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  2. Pile driver - Wikipedia

    en.wikipedia.org/wiki/Pile_driver

    Vibratory pile hammers contain a system of counter-rotating eccentric weights, powered by hydraulic motors, and designed so that horizontal vibrations cancel out, while vertical vibrations are transmitted into the pile. The pile driving machine positioned over the pile with an excavator or crane, and is fastened to the pile by a clamp and/or ...

  3. Movax - Wikipedia

    en.wikipedia.org/wiki/Movax

    Movax is a developer and manufacturer of excavator-mounted, automatically controlled piling and foundation equipment and the inventor of the patented modular side grip technology. [1] The product range includes a selection of excavator-mounted accessories like side grip vibratory pile drivers ( SG ), impact-type piling hammers ( DH ), piling ...

  4. Wave equation analysis - Wikipedia

    en.wikipedia.org/wiki/Wave_equation_analysis

    The soil response for each pile segment is modeled as viscoelastic-plastic. The method was first developed in the 1950s by E.A. Smith of the Raymond Pile Driving Company. Wave equation analysis of piles has seen many improvements since the 1950s such as including a thermodynamic diesel hammer model and residual stress. Commercial software ...

  5. Deep foundation - Wikipedia

    en.wikipedia.org/wiki/Deep_foundation

    Sheet piling is a form of driven piling using thin interlocking sheets of steel to obtain a continuous barrier in the ground. The main application of sheet piles is in retaining walls and cofferdams erected to enable permanent works to proceed. Normally, vibrating hammer, t-crane and crawle drilling are used to establish sheet piles. [citation ...

  6. Junttan - Wikipedia

    en.wikipedia.org/wiki/Junttan

    The new HHK-S hydraulic hammer range was launched in 2001. A new drilling rig platform was launched in 2005. Junttan became a part of the PiloMac group in 2006. Launching Junttan's biggest hydraulic hammer, the HHK 25S, in 2007. Manufacturing the 1000th Hydraulic hammer in 2007. Manufacturing the 500th Piling rig in 2008.

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  8. Hydraulic hammer - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_hammer

    Hydraulic hammer may refer to: Breaker (hydraulic) , a powerful percussion hammer fitted to an excavator for demolishing hard structures Hydraulic hammer, a type of piling hammer

  9. Danish pile-driving formula - Wikipedia

    en.wikipedia.org/wiki/Danish_pile-driving_formula

    Q dy = ultimate dynamic bearing capacity of driven pile; α = pile driving hammer efficiency; W H = weight of hammer; H = hammer drop; S = inelastic set of piles, in distance pr. hammer blow; S e = elastic set of piles, in distance pr. hammer blow; L = pile length; A = pile end area; E = modulus of elasticity of pile material

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