頂(ding)(ding)(ding)升設備由(you)一(yi)臺(tai)(tai)高壓油泵和(he)兩臺(tai)(tai)200-500t千(qian)(qian)斤(jin)頂(ding)(ding)(ding)組成(cheng)。千(qian)(qian)斤(jin)頂(ding)(ding)(ding)安(an)裝在(zai)后梁和(he)管(guan)(guan)接(jie)頭(tou)之(zhi)間(jian)。在(zai)管(guan)(guan)接(jie)頭(tou)后端(duan)和(he)千(qian)(qian)斤(jin)頂(ding)(ding)(ding)之(zhi)間(jian)有特殊的(de)(de)(de)(de)鋼固(gu)定(ding)器和(he)麻(ma)或(huo)橡(xiang)膠(jiao)墊(dian)，以保護混(hun)凝土(tu)(tu)管(guan)(guan)端(duan)。管(guan)(guan)道(dao)外壁涂(tu)有石蠟作(zuo)為(wei)潤(run)滑劑，以減少頂(ding)(ding)(ding)托摩擦(ca)。千(qian)(qian)斤(jin)頂(ding)(ding)(ding)通過(guo)傳力柱將管(guan)(guan)接(jie)頭(tou)頂(ding)(ding)(ding)入路基。在(zai)安(an)裝和(he)試運(yun)(yun)行后，設備可(ke)以挖(wa)掘和(he)頂(ding)(ding)(ding)起(qi)，沒(mei)有任何異常。挖(wa)掘深(shen)度(du)取(qu)決(jue)于土(tu)(tu)質和(he)管(guan)(guan)道(dao)頂(ding)(ding)(ding)部的(de)(de)(de)(de)覆蓋(gai)層厚度(du)。土(tu)(tu)質密(mi)實，覆蓋(gai)層厚度(du)較厚，有利于卸荷拱的(de)(de)(de)(de)形成(cheng)。可(ke)以適當多挖(wa)一(yi)些(xie)。如(ru)果(guo)土(tu)(tu)質疏松或(huo)者覆蓋(gai)層厚度(du)小，就要少挖(wa)多挖(wa)。挖(wa)掘直徑(jing)不應超過(guo)管(guan)(guan)接(jie)頭(tou)的(de)(de)(de)(de)外徑(jing)。挖(wa)掘和(he)運(yun)(yun)土(tu)(tu)工(gong)(gong)具根據管(guan)(guan)道(dao)直徑(jing)確定(ding)。可(ke)以做內徑(jing)880-1500mm的(de)(de)(de)(de)特用(yong)(yong)臺(tai)(tai)車。內徑(jing)1500mm以上(shang)的(de)(de)(de)(de)雙輪小車可(ke)直接(jie)出(chu)土(tu)(tu)，用(yong)(yong)吊車或(huo)電動葫(hu)蘆垂直運(yun)(yun)土(tu)(tu)。應始(shi)終測量(liang)頂(ding)(ding)(ding)升過(guo)程。每(mei)次(ci)頂(ding)(ding)(ding)進過(guo)程后，應測量(liang)一(yi)次(ci)管(guan)(guan)道(dao)的(de)(de)(de)(de)標高和(he)左右(you)偏(pian)差。發現問題時，糾正左右(you)偏(pian)移(yi)和(he)抬頭(tou)的(de)(de)(de)(de)措施(shi)(shi)可(ke)以是:在(zai)管(guan)(guan)道(dao)前端(duan)設置斜撐(cheng)支(zhi)撐(cheng)管(guan)(guan)前土(tu)(tu)壁，結合一(yi)側超挖(wa)，隨(sui)頂(ding)(ding)(ding)進一(yi)起(qi)糾正偏(pian)移(yi)。在(zai)前兩段的(de)(de)(de)(de)連(lian)接(jie)處，用(yong)(yong)鋼板焊接(jie)的(de)(de)(de)(de)鋼制膨脹環進行加固(gu)，作(zuo)為(wei)防止偏(pian)移(yi)的(de)(de)(de)(de)措施(shi)(shi)。供貨方交付(fu)材料之(zhi)后的(de)(de)(de)(de)服務和(he)支(zhi)持能力。廈門DN2800鋼管(guan)(guan)頂(ding)(ding)(ding)管(guan)(guan)施(shi)(shi)工(gong)(gong)公司

