由于当(dang)时(shi)的(de)(de)(de)(de)(de)顶(ding)管(guan)(guan)(guan)掘(jue)进机的(de)(de)(de)(de)(de)设计还停留在比较原始(shi)的(de)(de)(de)(de)(de)阶段，既没有(you)完整(zheng)的(de)(de)(de)(de)(de)设计施工(gong)理论和工(gong)艺作(zuo)指导(dao)，也(ye)不考虑具体(ti)的(de)(de)(de)(de)(de)地层条件(jian)，所以(yi)当(dang)时(shi)的(de)(de)(de)(de)(de)顶(ding)管(guan)(guan)(guan)掘(jue)进机还不够完善。土(tu)(tu)(tu)压(ya)(ya)式顶(ding)管(guan)(guan)(guan)机当(dang)时(shi)分为上(shang)部(bu)出(chu)(chu)土(tu)(tu)(tu)和下部(bu)出(chu)(chu)土(tu)(tu)(tu)两种(zhong)，但都没有(you)引入土(tu)(tu)(tu)压(ya)(ya)力的(de)(de)(de)(de)(de)概念。其中，也(ye)搞了一些水冲顶(ding)管(guan)(guan)(guan)的(de)(de)(de)(de)(de)试验(yan)。1967年前后，上(shang)海已研制成功人(ren)不必进入管(guan)(guan)(guan)子的(de)(de)(de)(de)(de)小口径(jing)遥控(kong)土(tu)(tu)(tu)压(ya)(ya)式机械(xie)顶(ding)管(guan)(guan)(guan)机，口径(jing)有(you)700mm-1050mm多种(zhong)规格。在他们的(de)(de)(de)(de)(de)施工(gong)实例中，有(you)穿过铁路、公路的(de)(de)(de)(de)(de)，也(ye)有(you)在一般道路下施工(gong)的(de)(de)(de)(de)(de)。这些掘(jue)进机，全部(bu)是全断面切削，采(cai)用皮带输送机出(chu)(chu)土(tu)(tu)(tu)。同时(shi)，已采(cai)用了液压(ya)(ya)纠偏系统，并且纠偏油缸伸出(chu)(chu)的(de)(de)(de)(de)(de)长度已用数(shu)字显示。1978年前后，上(shang)海又研制成功适用于软(ruan)粘土(tu)(tu)(tu)和淤泥(ni)质粘土(tu)(tu)(tu)的(de)(de)(de)(de)(de)挤(ji)压(ya)(ya)法(fa)顶(ding)管(guan)(guan)(guan)，这种(zhong)方法(fa)要(yao)求(qiu)的(de)(de)(de)(de)(de)覆土(tu)(tu)(tu)厚(hou)度较大的(de)(de)(de)(de)(de)(大于2倍的(de)(de)(de)(de)(de)管(guan)(guan)(guan)外径(jing))，但施工(gong)效(xiao)率比普通(tong)手掘(jue)式顶(ding)管(guan)(guan)(guan)提(ti)高1倍以(yi)上(shang)。测量(liang)时(shi)，应(ying)对仪器(qi)进行检(jian)查调(diao)整(zheng)，对原始(shi)记录作(zuo)详细校对。湖里区(qu)DN2400非开(kai)挖顶(ding)管(guan)(guan)(guan)施工(gong)费用

顶管(guan)施工(gong)(gong)(gong)前，必须(xu)对施工(gong)(gong)(gong)现(xian)场(chang)或(huo)附(fu)近的(de)(de)地(di)下管(guan)网进行勘测，对现(xian)场(chang)的(de)(de)供水(shui)、燃(ran)气、通讯、电力(li)等管(guan)线(xian)进行定(ding)位，对那些(xie)需要(yao)停(ting)工(gong)(gong)(gong)或(huo)迁离的(de)(de)管(guan)线(xian)进行严格(ge)(ge)分析，然后(hou)明(ming)确(que)标出；第(di)二要(yao)调查施工(gong)(gong)(gong)现(xian)场(chang)路(lu)(lu)(lu)面的(de)(de)车(che)流(liu)、人(ren)流(liu)等交通状况，必要(yao)时(shi)在(zai)路(lu)(lu)(lu)口设计(ji)交通引导牌，安排(pai)专人(ren)指挥(hui)，根(gen)据道路(lu)(lu)(lu)交通状况合(he)理(li)安排(pai)施工(gong)(gong)(gong)路(lu)(lu)(lu)线(xian)；第(di)三要(yao)对施工(gong)(gong)(gong)现(xian)场(chang)和附(fu)近的(de)(de)排(pai)水(shui)管(guan)道有(you)清(qing)楚(chu)的(de)(de)了解，规(gui)划设计(ji)更好(hao)的(de)(de)排(pai)水(shui)路(lu)(lu)(lu)线(xian)，必要(yao)时(shi)搭建(jian)临时(shi)排(pai)水(shui)管(guan)道，防止施工(gong)(gong)(gong)污水(shui)流(liu)入(ru)其(qi)(qi)他位置。第(di)四(si)，如果(guo)施工(gong)(gong)(gong)现(xian)场(chang)有(you)桥梁或(huo)其(qi)(qi)他建(jian)筑物(wu)，设计(ji)人(ren)员必须(xu)查明(ming)桥墩、桥台基础、建(jian)筑基桩(zhuang)等，以避免管(guan)道施工(gong)(gong)(gong)的(de)(de)破坏性影(ying)响。集美(mei)区DN1400钢(gang)管(guan)顶管(guan)施工(gong)(gong)(gong)每米(mi)价(jia)格(ge)(ge)坚(jian)持上(shang)道工(gong)(gong)(gong)序(xu)的(de)(de)施工(gong)(gong)(gong)质量达到合(he)格(ge)(ge)标准，并(bing)及时(shi)上(shang)报(bao)监理(li)，监理(li)认定(ding)工(gong)(gong)(gong)序(xu)质量合(he)格(ge)(ge)后(hou)，下道工(gong)(gong)(gong)序(xu)才能施工(gong)(gong)(gong)的(de)(de)原(yuan)则(ze)。

