GBT554-2008 Marine Bollard Type A

GBT554-2008 Marine Double Bollard Type A

Introduction:

There are five types of GB T 554-2008 GBT554-2008 is a Chinese standard that specifies the technical requirements and testing methods for marine bollards. Type A marine bollards are a type of single bitt bollard that are typically used for mooring vessels in ports or other marine environments.
According to the standard, a Type A marine bollard should be made of cast iron or cast steel, with a nominal diameter ranging from 100mm to 800mm. The bollard should be designed and manufactured to withstand a specified load, depending on its size. For example, a 100mm bollard should be able to withstand a load of 20 kN, while a 800mm bollard should be able to withstand a load of 800 kN.
The bollard should also be designed with certain dimensions and angles, including the height of the bollard, the diameter of the mounting hole, and the angle of the bollard head. These dimensions are specified in the standard and are intended to ensure that the bollard is compatible with standard mooring ropes and can effectively secure a vessel in place.
In addition, the standard specifies certain testing methods that should be used to ensure that the bollard meets the required load capacity and other performance criteria. These tests include a proof load test, a hardness test, and a visual inspection to check for any defects or damage.
Overall, the Type A marine bollard specified in GBT554-2008 is a robust and reliable mooring solution designed to withstand the harsh marine environment and keep vessels secure while they are docked or anchored.

Drawings of GBT554-2008 Marine Bollard Type A:

Parameters of GBT554-2008 Marine Bollard Type A:

Form 1-1:

Nomianal size	SWL (KN)	Pillar
Nomianal size	SWL (KN)	D	D1	h1	h2	H	H1	t	t1	t2
100	29	114	145	40	6	196	150	10	6	7
125	39	140	180	50	6	246	190	10	6	8
160	49	168	210	60	8	316	250	10	6	9
200	78	219	270	70	8	378	300	10	8	9
250	118	273	335	80	8	470	380	11	10	9
315	196	325	390	105	10	597	480	15	12	9
355	255	351	420	120	10	663	530	17	13	12
400	314	402	480	135	10	749	600	18	14	12
450	382	450	545	145	10	841	680	19	16	12
500	451	508	610	160	12	928	750	20	18	12
560	549	560	670	175	12	1025	830	22	20	12
630	686	610	730	190	12	1152	940	24	22	12
710	804	712	840	220	14	1294	1050	25	24	12
800	981	813	940	255	14	1480	1200	26	25	12

Form 1-2:

Nomianal size	Base									Weight
Nomianal size	A	B	h >=	l	L	R	t3 >=	Stiffener	k	(kg)
100	250	165	50	70	445	15	6	6x40	4	19
125	315	195	60	100	540	15	6	6x50	4	29
160	400	225	70	145	670	20	6	6x60	4	45
200	500	290	85	160	860	25	8	8x70	6	80
250	630	360	100	215	1065	30	10	10x80	8	141
315	800	430	125	325	1300	35	12	12x105	10	264
355	890	480	145	360	1475	40	13	13x120	10	358
400	1000	550	160	400	1630	45	14	14x135	10	499
450	1130	620	170	450	1840	50	16	16x145	12	680
500	1250	690	190	500	2040	55	18	18x160	12	911
560	1380	750	210	560	2240	60	20	20x175	14	1208
630	1570	820	225	680	2510	70	22	22x190	14	1601
710	1750	960	260	710	2840	80	24	24x220	16	2252
800	2000	1100	295	810	3240	80	25	25x255	16	3071
Note: The mass is calculated when the height of the base is equal to h.

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