的(de)(de)(de)(de)彎曲(qu)及(ji)U型束(shu)的(de)(de)(de)(de)布筋(jin)要求(qiu),故(gu)采(cai)(cai)用(yong)(yong)(yong)(yong)新型成(cheng)孔(kong)材料(liao)mdash,mdash,塑料(liao)波(bo)(bo)紋(wen)管與金(jin)屬波(bo)(bo)紋(wen)管相比(bi),在(zai)強度(du)(du)和耐(nai)腐蝕方(fang)面,有更好(hao)(hao)的(de)(de)(de)(de)保(bao)護作(zuo)用(yong)(yong)(yong)(yong)。    (2).施工(gong)步驟s*先,準備工(gong)作(zuo)    ①檢(jian)(jian)查確認(ren)材料(liao)數(shu)量(liang)(liang),種類是(shi)否(fou)(fou)齊備,品質是(shi)否(fou)(fou)保(bao)證(zheng),②檢(jian)(jian)查機(ji)具是(shi)否(fou)(fou)齊備、完好(hao)(hao),③檢(jian)(jian)查供(gong)水(shui)(shui)(shui)、供(gong)電是(shi)否(fou)(fou)齊全(quan)、方(fang)便,④按(an)配方(fang)秤量(liang)(liang)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)(ti)材料(liao),減水(shui)(shui)(shui)劑s*先溶于一(yi)(yi)部分(fen)水(shui)(shui)(shui),待(dai)用(yong)(yong)(yong)(yong),⑤按(an)圖所示連接(jie)裝好(hao)(hao)各部件。    第二,試抽真(zhen)空(kong)(kong)(kong)(kong)(kong):將(jiang)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)閥(fa)、排(pai)氣(qi)閥(fa)全(quan)都(dou)關(guan)閉,抽真(zhen)空(kong)(kong)(kong)(kong)(kong)閥(fa)找開(kai),啟動真(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)抽真(zhen)空(kong)(kong)(kong)(kong)(kong),觀察真(zhen)空(kong)(kong)(kong)(kong)(kong)壓(ya)力(li)(li)表讀數(shu),即管內的(de)(de)(de)(de)真(zhen)空(kong)(kong)(kong)(kong)(kong)度(du)(du),當(dang)管內的(de)(de)(de)(de)真(zhen)空(kong)(kong)(kong)(kong)(kong)度(du)(du)維持(chi)在(zai)時(shi)(shi)(shi)(壓(ya)力(li)(li)盡(jin)量(liang)(liang)低為好(hao)(hao)),停泵(beng)(beng)約1分(fen)鐘(zhong)時(shi)(shi)(shi)間,若壓(ya)力(li)(li)能保(bao)持(chi)不變即可認(ren)為孔(kong)道能達到并維持(chi)真(zhen)空(kong)(kong)(kong)(kong)(kong)。    (3)攪(jiao)(jiao)拌(ban)水(shui)(shui)(shui)泥(ni)(ni)(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)①攪(jiao)(jiao)拌(ban)水(shui)(shui)(shui)泥(ni)(ni)(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)之前要求(qiu),加水(shui)(shui)(shui)空(kong)(kong)(kong)(kong)(kong)轉數(shu)分(fen)鐘(zhong),將(jiang)積水(shui)(shui)(shui)倒(dao)凈,使(shi)攪(jiao)(jiao)拌(ban)機(ji)內壁充分(fen)濕(shi)潤。攪(jiao)(jiao)拌(ban)好(hao)(hao)的(de)(de)(de)(de)灰漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)要做(zuo)至基本御(yu)盡(jin)。