工程(cheng)概况船舶工业基地滨海路(lu)污(wu)(wu)水(shui)(shui)排水(shui)(shui)管(guan)(guan)(guan)(guan)网工程(cheng)从(cong)工业污(wu)(wu)水(shui)(shui)处(chu)(chu)理(li)厂(chang)至市(shi)政污(wu)(wu)水(shui)(shui)处(chu)(chu)理(li)厂(chang)管(guan)(guan)(guan)(guan)道(dao)输水(shui)(shui)规模为5万m3/d，采用DN1400缠绕结构(gou)壁排水(shui)(shui)聚乙(yi)烯(xi)（HDPE）管(guan)(guan)(guan)(guan)，重力(li)流，全(quan)长7042m，过(guo)路(lu)及过(guo)河(he)时(shi)改为DN1400钢管(guan)(guan)(guan)(guan)，壁厚12mm,或DN900钢管(guan)(guan)(guan)(guan)，壁厚9mm，顶管(guan)(guan)(guan)(guan)施工；市(shi)政污(wu)(wu)水(shui)(shui)处(chu)(chu)理(li)厂(chang)至工业净水(shui)(shui)厂(chang)输水(shui)(shui)管(guan)(guan)(guan)(guan)道(dao)规模为5万m3/d，污(wu)(wu)水(shui)(shui)处(chu)(chu)理(li)厂(chang)至2号提升泵(beng)站前为DN1400缠绕壁结构(gou)管(guan)(guan)(guan)(guan)（HDPE），重力(li)流，全(quan)长2848m，2号泵(beng)站后采用2根DN600给(ji)水(shui)(shui)聚乙(yi)烯(xi)(PE)管(guan)(guan)(guan)(guan)，全(quan)长6346m,过(guo)路(lu)、过(guo)河(he)时(shi)采用DN600给(ji)水(shui)(shui)聚乙(yi)烯(xi)(PE)管(guan)(guan)(guan)(guan)，(壁厚46.3mm)定向钻敷设(she)。

