堆(dui)(dui)積(ji)體錨索(suo)鉆孔跟管鉆進工(gong)藝技術的(de)(de)應(ying)用(yong)(yong)樓日新(成都理工(gong)大(da)學,四(si)川(chuan)(chuan)成都610059)關鍵(jian)詞:滑(hua)(hua)(hua)(hua)坡(po)(po)(po)治理;沖擊(ji)跟管鉆進;堆(dui)(dui)積(ji)體;錨索(suo);抗滑(hua)(hua)(hua)(hua)樁;川(chuan)(chuan)藏公路(lu)(lu)(lu)(lu)(lu)工(gong)程(cheng)(cheng)摘要:川(chuan)(chuan)藏公路(lu)(lu)(lu)(lu)(lu)二(er)郎(lang)(lang)山(shan)(shan)隧(sui)道是(shi)國家(jia)“九五”重點建設(she)工(gong)程(cheng)(cheng)。長(chang)期以來龍(long)(long)膽(dan)溪(xi)滑(hua)(hua)(hua)(hua)坡(po)(po)(po)影響川(chuan)(chuan)藏公路(lu)(lu)(lu)(lu)(lu)這(zhe)一交通大(da)動脈,由于緊鄰公路(lu)(lu)(lu)(lu)(lu)的(de)(de)滑(hua)(hua)(hua)(hua)坡(po)(po)(po)體規模(mo)(mo)大(da),滑(hua)(hua)(hua)(hua)面(mian)深(shen)、穩定性(xing)(xing)差(cha),設(she)計采(cai)用(yong)(yong)了(le)較(jiao)長(chang)的(de)(de)堆(dui)(dui)積(ji)體錨索(suo)(76m)和較(jiao)深(shen)的(de)(de)堆(dui)(dui)積(ji)體抗滑(hua)(hua)(hua)(hua)樁(65m),而在國內外(wai)還沒有(you)類似工(gong)程(cheng)(cheng)的(de)(de)成功經驗,特別是(shi)在松散(san)堆(dui)(dui)積(ji)體中(zhong)進行大(da)口徑跟管鉆進,其(qi)難度很(hen)大(da)。結(jie)合(he)工(gong)程(cheng)(cheng)實(shi)踐,前面(mian)次成功開(kai)發對(dui)心式、自銳(rui)式跟管鉆具及配套的(de)(de)工(gong)藝技術,很(hen)好地解決了(le)工(gong)程(cheng)(cheng)難題,并針(zhen)對(dui)不(bu)同性(xing)(xing)狀的(de)(de)堆(dui)(dui)積(ji)體提(ti)出了(le)相應(ying)的(de)(de)施(shi)工(gong)措施(shi)。B1工(gong)程(cheng)(cheng)滑(hua)(hua)(hua)(hua)坡(po)(po)(po)體概況川(chuan)(chuan)藏公路(lu)(lu)(lu)(lu)(lu)二(er)郎(lang)(lang)山(shan)(shan)隧(sui)道是(shi)國家(jia)“九五”重點建設(she)工(gong)程(cheng)(cheng)。龍(long)(long)膽(dan)溪(xi)滑(hua)(hua)(hua)(hua)坡(po)(po)(po)(1號)位于四(si)川(chuan)(chuan)省(sheng)天全縣(xian)二(er)郎(lang)(lang)山(shan)(shan)隧(sui)道東(dong)(dong)口龍(long)(long)膽(dan)溪(xi)右岸,國道318線K2729+920～K2730+425處。滑(hua)(hua)(hua)(hua)坡(po)(po)(po)地形陡峻(jun),平(ping)均坡(po)(po)(po)度約43°,前后緣海撥分別為1840m和2135m。滑(hua)(hua)(hua)(hua)坡(po)(po)(po)分東(dong)(dong)西(xi)(xi)兩塊:K2729+920～K2730+165為東(dong)(dong)塊,K2730+166～425為西(xi)(xi)塊。從監測資(zi)料和工(gong)程(cheng)(cheng)施(shi)工(gong)所能揭示的(de)(de)情況看,西(xi)(xi)塊滑(hua)(hua)(hua)(hua)體自公路(lu)(lu)(lu)(lu)(lu)為界(jie)分為上(shang)下(xia)(xia)多級,下(xia)(xia)級又分為淺、中(zhong)、深(shen)三層滑(hua)(hua)(hua)(hua)面(mian)。