堆(dui)積體(ti)(ti)錨(mao)索鉆(zhan)孔跟(gen)(gen)管(guan)鉆(zhan)進工(gong)(gong)藝(yi)技(ji)(ji)術(shu)的(de)(de)(de)(de)應用樓(lou)日新(xin)(成(cheng)(cheng)都(dou)理工(gong)(gong)大學,四(si)川(chuan)(chuan)成(cheng)(cheng)都(dou)610059)關鍵詞:滑(hua)(hua)坡(po)(po)治理;沖擊跟(gen)(gen)管(guan)鉆(zhan)進;堆(dui)積體(ti)(ti);錨(mao)索;抗滑(hua)(hua)樁(zhuang);川(chuan)(chuan)藏公(gong)(gong)路工(gong)(gong)程(cheng)摘要:川(chuan)(chuan)藏公(gong)(gong)路二(er)郎(lang)山(shan)(shan)隧(sui)道是國家“九(jiu)五(wu)”重點建設工(gong)(gong)程(cheng)。長期以(yi)來(lai)龍(long)膽(dan)溪滑(hua)(hua)坡(po)(po)影響川(chuan)(chuan)藏公(gong)(gong)路這一交通大動(dong)脈,由于緊鄰公(gong)(gong)路的(de)(de)(de)(de)滑(hua)(hua)坡(po)(po)體(ti)(ti)規模大,滑(hua)(hua)面(mian)深(shen)、穩(wen)定性差(cha),設計采(cai)用了(le)(le)較(jiao)長的(de)(de)(de)(de)堆(dui)積體(ti)(ti)錨(mao)索(76m)和較(jiao)深(shen)的(de)(de)(de)(de)堆(dui)積體(ti)(ti)抗滑(hua)(hua)樁(zhuang)(65m),而在國內外還沒有類似工(gong)(gong)程(cheng)的(de)(de)(de)(de)成(cheng)(cheng)功經驗,特別是在松散堆(dui)積體(ti)(ti)中進行(xing)大口(kou)徑(jing)跟(gen)(gen)管(guan)鉆(zhan)進,其難(nan)度(du)很大。結合工(gong)(gong)程(cheng)實(shi)踐,前面(mian)次成(cheng)(cheng)功開發對(dui)心式、自銳(rui)式跟(gen)(gen)管(guan)鉆(zhan)具及配(pei)套的(de)(de)(de)(de)工(gong)(gong)藝(yi)技(ji)(ji)術(shu),很好(hao)地解決了(le)(le)工(gong)(gong)程(cheng)難(nan)題,并針對(dui)不同性狀的(de)(de)(de)(de)堆(dui)積體(ti)(ti)提(ti)出了(le)(le)相應的(de)(de)(de)(de)施工(gong)(gong)措施。B1工(gong)(gong)程(cheng)滑(hua)(hua)坡(po)(po)體(ti)(ti)概況川(chuan)(chuan)藏公(gong)(gong)路二(er)郎(lang)山(shan)(shan)隧(sui)道是國家“九(jiu)五(wu)”重點建設工(gong)(gong)程(cheng)。龍(long)膽(dan)溪滑(hua)(hua)坡(po)(po)(1號)位于四(si)川(chuan)(chuan)省天全縣(xian)二(er)郎(lang)山(shan)(shan)隧(sui)道東(dong)口(kou)龍(long)膽(dan)溪右岸,國道318線(xian)K2729+920～K2730+425處。滑(hua)(hua)坡(po)(po)地形(xing)陡峻,平均坡(po)(po)度(du)約43°,前后(hou)緣(yuan)海撥分別為(wei)1840m和2135m。滑(hua)(hua)坡(po)(po)分東(dong)西(xi)兩塊:K2729+920～K2730+165為(wei)東(dong)塊,K2730+166～425為(wei)西(xi)塊。從(cong)監測資(zi)料和工(gong)(gong)程(cheng)施工(gong)(gong)所能(neng)揭示的(de)(de)(de)(de)情(qing)況看,西(xi)塊滑(hua)(hua)體(ti)(ti)自公(gong)(gong)路為(wei)界(jie)分為(wei)上(shang)下多級(ji),下級(ji)又分為(wei)淺、中、深(shen)三(san)層(ceng)滑(hua)(hua)面(mian)。