Rigs with external power packs represent a specialized class of foundation equipment designed for press-in piling operations, a controlled installation method that eliminates vibration and noise commonly associated with traditional pile driving. These systems feature a primary rig unit paired with a separate hydraulic or electric power pack that supplies the necessary pressure and force for driven or jacked pile installation. The external power pack configuration provides flexibility in equipment deployment, allowing operators to position the power generation system remotely from the piling rig itself, which is particularly valuable in congested urban environments or sites with strict noise and vibration restrictions. This separation of power generation from the structural rig also facilitates easier maintenance, servicing, and transportation of equipment components across challenging terrain or restricted access sites. The technical operation of rigs with external power packs involves converting the hydraulic pressure generated by the power pack into controlled jacking force applied through the pile guide frames to drive steel H-piles, steel pipes, or precast concrete piles into the soil. The pile guide frames maintain precise vertical and horizontal alignment while the external power pack maintains consistent pressure delivery, enabling operators to achieve predictable penetration rates and monitor bearing capacity indicators in real-time. This methodical approach to pile installation allows for accurate depth control, settlement monitoring, and adjustment of installation procedures based on actual ground conditions encountered. The external power pack system typically includes pressure gauges, flow control mechanisms, and accumulator systems that optimize force delivery while preventing sudden shock loads that might damage piles or compromise ground stability in sensitive applications. Rigs with external power packs excel in applications where conventional vibratory or percussive pile driving proves unsuitable due to environmental constraints or soil characteristics. Urban redevelopment projects, sites adjacent to existing structures, and areas with archaeological sensitivity benefit from the non-vibratory nature of press-in piling, which minimizes ground vibration and associated structural disturbance. These systems perform effectively in soft cohesive soils, alluvial deposits, sands, and mixed stratification where controlled load application prevents soil displacement and maintains lateral support for adjacent excavations. The technology is equally valuable for remedial foundation work, underpinning operations, and deep foundation systems requiring precise load control and minimal ground heave. By combining the mechanical advantages of external power packs with pile guide frame systems, contractors achieve reliable foundation installation with complete documentation of installation parameters, making these rigs essential equipment for complex geotechnical engineering projects demanding both performance and environmental responsibility.
No equipment found in this category
No models found