其(qi)中(zhong)好活躍的(de)(de)是(shi)緊鄰公路(lu)(lu)(lu)(lu)(lu)的(de)(de)上(shang)級滑(hua)(hua)(hua)(hua)坡(po)(po)(po)和下(xia)(xia)級的(de)(de)第三層滑(hua)(hua)(hua)(hua)面(mian)。西(xi)(xi)塊規模(mo)(mo)大(da),滑(hua)(hua)(hua)(hua)面(mian)深(shen)、穩定性(xing)(xing)差(cha)。跟管可以根(gen)據需要進行彎(wan)曲和彎(wan)折，適應(ying)復雜的(de)(de)布線環(huan)境。山(shan)(shan)東(dong)(dong)實(shi)華機械(xie)跟管廠家(jia)供(gong)應(ying)

排水(shui)(shui)管(guan)(guan)(guan)道(dao)(dao)(dao)鋼(gang)板內襯(chen)修改(gai)(gai)，適用(yong)(yong)(yong)(yong)(yong)于大口徑管(guan)(guan)(guan)道(dao)(dao)(dao)接口錯位(wei)、滲漏的(de)(de)(de)免開挖(wa)接口柔性(xing)修改(gai)(gai)工(gong)藝(yi)技(ji)術，具有(you)規劃(hua)合(he)理、實(shi)用(yong)(yong)(yong)(yong)(yong)性(xing)強、修改(gai)(gai)質量(liang)高、施(shi)(shi)工(gong)簡練、工(gong)期短、施(shi)(shi)工(gong)不受地上(shang)交通、環(huan)境溫濕度的(de)(de)(de)影(ying)響(xiang)等特點。修復流(liu)程：通風(feng)檢(jian)(jian)(jian)(jian)測(ce)。翻開施(shi)(shi)工(gong)管(guan)(guan)(guan)段檢(jian)(jian)(jian)(jian)查(cha)(cha)井(jing)(jing)(jing)及前后檢(jian)(jian)(jian)(jian)查(cha)(cha)井(jing)(jing)(jing)自然通風(feng)或(huo)機(ji)(ji)械通風(feng)30分鐘，運(yun)用(yong)(yong)(yong)(yong)(yong)毒氣(qi)檢(jian)(jian)(jian)(jian)測(ce)儀對施(shi)(shi)工(gong)管(guan)(guan)(guan)段作業(ye)(ye)井(jing)(jing)(jing)內進行(xing)(xing)上(shang)中下(xia)3個部位(wei)有(you)毒有(you)害氣(qi)體(ti)(ti)檢(jian)(jian)(jian)(jian)測(ce)。氣(qi)體(ti)(ti)檢(jian)(jian)(jian)(jian)測(ce)合(he)格方(fang)(fang)可施(shi)(shi)作業(ye)(ye)業(ye)(ye)，氣(qi)體(ti)(ti)檢(jian)(jian)(jian)(jian)測(ce)不合(he)格須繼續通風(feng)，直到(dao)氣(qi)體(ti)(ti)檢(jian)(jian)(jian)(jian)測(ce)合(he)格。封(feng)堵(du)(du)導流(liu)。氣(qi)囊封(feng)堵(du)(du)加砌筑封(feng)堵(du)(du)墻封(feng)堵(du)(du)施(shi)(shi)工(gong)管(guan)(guan)(guan)段上(shang)游(you)檢(jian)(jian)(jian)(jian)查(cha)(cha)井(jing)(jing)(jing)出水(shui)(shui)口和下(xia)面檢(jian)(jian)(jian)(jian)查(cha)(cha)井(jing)(jing)(jing)入水(shui)(shui)口，用(yong)(yong)(yong)(yong)(yong)水(shui)(shui)泵從上(shang)游(you)封(feng)堵(du)(du)檢(jian)(jian)(jian)(jian)查(cha)(cha)井(jing)(jing)(jing)的(de)(de)(de)前一個井(jing)(jing)(jing)將水(shui)(shui)導流(liu)至下(xia)面封(feng)堵(du)(du)檢(jian)(jian)(jian)(jian)查(cha)(cha)井(jing)(jing)(jing)的(de)(de)(de)后一個井(jing)(jing)(jing)。