泥(ni)(ni)水(shui)(shui)(shui)(shui)推(tui)进(jin)(jin)(jin)工(gong)(gong)(gong)法有如(ru)下特点：⑴通(tong)过(guo)(guo)刀(dao)盘(pan)以及顶(ding)速(su)平(ping)(ping)衡(heng)正面(mian)土压力，调节(jie)循环水(shui)(shui)(shui)(shui)压力用以平(ping)(ping)衡(heng)地(di)下水(shui)(shui)(shui)(shui)压力；⑵采(cai)用流体(ti)输送切削入泥(ni)(ni)仓的(de)(de)土体(ti)，顶(ding)进(jin)(jin)(jin)过(guo)(guo)程中不间(jian)断，施(shi)工(gong)(gong)(gong)速(su)度快(kuai)；⑶无(wu)需地(di)基改良(liang)或降(jiang)水(shui)(shui)(shui)(shui)处理，施(shi)工(gong)(gong)(gong)后地(di)表沉(chen)降(jiang)小(xiao)。泥(ni)(ni)水(shui)(shui)(shui)(shui)式推(tui)进(jin)(jin)(jin)工(gong)(gong)(gong)法所采(cai)用的(de)(de)掘(jue)进(jin)(jin)(jin)机(ji)(ji)(ji)(ji)(ji)常用的(de)(de)有刀(dao)盘(pan)可(ke)(ke)伸(shen)(shen)(shen)缩(suo)式泥(ni)(ni)水(shui)(shui)(shui)(shui)平(ping)(ping)衡(heng)掘(jue)进(jin)(jin)(jin)机(ji)(ji)(ji)(ji)(ji)和偏心破(po)碎泥(ni)(ni)水(shui)(shui)(shui)(shui)平(ping)(ping)衡(heng)掘(jue)进(jin)(jin)(jin)机(ji)(ji)(ji)(ji)(ji)。刀(dao)盘(pan)可(ke)(ke)伸(shen)(shen)(shen)缩(suo)式泥(ni)(ni)水(shui)(shui)(shui)(shui)平(ping)(ping)衡(heng)掘(jue)进(jin)(jin)(jin)机(ji)(ji)(ji)(ji)(ji)如(ru)需穿(chuan)越建筑物(wu)、构(gou)造物(wu)、埋设物(wu)等对地(di)面(mian)沉(chen)降(jiang)要求很小(xiao)的(de)(de)情况(kuang)下，可(ke)(ke)采(cai)用刀(dao)盘(pan)可(ke)(ke)伸(shen)(shen)(shen)缩(suo)式泥(ni)(ni)水(shui)(shui)(shui)(shui)平(ping)(ping)衡(heng)掘(jue)进(jin)(jin)(jin)机(ji)(ji)(ji)(ji)(ji)，此种机(ji)(ji)(ji)(ji)(ji)头的(de)(de)刀(dao)盘(pan)是一个(ge)直径(jing)比掘(jue)进(jin)(jin)(jin)机(ji)(ji)(ji)(ji)(ji)前(qian)壳体(ti)略小(xiao)的(de)(de)具(ju)有一定刚度的(de)(de)圆(yuan)盘(pan)。圆(yuan)盘(pan)中还嵌(qian)有切削刀(dao)和刀(dao)架(jia)。刀(dao)盘(pan)和切削刀(dao)架(jia)之间(jian)可(ke)(ke)以同步(bu)伸(shen)(shen)(shen)缩(suo)，也可(ke)(ke)以单独伸(shen)(shen)(shen)缩(suo)。安(an)全(quan)员(yuan)每天做好施(shi)工(gong)(gong)(gong)现场巡视工(gong)(gong)(gong)作(zuo)，发现问题及时(shi)制(zhi)止纠正，重大(da)安(an)全(quan)隐患要下达整改通(tong)知单并报上级部门处理。

注(zhu)浆(jiang)(jiang)的(de)(de)(de)(de)(de)基本要(yao)(yao)求(qiu)：1、为(wei)了减(jian)(jian)(jian)小管(guan)道与(yu)(yu)周围(wei)土层(ceng)的(de)(de)(de)(de)(de)摩擦(ca)力，顶(ding)进(jin)管(guan)道与(yu)(yu)土体(ti)之间(jian)要(yao)(yao)留有(you)一定(ding)(ding)(ding)的(de)(de)(de)(de)(de)间(jian)隙(xi)，其大小一般不应小于20mm；如果土层(ceng)较为(wei)坚硬，一般要(yao)(yao)求(qiu)间(jian)隙(xi)宜达(da)到(dao)30mm左右。触变泥浆(jiang)(jiang)在顶(ding)进(jin)过(guo)程(cheng)(cheng)(cheng)中(zhong)(zhong)管(guan)道与(yu)(yu)周围(wei)土体(ti)之间(jian)可(ke)以(yi)形(xing)成连续不断(duan)的(de)(de)(de)(de)(de)润滑减(jian)(jian)(jian)阻保(bao)(bao)护膜(mo)，从而(er)达(da)到(dao)减(jian)(jian)(jian)少摩擦(ca)阻力的(de)(de)(de)(de)(de)效果；2、在进(jin)行(xing)(xing)管(guan)节注(zhu)浆(jiang)(jiang)施(shi)工过(guo)程(cheng)(cheng)(cheng)中(zhong)(zhong)，要(yao)(yao)时刻确保(bao)(bao)注(zhu)浆(jiang)(jiang)原材料具(ju)有(you)流动(dong)性(xing)，同时也(ye)需(xu)要(yao)(yao)确保(bao)(bao)注(zhu)浆(jiang)(jiang)材料具(ju)有(you)一定(ding)(ding)(ding)的(de)(de)(de)(de)(de)稠度(du)，以(yi)保(bao)(bao)证注(zhu)入的(de)(de)(de)(de)(de)浆(jiang)(jiang)体(ti)不会(hui)渗漏(lou)到(dao)周边地层(ceng)当中(zhong)(zhong)去，这样才(cai)能形(xing)成优良(liang)的(de)(de)(de)(de)(de)减(jian)(jian)(jian)阻润滑膜(mo)；3、在实际的(de)(de)(de)(de)(de)管(guan)道顶(ding)进(jin)施(shi)工过(guo)程(cheng)(cheng)(cheng)中(zhong)(zhong)，因(yin)为(wei)会(hui)存(cun)在泥浆(jiang)(jiang)渗流现(xian)象(xiang)，触变泥浆(jiang)(jiang)总量会(hui)有(you)一定(ding)(ding)(ding)程(cheng)(cheng)(cheng)度(du)的(de)(de)(de)(de)(de)损(sun)失。如果出(chu)现(xian)遗漏(lou)量过(guo)多的(de)(de)(de)(de)(de)情(qing)况，就需(xu)要(yao)(yao)立(li)即补浆(jiang)(jiang)。也(ye)唯有(you)在渗流作用达(da)到(dao)稳定(ding)(ding)(ding)状态后，管(guan)道周围(wei)方可(ke)建立(li)起(qi)稳定(ding)(ding)(ding)而(er)连续的(de)(de)(de)(de)(de)泥浆(jiang)(jiang)套。机械作业要(yao)(yao)严(yan)格按文明(ming)施(shi)工的(de)(de)(de)(de)(de)有(you)关(guan)规(gui)定(ding)(ding)(ding)进(jin)行(xing)(xing)，严(yan)禁扰民影响市容的(de)(de)(de)(de)(de)现(xian)象(xiang)出(chu)现(xian)。思明(ming)区DN1000钢(gang)管(guan)顶(ding)管(guan)施(shi)工每米价格

