頂(ding)管(guan)(guan)施(shi)工(gong)(gong)(gong)(gong)就(jiu)是(shi)(shi)非開(kai)(kai)挖(wa)施(shi)工(gong)(gong)(gong)(gong)方(fang)法，是(shi)(shi)一(yi)(yi)種不開(kai)(kai)挖(wa)或者(zhe)少開(kai)(kai)挖(wa)的(de)(de)(de)(de)管(guan)(guan)道(dao)(dao)埋(mai)設施(shi)工(gong)(gong)(gong)(gong)技術。頂(ding)管(guan)(guan)法施(shi)工(gong)(gong)(gong)(gong)就(jiu)是(shi)(shi)在工(gong)(gong)(gong)(gong)作坑(keng)內(nei)借助于頂(ding)進(jin)設備產生的(de)(de)(de)(de)頂(ding)力，克服管(guan)(guan)道(dao)(dao)與周圍土(tu)(tu)壤的(de)(de)(de)(de)摩擦力，將(jiang)管(guan)(guan)道(dao)(dao)按設計的(de)(de)(de)(de)坡度頂(ding)入土(tu)(tu)中，并將(jiang)土(tu)(tu)方(fang)運走。一(yi)(yi)節(jie)管(guan)(guan)子完成(cheng)頂(ding)入土(tu)(tu)層之后，再下第二節(jie)管(guan)(guan)子繼續頂(ding)進(jin)。其原理(li)是(shi)(shi)借助于主(zhu)頂(ding)油缸及管(guan)(guan)道(dao)(dao)間、中繼間等推力，把工(gong)(gong)(gong)(gong)具(ju)管(guan)(guan)或掘進(jin)機(ji)從(cong)工(gong)(gong)(gong)(gong)作坑(keng)內(nei)穿(chuan)過土(tu)(tu)層一(yi)(yi)直(zhi)推進(jin)到(dao)接(jie)收坑(keng)內(nei)吊起。管(guan)(guan)道(dao)(dao)緊(jin)隨工(gong)(gong)(gong)(gong)具(ju)管(guan)(guan)或掘進(jin)機(ji)后，埋(mai)設在兩坑(keng)之間。非開(kai)(kai)挖(wa)工(gong)(gong)(gong)(gong)程技術徹(che)底(di)解決了(le)管(guan)(guan)道(dao)(dao)埋(mai)設施(shi)工(gong)(gong)(gong)(gong)中對城(cheng)市(shi)建筑(zhu)物的(de)(de)(de)(de)破壞和(he)道(dao)(dao)路交(jiao)通的(de)(de)(de)(de)堵塞等難題，在穩定土(tu)(tu)層和(he)環境保護(hu)方(fang)面凸(tu)顯(xian)其優勢。這對交(jiao)通繁忙、人口密集、地面建筑(zhu)物眾多、地下管(guan)(guan)線(xian)復雜的(de)(de)(de)(de)城(cheng)市(shi)是(shi)(shi)非常(chang)重要的(de)(de)(de)(de)，它將(jiang)為城(cheng)市(shi)創(chuang)造一(yi)(yi)個潔(jie)凈、舒(shu)適和(he)美好的(de)(de)(de)(de)環境。根(gen)據當前實際(ji)情況，快(kuai)速掌握材料質量、價(jia)格(ge)、供貨能力的(de)(de)(de)(de)信息、選擇(ze)好的(de)(de)(de)(de)供貨廠家，從(cong)而確保工(gong)(gong)(gong)(gong)程質量。南平球墨管(guan)(guan)頂(ding)管(guan)(guan)施(shi)工(gong)(gong)(gong)(gong)哪家好