其中好(hao)活躍的(de)(de)(de)(de)是緊鄰公(gong)(gong)路的(de)(de)(de)(de)上(shang)級(ji)滑(hua)(hua)坡(po)(po)和下級(ji)的(de)(de)(de)(de)第三(san)層(ceng)滑(hua)(hua)面(mian)。西(xi)塊規模大,滑(hua)(hua)面(mian)深(shen)、穩(wen)定性差(cha)。跟(gen)(gen)管(guan)可(ke)以(yi)根據需要進行(xing)彎(wan)曲和彎(wan)折，適應復雜的(de)(de)(de)(de)布線(xian)環境(jing)。山(shan)(shan)東(dong)實(shi)華(hua)機械跟(gen)(gen)管(guan)廠家供應

排(pai)水(shui)管(guan)(guan)(guan)(guan)道(dao)(dao)鋼板內(nei)襯(chen)修(xiu)改(gai)，適(shi)用(yong)(yong)于大口(kou)(kou)徑(jing)管(guan)(guan)(guan)(guan)道(dao)(dao)接口(kou)(kou)錯位(wei)、滲(shen)漏的(de)(de)免(mian)開挖(wa)接口(kou)(kou)柔性修(xiu)改(gai)工(gong)(gong)藝技術，具有(you)規劃(hua)合(he)(he)理、實用(yong)(yong)性強、修(xiu)改(gai)質量高、施(shi)(shi)(shi)工(gong)(gong)簡(jian)練、工(gong)(gong)期短、施(shi)(shi)(shi)工(gong)(gong)不受地(di)(di)上(shang)(shang)交(jiao)通、環境溫濕(shi)度(du)的(de)(de)影響等(deng)特(te)點。修(xiu)復流程：通風檢(jian)(jian)(jian)(jian)測(ce)。翻開施(shi)(shi)(shi)工(gong)(gong)管(guan)(guan)(guan)(guan)段檢(jian)(jian)(jian)(jian)查(cha)井(jing)(jing)及前后檢(jian)(jian)(jian)(jian)查(cha)井(jing)(jing)自然通風或(huo)(huo)機械通風30分鐘，運用(yong)(yong)毒氣(qi)檢(jian)(jian)(jian)(jian)測(ce)儀對(dui)(dui)施(shi)(shi)(shi)工(gong)(gong)管(guan)(guan)(guan)(guan)段作業(ye)井(jing)(jing)內(nei)進(jin)行上(shang)(shang)中下3個部(bu)位(wei)有(you)毒有(you)害氣(qi)體(ti)(ti)(ti)檢(jian)(jian)(jian)(jian)測(ce)。氣(qi)體(ti)(ti)(ti)檢(jian)(jian)(jian)(jian)測(ce)合(he)(he)格(ge)方可(ke)施(shi)(shi)(shi)作業(ye)業(ye)，氣(qi)體(ti)(ti)(ti)檢(jian)(jian)(jian)(jian)測(ce)不合(he)(he)格(ge)須繼續(xu)通風，直到氣(qi)體(ti)(ti)(ti)檢(jian)(jian)(jian)(jian)測(ce)合(he)(he)格(ge)。封(feng)堵(du)導流。氣(qi)囊(nang)封(feng)堵(du)加砌筑(zhu)封(feng)堵(du)墻封(feng)堵(du)施(shi)(shi)(shi)工(gong)(gong)管(guan)(guan)(guan)(guan)段上(shang)(shang)游檢(jian)(jian)(jian)(jian)查(cha)井(jing)(jing)出水(shui)口(kou)(kou)和(he)下面(mian)檢(jian)(jian)(jian)(jian)查(cha)井(jing)(jing)入水(shui)口(kou)(kou)，用(yong)(yong)水(shui)泵從上(shang)(shang)游封(feng)堵(du)檢(jian)(jian)(jian)(jian)查(cha)井(jing)(jing)的(de)(de)前一個井(jing)(jing)將水(shui)導流至下面(mian)封(feng)堵(du)檢(jian)(jian)(jian)(jian)查(cha)井(jing)(jing)的(de)(de)后一個井(jing)(jing)。