A Comparative Study of Wind Tunnel Tests and Design Codes in Evaluation of Along-Wind Effects on Towers

Table 4

Base shear forces and moments at basic wind velocity of 40 m/s.

Parameter		Design code				Test-based
		KBC	ASCE	EURO	AIJ
10 min average wind velocity (m/s)	10 m	40.0	40.0	40.0	40.0	40.0
	120 m	64.1	52.0	59.2	57.9	58.1
Base shear force	MN	2.67	1.88	2.22	2.04	1.75
	Code/test	1.53	1.07	1.27	1.17	1.00
Base moment	MN-m	183.9	126.6	148.9	149.4	141.2
	Code/test	1.30	0.90	1.05	1.06	1.00