CB Section Master

SCI P355 · 68 sections

Beta

F1 · Floor BeamH100x50x9.30

CB Section FormulasF1 Floor

hs=(h₂ − a₀) / 2

hw=max(0, hs − t_f)

A_tee=b·t_f + hw·t_w

ȳ=(A_f·y_f + A_w·y_w) / A_tee

I_x=2·(I_f + I_w + A_tee·d²)[mm⁴]

Z_x=2·A_tee·d[mm³]

S_x=I_x / (h₂/2)[mm³]

I_y=(2·t_f·b³)/12 + (2·t_w³·hw)/12[mm⁴]

Preset Database / Computed• I-beam tee-section method per BS EN 1993

Cross Section

Elevation · F1 Floor Beam · H_cb=139mm · a₀=100mm · S=150mm

F1 · Floor BeamF1 · Floor Beam — a₀ = 1.0×H · S = 1.5×a₀ · hs = (H_cb−a₀)/268 sections

Section	H-Beam (Parent)				CB Geometry			CB Section Properties					DB
Section	H mm	B mm	tw mm	tf mm	H_cb mm	a₀ mm	S mm	I_x cm⁴	I_y cm⁴	Z_x cm³	S_x cm³	S_y cm³	DB
H100x50x9.30	100	50	5	7	139	100	150	344.9	14.61	53.2	49.6	5.84
H100x100x17.2	100	100	6	8	139	100	150	730.3	133.37	112.5	105.1	26.67
H125x125x23.8	125	125	6.5	9	175	125	188	1655.4	293.04	201.4	189.2	46.89
H150x75x14.0	150	75	5	7	210	150	225	1255.3	49.27	126.5	119.5	13.14
H150x100x21.1	148	100	6	9	207	148	222	1940.9	150.07	198.9	187.5	30.01
H150x150x31.5	150	150	7	10	210	150	225	3205.7	562.61	323.8	305.3	75.02
H175x90x18.1	175	90	5	8	246	175	263	2323.6	97.26	199.2	188.9	21.61
H175x175x40.2	175	175	7.5	11	246	175	263	5686.8	982.72	489.0	462.3	112.31
H200x100x18.2	198	99	4.5	7	278	198	297	2944.2	113.25	222.1	211.8	22.88
H200x100x21.3	200	100	5.5	8	281	200	300	3468.3	133.42	260.0	246.9	26.68
H200x150x30.6	194	150	6	9	272	194	291	5125.0	506.36	395.4	376.8	67.51
H200x200x49.9	200	200	8	12	281	200	300	9287.4	1600.24	697.7	661.0	160.02
H200x200x56.2	200	204	12	12	281	200	300	9760.3	1698.75	736.7	694.7	166.54
H200x200x65.7	208	202	10	16	292	208	312	13038.6	2198.41	952.9	893.1	217.66
H250x125x25.7	248	124	5	8	349	248	372	6671.6	254.31	400.0	382.3	41.02
H250x125x29.6	250	125	6	9	352	250	375	7701.0	293.12	459.5	437.6	46.90
H250x175x44.1	244	175	7	11	343	244	366	11695.0	982.77	715.2	681.9	112.32
H250x250x64.4	244	252	11	11	343	244	366	16983.0	2934.74	1039.9	990.3	232.92
H250x250x72.4	250	250	9	14	352	250	375	21383.2	3646.28	1278.6	1215.0	291.70
H250x250x82.2	250	255	14	14	350	250	375	22235.7	3870.63	1343.7	1270.6	303.58
H300x150x32.0	298	149	5.5	8	420	298	447	11927.3	441.21	593.4	568.0	59.22
H300x150x36.7	300	150	6.5	9	423	300	450	13706.9	506.49	679.2	648.1	67.53
H300x200x56.8	294	200	8	12	414	294	441	21658.7	1600.41	1096.1	1046.3	160.04
H300x200x65.4	298	201	9	14	420	298	447	25734.6	1895.38	1288.4	1225.5	188.59
H300x300x84.5	294	302	12	12	414	294	441	32682.0	5510.10	1653.8	1578.8	364.91
H300x300x94.0	300	300	10	15	423	300	450	40279.5	6750.77	1997.1	1904.5	450.05
H300x300x106.0	300	305	15	15	420	300	450	41577.8	7095.69	2085.8	1979.9	465.29
H350x175x41.4	346	174	6	9	488	346	519	21087.4	790.43	901.9	864.2	90.85
H350x175x49.6	350	175	7	11	494	350	525	26090.9	982.90	1105.3	1056.3	112.33
H350x175x57.8	354	176	8	13	495	355	530	30479.2	1181.70	1290.7	1231.5	134.28
H350x250x69.2	336	249	8	12	474	336	504	35441.8	3088.14	1559.7	1495.4	248.04
