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岩石顶管机施工前的勘察及使用注意事项

发(fa)布时间(jian):2020-10-14人气:

一、顶管施(shi)工前的场地(di)勘察(cha):

  任何工(gong)(gong)(gong)(gong)(gong)(gong)程在(zai)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)前(qian)岩石(shi)顶管机(ji)都必(bi)须进行施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)场(chang)(chang)(chang)地(di)(di)勘察(cha),充分了解工(gong)(gong)(gong)(gong)(gong)(gong)程地(di)(di)质和水(shui)(shui)文(wen)地(di)(di)质情(qing)况,泥(ni)水(shui)(shui)平衡顶管机(ji)以便进行工(gong)(gong)(gong)(gong)(gong)(gong)程施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)(de)合理设(she)(she)计(ji)和施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)设(she)(she)备的(de)(de)(de)(de)选择(ze)。对于非(fei)开挖(wa)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)之一的(de)(de)(de)(de)顶管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)法也(ye)不例外,施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)前(qian)的(de)(de)(de)(de)场(chang)(chang)(chang)地(di)(di)勘察(cha)具有非(fei)常(chang)重要的(de)(de)(de)(de)意义,它是工(gong)(gong)(gong)(gong)(gong)(gong)程施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)设(she)(she)计(ji)、确定施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)(gong)艺和选择(ze)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)设(she)(she)备的(de)(de)(de)(de)主要依(yi)据。顶管机(ji)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)前(qian)的(de)(de)(de)(de)勘察(cha)主要了解地(di)(di)层地(di)(di)质情(qing)况、施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)现(xian)场(chang)(chang)(chang)地(di)(di)形、地(di)(di)下(xia)水(shui)(shui)情(qing)况、地(di)(di)下(xia)管线(xian)的(de)(de)(de)(de)分布(bu)、可能出(chu)现(xian)的(de)(de)(de)(de)地(di)(di)下(xia)障碍物以及考虑在(zai)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)过程中对挖(wa)掘出(chu)的(de)(de)(de)(de)土渣堆放和清运等(deng)工(gong)(gong)(gong)(gong)(gong)(gong)作。

岩石顶管机

二、岩石顶管机(ji)使用注(zhu)意事项:

  1. 在应(ying)用岩石顶管机时(shi),施(shi)工人员要随时(shi)观察(cha)机器运转(zhuan)情况和顶管中是否遇到(dao)障(zhang)碍,如有(you)意(yi)外要即时(shi)酌(zhuo)情处理(li);

  2. 在顶管机(ji)施工过(guo)程(cheng)中,液压泵站一定要(yao)用(yong)高质液压油,并要(yao)保持绝(jue)对清(qing)洁;

  3. 油缸、活(huo)塞杆严禁磕碰(无(wu)论在工作中或摆(bai)放搬运中);

  4. 钻杆(gan)接头时一定要将螺纹旋(xuan)牢(lao),绝(jue)不能有丝毫松动;

  5. 施(shi)工完(wan)毕后要将顶管机各(ge)部擦试(shi)干(gan)净,导向(xiang)杆及(ji)钻杆螺旋部分要上好油,以备再用。

三(san)、顶管法原理(li):

  顶(ding)管法是借助顶(ding)推(tui)(tui)设(she)备(bei)将(jiang)工(gong)具(ju)管或掘进(jin)(jin)机(ji)(ji)从工(gong)作坑(keng)(始发井(jing))内(nei)穿(chuan)过(guo)土层一直推(tui)(tui)到接收坑(keng)(到达井(jing))内(nei),依靠安装在管道头(tou)部的钻掘系(xi)(xi)统(tong)不断地切削(xue)(xue)土屑,由(you)出土系(xi)(xi)统(tong)将(jiang)切削(xue)(xue)的土屑排出,边(bian)顶(ding)进(jin)(jin),边(bian)切削(xue)(xue),边(bian)输送,将(jiang)管道逐段(duan)向前铺设(she),与此(ci)同时,把紧随工(gong)具(ju)管或掘进(jin)(jin)机(ji)(ji)后的管道埋设(she)在两坑(keng)之间的一种非开挖施工(gong)技术。在顶(ding)进(jin)(jin)的过(guo)程中通过(guo)激光导(dao)向系(xi)(xi)统(tong)纠偏来调节铺管方向。

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