施(shi)(shi)(shi)工(gong)(gong)前預處理用(yong)(yong)高壓沖(chong)刷吸污車對(dui)(dui)作業(ye)管(guan)(guan)(guan)(guan)道(dao)(dao)進(jin)行沖(chong)刷，將淤積物沖(chong)刷到檢(jian)(jian)(jian)(jian)查(cha)井(jing)(jing)內(nei)，用(yong)(yong)吸污車抽吸潔凈。沖(chong)刷水(shui)流方向宜依照排(pai)水(shui)水(shui)流方向共(gong)同。管(guan)(guan)(guan)(guan)道(dao)(dao)外（或(huo)(huo)管(guan)(guan)(guan)(guan)內(nei)）注漿固(gu)化(hua)(hua)土體(ti)(ti)(ti)工(gong)(gong)藝原理小(xiao)管(guan)(guan)(guan)(guan)徑(jing)由(you)路(lu)面(mian)向管(guan)(guan)(guan)(guan)道(dao)(dao)基層灌漿，灌漿資料首要有(you)聚氨酯(zhi)、水(shui)泥基類等(deng)，現場應根(gen)據不同的(de)(de)實際需要進(jin)行選(xuan)擇不同的(de)(de)資料針對(dui)(dui)存(cun)在洼(wa)陷變(bian)形(xing)、決裂滲(shen)漏水(shui)嚴峻部(bu)分的(de)(de)管(guan)(guan)(guan)(guan)道(dao)(dao)施(shi)(shi)(shi)行土體(ti)(ti)(ti)固(gu)化(hua)(hua)。小(xiao)管(guan)(guan)(guan)(guan)徑(jing)土體(ti)(ti)(ti)固(gu)化(hua)(hua)施(shi)(shi)(shi)工(gong)(gong)①施(shi)(shi)(shi)工(gong)(gong)機械鉆(zhan)孔機械：選(xuan)用(yong)(yong)100型（或(huo)(huo)300型）工(gong)(gong)程地(di)(di)質鉆(zhan)機，套管(guan)(guan)(guan)(guan)護壁(筆直鉆(zhan)孔時選(xuan)用(yong)(yong))，或(huo)(huo)許選(xuan)用(yong)(yong)跟管(guan)(guan)(guan)(guan)鉆(zhan)機(選(xuan)用(yong)(yong)108mm套管(guan)(guan)(guan)(guan)。青海同心跟管(guan)(guan)(guan)(guan)施(shi)(shi)(shi)工(gong)(gong)廠家跟管(guan)(guan)(guan)(guan)可(ke)以有(you)效地(di)(di)減少電線的(de)(de)混(hun)亂和(he)交(jiao)叉，方便(bian)維護和(he)檢(jian)(jian)(jian)(jian)修(xiu)。

該【錨(mao)桿(gan)、錨(mao)索(suo)跟(gen)(gen)管(guan)(guan)造(zao)孔(kong)工藝施(shi)工說明】是(shi)由【大(da)笑大(da)甜(tian)】上傳分享，文(wen)(wen)檔一共【4】頁，該文(wen)(wen)檔可(ke)以(yi)在線閱讀，需(xu)要了解(jie)(jie)更多關(guan)于(yu)【錨(mao)桿(gan)、錨(mao)索(suo)跟(gen)(gen)管(guan)(guan)造(zao)孔(kong)工藝施(shi)工說明】的(de)(de)內(nei)(nei)容，可(ke)以(yi)使(shi)用淘豆網(wang)的(de)(de)站內(nei)(nei)搜(sou)索(suo)功能，選擇自(zi)己(ji)適合的(de)(de)文(wen)(wen)檔，以(yi)下文(wen)(wen)字是(shi)截取該文(wen)(wen)章內(nei)(nei)的(de)(de)部分文(wen)(wen)字，如需(xu)要獲得完(wan)整電(dian)子(zi)版，請(qing)下載此(ci)文(wen)(wen)檔到您(nin)的(de)(de)設備，方便(bian)您(nin)編輯和打(da)印。