Exploring Innovative Techniques in Marine Construction: Helical Piles and Drilled Caissons

Apr 05, 2024By Mike DeSousa

MD

Progress in marine construction is mainly dependent on innovation. Those working in marine construction must be up to date with innovative methods that improve productivity, resilience, and sustainability. Drilled caissons and helical piles are two examples of innovative techniques gaining popularity in the field. This blog explores the specifics of these methods, their uses in constructing marine pilings, and their benefits in harsh marine environments.

Understanding Helical Piles

A helical-shaped plate attached to a steel shaft is the feature that makes helical piles, commonly referred to as screw piles, an adaptable foundation solution. Because the pile is twisted into the ground, less soil disturbance is caused during installation, making it an efficient design. Helical piles have several unique benefits in the marine construction industry.

marine construction

Advantages of Helical Piles in Marine Construction

1. Minimal Environmental Impact: One of the primary benefits of helical piles in marine construction is their minimal environmental impact. Unlike traditional pile driving methods, which can disrupt marine ecosystems with noise and vibration, helical pile installation is relatively quiet and non-invasive. This makes them particularly suitable for environmentally sensitive areas.

2. Versatility: Helical piles can be installed in a wide range of soil conditions, including sandy, rocky, and clayey substrates. Their versatility makes them ideal for marine projects where soil conditions may vary significantly.

3. Load Bearing Capacity: Despite their relatively small size, helical piles boast impressive load-bearing capacity, making them suitable for supporting various marine structures, including piers, docks, and offshore platforms. Their ability to resist both tension and compression loads makes them a reliable foundation solution in challenging marine environments.

4. Rapid Installation: Helical pile installation is quick and efficient, reducing construction time and minimizing disruption to marine activities. This can result in cost savings for marine construction projects, making them an attractive option for developers and contractors.

Applications of Helical Piles in Marine Construction

1. Dock and Pier Construction: Helical piles are commonly used to support docks and piers in marinas and waterfront properties. Their ability to withstand lateral forces and fluctuating water levels makes them an ideal foundation solution for these structures.

2. Offshore Wind Turbines: In offshore wind farm construction, helical piles are often used to anchor support structures for wind turbines. Their rapid installation and high load-bearing capacity make them well-suited for this application, enabling efficient installation in deepwater locations.

4. Mooring Systems: Helical piles can also anchor mooring systems for boats and vessels. Their reliability and stability make them a preferred choice for securing floating docks, buoys, and other marine infrastructure.

Understanding Drilled Caissons

Drilled caissons, also known as drilled shafts or drilled piers, are large-diameter, deep foundation elements constructed by drilling a hole into the ground and filling it with concrete or reinforced concrete. In marine piling construction, drilled caissons offer several advantages over traditional pile driving methods.

marine piling construction

Advantages of Drilled Caissons in Marine Construction

1. High Load Capacity: Drilled caissons can support heavy vertical and lateral loads, making them suitable for marine structures subjected to significant environmental forces, such as waves, currents, and tides.

2. Deep Foundation Solution: In deepwater marine environments where traditional pile driving methods may be impractical or uneconomical, drilled caissons provide a viable foundation solution. Their ability to extend deep into the seabed ensures stability and structural integrity in challenging marine conditions.

3. Suitability for Weak Soil Conditions: Drilled caissons are particularly well-suited for marine construction projects in areas with weak or unstable soil conditions. By penetrating through soft or loose soils and reaching competent bedrock or stable strata, they provide a secure foundation for marine structures.

4. Flexibility in Design: Drilled caissons offer flexibility in design, allowing engineers to customize the diameter, depth, and reinforcement of the shaft according to specific project requirements. This versatility makes them adaptable to a wide range of marine construction applications.

Applications of Drilled Caissons in Marine Construction

1. Bridge Foundations: Drilled caissons are commonly used as foundation elements for bridge piers and abutments in marine environments. Their high load-bearing capacity and resistance to lateral forces ensure the stability and longevity of bridge structures in coastal or riverine settings.

2. Offshore Oil and Gas Platforms: In offshore oil and gas exploration and production, drilled caissons play a crucial role in supporting offshore platforms and rigs. Their deep foundation solution provides the necessary stability for platforms operating in deepwater locations where traditional pile-driving methods may not be feasible.

3. Wharf and Jetty Construction: Drilled caissons are also utilized to construct wharves, jetties, and other waterfront structures. Their ability to withstand heavy loads and resist lateral forces makes them an ideal foundation solution for these marine infrastructure projects.

man in black jacket and yellow hard hat standing on top of building during daytime

Conclusion

Innovative techniques such as helical piles and drilled caissons have revolutionized marine construction, offering efficient, reliable, and sustainable foundation solutions for a wide range of marine structures. As marine construction specialists, embracing these innovative methods can enhance project outcomes, minimize environmental impact, and ensure the long-term durability of marine infrastructure. By understanding the advantages and applications of helical piles and drilled caissons, marine contractors can deliver superior results in challenging marine environments, furthering the advancement of the industry as a whole.

Want to contact the best Northeast's foremost Piling Contractors located in Seaford, New York? Visit us at Marine Bulkheading Inc. 

About Marine Bulkheading Inc.

Marine Bulkheading Inc., based in Seaford, New York, is a leading family-owned piling contractor specializing in Driven and Drilled Pile Foundations, Excavation Support, and Marine Construction. With extensive experience in both private and public projects across New York and the Northeast region, we offer value engineering solutions for cost-effective alternatives. At MBI, we prioritize timely completion and efficient staffing, consistently delivering projects in substantially less time than our competitors. This commitment to excellence ensures our developer clients return to us repeatedly for their marine construction needs. 

Contact Marine Bulkheading Inc. at 516-785-7557 or email us at [email protected] . Let's build excellence together!