Sheet-Piling
Driving Innovation Below Ground.
THE O-PILE® SYSTEM CONSTRUCTION PROVIDES A SOLID-FACED WHARF IN DEEP WATER OR RETAINING WALL IN PURE ROCK WITHOUT THE NEED FOR AN ELABORATE ANCHORAGE SYSTEM.
OVERVIEW
Predictable, Quantifiable Retaining Wall Systems for All Soil Types
O-Pile® is a leader in predictable, quantifiable retaining wall systems that can be driven in all soil conditions. O-Pile® systems are a stronger, more efficient, durable, faster and cost-effective alternative to heavy Z-sheet pile, combined sheet pile utilizing pipes or beams, slurry, secant, continuous concrete walls and other conventional concrete constructions.
O-Pile® Attributes
1. Bending Moment Capacity (BMC)
O-Pile® systems typically have a higher strength to weight ratio when compared to Z, U or combined sheet pile walls as they can be made using high strength coiled steel that exceeds the capabilities of hot rolled sheet pile, allowing for a much larger Bending Moment Capacity. For example O-Pile® is available in X80 to provide 80,000 yield strength, where by hot rolling sheet piling is limited to less than 65,000 and typically uses steel with a yield strength of 36,000 or 50,000. The selection of the steel grade has a marked impact on the structural resistance of the pile wall. Selecting a stronger steel grade such as X70 or X80 often allows using piles of smaller diameter or wall thickness.
Download title here...
DOWNLOADS
*Sheet Pile LLC is the owner and assignee of numerous patents and trademarks related to the O-Pile® system, including, but not limited to, United States Patent Nos. 8,088,469, 8,323,765, and 7,935,406.
CONTACT
Get In Touch
O-Pile® systems are available for immediate shipment, regardless of your load-bearing, durability needs, or location.
Call us at 866-666-PILE (7453) or +1-512-243-1228
Email us at info@o-pile.com
Fill out a contact form and we will respond by the next business day.
2. Strong Efficient Connection
WOM/WOF connectors have an interlock strength of 19.5 kips/inch (3418kN/m); Figure 1 on the right clearly shows the high pull-out resistance of this connection which is over 4 times stronger than Larssen interlocking hot rolled sheet pile made in Luxembourg or China
3. Superior Geometry for Durability
Each WOF/WOM connection provides 20 degrees of rotation to ease placement. O-Pile® has a distinct advantage over combined, Z and U sheet piles: O-Pile® saves costs with easier application of corrosion protection compared to other geometries, and by having a minimized exposed surface (See figure 2).
Furthermore, the interior of the pipe can be sealed off (capped or filled) from oxygen infiltration in order to avoid inside corrosion. Also, concrete can be poured inside the O- Pile® itself, thus further increasing strength while also preventing oxidization or corrosion on the interior surface, so O-Piles® have only the exterior face exposed to corrosion. This is in contrast to a beam king pile, which has all of its surface faces exposed to corrosive elements. O-Pile used in corrosive soil and/or water need only have corrosion allowance factored for the exterior surface of the pile.
4. Positional Flexibility
Each WOF/WOM connection provides 20 degrees of rotation to ease placement.
12. O-PILE®: DTH (Down the Hole) Drilling
O-Pile®: DTH utilizes state-of-the-art DTH drilling techniques that allows its systems to be driven into any ground or rock strata at levels of productivity not achieved before. DTH drilling has been used in these challenging environments: post glacial soils of Norway, boulders of Sweden, granite of Finland, deep bed rock of Hong Kong, through heavy structure in Macau, etc. The O-Pile®: DTH Pile is installed with the centric drilling method using ring bits of a larger diameter than standard bits. The ring bit drills a hole larger than the pile to accommodate the WOF/ WOM connectors. Diameter from 16” (323mm) to 36” (914.4mm), ranging from a wide range of diameter pipe can be installed using O-Pile®: DTH. See O-Pile® DTH Grid on page XX.
