A state-of-the-art review of prestressed concrete tub girders for bridge structures

Journal of Infrastructure Preservation and Resilience

Table 1 Properties of tub girders

State/agency	ID	Depth (mm)	Area (x10³mm²)	Inertia (m⁴)	y_t (mm)	y_b (mm)	S_t (x10⁶mm³)	S_b (mm³)	R (mm)
CA	UB 1400	1,397	864	21	787	610	243	313	18.54
	UB 1550	1,549	926	28	864	685	290	368	20.52
	UB 1700	1,702	988	36	940	762	340	426	22.47
	UB 1850	1,854	1,050	45	1,016	838	394	488	24.40
	UB 2000	2,007	1,112	55	1,092	915	451	552	26.31
	UB 2150	2,159	1,174	67	1,168	991	511	620	28.20
CO	U48	1,219	903	19	610	609	278	281	17.11
	U60	1,524	1,022	34	762	762	394	399	21.41
	U72	1,829	1,142	53	914	915	524	530	25.58
	U84	2,134	1,261	79	1,067	1,067	666	674	29.63
FL	FU48	1,219	778	15	737	482	185	270	16.32
	FU54	1,372	823	20	813	559	225	327	18.56
	FU63	1,600	888	30	940	660	291	417	21.88
	FU72	1,829	954	43	1,067	762	364	512	25.13
PCI	PCI72_9	1,829	1,311	57	1,016	813	510	634	24.73
	PCI84_9	2,134	1,458	86	1,168	966	661	807	28.71
	PCI96_9	2,438	1,601	122	1,321	1,117	827	994	32.65
	PCI72_10	1,829	1,410	61	1,016	813	544	662	24.51
	PCI84_10	2,134	1,569	91	1,168	966	707	845	28.48
	PCI96_10	2,438	1,729	130	1,321	1,117	886	1,044	32.36
TX	U 40	1,016	632	8	610	406	127	184	13.67
	U 54	1,372	723	19	813	559	209	295	18.97
	U72_9	1,829	1,314	57	1,016	813	510	634	24.70
	U84_9	2,134	1,458	86	1,168	966	661	807	28.71
	U96_9	2,438	1,601	122	1,321	1,117	827	994	32.65
	U72_10	1,829	1,410	61	1,016	813	544	662	24.51
	U84_10	2,134	1,569	91	1,168	966	707	845	28.48
	U96_10	2,438	1,729	130	1,321	1,117	886	1,044	32.36
WA	U54_4	1,372	670	14	838	534	145	229	16.78
	U66_4	1,676	780	24	1,016	660	214	320	20.68
	U78_4	1,981	889	38	1,168	813	295	423	24.50
	U54_5	1,372	717	15	889	483	149	264	16.82
	U66_5	1,676	826	26	1,041	635	222	361	20.80
	U78_5	1,981	935	41	1,194	787	306	474	24.71

CA California, CO Colorado, FL Florida, PCI Prestressed Concrete Institute, TX Texas, WA Washington
y_t and y_b = distances from neutral axis of girder to top and bottom, respectively; S_t and S_b = section moduli for top and bottom components, respectively; r = radius of gyration