施(shi)工(gong)(gong)(gong)測(ce)(ce)(ce)(ce)量1、測(ce)(ce)(ce)(ce)量準備工(gong)(gong)(gong)作（1）進場后(hou)對(dui)甲方提供的(de)(de)(de)測(ce)(ce)(ce)(ce)量控(kong)制點(dian)(dian)、水準點(dian)(dian)和標(biao)高進行現場復測(ce)(ce)(ce)(ce)，填妥(tuo)《測(ce)(ce)(ce)(ce)量復核記錄》并(bing)簽字備案。（2）測(ce)(ce)(ce)(ce)量控(kong)制網的(de)(de)(de)布設：根據甲方所提供的(de)(de)(de)測(ce)(ce)(ce)(ce)量控(kong)制點(dian)(dian)及國家(jia)的(de)(de)(de)有(you)(you)關(guan)規(gui)范(fan)和有(you)(you)關(guan)設計、施(shi)工(gong)(gong)(gong)規(gui)范(fan)的(de)(de)(de)要求(qiu)進行，以(yi)測(ce)(ce)(ce)(ce)量控(kong)制網作為該工(gong)(gong)(gong)程(cheng)的(de)(de)(de)平面、高程(cheng)控(kong)制和施(shi)工(gong)(gong)(gong)測(ce)(ce)(ce)(ce)量放(fang)樣(yang)的(de)(de)(de)首級控(kong)制及依據。（3）各種測(ce)(ce)(ce)(ce)量儀(yi)器、工(gong)(gong)(gong)具(ju)均應(ying)按有(you)(you)關(guan)的(de)(de)(de)質量管理(li)規(gui)定，在使用前送(song)有(you)(you)關(guan)部門進行檢(jian)測(ce)(ce)(ce)(ce)，取得有(you)(you)關(guan)持檢(jian)部門的(de)(de)(de)合格證書后(hou)才能使用。使用過程(cheng)中有(you)(you)關(guan)人(ren)員應(ying)經常對(dui)所用的(de)(de)(de)儀(yi)器、工(gong)(gong)(gong)具(ju)進行自(zi)(zi)檢(jian)、自(zi)(zi)校(xiao)使之(zhi)保持在良好的(de)(de)(de)狀態(tai)中。泉(quan)州DN3200非開挖頂管施(shi)工(gong)(gong)(gong)電話嚴格遵守“建筑工(gong)(gong)(gong)地安全生產六大紀(ji)律”，進入人(ren)員一(yi)律戴好安全帽。

（1）組織(zhi)措施(shi)(shi)1.1項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)部(bu)挑選具有同(tong)類項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)工(gong)(gong)程施(shi)(shi)工(gong)(gong)經驗的(de)施(shi)(shi)工(gong)(gong)隊長和技術員(yuan)擔任本(ben)工(gong)(gong)程的(de)施(shi)(shi)工(gong)(gong)隊長，將工(gong)(gong)程質(zhi)量、安(an)全(quan)(quan)(quan)、進(jin)(jin)度能(neng)(neng)否達標將直接與施(shi)(shi)工(gong)(gong)隊長及全(quan)(quan)(quan)體項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)人(ren)(ren)員(yuan)的(de)切身利(li)益掛鉤，調動全(quan)(quan)(quan)體施(shi)(shi)工(gong)(gong)人(ren)(ren)員(yuan)的(de)工(gong)(gong)作積(ji)極性，充(chong)分發揮人(ren)(ren)的(de)主觀能(neng)(neng)動性。1.2開工(gong)(gong)前(qian)，由項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)技術負責人(ren)(ren)組織(zhi)全(quan)(quan)(quan)方面的(de)技術交(jiao)底。