施(shi)(shi)工(gong)前預處(chu)理用(yong)(yong)(yong)(yong)(yong)高壓沖刷(shua)吸污車(che)對作業(ye)(ye)管(guan)(guan)(guan)道(dao)(dao)(dao)進行(xing)(xing)沖刷(shua)，將淤積物沖刷(shua)到(dao)檢(jian)(jian)(jian)(jian)查(cha)(cha)井(jing)(jing)(jing)內，用(yong)(yong)(yong)(yong)(yong)吸污車(che)抽(chou)吸潔凈。沖刷(shua)水(shui)(shui)流(liu)方(fang)(fang)向宜依照排水(shui)(shui)水(shui)(shui)流(liu)方(fang)(fang)向共同(tong)。管(guan)(guan)(guan)道(dao)(dao)(dao)外（或(huo)管(guan)(guan)(guan)內）注漿(jiang)固化土體(ti)(ti)工(gong)藝(yi)原理小管(guan)(guan)(guan)徑由路面向管(guan)(guan)(guan)道(dao)(dao)(dao)基層灌漿(jiang)，灌漿(jiang)資料首要(yao)有(you)聚氨酯、水(shui)(shui)泥基類等，現場應(ying)根據不同(tong)的(de)(de)(de)實(shi)際需要(yao)進行(xing)(xing)選擇不同(tong)的(de)(de)(de)資料針(zhen)對存在洼陷(xian)變形、決(jue)裂(lie)滲漏水(shui)(shui)嚴峻部分的(de)(de)(de)管(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)行(xing)(xing)土體(ti)(ti)固化。小管(guan)(guan)(guan)徑土體(ti)(ti)固化施(shi)(shi)工(gong)①施(shi)(shi)工(gong)機(ji)(ji)械鉆孔機(ji)(ji)械：選用(yong)(yong)(yong)(yong)(yong)100型（或(huo)300型）工(gong)程地質鉆機(ji)(ji)，套管(guan)(guan)(guan)護壁(bi)(筆直鉆孔時(shi)選用(yong)(yong)(yong)(yong)(yong))，或(huo)許選用(yong)(yong)(yong)(yong)(yong)跟(gen)管(guan)(guan)(guan)鉆機(ji)(ji)(選用(yong)(yong)(yong)(yong)(yong)108mm套管(guan)(guan)(guan)。青海同(tong)心跟(gen)管(guan)(guan)(guan)施(shi)(shi)工(gong)廠(chang)家跟(gen)管(guan)(guan)(guan)可以有(you)效地減少(shao)電線的(de)(de)(de)混(hun)亂和交叉，方(fang)(fang)便(bian)維護和檢(jian)(jian)(jian)(jian)修。

該【錨(mao)(mao)桿(gan)(gan)、錨(mao)(mao)索(suo)跟(gen)管造孔(kong)工(gong)藝(yi)(yi)施(shi)(shi)工(gong)說(shuo)明】是由【大(da)笑大(da)甜】上傳分(fen)享(xiang)，文(wen)(wen)檔一共【4】頁，該文(wen)(wen)檔可(ke)(ke)以(yi)在線閱讀，需(xu)要了解更多關(guan)于【錨(mao)(mao)桿(gan)(gan)、錨(mao)(mao)索(suo)跟(gen)管造孔(kong)工(gong)藝(yi)(yi)施(shi)(shi)工(gong)說(shuo)明】的(de)(de)內容，可(ke)(ke)以(yi)使用(yong)(yong)淘(tao)豆(dou)網的(de)(de)站(zhan)內搜索(suo)功能，選擇自己適合的(de)(de)文(wen)(wen)檔，以(yi)下文(wen)(wen)字(zi)是截取該文(wen)(wen)章(zhang)內的(de)(de)部(bu)分(fen)文(wen)(wen)字(zi)，如需(xu)要獲(huo)得完(wan)整電子版(ban)，請下載此文(wen)(wen)檔到(dao)您(nin)的(de)(de)設(she)(she)(she)備，方便(bian)您(nin)編(bian)輯和打印(yin)。