它幾乎(hu)是全(quan)斷面全(quan)土(tu)質的(de)(de)掘進(jin)(jin)機(ji)。它可以在(zai)N值(zhi)從0-15的(de)(de)粘土(tu)，N值(zhi)1-50的(de)(de)砂土(tu)以及N值(zhi)10-50的(de)(de)卵礫石層(ceng)等(deng)地層(ceng)中(zhong)(zhong)使用，而且推進(jin)(jin)速度(du)不會有(you)太(tai)大(da)的(de)(de)變化；⑵破碎粒徑大(da)，其破碎粒徑可達掘進(jin)(jin)機(ji)直徑的(de)(de)40-45%之間(jian)；⑶施工精度(du)高，施工后的(de)(de)偏(pian)(pian)差極小；⑷由于(yu)具(ju)有(you)偏(pian)(pian)心運動，進(jin)(jin)土(tu)的(de)(de)間(jian)隙(xi)又(you)比(bi)較小，即使用清水作(zuo)(zuo)為進(jin)(jin)水，也能(neng)保(bao)持挖掘面的(de)(de)穩(wen)定；⑸可以進(jin)(jin)行長距離頂進(jin)(jin)，也可用于(yu)曲率半(ban)徑比(bi)較小的(de)(de)曲線頂進(jin)(jin)；⑹施工速度(du)快，每分鐘可進(jin)(jin)尺100-180mm之間(jian)；⑺機(ji)具(ju)結構緊湊、維修(xiu)保(bao)養簡單、操(cao)作(zuo)(zuo)方便(bian)。無(wu)論在(zai)工作(zuo)(zuo)坑中(zhong)(zhong)安裝還是在(zai)接收井中(zhong)(zhong)拆除都很方便(bian)；泥水式推進(jin)(jin)工法(fa)適于(yu)頂進(jin)(jin)管(guan)徑規格為Φ600~3000mm。廈門DN1600非開挖頂管(guan)施工方案供貨方交付材料之后的(de)(de)服務和支持能(neng)力。

頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)(gong)法(fa)是(shi)先在工(gong)(gong)(gong)作井(jing)內設(she)置(zhi)支座和安裝主(zhu)千斤頂(ding)(ding)(ding)，所(suo)需(xu)鋪設(she)的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)緊跟(gen)在工(gong)(gong)(gong)具管(guan)(guan)(guan)(guan)(guan)(guan)(guan)后，在主(zhu)千斤頂(ding)(ding)(ding)推力的(de)(de)作用下工(gong)(gong)(gong)具管(guan)(guan)(guan)(guan)(guan)(guan)(guan)向土(tu)層內掘(jue)(jue)進，掘(jue)(jue)出的(de)(de)泥土(tu)由土(tu)泵或螺(luo)旋(xuan)輸(shu)送(song)機(ji)排出或以泥漿的(de)(de)形式(shi)(shi)(shi)通過泥漿泵經(jing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)排出.，推進一節管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)后，主(zhu)千斤頂(ding)(ding)(ding)縮回(hui)，吊裝上另一節管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)，繼續頂(ding)(ding)(ding)進。如此往復，直至管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)鋪設(she)完畢。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)鋪設(she)完畢后，工(gong)(gong)(gong)具管(guan)(guan)(guan)(guan)(guan)(guan)(guan)從接收井(jing)吊至地面(mian)。目前(qian)，頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)(gong)常采(cai)(cai)用的(de)(de)施(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)分為(wei)敞開人工(gong)(gong)(gong)手掘(jue)(jue)式(shi)(shi)(shi)（開放型）和密封(feng)(feng)機(ji)械式(shi)(shi)(shi)頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)（密封(feng)(feng)型）施(shi)工(gong)(gong)(gong)方法(fa)，其中機(ji)械式(shi)(shi)(shi)頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)(gong)常用的(de)(de)施(shi)工(gong)(gong)(gong)方法(fa)又有(you)泥水平衡式(shi)(shi)(shi)和土(tu)壓平衡式(shi)(shi)(shi)兩種，頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)(gong)常用的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)材有(you)砼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、玻璃夾砂(sha)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。施(shi)工(gong)(gong)(gong)所(suo)采(cai)(cai)用的(de)(de)主(zhu)要(yao)設(she)備為(wei)信息化(hua)及(ji)全自動化(hua)泥水平衡頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)機(ji)。

