施(shi)工測量(liang)(liang)1、測量(liang)(liang)準備工作（1）進場(chang)后對甲(jia)方(fang)(fang)提供(gong)的(de)(de)測量(liang)(liang)控(kong)制(zhi)點(dian)(dian)、水準點(dian)(dian)和標高進行現場(chang)復測，填妥《測量(liang)(liang)復核記錄》并(bing)簽字備案。（2）測量(liang)(liang)控(kong)制(zhi)網(wang)的(de)(de)布設(she)：根據(ju)甲(jia)方(fang)(fang)所(suo)提供(gong)的(de)(de)測量(liang)(liang)控(kong)制(zhi)點(dian)(dian)及(ji)國家的(de)(de)有(you)關(guan)(guan)(guan)規(gui)范(fan)和有(you)關(guan)(guan)(guan)設(she)計、施(shi)工規(gui)范(fan)的(de)(de)要(yao)求進行，以測量(liang)(liang)控(kong)制(zhi)網(wang)作為該工程(cheng)的(de)(de)平面(mian)、高程(cheng)控(kong)制(zhi)和施(shi)工測量(liang)(liang)放樣的(de)(de)首級控(kong)制(zhi)及(ji)依據(ju)。（3）各種測量(liang)(liang)儀器(qi)、工具均應(ying)按有(you)關(guan)(guan)(guan)的(de)(de)質量(liang)(liang)管(guan)理(li)規(gui)定，在使(shi)用前送有(you)關(guan)(guan)(guan)部門進行檢測，取得有(you)關(guan)(guan)(guan)持(chi)(chi)檢部門的(de)(de)合(he)格證書后才(cai)能(neng)使(shi)用。使(shi)用過程(cheng)中有(you)關(guan)(guan)(guan)人(ren)員應(ying)經常對所(suo)用的(de)(de)儀器(qi)、工具進行自檢、自校使(shi)之(zhi)保(bao)持(chi)(chi)在良(liang)好的(de)(de)狀態中。供(gong)貨方(fang)(fang)交付(fu)材料之(zhi)后的(de)(de)服務和支持(chi)(chi)能(neng)力(li)。集美(mei)區DN2600非開(kai)挖頂管(guan)施(shi)工井(jing)

4.8鉆進(jin)(jin)速度(du)不宜過快，應根據地層條件合(he)(he)理調定給進(jin)(jin)力(li)(li)。4.9造斜頂(ding)進(jin)(jin)時(shi)，每(mei)次頂(ding)進(jin)(jin)進(jin)(jin)尺控制在0.5m左右為(wei)好，曲線要緩。4.10鉆桿內不得進(jin)(jin)臟物，以免堵塞鉆頭噴嘴(zui)。4.11當機油(you)(you)(you)壓(ya)力(li)(li)報(bao)警指(zhi)(zhi)示(shi)燈(deng)(deng)亮時(shi)，說明油(you)(you)(you)壓(ya)不正(zheng)常，要進(jin)(jin)行檢查。4.12當機油(you)(you)(you)堵塞報(bao)警指(zhi)(zhi)示(shi)燈(deng)(deng)亮時(shi)，要更(geng)換(huan)機油(you)(you)(you)濾心。4.13改變水泵(beng)排量時(shi)，先(xian)摘開離合(he)(he)器(qi)，不得帶速換(huan)檔(dang)。4.14當水泵(beng)較長時(shi)間不工作的情況下，應將其(qi)變速箱掛空(kong)擋，后合(he)(he)上離合(he)(he)器(qi)，以保持離合(he)(he)器(qi)操縱系統中的分(fen)離軸承。廈門DN2200鋼管頂(ding)管施工隊(dui)供貨方質量管理體(ti)系對于按要求(qiu)如(ru)期(qi)提交產品(pin)的保證能力(li)(li)。

