声测管埋设深度应与灌注粧的底部齐平，一般在钢筋笼钢筋末 端以上5cm?15cm，管的上端应高于粧顶表面300mm?500mm，同 一根粧的声测管外露高度宜相同
    钢筋笼放入粧孔时应防止扭曲，薄壁管一般随钢筋笼分段安 装，声测管的底部密封应不漏浆，采用薄壁声测管作为灌衆通道，在 进行超声波检测时管路应通畅。声测管安装完毕后应将上口封锁，以 免灌溉混凝土时落人异物，致使孔道堵塞。
    声测管两端应封口处理，插入端标志线清楚；钳压式接口的承插口 端U形槽内应有O形橡胶圈；底管焊有铁盖。
    声测管间应平行不弯斜，管内应畅通无异物。
    声测管不答应有裂痕、结疤、折叠、分层、搭焊缺陷存在。允 许有不大于壁厚负偏差的划道、刮伤、焊缝错位、烧伤、薄的氧化铁 皮以及打磨与清除外毛剌的痕迹存在，内毛剌不大于mm,
    声测管两端截面应与其轴线垂直，并应无毛剌。
    声测管的椭圆度应不大于外径答应公差的50%。
    声测管应为实用性笔挺，弯曲度不大于1.5mm/m。

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The buried depth of the acoustic measurement should be flush with the bottom of the perfusion are loosened, generally at the end of the reinforcement cage end more than 5 cm? 15 cm, with the top of the tube should be higher than the dowry top surface is 300 mm? 500 mm, with a dowry of acoustic detection tube exposed height should be the same
Reinforcing cage should be put into the water hole to prevent distortion, common thin wall pipe with reinforcing cage segmentation, acoustic detecting tube at the bottom of the seal should not leak slurry, using sound thin-walled tube as to fill the channel, in the ultrasonic testing line should be unobstructed. Acoustic detecting tube after the installation should be easy to block, to avoid irrigation concrete fell into foreign body, when the channel congestion.
Sound should be dealt with sealing on both ends of the tube, insert the mark line clear; The socket end of the clamp pressure type interface u-shaped slot due O shaped rubber ring; The bottom pipe welding with iron cover.
Should parallel not bending Angle between acoustic detecting tube, the tube should be smooth without foreign body.
Acoustic detecting tube do not allow to have crack, scarring, folding, layered, lap welding defects exist. Allowed to have no negative deviation is greater than the wall thickness of cross dislocation, scratch, weld thin iron oxide skin, burns, and traces of grinding and remove burr, burr is not greater than in mm,
Acoustic measurement on both ends of the pipe cross section should be instead of vertical axis, and should be no burr.
Sound the ovality shall be no greater than outer diameter of the tube to 50% of the tolerance.
Acoustic detecting tube should be practical and bending is not greater than 1.5 mm/m.