3、 向鉆孔內(nei)下(xia)(xia)(xia)放(fang)(fang)鋼(gang)(gang)筋(jin)(jin)(jin)籠(long)(long)(long)的(de)聲(sheng)測(ce)(ce)管(guan)的(de)安裝方法:首(shou)節鋼(gang)(gang)筋(jin)(jin)(jin)籠(long)(long)(long)下(xia)(xia)(xia)入(ru)鉆孔后,應(ying)把(ba)(ba)聲(sheng)測(ce)(ce)管(guan)內(nei)加滿(man)清(qing)水(shui).然(ran)后焊接第(di)二節鋼(gang)(gang)筋(jin)(jin)(jin)籠(long)(long)(long).焊接完畢,把(ba)(ba)上面(mian)的(de)聲(sheng)測(ce)(ce)管(guan)用手托起插(cha)入(ru)下(xia)(xia)(xia)面(mian)聲(sheng)測(ce)(ce)管(guan)的(de)承口端(duan),用螺旋緊固(gu)即(ji)可.然(ran)后下(xia)(xia)(xia)放(fang)(fang)鋼(gang)(gang)筋(jin)(jin)(jin)籠(long)(long)(long)每到(dao)兩米(mi)時需用鐵(tie)絲把(ba)(ba)聲(sheng)測(ce)(ce)管(guan)綁扎在鋼(gang)(gang)筋(jin)(jin)(jin)籠(long)(long)(long)主筋(jin)(jin)(jin)上,第(di)二節鋼(gang)(gang)筋(jin)(jin)(jin)籠(long)(long)(long)下(xia)(xia)(xia)放(fang)(fang)完把(ba)(ba)聲(sheng)測(ce)(ce)管(guan)內(nei)加滿(man)清(qing)水(shui).等頂(ding)節鋼(gang)(gang)筋(jin)(jin)(jin)籠(long)(long)(long)下(xia)(xia)(xia)放(fang)(fang)完后,一定把(ba)(ba)管(guan)內(nei)加滿(man)清(qing)水(shui),后用管(guan)帽(蓋子)蓋好(hao).