頂(ding)(ding)管(guan)(guan)(guan)施(shi)(shi)工(gong)(gong)法(fa)(fa)是先在(zai)工(gong)(gong)作井內(nei)(nei)設置支座和(he)安裝主(zhu)千(qian)斤頂(ding)(ding)，所需鋪設的(de)(de)管(guan)(guan)(guan)道(dao)緊跟在(zai)工(gong)(gong)具(ju)管(guan)(guan)(guan)后，在(zai)主(zhu)千(qian)斤頂(ding)(ding)推(tui)力的(de)(de)作用(yong)下工(gong)(gong)具(ju)管(guan)(guan)(guan)向土層內(nei)(nei)掘進，掘出(chu)的(de)(de)泥土由土泵或螺旋(xuan)輸(shu)送機(ji)排(pai)出(chu)或以泥漿的(de)(de)形式通過泥漿泵經管(guan)(guan)(guan)道(dao)排(pai)出(chu).，推(tui)進一節管(guan)(guan)(guan)道(dao)后，主(zhu)千(qian)斤頂(ding)(ding)縮回，吊裝上另一節管(guan)(guan)(guan)道(dao)，繼(ji)續頂(ding)(ding)進。如此(ci)往復，直至管(guan)(guan)(guan)道(dao)鋪設完畢。管(guan)(guan)(guan)道(dao)鋪設完畢后，工(gong)(gong)具(ju)管(guan)(guan)(guan)從接收井吊至地面。目(mu)前，頂(ding)(ding)管(guan)(guan)(guan)施(shi)(shi)工(gong)(gong)常(chang)(chang)采(cai)用(yong)的(de)(de)施(shi)(shi)工(gong)(gong)工(gong)(gong)法(fa)(fa)分為敞開人工(gong)(gong)手掘式（開放(fang)型）和(he)密封(feng)(feng)機(ji)械(xie)式頂(ding)(ding)管(guan)(guan)(guan)（密封(feng)(feng)型）施(shi)(shi)工(gong)(gong)方法(fa)(fa)，其(qi)中機(ji)械(xie)式頂(ding)(ding)管(guan)(guan)(guan)施(shi)(shi)工(gong)(gong)常(chang)(chang)用(yong)的(de)(de)施(shi)(shi)工(gong)(gong)方法(fa)(fa)又有泥水平衡(heng)式和(he)土壓平衡(heng)式兩種，頂(ding)(ding)管(guan)(guan)(guan)施(shi)(shi)工(gong)(gong)常(chang)(chang)用(yong)的(de)(de)管(guan)(guan)(guan)材有砼管(guan)(guan)(guan)、鋼(gang)管(guan)(guan)(guan)、玻璃(li)夾砂鋼(gang)管(guan)(guan)(guan)。施(shi)(shi)工(gong)(gong)所采(cai)用(yong)的(de)(de)主(zhu)要設備為信息化及全自動化泥水平衡(heng)頂(ding)(ding)管(guan)(guan)(guan)機(ji)。

2.4對(dui)材料(liao)的(de)采購、加工(gong)(gong)和(he)(he)運輸以及(ji)存儲建立管(guan)理(li)制度(du)(du)，加快材料(liao)的(de)周轉，減少(shao)材料(liao)的(de)占用量(liang)(liang)，避免材料(liao)損失，變質(zhi)、按(an)質(zhi)、按(an)量(liang)(liang)、按(an)期(qi)滿(man)足工(gong)(gong)程(cheng)需要(yao)。2.5原(yuan)材料(liao)及(ji)成品、半(ban)成品的(de)質(zhi)量(liang)(liang)必(bi)須合(he)(he)格(ge)，嚴(yan)格(ge)按(an)國家規范和(he)(he)驗收標(biao)準進(jin)(jin)行檢(jian)驗。對(dui)水泥。鋼筋、焊(han)條(tiao)等(deng)材料(liao)應(ying)有合(he)(he)格(ge)證，進(jin)(jin)場必(bi)須后取樣(yang)要(yao)復試(shi)，不合(he)(he)格(ge)材料(liao)不得用于工(gong)(gong)程(cheng)上。2.6對(dui)于每(mei)道(dao)工(gong)(gong)序施工(gong)(gong)，都(dou)要(yao)進(jin)(jin)行技(ji)術交底工(gong)(gong)作，堅(jian)持“自檢(jian)”、“專檢(jian)”、“交接檢(jian)”三檢(jian)制度(du)(du)，堅(jian)持上道(dao)工(gong)(gong)序的(de)施工(gong)(gong)質(zhi)量(liang)(liang)達(da)到合(he)(he)格(ge)標(biao)準，并及(ji)時(shi)上報監理(li)，監理(li)認定工(gong)(gong)序質(zhi)量(liang)(liang)合(he)(he)格(ge)后，下(xia)道(dao)工(gong)(gong)序才(cai)能施工(gong)(gong)的(de)原(yuan)則(ze)。凡是在(zai)交接程(cheng)序上出現了質(zhi)量(liang)(liang)通病，項目經理(li)必(bi)須對(dui)交接人員進(jin)(jin)行檢(jian)查(cha)(cha)，項目經理(li)不追(zhui)查(cha)(cha)責任(ren)的(de)，公司將追(zhui)查(cha)(cha)項目經理(li)責任(ren)。在(zai)工(gong)(gong)程(cheng)銜接處，所設置的(de)臨時(shi)水準點(dian)應(ying)相互測校調整，以防止差錯。

