Sonic logging pipeis it's the�necessary�and�essential�part�of�modern�bridge�construction.Using�a�sonic�log�pipe�we�can�test�a�pile's�quality.It�will�enter�the�internal�body�of�the�pile�just�as�a�channel�when�the�cast-in-place�pile�has�an�ultrasonic�test.It's�an�important�part�of�cast-in-place�pile�ultrasonic�test�system. Diameter:od 38-114mm, thickness:1.0-3.5mm Length:5.8m-11.8m -