Predictable, quantifiable installation is possible even with difficult driving conditions, such as bed rock or job sites with heavy debris. Compared to driving a conventional combined sheet piles with beams or pipes, the installation using an O-Pile®: DTH system is much less challenging due to one single fact: O-Pile®systems are supported throughout their installation, whereas King pile combi-wall systems with pipes and beams are not.
Installation using flexible strong WOM/WOF connections are simplified by the use of a template and panel installation method.
The installation of O-Pile®: DTH Piles is similar to driving sheet pile pairs in a basic two frame template. At no stage is there a pipe pile entirely unsupported throughout its length as it is driven to grade. Each pipe is supported by adjacent pipes with a small lead ahead of the rest, ensuring accurate wall alignment. (See Figure 4.)
5. Unmatched Strength
O-Pile® systems offer unmatched efficiency particularly where high capacity structures are involved. O-Pile® systems achieve strength by increasing pipe diameter, which spreads weight gained over an increased width. This minimizes weight gain per sqft (sqm) and radically improves efficiency. This is in stark comparison to how a beam-based combi-wall system develops strength.
To illustrate this efficiency, below is a comparison of strength to weight for an O-Pile® system and a King pile system.
7. Superior Durability
O-Pile systems have a distinct advantage over Z,U and combined sheet piles by having a minimized exposed surface. O-Pile only have a corrosion allowance factored for the exterior surface of the pile, unlike the other systems.
6. Load-Bearing Capacity
The surcharge and lateral load-bearing capacity of pipe sheet pile is significantly higher than standard U- or Z-type sheet piles or combined wall systems of similar weight, because of its natural geometry.
When To Use O-Pile®: DTH (Down the Hole)
Environments and Uses
O-Pile®: DTH systems can be driven into environments where the rock strata exceeds 120 megpascals or other difficult environments at levels of productivity not achieved before by using the state-of-the-art Down-the-Hole (DTH) drilling technique.
Development of new Down The Hole (DTH) techniques, especially the introduction of new air control bits, is making DTH drilling safer and more environmentally friendly than ever before. Using DTH in urban areas and in sensitive ground is now possible; plus, there is no danger of overdrilling or air escaping, which could otherwise cause settlements to existing structures.
O-Pile® is an economical and reliable solution that suits all ground conditions. The product is on hand and ready to ship to most US destinations within two weeks to most destinations in North America.
FAQs
Yes, using the O-Pile “DTH Down the Hole” system. Click here for presentation.
An O-shaped sheet pile is a pipe section with attached connector sections so that one section can be driven into the next to form a continuous steel wall with the same loadbearing element. The connector sections are connected together through an interlocking system. Eurocode 3 BS EN 1993-1995: 2007Section 1.8.12 defines interlock as: The portion of a steel sheet pile or other sheeting that connects adjacent elements by means of a thumb and finger or similar configuration to make a continuous wall.
Because we can take readily available pipes and begin a project to meet/exceed virtually any steel sheet piling requirements and begin delivery a ready to install system in days versus months.
