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HarborPile
and HarborDock
Fiberglass Composite Marine Piling and Docks
HarborPile Specifications
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One piece pilings available up to 60+ foot length and in
diameters from 8" to 24". Splice couplers available
when required.
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Custom sizing available upon request.
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Can be custom engineered to the requirements
of a specific project.
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HarborPiles are manufactured, shipped and
driven hollow with or without
a driving tip. Driving tips and caps available upon request.
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Depending on the final application, customer
may fill the piling with an
appropriate core material (crushed gravel, concrete, foam
etc).
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Standard color is light grey. Other color
options available.
Advantages of Composite Pilings
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 Light
weight
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High strength-to-weight ratio
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Directional strength
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Corrosion & weather resistance
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Dimensional stability
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Low thermal conductivity
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Low coefficient of thermal expansion
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Non-magnetic
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High impact strength
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Low maintenance
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Long term durability
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Tailored surface finish
Composite HarborPile Specs
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 Size & Style |
Compression (Kips short col) |
Moment (KipFeet) |
Shear
(Kips) |
Wall Thickness
(Inches) |
Weight Per Foot
(lbs) |
EI Values (psi) |
| 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 |
|
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 |
|
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 |
6.50 |
7.5 |
4.170E+09 |
| 25 cm
Standard |
650 |
38 |
240 |
6.50 |
9 |
8.300E+09 |
| 30 cm
Standard |
1272 |
92 |
364 |
10.00 |
15.5 |
2.111E+10 |
| 35 cm
Standard |
1308 |
112 |
428 |
10.00 |
18.5 |
3.398E+10 |
| 40 cm
Standard |
1334 |
130 |
490 |
10.00 |
21 |
5.124E+10 |
| 45 cm
Standard |
2624 |
284 |
1006 |
13.00 |
31.25 |
9.600E+10 |
| 60 cm
Standard |
2758 |
404 |
1352 |
13.00 |
41.75 |
2.324E+11 |
|
20 cm Heavy Duty |
2242 |
100 |
428 |
13.00 |
14 |
7.585E+09 |
|
25 cm Heavy Duty |
2348 |
136 |
542 |
13.00 |
17.5 |
1.539E+10 |
|
30 cm Heavy Duty |
2428 |
170 |
658 |
13.00 |
21 |
2.727E+10 |
|
35 cm Heavy Duty |
3764 |
306 |
952 |
16.00 |
31.25 |
5.365E+10 |
|
40 cm Heavy Duty |
5382 |
498 |
1298 |
19.00 |
41.75 |
9.545E+10 |
|
45 cm Heavy Duty |
5506 |
580 |
1468 |
19.00 |
47 |
1.381E+11 |
|
60 cm Heavy Duty |
5810 |
832 |
1984 |
19.00 |
62.5 |
3.378E+11 |
Laminate Properties
| Bending Stress, Fb |
46,821.00 psi
|
3,292 Kg
cm2 |
| Tensile Stress, Ft |
36,573.00 psi |
2,571 Kg
cm2 |
| Compression Stress, Fc |
24,382.00 psi |
1,714 Kg
cm2 |
| In Plane Shear Stress,
Fv |
5,959.00 psi |
419 Kg
cm2 |
| Modulus of Elasticity,
E |
3,176,419.00 psi |
223,334 Kg
cm2 |
| Poissan's Ratio |
-0.31 |
-0.31 |
| Specific Gravity |
1.75 |
1.75 |
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HarborPiles are all composite pilings
fabricated of engineered fiberglass reinforcements and
high-performance resin.
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HarborPiles are manufactured using a
proprietary mechanical process which ensures uniformity and
high-strength.
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The outer surface of the piling consists of
a thermoplastic barrier which provides additional protection
against ultraviolet (UV) light and abrasion.
HarborPiles are designed to resist tensile,
compressive, shear and compressive, shear and torsional
stresses. Use of appropriate core materials can be used to
increase compressive loads and to enhance the bending
performance.
 Driving and Installation
HarborPiles are driven using industry standard
driving equipment including diesel, vibratory and drop-end
hammers can be used to install the composite HTI piling. The
piling can be driven either open ended or with a variety of
driving shoes. A standard pipe pile driving helmet can be
supplied upon request. The piles are easily cut, drilled and
attached using ordinary tools found at most job sites.
Testing
 Flexural
testing of HTI’s composite pilings was performed at the
University of Maine’s Advanced Engineered Wood Composite Lab (AEWC).
Specimens have been tested both filled with a Type III High
Early Strength Concrete as well as hollow. All piles were tested
in third-point flexure. Deflection was measured using Linearly
Variable Displacement Transducers (LVDT), with two mounted at
each end support and at the mid-span.
 HarborPiles
are designed to carry both bearing and lateral loads while
providing significant impact absorbing capacity.
HarborPiles have the compliance of timber, the
strength of steel and the durability of plastic without being
affected by electrolysis, temperature, marine rot or rust.
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