供(gong)货方交付材(cai)料之后的服务和(he)支(zhi)持能(neng)力。湖里区DN2400非开挖(wa)顶管施工(gong)费用(yong)

施工(gong)(gong)(gong)(gong)测(ce)(ce)量(liang)(liang)(liang)1、测(ce)(ce)量(liang)(liang)(liang)准备工(gong)(gong)(gong)(gong)作(zuo)（1）进(jin)场(chang)后(hou)对甲方提(ti)供的(de)(de)(de)测(ce)(ce)量(liang)(liang)(liang)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)点、水准点和(he)标高(gao)进(jin)行(xing)现场(chang)复(fu)测(ce)(ce)，填妥(tuo)《测(ce)(ce)量(liang)(liang)(liang)复(fu)核(he)记录》并签字备案。（2）测(ce)(ce)量(liang)(liang)(liang)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)网的(de)(de)(de)布(bu)设(she)：根据甲方所(suo)提(ti)供的(de)(de)(de)测(ce)(ce)量(liang)(liang)(liang)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)点及国家的(de)(de)(de)有(you)关(guan)规范(fan)和(he)有(you)关(guan)设(she)计、施工(gong)(gong)(gong)(gong)规范(fan)的(de)(de)(de)要(yao)求(qiu)进(jin)行(xing)，以测(ce)(ce)量(liang)(liang)(liang)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)网作(zuo)为该工(gong)(gong)(gong)(gong)程的(de)(de)(de)平面(mian)、高(gao)程控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)和(he)施工(gong)(gong)(gong)(gong)测(ce)(ce)量(liang)(liang)(liang)放样的(de)(de)(de)首级控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)及依据。（3）各种测(ce)(ce)量(liang)(liang)(liang)仪器、工(gong)(gong)(gong)(gong)具均应按有(you)关(guan)的(de)(de)(de)质量(liang)(liang)(liang)管(guan)理规定，在使(shi)用(yong)前送(song)有(you)关(guan)部(bu)门进(jin)行(xing)检测(ce)(ce)，取(qu)得有(you)关(guan)持检部(bu)门的(de)(de)(de)合格(ge)证(zheng)书(shu)后(hou)才能(neng)使(shi)用(yong)。使(shi)用(yong)过程中(zhong)有(you)关(guan)人员(yuan)应经(jing)常对所(suo)用(yong)的(de)(de)(de)仪器、工(gong)(gong)(gong)(gong)具进(jin)行(xing)自检、自校使(shi)之(zhi)保持在良(liang)好(hao)的(de)(de)(de)状态(tai)中(zhong)。湖(hu)里区(qu)DN2400非(fei)开挖(wa)顶(ding)管(guan)施工(gong)(gong)(gong)(gong)费(fei)用(yong)

行(xing)路致远(yuan)，砥砺前行(xing)。厦门常(chang)达(da)管(guan)业(ye)有限公司(si)致力成为与您(nin)共赢、共生、共同前行(xing)的(de)战略伙伴，更(geng)矢志(zhi)成为建筑(zhu)、建材富有影(ying)响力的(de)企(qi)业(ye)，与您(nin)一起飞跃，共同成功！

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