錨(mao)桿(gan)、錨(mao)索(suo)跟(gen)(gen)管(guan)(guan)造(zao)孔(kong)工藝施(shi)工說明一、工程大(da)要及地(di)質(zhi)(zhi)條件(jian)DK752+780~DK753+060段十(shi)級(ji)邊坡設計防范為(wei)(wei)(wei)錨(mao)桿(gan)框(kuang)(kuang)架(jia)梁(liang),、九(jiu)(jiu)級(ji)邊坡設計防范為(wei)(wei)(wei)錨(mao)索(suo)框(kuang)(kuang)架(jia)梁(liang),錨(mao)桿(gan)設計長(chang)度(du)12m,錨(mao)索(suo)設計長(chang)度(du)25m,九(jiu)(jiu)、十(shi)級(ji)邊坡內(nei)(nei)設計地(di)質(zhi)(zhi)情(qing)況(kuang)為(wei)(wei)(wei)粉(fen)砂質(zhi)(zhi)泥巖,褐黃色(se),淺灰色(se),灰綠色(se),棕紅(hong)色(se),弱風化,泥質(zhi)(zhi)構造(zao),層狀(zhuang)(zhuang)構造(zao),主要礦物成(cheng)分為(wei)(wei)(wei)黏(nian)土(tu)礦物及石英,巖質(zhi)(zhi)軟(ruan),風干易崩解(jie)(jie),層厚(hou)30m,IV級(ji),δo=400kPa。依照現場(chang)勘(kan)查,DK752+780~DK753+060段九(jiu)(jiu)、十(shi)級(ji)邊坡內(nei)(nei)實質(zhi)(zhi)地(di)質(zhi)(zhi)情(qing)況(kuang)為(wei)(wei)(wei)粗(cu)圓礫土(tu),青灰色(se),稍濕,中(zhong)密狀(zhuang)(zhuang),局(ju)部稍密,充(chong)填物為(wei)(wei)(wei)砂礫,層厚(hou)約15~20m,II級(ji),δo=450kPa,與原設計地(di)質(zhi)(zhi)情(qing)況(kuang)不符,質(zhi)(zhi)地(di)不均,構造(zao)松弛,不能夠被鉆(zhan)頭沖擊成(cheng)粉(fen)狀(zhuang)(zhuang)碎塊后排出,造(zao)成(cheng)阻(zu)力(li)增(zeng)大(da),鉆(zhan)機(ji)無法(fa)旋轉,鉆(zhan)進過(guo)程的(de)(de)擾(rao)動,造(zao)成(cheng)已成(cheng)孔(kong)段塌孔(kong),鉆(zhan)桿(gan)波(bo)折斷裂,鉆(zhan)具卡死(si),無法(fa)回收,因(yin)此(ci)采(cai)用“跟(gen)(gen)管(guan)(guan)”工藝,導管(guan)(guan)與鉆(zhan)機(ji)鉆(zhan)頭同時鉆(zhan)進。

全(quan)回轉(zhuan)全(quan)套管(guan)(guan)鉆(zhan)(zhan)機(ji)施(shi)(shi)工(gong)工(gong)藝介紹#設(she)(she)備簡介全(quan)回轉(zhuan)全(quan)套管(guan)(guan)鉆(zhan)(zhan)機(ji)性能參(can)數(shu)（日(ri)本車輛制(zhi)造株(zhu)式會社(she)）主要(yao)工(gong)作范(fan)圍(wei)(wei)采(cai)用(yong)(yong)本設(she)(she)備對(dui)成(cheng)墻或成(cheng)樁(zhuang)(zhuang)遇到的(de)(de)(de)地(di)下(xia)(xia)障(zhang)礙(ai)物(wu)(wu)進行消(xiao)掉(diao)，地(di)下(xia)(xia)障(zhang)礙(ai)物(wu)(wu)包括(kuo)地(di)下(xia)(xia)鋼筋混凝土(tu)結(jie)構、地(di)下(xia)(xia)鋼結(jie)構、地(di)下(xia)(xia)孤石、巖層等;各種(zhong)直(zhi)(zhi)徑(jing)(jing)鉆(zhan)(zhan)孔(kong)灌注樁(zhuang)(zhuang)、預制(zhi)樁(zhuang)(zhuang)拔(ba)除、清(qing)理;3、地(di)下(xia)(xia)結(jie)構咬合圍(wei)(wei)護樁(zhuang)(zhuang)施(shi)(shi)工(gong)，咬