GBT 554-1996 Double Bollard

Standard: GBT554-1996.

Material: Welded Steel Plate or Steel Tube

Model Type: Marine Double Bollard;

Certificate: CCS, ABS, BV, DNV, LR, etc.

Type：A,B,C,D,E

Overview

Describe：

GBT 554-1996 refers to a Chinese national standard for marine double bollards. Bollards are sturdy, short, vertical posts typically used on docks and quays for mooring ships. Double bollards have two protruding arms or posts, providing more secure mooring options for larger vessels. This standard likely specifies dimensions, materials, and other technical requirements for the design and installation of marine double bollards in China.

Type：

GBT 554-1996 Double Bollard Type A

GBT 554-1996 Double BollardA.png

Specification of GBT 554-1996 Double Bollard Type A:

Nominal Dia. (mm)	Max. Breaking Load KN	D	D1	h1	h2	H	H1	≧t	≧t1	t2	A	B	≧h	l	L	R	≧t3	Ribs	Weight (kg)
100	29	114	145	40	6	196	150	10	6	7	250	165	50	70	445	15	6	6x40	19
125	39	140	180	50	6	246	190	10	6	8	315	195	60	100	540	15	6	6x50	29
160	49	168	210	60	6	316	250	10	6	9	400	225	70	145	670	20	6	6x60	45
200	78	219	270	70	8	378	300	10	8	9	500	290	85	160	860	25	8	8x70	80
250	118	273	335	80	8	470	380	11	10	9	630	360	100	215	1065	30	10	10x80	141
315	196	325	390	105	10	597	480	15	12	9	800	430	125	325	1300	35	12	12x105	264
355	255	351	420	120	10	663	530	170	13	12	890	480	145	360	1475	40	13	13x120	358
400	314	402	480	135	10	749	600	18	14	12	1000	550	160	400	1630	45	14	14x135	499
450	382	450	545	145	10	841	680	19	16	12	1130	620	170	450	1840	50	16	16x145	680
500	451	508	610	160	12	928	750	20	18	12	1250	690	190	500	2040	55	18	18x160	911
560	549	560	670	175	12	1025	830	22	20	12	1380	750	210	560	2240	60	20	20x175	1208
630	868	610	730	190	12	1152	940	24	22	12	1570	820	225	680	2510	70	22	22x190	1601
710	804	712	840	220	14	1294	1050	25	24	12	1750	960	260	710	2840	80	24	24x220	2252
800	981	813	940	255	14	1480	1200	26	25	12	2000	1100	295	810	3240	80	25	24x255	3071

GBT 554-1996 Double Bollard Type B

GBT 554-1996 Double Bollard Type B.png

Specification of GBT 554-1996 Double Bollard Type B:

Nominal Dia. (mm)	Max. Breaking Load KN	A	D	D1	h	≧t	≧t1	t2	H
Nominal Dia. (mm)	Max. Breaking Load KN	A	D	D1	h	≧t	≧t1	t2	Deck without Plywood	Deck with Plywood
160	49	400	168	210	8	10	6	9	250	310
200	78	500	219	270	8	10	8	9	300	360
250	118	630	273	335	8	11	10	9	380	440
315	196	800	325	390	10	15	12	9	480	540
355	255	890	351	420	10	17	13	12	530	590
400	314	1000	402	480	10	18	14	12	600	660
450	382	1130	450	545	10	19	16	12	680	740
500	451	1250	500	600	12	20	18	12	750	810

GBT 554-1996 Double Bollard Type C

GBT 554-1996 Double Bollard Type C.png

Specification of GBT 554-1996 Double Bollard Type C:

Nominal Dia. (mm)	Max. Breaking Load KN	A	b	B	D	D1	h	h1	H	L	r	t	Weight (kg)
50	13	180	32	100	50	65	9	26	115	310	20	6	4.5
75	18	275	50	125	75	95	12	43	170	430	20	7	10.8
100	25	350	65	160	100	120	14	51	220	540	25	7	18.6
125	34	430	80	200	125	145	15	60	275	676	28	9	34.3
150	43	500	100	230	150	170	16	70	330	800	35	9	49

GBT 554-1996 Double Bollard Type D

Specification of GBT 554-1996 Double Bollard Type D:

minal Dia. (mm)	Max. Dia. of Steel Rope (mm)	Max. Dia. of Hemp Rope (mm)	Max. Dia. of Synthetic Carbon Fiber Rope (mm)	D	D1	B	H	h	h1	t	d	d1	r	A	Screw		Weight (kg)
minal Dia. (mm)	Max. Dia. of Steel Rope (mm)	Max. Dia. of Hemp Rope (mm)	Max. Dia. of Synthetic Carbon Fiber Rope (mm)	D	D1	B	H	h	h1	t	d	d1	r	A	Screw Dia.	Quantity	Weight (kg)
50	8.7	75	16	50	65	135	190	8	85	6	25	35	25	85	M16	4	2.8
75	11.5	90	20	75	95	185	290	12	135	7	42	52	35	115	M22	4	8
100	13.5	100	24	100	120	235	350	18	160	7	50	65	40	155	M27	4	15

GBT 554-1996 Double Bollard Type E

Specification of GBT 554-1996 Double Bollard Type E:

ominal Dia.	Max. Dia.			D	D1	L	B	H	h	h1	h2	t	t1	d	d1	r	A	A1	A2	Screw		Weight (kg)
	Steel Rope	Hemp Rope	Synthetic Carbon Fiber Rope																	Screw
	Steel Rope	Hemp Rope	Synthetic Carbon Fiber Rope																	Screw Dia.	Quantity
50	8.7	75	16	50	65	310	130	190	8	85	-	6	4	32	40	20	180	270	90	M12	6	7
75	11.5	90	20	75	95	450	170	290	10	130	-	7	5	48	56	25	275	400	125	M16	6	16
100	13.5	100	24	100	120	550	200	350	12	160	-	7	5	65	75	28	350	494	144	M18	6	27
125	15.5	125	28	125	145	660	240	425	14	195	-	9	7	80	95	35	425	590	170	M22	6	49
150	17.5	150	30	150	170	770	270	500	16	210	-	9	7	90	110	35	500	700	200	M22	6	71
175	19.5	175	36	180	200	850	320	550	18	240	-	10	8	110	125	38	530	774	244	M24	6	103
200	22.5	200	40	203	225	960	360	795	145	275	60	12	9	130	145	20	600	-	-	-	-	181
250	26	225	48	245	280	1200	350	855	155	350	60	14	12	159	180	25	750	-	-	-	-	310
300	30.5	250	56	290	330	1440	540	1160	180	420	73	16	14	194	215	30	900	-	-	-	-	576