錨(mao)(mao)桿(gan)(gan)、錨(mao)(mao)索(suo)跟(gen)管造孔(kong)工(gong)藝(yi)(yi)施(shi)(shi)工(gong)說(shuo)明一、工(gong)程(cheng)大(da)要及地(di)質(zhi)(zhi)(zhi)條件DK752+780~DK753+060段(duan)(duan)(duan)十(shi)級邊(bian)坡設(she)(she)(she)計防范(fan)為錨(mao)(mao)桿(gan)(gan)框(kuang)(kuang)架梁,、九(jiu)級邊(bian)坡設(she)(she)(she)計防范(fan)為錨(mao)(mao)索(suo)框(kuang)(kuang)架梁,錨(mao)(mao)桿(gan)(gan)設(she)(she)(she)計長度12m,錨(mao)(mao)索(suo)設(she)(she)(she)計長度25m,九(jiu)、十(shi)級邊(bian)坡內設(she)(she)(she)計地(di)質(zhi)(zhi)(zhi)情況為粉(fen)砂質(zhi)(zhi)(zhi)泥(ni)(ni)巖,褐(he)黃色(se),淺灰(hui)色(se),灰(hui)綠色(se),棕紅色(se),弱風化,泥(ni)(ni)質(zhi)(zhi)(zhi)構造,層(ceng)狀構造,主要礦物(wu)成(cheng)分(fen)為黏土(tu)礦物(wu)及石英(ying),巖質(zhi)(zhi)(zhi)軟(ruan),風干易崩解,層(ceng)厚30m,IV級,δo=400kPa。依(yi)照現(xian)場勘查(cha),DK752+780~DK753+060段(duan)(duan)(duan)九(jiu)、十(shi)級邊(bian)坡內實質(zhi)(zhi)(zhi)地(di)質(zhi)(zhi)(zhi)情況為粗圓礫土(tu),青(qing)灰(hui)色(se),稍濕,中密狀,局部(bu)稍密,充填物(wu)為砂礫,層(ceng)厚約(yue)15~20m,II級,δo=450kPa,與(yu)原設(she)(she)(she)計地(di)質(zhi)(zhi)(zhi)情況不(bu)符,質(zhi)(zhi)(zhi)地(di)不(bu)均,構造松弛,不(bu)能夠被鉆(zhan)(zhan)(zhan)頭(tou)沖擊成(cheng)粉(fen)狀碎塊后排出,造成(cheng)阻力增(zeng)大(da),鉆(zhan)(zhan)(zhan)機無(wu)法(fa)旋(xuan)轉(zhuan),鉆(zhan)(zhan)(zhan)進過程(cheng)的(de)(de)擾動,造成(cheng)已(yi)成(cheng)孔(kong)段(duan)(duan)(duan)塌孔(kong),鉆(zhan)(zhan)(zhan)桿(gan)(gan)波折斷裂,鉆(zhan)(zhan)(zhan)具卡(ka)死,無(wu)法(fa)回收,因(yin)此采(cai)用(yong)(yong)“跟(gen)管”工(gong)藝(yi)(yi),導管與(yu)鉆(zhan)(zhan)(zhan)機鉆(zhan)(zhan)(zhan)頭(tou)同時鉆(zhan)(zhan)(zhan)進。

全(quan)回(hui)轉全(quan)套(tao)(tao)管(guan)(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)機(ji)施(shi)工(gong)工(gong)藝(yi)介紹(shao)#設(she)備(bei)(bei)簡介全(quan)回(hui)轉全(quan)套(tao)(tao)管(guan)(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)機(ji)性(xing)能(neng)參數（日(ri)本車輛制(zhi)(zhi)造株式會(hui)社）主要(yao)(yao)工(gong)作范(fan)圍采用(yong)(yong)本設(she)備(bei)(bei)對成(cheng)墻或成(cheng)樁(zhuang)遇(yu)到的(de)(de)地(di)下(xia)(xia)障(zhang)(zhang)(zhang