GBT554-1996 Marine Double Bollard Type A - Marine Bollard - Hi-sea

GBT554-1996 Marine Double Bollard Type A

GBT554-1996 Marine Double Bollard Type A

Introduction:

GBT554-1996 is a Chinese standard for marine double bollards. Type A refers to the design of the bollard, which features a symmetrical shape with two horns or posts extending from a central base. Double bollards are commonly used in marine environments to secure ships and other vessels to docks or piers.

The Type A double bollard is designed to withstand high loads and provide a secure mooring point for vessels. The bollard is typically made of cast iron or steel and is designed to be bolted to a concrete or steel foundation. The horns or posts of the bollard are designed to provide a secure point of attachment for ropes or cables.

The GBT554-1996 standard specifies the dimensions, materials, and testing requirements for Type A double bollards. This includes requirements for the strength and durability of the bollard, as well as the methods for testing these properties. The standard also specifies requirements for the marking and labeling of the bollard, as well as the documentation that must be provided with each bollard.


Drawing of GBT554-1996 Marine Double Bollard Type A:

Parameters of GBT554-1996 Marine 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

Features:

Model Type: Marine Double Bollard;

Material: Steel Plate;

Certificates: CCS, ABS, BV, LR, NK, RINA, etc.;

Standard: GBT554-1996.

Technical Details:

1. The base height h of the A-type bollards listed in the table is the minimum value, which is only applicable to steel decks. When installed on steel decks with wooden decks, the upper surface of the bases should be 15mm higher than the wooden decks;

2. The piles of type A and B with bollards can be covered with stainless steel plates as required, and the stainless steel grade is 1Cr18Ni9Ti;

3. For A and B-type bollards with a nominal diameter less than or equal to 500mm, they can be directly made of seamless steel pipes or welded with steel plates;

4. For A and B-type bollards with a nominal diameter greater than or equal to 250mm, baffles can be installed as required.

GBT554-1996 Marine Double Bollard Type A Ready to Ship:

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