In view of deficiencies of the locale bolt-grouting body pullout force test method

by using pressure sensors

displacement sensors

data collection boxes and other electronic components

a new test system is set up. The test system uses data collection box to transform the current signal reflecting the pressure and deformation collected by sensors into digital signal firstly. Then

with corresponding procedures

the data can be dropped chirp and protract test curve at the same time. The test systems implement the data collection and map automatically in the test process

which can help testing persons to predict later situation of the bolt-grouting body

avoiding its tension damage. Taking the distributed stress anchor cable testing condition in Hui-Guan Expressway ZK26+231~ ZK26+520 for example to certificate the utility and reliability of the system.