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Leading UK Sheet Piling Contractor

Leading UK Sheet Piling contractor, Aarsleff Ground Engineering, has invested in a ‘State of the Art’ Giken Silent Piler ECO 700S. If noise and vibration levels generated are a potential problem, or where the project is governed by environmental constraints or tight access to the site, sheet pile installation and extraction using silent and vibration-free equipment is a solution we can now offer with the Giken. Aarsleffs General Manager Kevin Hague said:

The sheet piling discipline will provide an important future revenue stream for the business. We want to break into the London market, which will be much more achievable now we have invested in the Giken Silent Piler Eco 700S. London has historically rejected precast piling and so Aarsleff had very little presence there. Now, we can attack that market by offering silent, vibration free piling and subsequently increase London’s awareness of our company.”

Background

Conventionally prefabricated piles have been pounded or vibrated into the ground. Such methods inevitably generate excessive noise and vibration because of their reliance on percussive or vibratory energy. Taking the initiative in solving this problem, Mr. Akio Kitamura, who had already founded Giken as his own contracting company, turned his attention to the resistance to extraction of installed sheet piles. Thereby he discovered the press-in principle, which utilises reaction force derived from fully installed piles as a counterweight to hydraulically press-in subsequent piles. In succeeding years, Giken developed the world’s first SILENT PILER press-in machine to make the press-in principle practicable in the field. Since the piles are pressed-in, the Silent Piler does not cause any damage to the environment including neighbouring structures and local residents through noise and vibration. Thus the ultimate solution for non-pollutive piling was pioneered and the Press in Method set off on its endless innovation to establish a new standard for a true revolution in construction methods.

Higher performance for Sustainable Construction

Since the development of the first Silent Piler in 1975, numerous projects have been completed. The newest press-in machines
have been developed based on scientific empirical analysis and feedback collected from project sites. These Silent Pilers
have higher productivity with wider sheet piles and can minimise overall environmental impact with the most advanced
Press-in Operation System and environmentally-friendly design.

How does the Silent Piler work?

The Silent Piler ECO 700s is a piling rig for hydraulic pressing-in of sheet piles. The rig consists of the actual machine, a power pack and a reaction stand. The Silent Piler is designed for pressing-in of various kinds of sheet piles of the U and Z type. The sheet piles are pressed-in hydraulically by means of a chuck in the front part of the machine gripping the sheet pile. Subsequently, the chuck is pressed downwards by two hydraulic cylinders. In order to carry out this operation, a counterweight is required. The first sheet piles are pressed-in from the reactions stand and sheet piles which have not yet been pressed-in are normally used as a counterweight. These piles are positioned on the bracket arms made for this purpose in the reaction stand. Typically, a minimum of 30-40 tonnes of counterweight is required. When the first sheet pile has been pressed in, the machine moves away from the reaction stand and grips the top of the sheet pile with the clamps placed under the machine. When five sheet piles have been pressed in, the reaction stand can be removed, and the pressed in piles serve as a counterweight.

The power pack is self-transporting on the construction site by means of caterpillar tracks and an operator controls the Silent Piler by means of a wireless radio control transmitter.

How do you record the data?

The Silent Piler is equipped with electronic recording of various data during the piling process. It is possible to print graphs of the pressing-in and extraction power, jetting volume and jetting pressure, all as a function of the pressing in-depth. Data is recorded by computer integrated into the machine, and data can subsequently be transferred to a PDF file. In this way, documentation for the progress of the work is supplied to the customer in the form of an accurate journal of the pressing-in of the sheet pile.

For more information about Aarsleff Ground Engineering or to send in your enquiry, call 01636 611140 and speak to a member of our expert team today, or drop us an email 

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