合樁(zhuang)(zhuang)直(zhi)(zhi)徑(jing)(jing)2m~1m;地(di)下(xia)(xia)圍(wei)(wei)護結(jie)構冷縫、繞流缺陷封閉處(chu)理;臨時及長久(jiu)性鋼管(guan)(guan)柱(zhu)精(jing)確(que)定位(wei)施(shi)(shi)工(gong)，即(ji)蓋挖法施(shi)(shi)工(gong)時，鋼立(li)柱(zhu)的(de)(de)(de)精(jing)確(que)插入(ru)施(shi)(shi)工(gong);嵌巖樁(zhuang)(zhuang)施(shi)(shi)工(gong)，直(zhi)(zhi)徑(jing)(jing)2m至1m鉆(zhan)(zhan)孔(kong)灌注樁(zhuang)(zhuang)穿越地(di)下(xia)(xia)溶洞、巖層時，采(cai)用(yong)(yong)全(quan)套管(guan)(guan)跟進、切入(ru)施(shi)(shi)工(gong)。一地(di)下(xia)(xia)障(zhang)礙(ai)物(wu)(wu)消(xiao)掉(diao)施(shi)(shi)工(gong)地(di)下(xia)(xia)障(zhang)礙(ai)物(wu)(wu)消(xiao)掉(diao)施(shi)(shi)工(gong)是利用(yong)(yong)全(quan)回轉(zhuan)全(quan)套管(guan)(guan)鉆(zhan)(zhan)機(ji)的(de)(de)(de)夾(jia)緊系(xi)統，夾(jia)緊各種(zhong)直(zhi)(zhi)徑(jing)(jing)的(de)(de)(de)帶特種(zhong)刀頭特制(zhi)鋼套管(guan)(guan)，再通(tong)過(guo)專門(men)(men)配備的(de)(de)(de)液(ye)(ye)壓(ya)動(dong)(dong)力(li)站提(ti)供(gong)液(ye)(ye)壓(ya)動(dong)(dong)力(li)，驅(qu)動(dong)(dong)全(quan)回轉(zhuan)鉆(zhan)(zhan)機(ji)上(shang)的(de)(de)(de)液(ye)(ye)壓(ya)馬達和升(sheng)降油(you)缸，將(jiang)(jiang)(jiang)鋼套管(guan)(guan)旋轉(zhuan)切入(ru)地(di)層及地(di)下(xia)(xia)障(zhang)礙(ai)物(wu)(wu)，然后輔以(yi)實用(yong)(yong)帶自由落鉤的(de)(de)(de)履帶吊、沖抓斗、十字沖錘、楔形(xing)錘等設(she)(she)備、設(she)(she)施(shi)(shi)，將(jiang)(jiang)(jiang)套管(guan)(guan)內(nei)土(tu)體及障(zhang)礙(ai)物(wu)(wu)取(qu)出，從(cong)而(er)將(jiang)(jiang)(jiang)地(di)下(xia)(xia)障(zhang)礙(ai)物(wu)(wu)消(xiao)掉(diao)。二拔(ba)除各種(zhong)直(zhi)(zhi)徑(jing)(jing)鉆(zhan)(zhan)孔(kong)灌注樁(zhuang)(zhuang)、預制(zhi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)拔(ba)除各類灌注樁(zhuang)(zhuang)、預制(zhi)樁(zhuang)(zhuang)施(shi)(shi)工(gong)是利用(yong)(yong)全(quan)回轉(zhuan)全(quan)套管(guan)(guan)鉆(zhan)(zhan)機(ji)的(de)(de)(de)夾(jia)緊系(xi)統，夾(jia)緊各種(zhong)直(zhi)(zhi)徑(jing)(jing)的(de)(de)(de)帶特種(zhong)刀頭特制(zhi)鋼套管(guan)(guan)，再通(tong)過(guo)專門(men)(men)配備的(de)(de)(de)液(ye)(ye)壓(ya)動(dong)(dong)力(li)站提(ti)供(gong)液(ye)(ye)壓(ya)動(dong)(dong)力(li)。跟管(guan)(guan)可(ke)(ke)以(yi)根(gen)據需要(yao)進行防水和防塵處(chu)理，提(ti)高(gao)電線的(de)(de)(de)可(ke)(ke)靠性。

