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Harbor Technology Pilings

Driving with a Vibratory Hammer

For piles used in structurally supporting piers, wharves, docks, jetties, breakwaters, boardwalks, as well as used as fender piles for the Navy piers and Dept of Transportation bridges. Both BarForce (plastic lumber with fiberglass bars) and FiberForce (plastic lumber with fiberglass fibers) are used as walers, chocks, blocks, and curbs in conjunction with our HarborPile fiberglassmarine piling to make a "complete non wood/non metallic fender system".

Hollow fiberglass composite piles (wall thicknesses from ¼" to 1") and one piece lengths of 100+ feet are easier to install and handle versus solid displacement piles. Fiberglass pultruded compression tubes, fiberglass and polyethylene top caps, and steel pile shoes are available. Also, an HDPE (high density polyethylene) outer sleeve is available for partial or entire coverage of the pile when extra abrasion and impact resistance is required.

HarborPile Specifications (English)

No factors of safety have been applied to these figures. Project engineers are responsible for determining and applying the factors of safety they deem acceptable to the values above. We can supply pilings with custom wall thicknesses and diameters and can also engineer pilings to meet specific engineering requirements.

**Design Data (Ultimate Strength)**
HarborPile Diameter	Compression (Kips short col)	Moment (KipFeet)	Shear (Kips)	Wall Thickness (Inches)	Weight Per Foot (lbf)	EI Values ( lbf-in²i)
8"Standard	140	22	44	1/4	5	1.453E+08
10"Standard	146	28	54	1/4	6	2.892E+08
12"Standard	286	68	82	3/8	10.5	7.356E+08
14"Standard	294	82	96	3/8	12.5	1.184E+09
16"Standard	300	96	110	3/8	14	1.785E+09
18"Standard	390	210	226	1/2	21	3.345E+09
24"Standard	620	298	304	1/2	28	8.098E+09
-- Heavy Duty --
8" Heavy Duty	504	74	96	1/2	9.5	2.643E+08
10" Heavy Duty	528	100	122	1/2	11.75	5.362E+08
12" Heavy Duty	546	126	148	1/2	14	9.503E+08
14" Heavy Duty	846	226	214	5/8	21	1.869E+09
16" Heavy Duty	1210	368	292	3/4	28	3.326E+09
18" Heavy Duty	1238	428	330	3/4	31.5	4.811E+09
24" Heavy Duty	1306	614	446	3/4	42	1.177E+10

Laminate Properties (Ultimate Strength)

Bending Stress, Fb	48,821.00 psi
Tensile Stress, Ft	73,800.00 psi
Compression Stress, Fc	57,600.00 psi
In Plane Shear Stress, Fv	5,959.00 psi
Modulus of Elasticity, E	3,900,000.00 psi
Poissan's Ratio	-0.31
Specific Gravity	1.75

Composite Pilings

Fiberglass Composite: Some History

Marine applications have many technologies to choose from when it comes to pilings. Pressure Treated Wood, PT Pilings, concrete pilings, Encapsulated Wood, PVC, and Fiberglass. Harbor Technologies designs and manufactures Fiberglass Composite Pilings. This article will outline some of the structural and lifetime benefits of the Fiberglass Pile.

Although drawing glass into a very fine fiber was done in the 19th century or before, industrially produced fiberglass was invented in 1938 within Owens-Corning. Initially used for insulation. By the mid to late '50s fiberglass earned its respect as a building material for boats. Since it will not rot like wood, nor corrode like metals it was the perfect material in the marine environment, especially salt water environment.

Today: A Highly Engineered Material

Piling Flexture Test In practice today, specialty woven mats, glass fibers, and various resins are available to attain

HarborPile Specifications (Metric)

Note: Manufacturing is done to English units, the following table is converted from the English specifications table.

Design Data (Ultimate Strength)

HarborPile Size & style	Compression (KN short col)	Moment (KN-M)	Shear (KN)	Wall Thickness (mm)	Weight Per Foot (kg)	EI Values (N cm²)
20 cm Standard	622	30	196	6.35	7.5	4.170E+09
25 cm Standard	650	38	240	6.35	9	8.300E+09
30 cm Standard	1272	92	364	9.525	15.5	2.111E+10
35 cm Standard	1308	112	428	9.525	18.5	3.398E+10
40 cm Standard	1334	130	490	9.525	21	5.124E+10
45 cm Standard	2624	284	1006	12.70	31.25	9.600E+10
60 cm Standard	2758	404	1352	12.70	41.75	2.324E+11
-- Heavy Duty --
20 cm Heavy Duty	2242	100	428	12.70	14	7.585E+09
25 cm Heavy Duty	2348	136	542	12.70	17.5	1.539E+10
30 cm Heavy Duty	2428	170	658	12.70	21	2.727E+10
35 cm Heavy Duty	3764	306	952	15.875	31.25	5.365E+10
40 cm Heavy Duty	5382	498	1298	19.05	41.75	9.545E+10
45 cm Heavy Duty	5506	580	1468	19.05	47	1.381E+11
60 cm Heavy Duty	5810	832	1984	19.05	62.5	3.378E+11

Laminate Properties Metric (Ultimate Strength)

Bending Stress, Fb	3,432.12 Kg cm²
Tensile Stress, Ft	5,188.14 Kg cm²
Compression Stress, Fc	4,049.28 Kg cm²
In Plane Shear Stress, Fv	418.92 Kg cm²
Modulus of Elasticity, E	274,170 Kg cm²
Poissan's Ratio	-0.31
Specific Gravity	1.75

Composite Piles from Harbor Technologies

Destin Florida, HarborPiles and ThruFlow HarborPiles are designed for fender or structural applications and offer tremendous durability in the harshest environments. They are strong, tough and durable and can be installed with standard equipment.

HarborPile are available in a wide range of diameters (8” to 36”) and wall thicknesses (0.125” to 1.5”) and in any transportable length (103 ft longest to date) and can be tailored to meet an infinite range of engineering properties.

Advanced Waterfront Technologies, Inc

Harbor Technology Pilings

HarborPile Specifications (English)

Composite Pilings

Fiberglass Composite: Some History

Today: A Highly Engineered Material

HarborPile Specifications (Metric)

Laminate Properties Metric (Ultimate Strength)

Composite Piles from Harbor Technologies

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