各分項(xiang)(xiang)(xiang)(xiang)工(gong)(gong)程施(shi)(shi)工(gong)(gong)前(qian)，應由項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)技術負責人(ren)(ren)向參加該項(xiang)(xiang)(xiang)(xiang)目(mu)(mu)的(de)全(quan)(quan)(quan)體施(shi)(shi)工(gong)(gong)人(ren)(ren)員(yuan)進(jin)(jin)行(xing)(xing)技術交(jiao)底，其內容：尺寸、標高、預留洞(dong)口、預埋(mai)件、材(cai)料規(gui)格等要求(qiu)；明確(que)工(gong)(gong)序(xu)搭(da)接、工(gong)(gong)種(zhong)配合、施(shi)(shi)工(gong)(gong)方法、進(jin)(jin)度等施(shi)(shi)工(gong)(gong)安(an)排(pai)；明確(que)質(zhi)量、安(an)全(quan)(quan)(quan)、節(jie)約措施(shi)(shi)和工(gong)(gong)作目(mu)(mu)標。1.3組織(zhi)工(gong)(gong)人(ren)(ren)學習公司的(de)各項(xiang)(xiang)(xiang)(xiang)規(gui)章制度、質(zhi)量安(an)全(quan)(quan)(quan)管理條(tiao)例，使他(ta)們從(cong)思想上認識(shi)到(dao)質(zhi)量、安(an)全(quan)(quan)(quan)的(de)重(zhong)要性，從(cong)而為工(gong)(gong)程的(de)順利(li)進(jin)(jin)行(xing)(xing)創造(zao)有利(li)條(tiao)件。

沉井頂管施工段落地(di)層(ceng)(ceng)(ceng)(ceng)(ceng)根據(ju)其(qi)形成(cheng)年代(dai)、成(cheng)因(yin)類型及工程(cheng)性(xing)(xing)質特征(zheng)自上至(zhi)下可劃(hua)分為兩個(ge)主(zhu)層(ceng)(ceng)(ceng)(ceng)(ceng)和若干(gan)亞層(ceng)(ceng)(ceng)(ceng)(ceng)。耕土(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)：粉(fen)土(tu)(tu)(tu)(tu)為主(zhu)，土(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)厚度(du)(du)在(zai)0.2～1.4m之(zhi)間(jian)(jian)，處于松散狀態(tai)；粉(fen)土(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)：褐黃色，土(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)厚度(du)(du)在(zai)1.3～6.2m之(zhi)間(jian)(jian)，中(zhong)度(du)(du)密(mi)實、土(tu)(tu)(tu)(tu)質均勻，局部與粉(fen)質黏土(tu)(tu)(tu)(tu)互層(ceng)(ceng)(ceng)(ceng)(ceng)，其(qi)工程(cheng)力(li)(li)(li)學(xue)(xue)(xue)性(xing)(xing)質較(jiao)好(hao)(hao)；細砂層(ceng)(ceng)(ceng)(ceng)(ceng)：黃褐色，土(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)厚度(du)(du)在(zai)0～2.8m之(zhi)間(jian)(jian)，且分選性(xing)(xing)好(hao)(hao)，以(yi)石英、長石為主(zhu)要礦(kuang)物成(cheng)分，其(qi)物理力(li)(li)(li)學(xue)(xue)(xue)性(xing)(xing)質較(jiao)好(hao)(hao)；粉(fen)質粘(zhan)土(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)：褐黃色，土(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)厚度(du)(du)在(zai)0.4～5.5m之(zhi)間(jian)(jian)，為夾粉(fen)土(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)，其(qi)物理力(li)(li)(li)學(xue)(xue)(xue)性(xing)(xing)質較(jiao)好(hao)(hao)；施工場地(di)地(di)基土(tu)(tu)(tu)(tu)承載力(li)(li)(li)在(zai)100～240KPa之(zhi)間(jian)(jian)，壓縮性(xing)(xing)中(zhong)等，其(qi)力(li)(li)(li)學(xue)(xue)(xue)性(xing)(xing)質較(jiao)好(hao)(hao)。