由于當時(shi)(shi)(shi)的(de)(de)頂(ding)(ding)(ding)(ding)(ding)管(guan)掘進機(ji)(ji)的(de)(de)設計還停(ting)留(liu)在(zai)(zai)比較(jiao)原始(shi)的(de)(de)階(jie)段，既沒有完整(zheng)的(de)(de)設計施工(gong)(gong)(gong)理論和(he)工(gong)(gong)(gong)藝作指導(dao)，也不(bu)(bu)(bu)考慮(lv)具體的(de)(de)地層條(tiao)件，所(suo)以當時(shi)(shi)(shi)的(de)(de)頂(ding)(ding)(ding)(ding)(ding)管(guan)掘進機(ji)(ji)還不(bu)(bu)(bu)夠完善。土(tu)壓(ya)(ya)(ya)式(shi)(shi)頂(ding)(ding)(ding)(ding)(ding)管(guan)機(ji)(ji)當時(shi)(shi)(shi)分為上(shang)部(bu)出土(tu)和(he)下(xia)部(bu)出土(tu)兩(liang)種，但都沒有引入(ru)土(tu)壓(ya)(ya)(ya)力的(de)(de)概念。其(qi)中(zhong)，也搞了一些水(shui)沖(chong)頂(ding)(ding)(ding)(ding)(ding)管(guan)的(de)(de)試驗。1967年(nian)前后，上(shang)海已(yi)研制成功人(ren)不(bu)(bu)(bu)必進入(ru)管(guan)子的(de)(de)小口徑遙控(kong)土(tu)壓(ya)(ya)(ya)式(shi)(shi)機(ji)(ji)械頂(ding)(ding)(ding)(ding)(ding)管(guan)機(ji)(ji)，口徑有700mm-1050mm多種規格。在(zai)(zai)他們(men)的(de)(de)施工(gong)(gong)(gong)實(shi)例中(zhong)，有穿過鐵路(lu)、公路(lu)的(de)(de)，也有在(zai)(zai)一般道路(lu)下(xia)施工(gong)(gong)(gong)的(de)(de)。這(zhe)些掘進機(ji)(ji)，全部(bu)是(shi)全斷面切削(xue)，采(cai)用(yong)(yong)皮帶輸送(song)機(ji)(ji)出土(tu)。同時(shi)(shi)(shi)，已(yi)采(cai)用(yong)(yong)了液壓(ya)(ya)(ya)糾偏(pian)系統(tong)，并(bing)且糾偏(pian)油缸伸出的(de)(de)長度(du)已(yi)用(yong)(yong)數字顯(xian)示(shi)。1978年(nian)前后，上(shang)海又研制成功適用(yong)(yong)于軟粘土(tu)和(he)淤(yu)泥(ni)質粘土(tu)的(de)(de)擠壓(ya)(ya)(ya)法頂(ding)(ding)(ding)(ding)(ding)管(guan)，這(zhe)種方法要求的(de)(de)覆土(tu)厚(hou)度(du)較(jiao)大的(de)(de)(大于2倍(bei)的(de)(de)管(guan)外徑)，但施工(gong)(gong)(gong)效率比普(pu)通(tong)手(shou)掘式(shi)(shi)頂(ding)(ding)(ding)(ding)(ding)管(guan)提高1倍(bei)以上(shang)。廈門(men)常達管(guan)業 施工(gong)(gong)(gong)設置的(de)(de)臨時(shi)(shi)(shi)水(shui)準點、軸線(xian)控(kong)制樁(zhuang)、高程(cheng)樁(zhuang)必須(xu)經復核(he)方可使用(yong)(yong)，并(bing)應經常校核(he)。