They are both contiguous walls and hence much easier toinstall than a combined sheet pile wall
Yes, unlike hot rolled or cold rolled sheet pile systems that are limited to about grade 65 and most often produced with grade 50 steel, Pipes can be produced in higher grade of steel there-by giving the user is much higher bending moment per pound of stee
The best method for comparing SSP is via bending moment capacity, which incorporates the strength of the section due to its geometry (section modulus) and takes into account the steel grade: Bending moment capacity = elastic section modulus [m3/m] × minimum yield strength [kN/m2] (without safety factor) The BMC of a sheet pile section with a section modulus of 4019 cm3/m in a Steel Grade of S 355 is: 1427(kNm/m) = 4.019 (m3/m) x 355 (N/mm2) The BMC of a sheet pile section with a section modulus of 2290 cm3/m in a Steel Grade of X70 is: 1111 (kNm/m) = 2.290 (m3/m) x 485 (N/mm2)Decades ago, when there was predominantly only one steel grade, engineers used section modulus as the main design criteria. But now that many steel grades are available and production technology has evolved, we will likely see more and more higher grade steel options in the future. A higher grade of steel results in a stronger wall for less weight; thus, the best measure of strength to compare SSP systems is bending moment capacity, which incorporates section modulus and steel grade into one number independent of lifespan or safety factor. Incidentally, moment of inertia has no relationship to bending moment and is not typically a stand-alone criteria. Certain steel companies have pushedfor moment of inertia to be placed as part of a primary specification and have, as a result, confused the term with the vital bending moment
US, Canada, Japan, Russia, Ukraine, Norway, Finland,Sweden, Philippines and many other places
Yes.
a)When you need a sheet pile section that is stronger than a Z 40 level under normal soil conditions.
b)When you need to install a wall into rock or boulders and you can not install a z sheet pile, please see the full details of how this is done by clicking here: www.o-pile.com/s/dth
C)When you have heavy loads where by filling the O-Pile with sand or cement increase the untiliy of the sheet pile system.
D)For temporary applications, as you can reuse the O-Pile system easily.
E)When you would like a sea wall to last a long time and be cost effective. You can make an O-Pile thicking in the zone of high attack the top section of the pile and also eliminate the need to coat the steel.
8. O-Pile®: Mariner = Double Pipe thickness
Double Pipe Thickness– allows you to “dial-in” thickness to meet your specific structural load and durability needs to ensure overall safety. Thickness can be increased specifically at the splash- and low-water zones for increased durability (See Figure on the right).Additional costly measures, such as coatings, special steel grades or cathodic protection, become unnecessary. This gives the most efficient use of steel and the most cost-effective solution for durability. O-Pile® Mariner’s double pipe thickness targets design life and the use of sacrificial thickness, exactly where you need it–the “Zone of High Attack.” With a 100’ pipe, the thickness of the upper 10’ of pipe (denoted by arrows) beats the corrosion allowance, while the bottom 90’ oft he pipe is dialed-in to meet load bearing needs(See Figure 3)
10. Ease of Installation
An O-Pile is much less challenging due to one single fact: O-Piles are supported throughout their installation, whereas combined sheet pile systems are not. Installation using WOF/WOM connections are simplified by the use of a template and panel installation method. The installation of the O-Pile section is similar to driving Z sheet pile pairs in a basic two frame template. At no stage is there a pipe pile entirely unsupported throughout its length as it is driven to grade. Each pipe is supported by adjacent pipes with a small lead ahead of the rest, ensuring accurate wall alignment
9. Increased Savings
The increased Bending moment capabilities of O-Pile® allow the user to construct a stronger wall using much less steel, and hence at a much lower cost. O-Pile® works with our customers to ensure we meet your specific project needs. We don’t just sell you a product, we enter into a partnership that starts at the design stage and extends through implementation. Simply put, we deliver the most technically advanced and highly economical system available. Since we locally source pipes, we can always help you find the correct pile size in a broad range of steel grades, which allows you to implement a retaining wall or foundation structure with the best overall economy for all soil conditions and loading situations. O-Pile® offers a truly unmatched proven solution.
11. O-Pile®: via WADIT System = Watertight wall
WADIT, the globally proven sheet pile interlock sealant, comes pre-applied in the WOF interlock chamber before delivery to the job site. A purpose-built and globally proven sheet piling interlock sealant system, WADIT (short for WASSERDICHT, German for waterproof) is an environmentally friendly sealant that was developed to deliver robust water-stopping protection. WADIT is available for use anywhere with any type of sheet pile, including but not limited to O-Pile® and Z-Pile. The WADIT system can be utilized before driving sheet pile, in the middle interlock of already paired sheet pile and after the sheet pile has already been installed