臨(lin)時水準點應設置(zhi)在(zai)交(jiao)通要道、挖(wa)填方(fang)范圍以(yi)外。

由(you)(you)(you)于刀(dao)盤運動(dong)過程中(zhong)(zhong)(zhong)，泥(ni)水(shui)(shui)倉(cang)和泥(ni)土倉(cang)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)間(jian)隙也不(bu)斷的(de)(de)(de)(de)(de)由(you)(you)(you)比較小(xiao)變到比較大這樣循環變化(hua)著(zhu)，因此(ci)，它除了有軋(ya)碎小(xiao)塊石頭的(de)(de)(de)(de)(de)功能(neng)(neng)以(yi)外(wai)還始(shi)終能(neng)(neng)保證(zheng)(zheng)進(jin)水(shui)(shui)泵的(de)(de)(de)(de)(de)泥(ni)水(shui)(shui)能(neng)(neng)通過此(ci)間(jian)隙到達(da)泥(ni)土倉(cang)中(zhong)(zhong)(zhong)，從而保證(zheng)(zheng)了掘(jue)進(jin)機(ji)(ji)不(bu)僅在(zai)砂(sha)土中(zhong)(zhong)(zhong)，即使在(zai)粘土中(zhong)(zhong)(zhong)也能(neng)(neng)正常(chang)工作。一般(ban)情況下，刀(dao)盤每分鐘能(neng)(neng)旋轉(zhuan)4-5轉(zhuan)，每當刀(dao)盤旋轉(zhuan)一圈時，偏(pian)心(xin)的(de)(de)(de)(de)(de)軋(ya)碎動(dong)作達(da)20-23次(ci)。由(you)(you)(you)于此(ci)機(ji)(ji)型有以(yi)上這些特殊的(de)(de)(de)(de)(de)構造，因此(ci)它的(de)(de)(de)(de)(de)破碎能(neng)(neng)力是所有具有破碎功能(neng)(neng)的(de)(de)(de)(de)(de)掘(jue)進(jin)機(ji)(ji)中(zhong)(zhong)(zhong)比較大的(de)(de)(de)(de)(de)，破碎的(de)(de)(de)(de)(de)比較大粒徑(jing)可達(da)掘(jue)進(jin)機(ji)(ji)直徑(jing)的(de)(de)(de)(de)(de)40-45%之間(jian)，破碎的(de)(de)(de)(de)(de)卵石強度可達(da)200MPa。廈(sha)門(men)常(chang)達(da)管(guan)(guan)業電(dian)工、電(dian)焊(han)工、起重工等(deng)特殊工種作業人員必須(xu)經過專業培訓，持證(zheng)(zheng)上崗。泉(quan)州DN3200非開(kai)挖(wa)頂(ding)管(guan)(guan)施(shi)工電(dian)話(hua)

組織工(gong)人學(xue)習公(gong)司的各項規章制(zhi)度(du)、質(zhi)量安全管(guan)理條例。廈(sha)門(men)DN2800鋼管(guan)頂管(guan)施工(gong)公(gong)司