H350x250x79.7	340	250	9	14	480	340	510	41991.8	3646.51	1830.6	1749.7	291.72
H350x350x106.0	338	351	13	13	475	340	510	54258.4	9371.43	2387.6	2284.6	533.98
H350x350x115.0	344	348	10	16	480	345	520	64033.1	11239.31	2787.7	2668.0	645.94
H350x350x137.0	350	350	12	19	490	350	525	78749.2	13578.55	3377.6	3214.3	775.92
H400x200x56.6	396	199	7	11	559	396	594	38283.4	1445.18	1429.8	1369.7	145.24
H400x200x66.0	400	200	8	13	565	400	600	45791.6	1733.93	1696.2	1620.9	173.39
H400x200x75.5	404	201	9	15	565	405	610	52115.7	2030.94	1933.2	1844.8	202.08
H400x300x94.3	386	299	9	14	545	386	579	65078.8	6238.01	2488.9	2388.2	417.26
H400x300x107.0	390	300	10	16	551	390	585	75421.1	7201.07	2861.2	2737.6	480.07
H400x400x140.0	388	402	15	15	545	390	585	94372.9	16244.72	3620.1	3463.2	808.19
H400x400x172.0	400	400	13	21	565	400	600	132919.2	22402.25	4938.6	4705.1	1120.11
H400x400x197.0	400	408	21	21	560	400	600	137645.7	23780.17	5186.9	4915.9	1165.69
H450x200x66.2	446	199	8	12	630	446	669	54529.4	1576.80	1812.4	1731.1	158.47
H450x200x76.0	450	200	9	14	636	450	675	64195.2	1867.63	2117.7	2018.7	186.76
H450x200x88.9	456	201	10	17	640	455	680	77024.0	2302.10	2529.3	2407.0	229.06
H450x300x106.0	434	299	10	15	613	434	651	89910.2	6683.97	3060.9	2933.5	447.09
H450x300x124.0	440	300	11	18	622	440	660	109167.0	8101.62	3673.5	3510.2	540.11
H500x200x79.5	496	199	9	14	701	496	744	79464.2	1839.88	2379.5	2267.2	184.91
H500x200x89.6	500	200	10	16	707	500	750	91622.9	2134.79	2725.3	2591.9	213.48
H500x200x103.0	506	201	11	19	716	506	759	109481.8	2573.43	3221.9	3058.1	256.06
H500x300x114.0	482	300	11	15	681	482	723	114842.5	6751.87	3523.6	3372.8	450.12
H500x300x128.0	488	300	11	18	690	488	732	136945.4	8101.84	4150.1	3969.4	540.12
H500x300x150.0	494	302	13	21	690	495	740	158306.0	9643.06	4811.2	4588.6	638.61
H600x200x94.6	596	199	10	15	854	596	894	134052.0	1972.05	3313.8	3139.4	198.20
H600x200x106.0	600	200	11	17	849	600	900	147517.6	2269.05	3665.4	3475.1	226.91
H600x200x120.0	606	201	12	20	858	606	909	173657.7	2709.92	4274.4	4048.0	269.64
H600x200x134.0	612	202	13	23	866	612	918	200024.0	3163.40	4884.6	4619.5	313.21
H600x300x137.0	582	300	12	17	823	582	873	195084.9	7652.98	4962.0	4740.8	510.20
H600x300x151.0	588	300	12	20	832	588	882	227192.8	9002.94	5716.6	5461.4	600.20
H600x300x175.0	594	302	14	23	840	594	891	265828.0	10562.96	6646.5	6329.2	699.53
H700x300x166.0	692	300	13	20	980	692	1038	330601.1	9004.54	7075.4	6747.0	600.30
H700x300x185.0	700	300	13	24	991	700	1050	390387.0	10804.45	8260.0	7878.6	720.30
H800x300x191.0	792	300	14	22	1122	792	1188	487545.5	9906.54	9131.9	8690.7	660.44
H800x300x210.0	800	300	14	26	1133	800	1200	565654.7	11706.43	10484.6	9985.1	780.43
H900x300x213.0	890	299	15	23	1261	890	1335	663140.8	10255.99	11079.2	10517.7	686.02
H900x300x243.0	900	300	16	28	1275	900	1350	797531.7	12610.89	13178.6	12510.3	840.73
H900x300x286.0	912	302	18	34	1292	912	1368	973968.7	15623.21	15916.1	15076.9	1034.65