Understanding Vibro Hammers: Specifications and Applications
Vibro hammers are essential tools in modern construction and civil engineering, particularly for driving and extracting piles in various soil conditions. This article explores the specifications, types, and applications of vibro hammers, focusing on key models such as the PTC 50 HD and the OMS series.
What is a Vibro Hammer?
A vibro hammer is a hydraulic device that uses vibrations to drive piles into the ground or extract them. These machines are typically mounted on excavators or cranes, allowing operators to perform pile driving efficiently and with minimal manual handling. Vibro hammers are particularly effective in loose or soft soil conditions, where traditional driving methods may struggle.
Key Specifications of Popular Models
PTC 50 HD
The PTC 50 HD, manufactured in 2002, is known for its robust construction and reliable performance.
– Eccentric Moment: 23 kgm
– Max. Centrifugal Force: 645 kN
– Frequency: Normal frequency vibratory hammer
ICE 416L
The ICE 416L vibratory hammer is designed for efficiency and versatility.
– Max. Centrifugal Force: 98 tons
– Max. Frequency: 2,300 rpm
– Transport Weight: 1,653 lbs
OMS Vibro Hammers
The OMS series of vibro hammers, including the OVR models, is known for their high performance and durability.
– OVR 40 S: Suitable for various pile types with hydraulic clamps.
– SVR 50 NF: High-frequency operation, custom designs available.
– Hydraulic Power Packs: These are essential for powering the vibro hammers, ensuring consistent performance across different ground conditions.
Types of Vibro Hammers
Crane Suspended Vibro Hammers
Ideal for projects requiring high driving or extracting force, crane suspended vibro hammers can effectively handle large and heavy piles without the need for extensive modifications to the crane.
Excavator Mounted Vibro Hammers
Excavator mounted models, such as the OMS OVR series, are designed for easy attachment to excavators. They provide a compact solution for pile driving and are favored for their versatility in multiple applications.
Side Grip Vibro Hammers
These hammers are equipped with specialized clamps that allow them to handle, pitch, and drive sheet and tube piles efficiently. They simplify the pile driving process by reducing the need for additional machinery.
Choosing the Right Vibro Hammer
Selecting the appropriate vibro hammer depends on several factors, including:
– Soil Type: Different hammers are designed for loose, medium-dense, dense, and very dense soils.
– Driving Depth: It’s crucial to match the hammer’s specifications with the intended pile depth.
– Centrifugal Force: Higher centrifugal force is required for driving piles in denser soils.
For optimal performance, operators should refer to specific charts and guidelines that correlate vibro hammer specifications with soil density and driving depth.
Conclusion
Vibro hammers play a crucial role in modern construction, offering efficient solutions for pile driving and extraction. Understanding the specifications of models like the PTC 50 HD and the OMS series helps contractors select the right tool for their specific project needs. With advancements in technology and hydraulic systems, vibro hammers continue to evolve, enhancing their effectiveness in various construction scenarios.