Compression Performance and Calculation Method of Thin-Walled Prefabricated Steel Tube Lightweight Concrete Columns

Table 7

Comparison of calculated and test values.

Specimen no.	ξ	kc	Nu	N	N/Nu
Z120-2.2-20	3.47	1.41	411.67	392.67	0.95
Z120-2.2-25	2.80	1.74	437.84	453.83	1.04
Z120-2.2-30	2.33	1.83	463.56	499.17	1.08
Z120-3.0-20	4.26	2.10	474.17	503.50	1.06
Z120-3.0-25	3.43	1.80	499.33	514.81	1.03
Z120-3.0-30	2.86	1.86	524.00	556.67	1.06
Z200-2.2-20	1.90	2.29	691.32	819.00	1.18
Z200-2.2-25	1.54	1.91	737.19	838.83	1.14
Z200-2.2-30	1.28	1.64	803.42	855.01	1.06
Z200-3.0-20	2.60	1.83	805.88	843.33	1.05
Z200-3.0-25	2.10	1.76	870.67	916.00	1.05
Z200-3.0-30	1.74	1.54	934.55	936.67	1.00