由于原地質(zhi)礦產(chan)部(bu)(bu)在部(bu)(bu)標《DZ3-79》中規定(ding)了鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)類別標志，均全(quan)部(bu)(bu)用漢語拼音(yin)字(zi)母(mu)標注(zhu)。立(li)(li)軸(zhou)式(shi)(shi)(shi)(shi)鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)應用較為(wei)廣。原地質(zhi)礦產(chan)部(bu)(bu)立(li)(li)軸(zhou)式(shi)(shi)(shi)(shi)鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)系列(lie)定(ding)名(ming)為(wei)XY型(xing)，原冶金(jin)工(gong)(gong)(gong)業(ye)部(bu)(bu)立(li)(li)軸(zhou)式(shi)(shi)(shi)(shi)鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)系列(lie)定(ding)名(ming)為(wei)YL（冶立(li)(li)）型(xing)，有色金(jin)屬工(gong)(gong)(gong)業(ye)總公司(si)立(li)(li)軸(zhou)式(shi)(shi)(shi)(shi)鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)系列(lie)定(ding)名(ming)為(wei)CS（穿山）型(xing)。原煤(mei)炭工(gong)(gong)(gong)業(ye)部(bu)(bu)立(li)(li)軸(zhou)式(shi)(shi)(shi)(shi)鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)系列(lie)定(ding)名(ming)為(wei)TK（探(tan)礦）型(xing)。[1]全(quan)液(ye)(ye)壓(ya)履(lv)(lv)帶(dai)式(shi)(shi)(shi)(shi)煤(mei)礦坑(keng)道鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)全(quan)液(ye)(ye)壓(ya)履(lv)(lv)帶(dai)式(shi)(shi)(shi)(shi)煤(mei)礦坑(keng)道鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)是在總結國內外先進(jin)鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)基礎上研制開發的新型(xing)一體(ti)式(shi)(shi)(shi)(shi)履(lv)(lv)帶(dai)全(quan)液(ye)(ye)壓(ya)坑(keng)道鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)。鉆(zhan)(zhan)(zhan)機(ji)(ji)(ji)(ji)采用進(jin)口液(ye)(ye)壓(ya)系統，鋼制礦用履(lv)(lv)帶(dai)底(di)盤(pan)，全(quan)液(ye)(ye)壓(ya)動力頭三(san)維鉸(jiao)接(jie)伸縮等(deng)新型(xing)機(ji)(ji)(ji)(ji)構。具有轉矩高，無級調速(su)，好的多角度(du)鉆(zhan)(zhan)(zhan)孔開孔快速(su)定(ding)位，給進(jin)和起拔能(neng)力大，操作簡單，靈活可靠，勞動強(qiang)度(du)低，工(gong)(gong)(gong)作效率高等(deng)特點。主要適用于煤(mei)礦及非(fei)煤(mei)礦山井下水(shui)氣。跟(gen)管(guan)可以(yi)防止電線被人(ren)為(wei)損(sun)壞或非(fei)法接(jie)觸，提高安(an)全(quan)性。河南高性能(neng)跟(gen)管(guan)性能(neng)

跟管是一種(zhong)用于固(gu)定和保護電(dian)(dian)線、電(dian)(dian)纜(lan)等(deng)的(de)管道。山東實華機械跟管廠家供(gong)應