)(zhang)礙物(wu)進(jin)行消掉(diao)，地(di)下(xia)(xia)障(zhang)(zhang)(zhang)(zhang)礙物(wu)包(bao)括地(di)下(xia)(xia)鋼(gang)筋混凝土(tu)結構、地(di)下(xia)(xia)鋼(gang)結構、地(di)下(xia)(xia)孤石、巖(yan)層(ceng)等;各種直(zhi)徑(jing)鉆(zhan)(zhan)(zhan)孔(kong)(kong)灌注(zhu)樁(zhuang)、預(yu)(yu)制(zhi)(zhi)樁(zhuang)拔(ba)除(chu)(chu)、清(qing)理;3、地(di)下(xia)(xia)結構咬(yao)合圍護樁(zhuang)施(shi)工(gong)，咬(yao)合樁(zhuang)直(zhi)徑(jing)2m~1m;地(di)下(xia)(xia)圍護結構冷縫、繞流缺(que)陷封閉處(chu)理;臨時及長久性(xing)鋼(gang)管(guan)(guan)(guan)(guan)柱精(jing)確(que)定位施(shi)工(gong)，即(ji)蓋挖法施(shi)工(gong)時，鋼(gang)立柱的(de)(de)精(jing)確(que)插入施(shi)工(gong);嵌巖(yan)樁(zhuang)施(shi)工(gong)，直(zhi)徑(jing)2m至1m鉆(zhan)(zhan)(zhan)孔(kong)(kong)灌注(zhu)樁(zhuang)穿越地(di)下(xia)(xia)溶(rong)洞(dong)、巖(yan)層(ceng)時，采用(yong)(yong)全(quan)套(tao)(tao)管(guan)(guan)(guan)(guan)跟進(jin)、切入施(shi)工(gong)。一地(di)下(xia)(xia)障(zhang)(zhang)(zhang)(zhang)礙物(wu)消掉(diao)施(shi)工(gong)地(di)下(xia)(xia)障(zhang)(zhang)(zhang)(zhang)礙物(wu)消掉(diao)施(shi)工(gong)是(shi)利用(yong)(yong)全(quan)回(hui)轉全(quan)套(tao)(tao)管(guan)(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)機(ji)的(de)(de)夾緊系統，夾緊各種直(zhi)徑(jing)的(de)(de)帶特(te)種刀頭(tou)特(te)制(zhi)(zhi)鋼(gang)套(tao)(tao)管(guan)(guan)(guan)(guan)，再通(tong)過(guo)專門配備(bei)(bei)的(de)(de)液(ye)(ye)壓動(dong)力站提供液(ye)(ye)壓動(dong)力，驅動(dong)全(quan)回(hui)轉鉆(zhan)(zhan)(zhan)機(ji)上的(de)(de)液(ye)(ye)壓馬達(da)和升降油缸，將鋼(gang)套(tao)(tao)管(guan)(guan)(guan)(guan)旋轉切入地(di)層(ceng)及地(di)下(xia)(xia)障(zhang)(zhang)(zhang)(zhang)礙物(wu)，然后輔以實用(yong)(yong)帶自(zi)由(you)落鉤的(de)(de)履(lv)帶吊、沖抓斗、十字沖錘(chui)(chui)、楔形錘(chui)(chui)等設(she)備(bei)(bei)、設(she)施(shi)，將套(tao)(tao)管(guan)(guan)(guan)(guan)內土(tu)體及障(zhang)(zhang)(zhang)(zhang)礙物(wu)取(qu)出，從(cong)而將地(di)下(xia)(xia)障(zhang)(zhang)(zhang)(zhang)礙物(wu)消掉(diao)。二拔(ba)除(chu)(chu)各種直(zhi)徑(jing)鉆(zhan)(zhan)(zhan)孔(kong)(kong)灌注(zhu)樁(zhuang)、預(yu)(yu)制(zhi)(zhi)樁(zhuang)施(shi)工(gong)拔(ba)除(chu)(chu)各類灌注(zhu)樁(zhuang)、預(yu)(yu)制(zhi)(zhi)樁(zhuang)施(shi)工(gong)是(shi)利用(yong)(yong)全(quan)回(hui)轉全(quan)套(tao)(tao)管(guan)(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)機(ji)的(de)(de)夾緊系統，夾緊各種直(zhi)徑(jing)的(de)(de)帶特(te)種刀頭(tou)特(te)制(zhi)(zhi)鋼(gang)套(tao)(tao)管(guan)(guan)(guan)(guan)，再通(tong)過(guo)專門配備(bei)(bei)的(de)(de)液(ye)(ye)壓動(dong)力站提供液(ye)(ye)壓動(dong)力。