Hydraulic Hammer for Pile Driving Applications | Casagrande

Hydraulic Hammer

Hydraulic impact hammer technology for the installation of driven piles in demanding soil conditions and heavy-duty foundation projects.
Overview

Overview

Hydraulic Hammer technology is used for the installation of driven piles through repeated vertical impact blows delivered by a hydraulic hammer mounted on a piling rig. This method is widely adopted for foundations requiring high penetration capacity and strong bearing performance.

The hammer transfers high-energy impacts to the pile head, allowing the element to penetrate the ground progressively. The energy generated by the hydraulic system ensures controlled, powerful blows capable of driving piles through dense soils and stiff formations.

Driven piles installed using hydraulic impact hammers are commonly used in infrastructure, bridge foundations, marine works and heavy civil engineering projects.

Depending on project requirements and soil conditions, hydraulic hammer driving can be applied:

  • For steel tubular piles
  • For H-section steel piles
  • For precast concrete driven piles
  • For foundation piles in dense soils or mixed stratigraphy

Hydraulic impact hammers provide reliable energy transfer, high penetration capability and precise control of driving energy, making them suitable for projects requiring strong structural performance and deep pile installation.

How it works?

1

Machine positioning and pile alignment

The piling rig is positioned and the pile is aligned vertically using the mast and guiding system.
2

Hammer positioning on the pile head

The hydraulic hammer is placed on top of the pile and secured through a dedicated driving cap or helmet.
3

Activation of hydraulic impact system

The hammer generates repeated vertical blows powered by the hydraulic system.
4

Progressive pile penetration

Each impact transfers energy to the pile, allowing it to progressively penetrate the ground.
5

Reaching target depth

Driving continues until the required depth or refusal criteria defined by the project are achieved.
How it works?

Advantages

  • ✓ High driving energy suitable for dense soils and difficult ground conditions
  • ✓ Reliable and well-established driven pile technology
  • ✓ Suitable for large structural piles and heavy foundations
  • ✓ Precise control of impact energy and driving parameters
  • ✓ Effective penetration in stiff or partially cemented formations

Limitations

  • ⚠ Higher noise levels compared to vibratory systems
  • ⚠ Potential vibration transmission to nearby structures
  • ⚠ Requires proper pile head protection during driving
  • ⚠ Lower productivity compared to vibratory systems in soft soils
  • ⚠ Increased wear and maintenance due to repeated high-impact loading

Compatible Casagrande equipment

CV18-F

CV18-F

  • Max. weight of vibrator 11450 kg
  • Operating weight ~85800 kg
  • Hydraulic Hammer CX85
  • Drop height 1200 mm
  • Energy 85 kNm
  • Dropweight mass 7000 kg
CV22-F

CV22-F

  • Max. weight of vibrator 11450 kg
  • Operating weight ~87100 kg
  • Hydraulic Hammer CX85
  • Drop height 1200 mm
  • Energy 85 kNm
  • Dropweight mass 7000 kg
CV16-T

CV16-T

  • Drop height 1200 mm
  • Energy 50 kNm
  • Dropweight mass 4000 kg
  • Extraction force at sledge 200 kN
  • Crowd force at sledge 140 kN
  • Max. weight of hammer 8000 kg
  • Operating weight ~70000 kg
CV19-T

CV19-T

  • Drop height 1200 mm
  • Energy 50 kNm
  • Dropweight mass 4000 kg
  • Extraction force at sledge 200 kN
  • Crowd force at sledge 140 kN
  • Max. weight of hammer 8000 kg
  • Operating weight ~75200 kg
CV21-T

CV21-T

  • Drop height 1200 mm
  • Energy 50 kNm
  • Dropweight mass 4000 kg
  • Extraction force at sledge 260 kN
  • Crowd force at sledge 140 kN
  • Max. weight of hammer 8000 kg
  • Operating weight ~79100 kg