工(gong)字(zi)鋼(gang)(gang)(gang)接頭(tou)采用10mm厚鋼(gang)(gang)(gang)板焊(han)接成(cheng)(cheng)，與(yu)(yu)鋼(gang)(gang)(gang)筋(jin)(jin)籠(long)(long)焊(han)接牢固。先施工(gong)一期(qi)(qi)槽(cao)(cao)段，一期(qi)(qi)槽(cao)(cao)段澆(jiao)注混凝(ning)(ning)土(tu)(tu)前在工(gong)字(zi)鋼(gang)(gang)(gang)背后回填土(tu)(tu)或(huo)碎石，在二(er)期(qi)(qi)槽(cao)(cao)段成(cheng)(cheng)槽(cao)(cao)結(jie)束后用鋼(gang)(gang)(gang)刷(shua)進(jin)行接頭(tou)刷(shua)壁處理。吊(diao)(diao)(diao)放二(er)期(qi)(qi)鋼(gang)(gang)(gang)筋(jin)(jin)籠(long)(long)端頭(tou)向內收15mm，便(bian)于(yu)二(er)期(qi)(qi)槽(cao)(cao)段與(yu)(yu)一期(qi)(qi)槽(cao)(cao)段端頭(tou)相互嵌套，形成(cheng)(cheng)整體。鋼(gang)(gang)(gang)筋(jin)(jin)籠(long)(long)加工(gong)與(yu)(yu)吊(diao)(diao)(diao)裝鋼(gang)(gang)(gang)筋(jin)(jin)籠(long)(long)制作應(ying)(ying)確(que)保(bao)鋼(gang)(gang)(gang)筋(jin)(jin)的(de)(de)型號、間距、數(shu)量準(zhun)確(que)，同(tong)時(shi)(shi)(shi)預先確(que)定澆(jiao)筑混凝(ning)(ning)土(tu)(tu)用導管的(de)(de)位置。鋼(gang)(gang)(gang)筋(jin)(jin)籠(long)(long)的(de)(de)起吊(diao)(diao)(diao)、運輸和吊(diao)(diao)(diao)放應(ying)(ying)根(gen)據重(zhong)量選取主、副(fu)吊(diao)(diao)(diao)設(she)備，并(bing)進(jin)行吊(diao)(diao)(diao)點設(she)計(ji)及加固。吊(diao)(diao)(diao)裝過程(cheng)中(zhong)不得產(chan)生不能恢復的(de)(de)變形，插入鋼(gang)(gang)(gang)筋(jin)(jin)籠(long)(long)時(shi)(shi)(shi)應(ying)(ying)對準(zhun)單(dan)元(yuan)槽(cao)(cao)段中(zhong)心，垂(chui)直而又(you)準(zhun)確(que)的(de)(de)插入槽(cao)(cao)內。水(shui)下混凝(ning)(ning)土(tu)(tu)澆(jiao)筑槽(cao)(cao)段長度不大于(yu)6m時(shi)(shi)(shi)，混凝(ning)(ning)土(tu)(tu)宜采用兩(liang)根(gen)導管同(tong)時(shi)(shi)(shi)澆(jiao)筑，槽(cao)(cao)段長度大于(yu)6m時(shi)(shi)(shi)，混凝(ning)(ning)土(tu)(tu)宜采用三根(gen)導管同(tong)時(shi)(shi)(shi)澆(jiao)筑。每根(gen)導管分擔(dan)的(de)(de)澆(jiao)筑面積應(ying)(ying)基本均(jun)等。鋼(gang)(gang)(gang)筋(jin)(jin)籠(long)(long)就位后應(ying)(ying)及時(shi)(shi)(shi)澆(jiao)筑混凝(ning)(ning)土(tu)(tu)，澆(jiao)筑面上升(sheng)速(su)度不宜小于(yu)3m/h，其施工(gong)工(gong)藝(yi)與(yu)(yu)水(shui)下灌注樁(zhuang)類似。山東實華機械跟管廠家供應(ying)(ying)

本(ben)文來自(zi)四川(chuan)精碳偉(wei)業環保科技(ji)有限(xian)責任公司：//wasul.cn/Article/62a0699931.html