Review of Design Flexural Strengths of Steel–Concrete Composite Beams for Building Structures

International Journal of Concrete Structures and Materials

Table 6 Design results calculated from SCM: interior beams under positive bending.

f _ck (MPa)	F _yk (MPa)	KSSC–KCI				Eurocode 4				JSCE 2009
f _ck (MPa)	F _yk (MPa)	M ⁽¹⁾_k	M ⁽¹⁾_d	ϕ	μ _d	M ⁽¹⁾_k	M ⁽¹⁾_d	ϕ	μ _d	M ⁽¹⁾_k	M ⁽¹⁾_d	ϕ	μ _d
21	235	1282	1221	0.952	9.36	1282	1232	0.961	10.7	1461	1245	0.852	11.0
	315	1674	1534	0.916	5.73	1675	1544	0.921	6.17	1778	1504	0.845	6.70
	355	1841	1684	0.914	4.51	1847	1695	0.917	4.93	1916	1629	0.850	5.44
	450	2223	2008	0.903	2.99	2226	2023	0.908	3.30	2265	1920	0.847	3.58
	650	2914	2497	0.856	1.68	2915	2537	0.870	1.78	2874	2398	0.834	1.88
30	235	1310	1274	0.972	14.9	1311	1277	0.974	15.4	1575	1352	0.858	15.1
	315	1726	1655	0.958	8.30	1726	1667	0.965	8.76	1915	1652	0.862	8.80
	355	1928	1814	0.940	6.54	1928	1827	0.947	7.37	2085	1792	0.859	7.38
	450	2377	2189	0.920	4.51	2378	2204	0.926	4.81	2460	2107	0.856	4.82
	650	3194	2844	0.890	2.19	3200	2873	0.897	2.43	3195	2692	0.842	2.77

⁽¹⁾ M _k and M _d are the moment strengths for characteristic and design strengths of materials, respectively (Unit: kN m).