跟管(guan)(guan)(guan)(guan)可(ke)以根據需(xu)要(yao)(yao)進(jin)行防(fang)水和防(fang)塵處(chu)理，提高電線(xian)的(de)(de)可(ke)靠性(xing)。

由于原地(di)(di)質礦(kuang)(kuang)(kuang)產部(bu)(bu)在部(bu)(bu)標《DZ3-79》中規定(ding)(ding)(ding)了鉆機(ji)(ji)(ji)類別標志(zhi)，均全(quan)(quan)(quan)部(bu)(bu)用(yong)(yong)(yong)漢語拼音字(zi)母標注(zhu)。立(li)(li)軸(zhou)式(shi)鉆機(ji)(ji)(ji)應用(yong)(yong)(yong)較為(wei)(wei)(wei)廣。原地(di)(di)質礦(kuang)(kuang)(kuang)產部(bu)(bu)立(li)(li)軸(zhou)式(shi)鉆機(ji)(ji)(ji)系(xi)(xi)列(lie)定(ding)(ding)(ding)名(ming)為(wei)(wei)(wei)XY型(xing)(xing)，原冶(ye)金(jin)工業部(bu)(bu)立(li)(li)軸(zhou)式(shi)鉆機(ji)(ji)(ji)系(xi)(xi)列(lie)定(ding)(ding)(ding)名(ming)為(wei)(wei)(wei)YL（冶(ye)立(li)(li)）型(xing)(xing)，有色金(jin)屬工業總(zong)公司立(li)(li)軸(zhou)式(shi)鉆機(ji)(ji)(ji)系(xi)(xi)列(lie)定(ding)(ding)(ding)名(ming)為(wei)(wei)(wei)CS（穿山）型(xing)(xing)。原煤(mei)炭(tan)工業部(bu)(bu)立(li)(li)軸(zhou)式(shi)鉆機(ji)(ji)(ji)系(xi)(xi)列(lie)定(ding)(ding)(ding)名(ming)為(wei)(wei)(wei)TK（探礦(kuang)(kuang)(kuang)）型(xing)(xing)。[1]全(quan)(quan)(quan)液(ye)壓履(lv)帶(dai)式(shi)煤(mei)礦(kuang)(kuang)(kuang)坑(keng)道(dao)(dao)鉆機(ji)(ji)(ji)全(quan)(quan)(quan)液(ye)壓履(lv)帶(dai)式(shi)煤(mei)礦(kuang)(kuang)(kuang)坑(keng)道(dao)(dao)鉆機(ji)(ji)(ji)是在總(zong)結國(guo)內(nei)外先進(jin)(jin)鉆機(ji)(ji)(ji)基(ji)礎上研制(zhi)(zhi)開發的新(xin)型(xing)(xing)一體(ti)式(shi)履(lv)帶(dai)全(quan)(quan)(quan)液(ye)壓坑(keng)道(dao)(dao)鉆機(ji)(ji)(ji)。鉆機(ji)(ji)(ji)采(cai)用(yong)(yong)(yong)進(jin)(jin)口液(ye)壓系(xi)(xi)統，鋼制(zhi)(zhi)礦(kuang)(kuang)(kuang)用(yong)(yong)(yong)履(lv)帶(dai)底盤，全(quan)(quan)(quan)液(ye)壓動力頭三(san)維(wei)鉸(jiao)接伸縮等新(xin)型(xing)(xing)機(ji)(ji)(ji)構。具有轉(zhuan)矩高(gao)(gao)，無級調速，好的多角度(du)鉆孔開孔快速定(ding)(ding)(ding)位，給進(jin)(jin)和(he)起拔能力大，操作簡單，靈活可靠，勞動強度(du)低(di)，工作效率(lv)高(gao)(gao)等特點(dian)。主要適(shi)用(yong)(yong)(yong)于煤(mei)礦(kuang)(kuang)(kuang)及非(fei)煤(mei)礦(kuang)(kuang)(kuang)山井下(xia)水氣。跟(gen)管可以防止(zhi)電線被(bei)人為(wei)(wei)(wei)損壞或非(fei)法接觸，提高(gao)(gao)安全(quan)(quan)(quan)性。河南(nan)高(gao)(gao)性能跟(gen)管性能