由于(yu)(yu)刀盤運動過程中(zhong)，泥(ni)(ni)水(shui)倉和泥(ni)(ni)土(tu)(tu)倉中(zhong)的(de)(de)(de)間(jian)隙也(ye)不(bu)斷的(de)(de)(de)由比(bi)(bi)(bi)較小變到(dao)比(bi)(bi)(bi)較大(da)(da)這樣循環變化著(zhu)，因此(ci)，它除(chu)了有(you)軋(ya)碎(sui)(sui)小塊石頭的(de)(de)(de)功能以外還(huan)始終能保(bao)證(zheng)進水(shui)泵的(de)(de)(de)泥(ni)(ni)水(shui)能通過此(ci)間(jian)隙到(dao)達泥(ni)(ni)土(tu)(tu)倉中(zhong)，從而保(bao)證(zheng)了掘(jue)進機(ji)(ji)(ji)不(bu)僅(jin)在(zai)砂(sha)土(tu)(tu)中(zhong)，即使在(zai)粘土(tu)(tu)中(zhong)也(ye)能正常工作。一(yi)(yi)般情況下(xia)，刀盤每分(fen)鐘能旋轉4-5轉，每當(dang)刀盤旋轉一(yi)(yi)圈(quan)時，偏心(xin)的(de)(de)(de)軋(ya)碎(sui)(sui)動作達20-23次。由于(yu)(yu)此(ci)機(ji)(ji)(ji)型有(you)以上這些特殊的(de)(de)(de)構(gou)造，因此(ci)它的(de)(de)(de)破(po)碎(sui)(sui)能力是所有(you)具有(you)破(po)碎(sui)(sui)功能的(de)(de)(de)掘(jue)進機(ji)(ji)(ji)中(zhong)比(bi)(bi)(bi)較大(da)(da)的(de)(de)(de)，破(po)碎(sui)(sui)的(de)(de)(de)比(bi)(bi)(bi)較大(da)(da)粒徑(jing)可達掘(jue)進機(ji)(ji)(ji)直徑(jing)的(de)(de)(de)40-45%之(zhi)間(jian)，破(po)碎(sui)(sui)的(de)(de)(de)卵石強度可達200MPa。對于(yu)(yu)每道工序施(shi)工，都要進行技術交(jiao)底工作，堅持“自檢(jian)”、“專檢(jian)”、“交(jiao)接檢(jian)”三檢(jian)制度。南平DN3200水(shui)泥(ni)(ni)頂(ding)管施(shi)工隊

組織工(gong)人學(xue)習公司的(de)各項規章制度、質量(liang)安全(quan)管理條(tiao)例。南平球(qiu)墨管頂管施工(gong)哪家好

合(he)(he)同(tong)(tong)措施3.1根據當(dang)前(qian)實(shi)際情況，快速掌握材料(liao)質量(liang)、價格(ge)、供(gong)貨(huo)(huo)(huo)能力的信息(xi)、選擇好的供(gong)貨(huo)(huo)(huo)廠家，從而(er)確保工(gong)程質量(liang)。材料(liao)訂(ding)(ding)貨(huo)(huo)(huo)時，要(yao)求(qiu)廠家提供(gong)質量(liang)保證文件(jian)。材料(liao)訂(ding)(ding)貨(huo)(huo)(huo)、采購質量(liang)應(ying)滿足有(you)關(guan)標(biao)準和設(she)計(ji)要(yao)求(qiu)，交貨(huo)(huo)(huo)期(qi)應(ying)滿足施工(gong)進度計(ji)劃要(yao)求(qiu)。在(zai)訂(ding)(ding)貨(huo)(huo)(huo)時應(ying)依據質量(liang)標(biao)準簽訂(ding)(ding)合(he)(he)同(tong)(tong)。3.2與(yu)施工(gong)班(ban)組簽訂(ding)(ding)合(he)(he)同(tong)(tong)，實(shi)現(xian)一切管(guan)理基本原則(ze)，避免扯皮現(xian)象。在(zai)工(gong)程實(shi)施當(dang)中，合(he)(he)同(tong)(tong)是(shi)至(zhi)高(gao)和比較終的，是(shi)所有(you)班(ban)組行(xing)為準則(ze)的基礎，各班(ban)組碰到矛盾應(ying)無條(tiao)件(jian)服(fu)從合(he)(he)同(tong)(tong)條(tiao)款(kuan)，以確保工(gong)程正常(chang)進行(xing)。南(nan)平球墨管(guan)頂(ding)管(guan)施工(gong)哪家好

廈(sha)門常達(da)管(guan)業有限公司在建(jian)筑、建(jian)材這(zhe)一領域傾注了無限的熱忱和激情，常達(da)管(guan)業一直(zhi)以(yi)客(ke)(ke)戶為(wei)中心(xin)(xin)、為(wei)客(ke)(ke)戶創造價值的理念(nian)、以(yi)品質、服務來贏(ying)得市場(chang)，衷(zhong)心(xin)(xin)希望能與(yu)社會各界合作，共創成(cheng)功，共創輝煌。相(xiang)關業務歡迎垂詢(xun)。

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