Collapse Behaviour of a Concrete-Filled Steel Tubular Column Steel Beam Frame under Impact Loading

Table 3

Summary of data analysis on transverse impact tests.

No.	Impact velocity (km/h)	Impact mass (t)	Impact position (m)	η
c1	40	1.5	0.7	1.23
c2	40	4.5	1.2	1.37
c3	40	7.5	1.5	1.62
c4	40	12	1.8	1.73
c5	40	20	2.5	1.80
c6	60	1.5	1.2	1.74
c7	60	4.5	1.5	1.90
c8	60	7.5	1.8	2.05
c9	60	12	2.5	1.96
c10	60	20	0.7	1.92
c11	80	1.5	1.5	2.01
c12	80	4.5	1.8	1.89
c13	80	7.5	2.5	2.01
c14	80	12	0.7	1.93
c15	80	20	1.2	2.12
c16	100	1.5	1.8	1.97
c17	100	4.5	2.5	2.02
c18	100	7.5	0.7	1.94
c19	100	12	1.2	1.93
c20	100	20	1.5	2.04
c21	120	1.5	2.5	2.02
c22	120	4.5	0.7	1.92
c23	120	7.5	1.2	1.89
c24	120	12	1.5	2.06
c25	120	20	1.8	2.11
k1	1.550	1.794	1.788	—
k2	1.914	1.820	1.810	—
k3	1.992	1.902	1.926	—
k4	1.980	1.922	1.950	—
k5	2.000	1.998	1.962	—
R	0.45	0.204	0.174