Experimental and Finite Element Study on 7A04 Aluminum Alloy Tube Confined High Strength Concrete Long Column

Table 8

Comparison of eccentric compression calculation bearing capacity reduction coefficient with test and formula calculation values.

Serial number	L/D	Eccentricity	(MPa)	(MPa)			/
1	10	0.3	45.41	400	0.595	0.597	0.996
2	10	0.6	45.41	400	0.394	0.391	1.007
3	10	0.9	40.13	400	0.281	0.283	0.992
4	13	0.3	45.41	400	0.565	0.597	0.946
5	13	0.6	45.41	400	0.373	0.391	0.953
6	13	0.9	40.13	400	0.273	0.283	0.964
7	16	0.3	45.41	400	0.556	0.597	0.931
8	16	0.6	45.41	400	0.338	0.391	0.8644
9	16	0.9	40.13	400	0.263	0.283	0.929
Mean value							0.954
Standard deviation							0.041
Coefficient of variation							0.043

is the bearing capacity reduction factor obtained from the test, and is the reduction coefficient of bearing capacity calculated by the formula.