土(tu)(tu)(tu)壓(ya)式(shi)(shi)推進(jin)工法(fa)有如下(xia)(xia)特點：⑴通(tong)過向切削(xue)倉(cang)(cang)內(nei)注入一(yi)定比例的混合材料，使得充(chong)滿泥倉(cang)(cang)的泥土(tu)(tu)(tu)混合體平(ping)(ping)衡(heng)(heng)正面(mian)土(tu)(tu)(tu)壓(ya)力(li)以(yi)及地下(xia)(xia)水壓(ya)力(li)；⑵無(wu)需泥漿泵等后部(bu)配套裝置，整機(ji)(ji)造價低(di)廉；⑶無(wu)需泥漿處理(li)，施工成本(ben)低(di)。土(tu)(tu)(tu)壓(ya)式(shi)(shi)推進(jin)工法(fa)所(suo)采用(yong)的頂管(guan)掘(jue)進(jin)機(ji)(ji)可根據機(ji)(ji)頭(tou)所(suo)載(zai)刀(dao)(dao)盤(pan)數量(liang)分(fen)為(wei)單(dan)刀(dao)(dao)盤(pan)土(tu)(tu)(tu)壓(ya)平(ping)(ping)衡(heng)(heng)掘(jue)進(jin)機(ji)(ji)和多刀(dao)(dao)盤(pan)土(tu)(tu)(tu)壓(ya)平(ping)(ping)衡(heng)(heng)掘(jue)進(jin)機(ji)(ji)。單(dan)刀(dao)(dao)盤(pan)土(tu)(tu)(tu)壓(ya)平(ping)(ping)衡(heng)(heng)掘(jue)進(jin)機(ji)(ji)單(dan)刀(dao)(dao)盤(pan)土(tu)(tu)(tu)壓(ya)平(ping)(ping)衡(heng)(heng)掘(jue)進(jin)機(ji)(ji)有以(yi)下(xia)(xia)優(you)點：⑴適用(yong)的土(tu)(tu)(tu)質范圍非常廣，除巖(yan)石外的其(qi)他類土(tu)(tu)(tu)質均(jun)適用(yong)，且不(bu)需采用(yong)其(qi)他輔助(zhu)手段；⑵施工后地面(mian)沉降小；⑶棄土(tu)(tu)(tu)的處理(li)比較簡(jian)單(dan)⑷可在復土(tu)(tu)(tu)層只為(wei)管(guan)外徑0.8倍的淺土(tu)(tu)(tu)層中(zhong)施工；⑸有完(wan)善的土(tu)(tu)(tu)體改良系統和具有良好的土(tu)(tu)(tu)體改良功(gong)能；⑹開(kai)口率(lv)達100％，土(tu)(tu)(tu)壓(ya)力(li)更切合實際。廈門DN2800鋼管(guan)頂管(guan)施工公司

廈門(men)常達管業有限公司在同(tong)行業領域中，一(yi)(yi)直處在一(yi)(yi)個不(bu)斷銳意進取(qu)，不(bu)斷制造(zao)創(chuang)新(xin)(xin)的(de)(de)(de)(de)市(shi)場高(gao)度，多年以(yi)來致力于(yu)發展富有創(chuang)新(xin)(xin)價值理念的(de)(de)(de)(de)產品標(biao)準，在福建(jian)省等(deng)地區的(de)(de)(de)(de)建(jian)筑、建(jian)材中始(shi)終(zhong)保(bao)持(chi)良好的(de)(de)(de)(de)商業口碑，成績(ji)讓(rang)我(wo)們(men)喜悅，但(dan)不(bu)會讓(rang)我(wo)們(men)止步(bu)，殘(can)酷的(de)(de)(de)(de)市(shi)場磨煉了(le)我(wo)們(men)堅(jian)強不(bu)屈(qu)的(de)(de)(de)(de)意志(zhi)，和諧溫馨的(de)(de)(de)(de)工作(zuo)環境，富有營養(yang)的(de)(de)(de)(de)公司土壤(rang)滋(zi)養(yang)著(zhu)我(wo)們(men)不(bu)斷開拓創(chuang)新(xin)(xin)，勇于(yu)進取(qu)的(de)(de)(de)(de)無限潛力，廈門(men)常達管業供應攜手大家一(yi)(yi)起走向(xiang)共同(tong)輝煌(huang)的(de)(de)(de)(de)未來，回首過去(qu)，我(wo)們(men)不(bu)會因為取(qu)得了(le)一(yi)(yi)點點成績(ji)而沾沾自(zi)喜，相反的(de)(de)(de)(de)是面對競爭越來越激(ji)烈的(de)(de)(de)(de)市(shi)場氛(fen)圍(wei)，我(wo)們(men)更(geng)要明(ming)確自(zi)己的(de)(de)(de)(de)不(bu)足，做好迎接新(xin)(xin)挑(tiao)戰的(de)(de)(de)(de)準備，要不(bu)畏困難，激(ji)流勇進，以(yi)一(yi)(yi)個更(geng)嶄新(xin)(xin)的(de)(de)(de)(de)精神(shen)面貌迎接大家，共同(tong)走向(xiang)輝煌(huang)回來！

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