②裝料(liao):s*先將(jiang)稱(cheng)量(liang)(liang)好(hao)(hao)的(de)(de)(de)(de)水(shui)(shui)(shui)(扣(kou)除用(yong)(yong)(yong)(yong)于溶化減水(shui)(shui)(shui)劑的(de)(de)(de)(de)那部分(fen)水(shui)(shui)(shui))、水(shui)(shui)(shui)泥(ni)(ni)(ni)(ni)、膨脹水(shui)(shui)(shui)泥(ni)(ni)(ni)(ni)、粉(fen)煤灰倒(dao)入(ru)攪(jiao)(jiao)拌(ban)機(ji),攪(jiao)(jiao)拌(ban)2分(fen)鐘(zhong),將(jiang)溶于水(shui)(shui)(shui)的(de)(de)(de)(de)減水(shui)(shui)(shui)劑倒(dao)入(ru)攪(jiao)(jiao)拌(ban)機(ji)中(zhong),攪(jiao)(jiao)拌(ban)3分(fen)鐘(zhong)出(chu)(chu)料(liao),水(shui)(shui)(shui)泥(ni)(ni)(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)出(chu)(chu)料(liao)后(hou)(hou)應(ying)盡(jin)量(liang)(liang)馬上進(jin)行泵(beng)(beng)送(song),否(fou)(fou)則要不停地(di)攪(jiao)(jiao)拌(ban),必須嚴(yan)格控制用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)量(liang)(liang),否(fou)(fou)則多加的(de)(de)(de)(de)水(shui)(shui)(shui)全(quan)部泌出(chu)(chu),易(yi)造成(cheng)管道頂端有空(kong)(kong)(kong)(kong)(kong)隙,對(dui)未及(ji)時(shi)(shi)(shi)使(shi)用(yong)(yong)(yong)(yong)而降低了流(liu)(liu)動性(xing)(xing)的(de)(de)(de)(de)水(shui)(shui)(shui)泥(ni)(ni)(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang),嚴(yan)禁采(cai)(cai)用(yong)(yong)(yong)(yong)增加水(shui)(shui)(shui)的(de)(de)(de)(de)辦法(fa)來增加灰漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)的(de)(de)(de)(de)流(liu)(liu)動性(xing)(xing)。    (4)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)①將(jiang)灰漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)加至灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)中(zhong),在(zai)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)的(de)(de)(de)(de)高壓(ya)橡(xiang)膠管出(chu)(chu)口(kou)打(da)(da)出(chu)(chu)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)(ti),待(dai)這些漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)(ti)濃度(du)(du)與灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)中(zhong)的(de)(de)(de)(de)濃度(du)(du)一(yi)(yi)樣(yang)時(shi)(shi)(shi),關(guan)掉(diao)(diao)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng),將(jiang)高壓(ya)橡(xiang)膠管此端接(jie)至孔(kong)道的(de)(de)(de)(de)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)管上,扎牢。②關(guan)掉(diao)(diao)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)閥(fa),啟動真(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng),當(dang)真(zhen)空(kong)(kong)(kong)(kong)(kong)度(du)(du)達到度(du)(du)維持(chi)在(zai)-0.06~-0.09MPa值時(shi)(shi)(shi),啟動灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng),打(da)(da)開(kai)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)閥(fa),開(kai)始灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang),當(dang)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)(ti)經過空(kong)(kong)(kong)(kong)(kong)氣(qi)濾清(qing)器時(shi)(shi)(shi),關(guan)掉(diao)(diao)真(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)及(ji)抽氣(qi)閥(fa),打(da)(da)開(kai)排(pai)氣(qi)閥(fa)。