Research Article

Code Compliance in Reinforce Concrete Design: A Comparative Study of USA Code (ACI) and Chinese Code (GB)

Table 6

Comparison of structural vibration mode periods calculated by PKPM and ETABS.

Vibration typePKPMETABS

T1 (X-direction)0.7850 s0.737 s
T2 (Y-direction)0.7800 s0.694 s
T3 (rotation)0.7038 s0.644 s