頂(ding)管事(shi)故一旦發生(sheng)，將影(ying)響(xiang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)進度(du)、居民生(sheng)活和出行，甚(shen)至造成人(ren)員傷亡(wang)。然而，大多(duo)數頂(ding)管事(shi)故都(dou)是(shi)由于施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)前(qian)(qian)的(de)準備工(gong)(gong)(gong)(gong)作和安(an)全防護措施(shi)(shi)(shi)不(bu)(bu)到位造成的(de)。因(yin)此(ci)，頂(ding)管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)的(de)一個(ge)重(zhong)要問題(ti)是(shi)地層適應(ying)性。根據不(bu)(bu)同(tong)土(tu)質、不(bu)(bu)同(tong)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)條件、不(bu)(bu)同(tong)要求，選擇合適的(de)頂(ding)管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)方(fang)法和合理(li)的(de)頂(ding)管參(can)數，才能達(da)到事(shi)半(ban)功倍(bei)的(de)效果。否則，可能會(hui)給(gei)頂(ding)管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)帶來困難(nan)，甚(shen)至導致頂(ding)管失敗，給(gei)工(gong)(gong)(gong)(gong)程(cheng)造成巨大損失。頂(ding)管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)過程(cheng)中，沿途土(tu)層變(bian)化頻(pin)繁，所以在(zai)頂(ding)管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)前(qian)(qian)了解土(tu)層變(bian)化是(shi)很(hen)有必要的(de)。對于需要回填的(de)地段(duan)要通過提前(qian)(qian)加固(gu)，否則頂(ding)管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)后地表(biao)可能會(hui)過度(du)下沉。臨時水(shui)準點應(ying)設(she)置(zhi)在(zai)交通要道、挖填方(fang)范圍以外(wai)。湖里區非開(kai)挖頂(ding)管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)公司

根據當前實際情況，快速(su)掌握材料質量、價格(ge)、供(gong)貨能力的信息、選擇好的供(gong)貨廠家，從而確保工(gong)程質量。集美區DN2600非開挖頂管(guan)施(shi)工(gong)井(jing)

在(zai)頂管施(shi)工過程中，注漿(jiang)的(de)作用(yong)：(3)將橡(xiang)膠粉(fen)應用(yong)于塑料工業中，不僅能充分發(fa)揮膠粉(fen)中橡(xiang)膠的(de)特(te)性(xing)，提高塑料的(de)抗(kang)沖擊強度(du)，賦予材(cai)料一定的(de)彈性(xing)，而(er)且成型(xing)工藝簡(jian)單，能耗降低，技(ji)術可(ke)行(xing)，是目前橡(xiang)塑共混，乃至彈性(xing)體(ti)(ti)研(yan)究的(de)一個(ge)重要發(fa)展方向。1、注漿(jiang)可(ke)以(yi)填(tian)補(bu)施(shi)工過程中管道與土(tu)體(ti)(ti)之間的(de)孔(kong)隙部分；由表1可(ke)知，4條擬(ni)合(he)曲線的(de)相(xiang)關性(xing)系(xi)數>0.98，1條擬(ni)合(he)曲線相(xiang)關性(xing)系(xi)數>0.80。由此，可(ke)以(yi)看出Van-Genuchten模型(xing)參數的(de)擬(ni)合(he)度(du)滿(man)足要求，因而(er)可(ke)以(yi)用(yong)該模型(xing)中參數的(de)含(han)義來解釋土(tu)壤水分特(te)征(zheng)曲線變(bian)化(hua)規(gui)律。2、在(zai)注漿(jiang)壓(ya)力(li)的(de)作用(yong)于下，能夠有效減少土(tu)體(ti)(ti)變(bian)形，使頂管周圍的(de)土(tu)體(ti)(ti)更加(jia)穩定，有利于減小(xiao)地面(mian)沉降。集(ji)美區(qu)DN2600非開挖頂管施(shi)工井

廈門常(chang)達管(guan)業(ye)有限公司在建筑、建材這一(yi)領域(yu)傾注(zhu)了無限的熱忱和激情，常(chang)達管(guan)業(ye)一(yi)直以客(ke)戶為中(zhong)心(xin)、為客(ke)戶創造價值的理(li)念、以品質、服(fu)務(wu)來贏得市場(chang)，衷(zhong)心(xin)希望能與(yu)社會各界合作，共創成功，共創輝(hui)煌。相關業(ye)務(wu)歡(huan)迎垂詢。

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