③觀察排(pai)氣(qi)管的(de)(de)(de)(de)出(chu)(chu)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)情況,當(dang)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)(ti)稠度(du)(du)和灌(guan)(guan)(guan)入(ru)之稠度(du)(du)一(yi)(yi)樣(yang)時(shi)(shi)(shi),關(guan)掉(diao)(diao)排(pai)氣(qi)閥(fa),仍繼續灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)2~分(fen)鐘(zhong),使(shi)管道內有一(yi)(yi)定的(de)(de)(de)(de)壓(ya)力(li)(li),z*后(hou)(hou)關(guan)掉(diao)(diao)灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)閥(fa)。    (5)清(qing)洗拆下抽真(zhen)空(kong)(kong)(kong)(kong)(kong)管的(de)(de)(de)(de)兩個活接(jie),卸下真(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng),拆下空(kong)(kong)(kong)(kong)(kong)氣(qi)濾清(qing)器和灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)膠管,清(qing)洗灌(guan)(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)、攪(jiao)(jiao)拌(ban)機(ji)、閥(fa)門(men)、空(kong)(kong)(kong)(kong)(kong)氣(qi)濾清(qing)器以(yi)及(ji)粘有灰漿(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)(jiang)的(de)(de)(de)(de)工(gong)具。

南京排水排污管價格4、按(an)(an)(an)下(xia)(xia)ldquo,開始按(an)(an)(an)鈕(niu)促進鐘擺(bai)在現(xian)場設置高且穩定(ding)已裝船清潔機(ji)擺(bai)打圈所有(you)的(de)(de)(de)障(zhang)礙和(he)大的(de)(de)(de)能量刻度(du)表(biao)盤指(zhi)(zhi)(zhi)針(zhen)5、按(an)(an)(an)下(xia)(xia)ldquo,測試(shi)按(an)(an)(an)鈕(niu)錘(chui)(chui)(chui)擊斷樣(yang)本(ben)鐘擺(bai)停(ting)止了擺(bai)動(dong)后寫下(xia)(xia)能量的(de)(de)(de)影(ying)響(xiang)(xiang)(xiang)。測試(shi)結束后關閉電源(yuan)操作和(he)機(ji)電源(yuan)的(de)(de)(de)影(ying)響(xiang)(xiang)(xiang)把(ba)運營商(shang)回(hui)到的(de)(de)(de)地方。6、具體的(de)(de)(de)測試(shi)步驟:將沖(chong)(chong)擊錘(chui)(chui)(chui)上升到alpha,角(jiao)(150)固(gu)定(ding)在固(gu)定(ding)鉤(gou)。指(zhi)(zhi)(zhi)針(zhen)接近拉(la)桿此(ci)時(shi)指(zhi)(zhi)(zhi)針(zhen)應該顯(xian)示(shi)150。按(an)(an)(an)固(gu)定(ding)鉤(gou)使沖(chong)(chong)擊錘(chui)(chui)(chui)自(zi)由下(xia)(xia)落將樣(yang)本(ben)推力。閱讀指(zhi)(zhi)(zhi)數表(biao)明(ming)beta,角(jiao)和(he)記(ji)(ji)錄(lu)(lu)。沒(mei)有(you)樣(yang)本(ben)從(cong)(cong)阿爾法(fa)的(de)(de)(de)角(jiao)度(du)將影(ying)響(xiang)(xiang)(xiang)錘(chui)(chui)(chui)讀指(zhi)(zhi)(zhi)針(zhen)指(zhi)(zhi)(zhi)示(shi)alpha,角(jiao)的(de)(de)(de)和(he)記(ji)(ji)錄(lu)(lu)。沒(mei)有(you)樣(yang)品因為beta,角(jiao)度(du)將影(ying)響(xiang)(xiang)(xiang)錘(chui)(chui)(chui)下(xia)(xia)降(jiang)讀指(zhi)(zhi)(zhi)針(zhen)指(zhi)(zhi)(zhi)示(shi)的(de)(de)(de)角(jiao)beta,和(he)記(ji)(ji)錄(lu)(lu)。