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非開挖頂管的優勢大家可以了解一下!

作者:admin 發布日期:2019/8/22 關注次數: 二維碼分享
       給大家接下來介紹到的是我們非開挖頂管的一個介紹,頂管是一種管道不開挖施工方法,它的優勢很明顯:

       1、不(bu)需要(yao)全(quan)線(xian)工(gong)(gong)程進(jin)行(xing)征(zheng)地(di),只需征(zheng)工(gong)(gong)作點的地(di)就行(xing),減少征(zheng)地(di)工(gong)(gong)作量,可以提前(qian)開工(gong)(gong),增加(jia)對(dui)施工(gong)(gong)進(jin)度(du)控制;

       2、不影相交(jiao)通(tong),廣州(zhou)交(jiao)通(tong)繁重城市,經常(chang)堵塞;

       3、地(di)面有眾多建筑物及地(di)下有眾多管線部位,只能采用頂管施工;

       4、采用頂管施工不會(hui)污染(ran)路面。


非開挖頂管


       頂管(guan)(guan)(guan)機械選(xuan)(xuan)型取決于(yu)地質(zhi)勘探和管(guan)(guan)(guan)徑(jing)。管(guan)(guan)(guan)徑(jing)有(you)800-5000mm鋼(gang)筋混凝土管(guan)(guan)(guan),玻璃纖(xian)維夾砂(sha)管(guan)(guan)(guan),鋼(gang)管(guan)(guan)(guan)之類(lei),根據管(guan)(guan)(guan)徑(jing)大小和材料不同(tong),選(xuan)(xuan)擇(ze)不同(tong)頂進機頭(tou)。由(you)于(yu)地質(zhi)強度(du)不同(tong),需選(xuan)(xuan)用不同(tong)的機頭(tou)。強度(du)大巖層,需選(xuan)(xuan)用具有(you)破巖機頭(tou);一般土質(zhi),可(ke)以選(xuan)(xuan)用泥水平衡頂管(guan)(guan)(guan)機械進行施(shi)工即(ji)可(ke)。頂管(guan)(guan)(guan)施(shi)工分(fen)為兩個方(fang)面:

       1、工(gong)作井及(ji)接受井施工(gong);

       2、頂(ding)(ding)管施工(gong)(gong)(gong)。工(gong)(gong)(gong)作井(jing)是頂(ding)(ding)管機械工(gong)(gong)(gong)作地方(fang),接受井(jing)是頂(ding)(ding)管施工(gong)(gong)(gong)完成一(yi)段距離(li)后(hou),出(chu)機頭(tou)的地方(fang)。工(gong)(gong)(gong)作井(jing)及頂(ding)(ding)管井(jing)的施工(gong)(gong)(gong)有(you)兩(liang)方(fang)法(fa)(fa):(1)沉(chen)井(jing);(2)逆做(zuo)(zuo)(zuo)法(fa)(fa)。沉(chen)井(jing),先(xian)(xian)施工(gong)(gong)(gong)井(jing)壁(bi)(bi),后(hou)先(xian)(xian)沉(chen),到設計(ji)標(biao)高,進行(xing)封底(di)(di);逆做(zuo)(zuo)(zuo)法(fa)(fa):先(xian)(xian)開挖一(yi)段深(shen)(shen)入(ru),后(hou)做(zuo)(zuo)(zuo)井(jing)壁(bi)(bi),再(zai)開挖一(yi)段深(shen)(shen)入(ru),后(hou)做(zuo)(zuo)(zuo)井(jing)壁(bi)(bi),施工(gong)(gong)(gong)到設計(ji)標(biao)高進行(xing)封底(di)(di)。兩(liang)種方(fang)法(fa)(fa)各有(you)優點,也有(you)工(gong)(gong)(gong)程交叉采用施工(gong)(gong)(gong)方(fang)法(fa)(fa)。

       大家有(you)需要做(zuo)非(fei)開挖頂管(guan)的可以來電咨(zi)詢我們呼和浩(hao)特(te)市鼎順機械化定向頂管(guan)有(you)限公(gong)司哦!


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