Larssen Sheet Piles

Larssen Piles are a type of sheet piling that has an interlocking section which forms a sheet piling retaining wall. Each sheet pile section is connected at 180 degrees from the previous one to form a uniform wall with alternating troughs and peaks. Larssen Sheet Piles are typically used in temporary or permanent cofferdams, retaining walls and foundation construction.

Larssen piles are also commonly used for marine projects due to the watertight quality of the interlocking section. Depending on ground conditions, consideration must be given to the length of the pile to be driven, depth of penetration and ground loadings.
The sheet pile sections are designed to be as light as possible without compromising strength and durability and have a high strength to weight ratio.
With lengths up to 18 metres, Larssen Piles combine reduced deflections with good driving properties and durability.

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Sheet Type	'w' Width (m)	't' pan thickness (mm)	's' web thickness (mm)	'd' pan depth (mm)	'p' pan width (mm)	Cross section area (cm²/m)	Weight (single pile)	Weight (kg/m²)	Permissable working stress (N/mm²)	Section Modulus (cm³/m)	Moment of Inertia (cm⁴/m)	Maximum bending moment (kNm/m)
PU12	0.6	9.8	9.0	360	258	140	66.1	110.1	200	1200	21600	240
PU18^-1	0.6	10.2	8.4	430	269	154	72.6	121.0	200	1670	35950	334
PU22-1	0.6	11.1	9.0	450	297	174	81.9	136.5	200	2060	46380	371
PU22⁺¹	0.6	13.1	10	450	297	192	90.4	150.7	200	2335	52510	467
PU28^-1	0.6	14.2	9.7	452	339	207	97.4	162.3	200	2680	60580	536

Corner Sections

Corner Pile	Weight (kg/m)	't' thickness (mm)	Steel Grade	Permissible working stress (N/mm²)
Omega 18	18.0	8	S270	200
C14	14.4	10	S270	200
Delta 13	13.1	8	S270	200
C9	9.3	10	S270	200

FAQs

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Sheet Piles

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Sheet Piles Technical Literature

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Larssen Sheet Piles and Piling Accessories Technical Data

Piling Hammers (EMVs) are specifically designed as a sheet piling attachment for excavators. They have a high power to weight ratio due to the high operating frequency and can apply an additional vertical force from the excavator to assist driving if required. This type of excavator mounted sheet pile driver is ideally suited to cohesive, granular soil conditions and can significantly decrease driving time, reduce noise and minimise potentially hazardous vibrations.

VibroSafe Quick Hitch Adaptor

The Piletec VibroSafe Quick Hitch Adaptor is a specially developed piece of equipment that is exclusive to Piletec. The VibroSafe connects Excavator Mounted Vibratory Hammers via the excavator’s quick hitch system. The adaptor comes pre-assembled; eliminating the need for the fitting or removal of bolts and pins. The VibroSafe can be used with 90% of all quick hitch systems from 12–25 tonne excavators.

Maxi Brace

The Maxi Brace is a mid-range, heavy duty, hydraulically adjustable bracing system suitable for supporting clear span square or rectangular excavations ranging from 3m to 12m in size. Higher load capacity and/or longer spans can be achieved by incorporating either cross strutting of knee bracing. Modular extensions are available to further extend beam lengths, however cross strutting is required with these leg configurations.

Mega Brace

The Mega Brace is a high load capacity modular hydraulic bracing system designed to support square, rectangular or multi-sided excavations ranging from 3.0m to 20.0m in plan.