超聲波檢測(ce)管測(ce)試要點
超(chao)聲波檢(jian)(jian)(jian)測(ce)(ce)(ce)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)檢(jian)(jian)(jian)測(ce)(ce)(ce)要點(dian)： 1.預埋檢(jian)(jian)(jian)測(ce)(ce)(ce)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)： （1）雙管(guan)(guan)(guan)(guan)(guan)(guan)(guan)埋入，樁(zhuang)(zhuang)徑(jing)0.6-0.8m； 三根管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道應(ying)(ying)(ying)(ying)埋入，樁(zhuang)(zhuang)徑(jing)為0.8-2.0m。 四根管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道應(ying)(ying)(ying)(ying)埋入，樁(zhuang)(zhuang)直徑(jing)應(ying)(ying)(ying)(ying)大于(yu)2.0m。 （2）用(yong)于(yu)聲波檢(jian)(jian)(jian)測(ce)(ce)(ce)的(de)聲波測(ce)(ce)(ce)量管(guan)(guan)(guan)(guan)(guan)(guan)(guan)應(ying)(ying)(ying)(ying)由鋼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)制成，其(qi)內徑(jing)應(ying)(ying)(ying)(ying)為50-60mm。 超(chao)聲波檢(jian)(jian)(jian)測(ce)(ce)(ce)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)連接應(ying)(ying)(ying)(ying)平穩(wen)過渡，噴(pen)嘴應(ying)(ying)(ying)(ying)比樁(zhuang)(zhuang)頂(ding)高(gao)(gao)100mm，每個檢(jian)(jian)(jian)測(ce)(ce)(ce)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)噴(pen)嘴高(gao)(gao)度應(ying)(ying)(ying)(ying)相同，超(chao)聲波檢(jian)(jian)(jian)測(ce)(ce)(ce)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)下端應(ying)(ying)(ying)(ying)封閉， 上端應(ying)(ying)(ying)(ying)...
