Study on Dynamic Performance of Standard Sand Based on KTL Dynamic Triaxial Apparatus

Table 1

Technical index of the dynamic triaxial instrument.

Technical index	Index range and accuracy
Axial force	60 kN, ≤0.01%
Axial displacement	100 mm, ≤0.07%
Volume pressure controller	2 MPa, ≤0.15%
Pore pressure sensor	2 MPa, ≤1.5%
Chamber pressure	2 MPa, ≤0.1%
Working frequency	1−5 Hz