Seawall & Marine

CHANCE Helical Tieback Anchors are utilized for marine applications, such as seawall repair, as well as the new construction of seawalls, bulkheads, docks, boardwalks, and mooring anchors. They’re proven to be the best system available for providing lateral support for both seawall and bulkhead repair as well as new seawall and new bulkhead construction and are engineered to meet your specific project needs.

Helical tieback anchors are a superior choice for marine construction because they can be installed quickly and tensioned immediately for speedy construction. Helical anchoes are classified a soil anchors and loads are developed based upon the capacity of the soil behind the wall. Holding capacity is proportional to installation torque. CHANCE helical anchors are engineered to provide versatility in application in order to conform to specific project soil conditions.

Benefits of using CHANCE to repair failing bulkheads and seawalls:

• No excavation or spoils
• No vibration
• No concrete or grout – eliminated cure time
• Can be installed from land or waterside
• Fast installation
• Cost-effective
• Immediate loading
• Instant capacity
• Low impact

Seawalls are continuously exposed to many elements, and issues related to erosion are nearly inevitable.  The rise and fall of the tide and water run-off from the land, can result in water sweeping away the sand and soils surrounding seawalls.  This outflow of soil often causes undermining of the structure, the formation of voids within the soils behind the seawall, and even large sinkholes.  Carolina Foundation Solutions specializes in addressing the voids and sinkholes behind and around seawalls using methods of injecting a range of Alchemy Spetec products.

The injection of polyurethane foam, such as Alchemy Spetec’s AP700 can be used to seal cracks in seawalls, fill voids within the soils, and stabilize the soils surrounding seawalls.  AP700 is a semi-rigid hydro-phobic polyurethane foam that reacts with water and moisture in the soil.  It expands to fill voids while also permeates sandy soils to form a solid, strong, watertight mass.

Advantages of Polyurethane Foam:

• Low mobilization costs
• Fast installation
• Installs in nearly any weather conditions
• Material is light weight
• Process provides immediate results
• Creates little to no mess

Therefore…

• There is no need to plan for the arrival of large equipment, as required with concrete mixers for cement-based grouting.
• There is no extended wait time, as required for curing of cement-based grout.
• There will be no need to wait for the perfect weather conditions.
• There will be no need to prohibit traffic from workspace for extended time.

Common Applications for Polyurethane Foam:

• Concrete Slab Lifting & Leveling
• Concrete Slab Stabilization
• Bridge Approach Stabilization & Lifting
• Taxi Way Stabilization
• Void Filling
• Seawall Repairs
• Sink Hole Repairs

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