Examination of Strength Modeling Reliability of Physical Tests on Structural Concrete Columns

Table 4

Strength ratio statistics for composite columns.

Reference	ℓ/ℎ	𝑒/ℎ	𝜌^′′ (%)	𝑛	Strength ratio statisticsa
					FEM	CSA
Stevens [38]	7.0–18.2	0.12–0.58	0.00–0.28	6	1.08 (0.12)	1.13 (0.12)
Procter [34]	2.0–12.0	0.00–0.80	0.00	16	0.98 (0.11)	0.99 (0.10)
Anslijn and Janss [32]	5.0–17.5	0.00–0.19	0.19–0.21	39	0.75 (0.13)	1.13 (0.27)
Roderick and Loke [35]	12.0–17.1	0.00–0.21	0.00	15	0.89 (0.07)	1.12 (0.27)
Morino et al. [33]	5.8–28.9	0.25–0.47	0.25	16	0.98 (0.09)	1.04 (0.10)
Suzuki et al. [39]	2.9–3.8	0.00–1.06b	0.07–2.91	34	1.01 (0.09)	1.13 (0.11)
Roik and Mangerig [36]	10.0–26.7	0.10–0.50	0.29	9	1.14 (0.07)	1.35 (0.20)
Roik and Schwalbenhofer [37]	12.4–12.6	0.00–0.71	0.28	15	0.83 (0.10)	1.00 (0.19)
All studies combined	2.0–28.9	0.00–1.06b	0.00–2.91	150	0.92 (0.17)	1.10 (0.21)
All studies other than Anslijn and Janss	2.0–28.9	0.00–1.06b	0.00–2.91	111	0.98 (0.13)	1.09 (0.18)

aThe statistics shown are the average values (and coefficients of variation in parentheses) of the ratios of tested to computed strengths. The computed strengths are those from FEM and CSA.
bSixteen specimens were tested in pure bending (𝑒/ℎ=∞).