沒(mei)有(you)樣(yang)本(ben)將錘(chui)(chui)(chui)從(cong)(cong)alpha,角(jiao)的(de)(de)(de)影(ying)響(xiang)(xiang)(xiang)。不(bu)要移(yi)動(dong)光標(biao)使沖(chong)(chong)擊錘(chui)(chui)(chui)自(zi)由下(xia)(xia)落指(zhi)(zhi)(zhi)針(zhen)會再次上升如此(ci)反復直到指(zhi)(zhi)(zhi)數不(bu)再移(yi)動(dong),記(ji)(ji)錄(lu)(lu)該指(zhi)(zhi)(zhi)數表(biao)示(shi)的(de)(de)(de)角(jiao)度(du)theta,和(he)記(ji)(ji)錄(lu)(lu)。

它是利用其(qi)高強度,高彈性和(he)橡膠體積不可(ke)(ke)(ke)(ke)壓縮(suo)性能(neng),在管(guan)(guan)體軸向受(shou)力(li)時(shi),會軸向伸長,徑向自(zi)然彎細抽拔(ba)(ba)有力(li),施(shi)工(gong)方(fang)便(bian),可(ke)(ke)(ke)(ke)反(fan)復(fu)(fu)使(shi)(shi)(shi)用,壽命長,表面光(guang)滑,平整度好,預(yu)留孔(kong)孔(kong)壁(bi)光(guang)滑,且(qie)抽拔(ba)(ba)時(shi)不受(shou)混凝(ning)(ning)土(tu)(tu)凝(ning)(ning)固(gu)時(shi)間的(de)限制(zhi),經(jing)(jing)(jing)濟效(xiao)益是顯(xian)(xian)而易見,受(shou)到(dao)廣大客戶的(de)青睞和(he)好評。  抽拔(ba)(ba)管(guan)(guan)的(de)產品(pin)特點(dian):  1、抽拔(ba)(ba)管(guan)(guan)較大特點(dian)是能(neng)降(jiang)低工(gong)程(cheng)成(cheng)(cheng)本(ben)(ben)。反(fan)復(fu)(fu)使(shi)(shi)(shi)用達(da)100-200次,經(jing)(jing)(jing)濟合算,與金屬波紋(wen)(wen)管(guan)(guan)和(he)塑料波紋(wen)(wen)管(guan)(guan)相比,大大降(jiang)低了(le)成(cheng)(cheng)本(ben)(ben),其(qi)經(jing)(jing)(jing)濟效(xiao)益是顯(xian)(xian)而易見的(de)。  2、孔(kong)壁(bi)光(guang)滑,尺寸(cun)準確,成(cheng)(cheng)孔(kong)精度高。  3、在混凝(ning)(ning)土(tu)(tu)初凝(ning)(ning)任何時(shi)間內都可(ke)(ke)(ke)(ke)抽拔(ba)(ba),可(ke)(ke)(ke)(ke)縮(suo)短工(gong)期(qi)。  4、人力(li)、卷揚機(ji)、工(gong)程(cheng)車(che)均可(ke)(ke)(ke)(ke)抽拔(ba)(ba),操作簡單(dan)。  5、可(ke)(ke)(ke)(ke)卷屈成(cheng)(cheng)捆,運輸、保存均很方(fang)便(bian)。  使(shi)(shi)(shi)用方(fang)法:  抽拔(ba)(ba)管(guan)(guan)的(de)使(shi)(shi)(shi)用方(fang)法非(fei)常簡單(dan),用固(gu)定(ding)(ding)環將(jiang)抽拔(ba)(ba)管(guan)(guan)固(gu)定(ding)(ding)在正(zheng)確的(de)位(wei)置上,固(gu)定(ding)(ding)環的(de)間隔以能(neng)控制(zhi)懸垂(chui)為準,一般約為300-500mm。澆注混凝(ning)(ning)土(tu)(tu),待混凝(ning)(ning)土(tu)(tu)凝(ning)(ning)固(gu)后抽拔(ba)(ba)即可(ke)(ke)(ke)(ke),如想減少(shao)固(gu)定(ding)(ding)環個數(shu),可(ke)(ke)(ke)(ke)在抽拔(ba)(ba)管(guan)(guan)的(de)中(zhong)孔(kong)內穿入一定(ding)(ding)直徑的(de)鋼筋。抽拔(ba)(ba)工(gong)具:卷揚機(ji)、工(gong)程(cheng)車(che)。

電力電器高壓柜PVC鋼絲纏繞管和各種中空吹塑制品本擁(yong)有雄厚的(de)(de)(de)技術力量(liang),完整的(de)(de)(de)測試手(shou)段,可靠的(de)(de)(de)質(zhi)量(liang)保證,生產設備齊全,以低價優質(zhi)來贏得客戶的(de)(de)(de)信(xin)任(ren),本竭誠為廣大國內(nei)外客戶提供,更(geng)精,更(geng)美,更(geng)優的(de)(de)(de)產品。抗震支(zhi)架(jia)綜合支(zhi)架(jia)預埋槽,。