跟(gen)管(guan)是一種用(yong)于固定(ding)和(he)保護電線、電纜(lan)等的管(guan)道。山東實(shi)華機械(xie)跟(gen)管(guan)廠家(jia)供應

工(gong)(gong)(gong)字(zi)鋼(gang)(gang)接(jie)頭(tou)采(cai)用(yong)(yong)10mm厚鋼(gang)(gang)板焊接(jie)成，與鋼(gang)(gang)筋(jin)(jin)籠焊接(jie)牢固。先施工(gong)(gong)(gong)一(yi)期(qi)(qi)槽(cao)(cao)段(duan)，一(yi)期(qi)(qi)槽(cao)(cao)段(duan)澆(jiao)(jiao)注混(hun)凝(ning)土(tu)前(qian)在(zai)工(gong)(gong)(gong)字(zi)鋼(gang)(gang)背(bei)后回(hui)填(tian)土(tu)或碎石，在(zai)二期(qi)(qi)槽(cao)(cao)段(duan)成槽(cao)(cao)結束后用(yong)(yong)鋼(gang)(gang)刷(shua)進(jin)行接(jie)頭(tou)刷(shua)壁(bi)處理。吊(diao)(diao)放二期(qi)(qi)鋼(gang)(gang)筋(jin)(jin)籠端(duan)頭(tou)向內(nei)收15mm，便于(yu)二期(qi)(qi)槽(cao)(cao)段(duan)與一(yi)期(qi)(qi)槽(cao)(cao)段(duan)端(duan)頭(tou)相(xiang)互嵌套，形成整體。鋼(gang)(gang)筋(jin)(jin)籠加工(gong)(gong)(gong)與吊(diao)(diao)裝鋼(gang)(gang)筋(jin)(jin)籠制(zhi)作應確保鋼(gang)(gang)筋(jin)(jin)的型號、間(jian)距、數量(liang)準確，同時(shi)預先確定澆(jiao)(jiao)筑(zhu)混(hun)凝(ning)土(tu)用(yong)(yong)導(dao)管(guan)(guan)的位置(zhi)。鋼(gang)(gang)筋(jin)(jin)籠的起吊(diao)(diao)、運輸(shu)和吊(diao)(diao)放應根據(ju)重量(liang)選取(qu)主、副(fu)吊(diao)(diao)設備，并進(jin)行吊(diao)(diao)點(dian)設計及加固。吊(diao)(diao)裝過程中不得產生不能恢復的變形，插入鋼(gang)(gang)筋(jin)(jin)籠時(shi)應對準單元槽(cao)(cao)段(duan)中心，垂(chui)直而又準確的插入槽(cao)(cao)內(nei)。水下混(hun)凝(ning)土(tu)澆(jiao)(jiao)筑(zhu)槽(cao)(cao)段(duan)長度不大于(yu)6m時(shi)，混(hun)凝(ning)土(tu)宜采(cai)用(yong)(yong)兩根導(dao)管(guan)(guan)同時(shi)澆(jiao)(jiao)筑(zhu)，槽(cao)(cao)段(duan)長度大于(yu)6m時(shi)，混(hun)凝(ning)土(tu)宜采(cai)用(yong)(yong)三根導(dao)管(guan)(guan)同時(shi)澆(jiao)(jiao)筑(zhu)。每根導(dao)管(guan)(guan)分擔的澆(jiao)(jiao)筑(zhu)面(mian)積應基本均等。鋼(gang)(gang)筋(jin)(jin)籠就位后應及時(shi)澆(jiao)(jiao)筑(zhu)混(hun)凝(ning)土(tu)，澆(jiao)(jiao)筑(zhu)面(mian)上升(sheng)速(su)度不宜小于(yu)3m/h，其施工(gong)(gong)(gong)工(gong)(gong)(gong)藝與水下灌注樁類(lei)似。山東實華機械跟管(guan)(guan)廠(chang)家供應

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