長春水泥管施(shi)工(gong)(gong)(gong)的(de)(de)(de)(de)(de)三種方(fang)法(fa)(fa)(fa),明(ming)挖法(fa)(fa)(fa),也叫開槽(cao)施(shi)工(gong)(gong)(gong)法(fa)(fa)(fa)。施(shi)工(gong)(gong)(gong)時按測量定線開挖溝槽(cao)。一(yi)般(ban)中小型(xing)(xing)直徑(jing)的(de)(de)(de)(de)(de)平口水(shui)泥(ni)管(guan)(guan)道采(cai)用鋼(gang)筋混凝土管(guan)(guan),大中型(xing)(xing)直徑(jing)。頂管(guan)(guan)法(fa)(fa)(fa)。在檢查(cha)井(jing)位置開挖工(gong)(gong)(gong)作(zuo)坑,面(mian)向施(shi)丁管(guan)(guan)段(duan)的(de)(de)(de)(de)(de)坑留用枕木和鋼(gang)板構(gou)成(cheng)堅固的(de)(de)(de)(de)(de)后背,其他面(mian)的(de)(de)(de)(de)(de)坑壁(bi)作(zuo)一(yi)般(ban)支撐。較(jiao)的(de)(de)(de)(de)(de)頂管(guan)(guan)工(gong)(gong)(gong)作(zuo)坑,可以采(cai)用連(lian)續壁(bi)或沉井(jing)法(fa)(fa)(fa)施(shi)工(gong)(gong)(gong)。盾構(gou)法(fa)(fa)(fa)。盾構(gou)是一(yi)個具有挖土機(ji)具和頂進(jin)(jin)設備的(de)(de)(de)(de)(de)大型(xing)(xing)工(gong)(gong)(gong)作(zuo)管(guan)(guan)。已(yi)襯砌好的(de)(de)(de)(de)(de)管(guan)(guan)段(duan)作(zuo)為后座(zuo)向前推進(jin)(jin),推進(jin)(jin)后留下(xia)的(de)(de)(de)(de)(de)空間(jian)再用砌襯砌壁(bi)面(mian),即構(gou)成(cheng)管(guan)(guan)身(shen)。目前國內大型(xing)(xing)排水(shui)管(guan)(guan)道已(yi)使(shi)用盾構(gou)法(fa)(fa)(fa)施(shi)工(gong)(gong)(gong)。
溫(wen)馨提(ti)示:在地(di)面(mian)鋪設(she)水(shui)泥管(guan)前(qian),專業(ye)人員(yuan)應檢查水(shui)泥管(guan)是(shi)否完好,有無裂縫,小裂縫可現場修補。若返廠水(shui)泥出現較大裂縫,應影響(xiang)施工安全。
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