長春檢查井針(zhen)對施(shi)工(gong)(gong)下(xia)管(guan)(guan)(guan)方式(shi)的(de)(de)(de)介紹，檢(jian)查井安(an)(an)裝(zhuang)施(shi)工(gong)(gong)的(de)(de)(de)下(xia)管(guan)(guan)(guan)方式(shi)的(de)(de)(de)選擇，檢(jian)查井安(an)(an)裝(zhuang)施(shi)工(gong)(gong)，到目前為止，我(wo)們采用(yong)的(de)(de)(de)比較多的(de)(de)(de)下(xia)管(guan)(guan)(guan)方式(shi)還人工(gong)(gong)下(xia)管(guan)(guan)(guan)。水泥檢(jian)查井人工(gong)(gong)下(xia)管(guan)(guan)(guan)時，將繩(sheng)索的(de)(de)(de)一端拴固在(zai)地(di)(di)錨(或其它牢固的(de)(de)(de)樹木(mu)或建筑(zhu)物上)，拉住(zhu)繞過水泥管(guan)(guan)(guan)的(de)(de)(de)另一端，并在(zai)溝邊斜放(fang)滑(hua)木(mu)至溝底，用(yong)撬棍將水泥管(guan)(guan)(guan)移至溝邊，再慢慢地(di)(di)放(fang)繩(sheng)，使管(guan)(guan)(guan)沿著(zhu)滑(hua)木(mu)滾下(xia)。
將長春水泥(ni)管(guan)(guan)(guan)(guan)從地面放入溝(gou)(gou)槽(cao)內，下(xia)管(guan)(guan)(guan)(guan)的方法(fa)分(fen)為人工下(xia)管(guan)(guan)(guan)(guan)及(ji)機械(xie)下(xia)管(guan)(guan)(guan)(guan)、集中下(xia)管(guan)(guan)(guan)(guan)和分(fen)散下(xia)管(guan)(guan)(guan)(guan)、單節(jie)下(xia)管(guan)(guan)(guan)(guan)和組合下(xia)管(guan)(guan)(guan)(guan)等(deng)幾種(zhong)。下(xia)管(guan)(guan)(guan)(guan)方法(fa)的選擇(ze)可(ke)根據水泥(ni)管(guan)(guan)(guan)(guan)口(kou)徑的大小、管(guan)(guan)(guan)(guan)道(dao)長度(du)和重量、管(guan)(guan)(guan)(guan)材和接口(kou)強度(du)，溝(gou)(gou)槽(cao)和現場情況及(ji)擁有的機械(xie)設備等(deng)條(tiao)件而定(ding)。當管(guan)(guan)(guan)(guan)徑較小、重量料輕時，一般采用人工下(xia)管(guan)(guan)(guan)(guan)。
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