Features And Selection Guide For Yc-3 Hydraulic Impact Pile Hammer

A hydraulic impact hammer（YC-3） can be used for large bridge construction when hammer capacity matches pile size, soil resistance, and required penetration. YC-3 provides 36 kNm impact energy, a 3,000 kg ram, and 50/100 blows per minute. Its crane-suspended design also suits foundation work where equipment mobility and positioning are required.

Why Green Construction Matters

Bridge piling near cities, waterways, and protected areas faces limits on noise, vibration, and fluid leakage. A hydraulic pile driving hammer does not eliminate construction impact, but its operating parameters and supporting controls can reduce environmental disturbance.

For marine bridge foundations, an offshore pile driving hammer also requires control of underwater sound and hydraulic-fluid leakage. ISO 18406 covers measurement of underwater sound generated by percussive pile driving.

How Hydraulic Operation Supports Cleaner Piling

A hydraulic impact pile hammer raises a ram with hydraulic pressure before releasing it to strike the pile. The impact cycle can be adjusted according to pile and ground conditions.

Several design measures can reduce site impact:

•  Biodegradable hydraulic oil can reduce environmental risk from accidental leakage.
•  Shut-off valves can limit oil loss during hydraulic faults.
•  Insulation skirts and suitable drive-cap arrangements can reduce transmitted noise.
•  Adjustable blow frequency allows impact energy to match penetration resistance.
•  Crane suspension can improve positioning where access is restricted.

The actual environmental performance still depends on machine setup, maintenance, site controls, and construction conditions.

Noise Control During Bridge Piling

Impact piling generates mechanical and ground-transmitted noise. FHWA identifies hammer type, pile type, and mitigation equipment as factors affecting pile-driving noise.

A practical noise-control plan can include:

1. Select hammer energy according to pile-driving requirements.
2. Avoid unnecessary blow frequency or excessive impact.
3. Install acoustic shielding where nearby receptors require protection.
4. Monitor underwater sound during marine piling.
5. Use mitigation systems such as bubble curtains where applicable.

Bubble curtains can reduce underwater sound transmission around marine piles by introducing controlled air bubbles into the water column.

YC-3 Specifications for Bridge Piling

YC-3 is listed with 36 kNm impact energy, a 1,200 mm working stroke, a 3,000 kg ram, and a 6,000 kg machine weight. Its impact frequency is 50/100 blows per minute.

These figures indicate the machine's operating range, but they do not alone determine bridge-pile suitability. Pile diameter, length, soil profile, required penetration, crane capacity, and allowable vibration should also be assessed.

When an Offshore Pile Driving Hammer Is Required

An offshore pile driving hammer is used when bridge foundations extend into water or require marine piling equipment. Hydraulic systems can accommodate different pile arrangements, including vertical and battered piles, subject to the hammer and project configuration.

An offshore hydraulic impact hammer should also be evaluated against underwater noise limits, marine environmental requirements, and fluid-containment procedures. These factors can affect the selection of hammer type and the construction method.

Before specifying a hydraulic impact hammer, the project should confirm:

1. Pile diameter, length, and material.
2. Soil resistance and expected penetration depth.
3. Required impact energy and blow frequency.
4. Crane capacity and operating radius.
5. Noise, vibration, and underwater sound limits.
6. Hydraulic-fluid containment and maintenance procedures.

A hydraulic pile driving hammer can support lower-impact bridge construction through controlled impact energy, noise reduction, and fluid management.

YC-3 can be considered for bridge piling when its impact energy, ram weight, dimensions, and crane requirements match project conditions.

Actual equipment selection should be based on pile size, soil resistance, penetration depth, and site limits.

Operating Principle

The operating cycle consists of a few parts ram, cylinder, powerpack. It begins with the lifting part of hydraulic cylinder through the energy transmitted from the hydraulic power system. When the hammer ram lifted by the hydraulic cylinder reaches the preset stroke position, the part of piston automatically allows the ram to freely fall under the acceleration of gravity.

And then the hammer ram produces the hitting energy to complete the pile driving process. After impact, the cycle is repeated automatically.

Detailed Introduction

Product Features

ROBUST AND RELIABLE

Solid and simple frame design is the basis for a long working lifetime. Vibration and noise reduction levels are achieved through a special and innovative frame design. Optimal frame weight and balance guarantee high efficiency of the hammer.

STRONG BUT GENTLE

Accurate strokes and balanced hammer block acceleration prevent pile head damage and guarantee a long working lifetime of the hammer.

EASY CONTROL

The ingenious hydraulic and electrical system design allows the impact energy, blow rate and frequency to be easily adjusted according to soil conditions and pile type. YONGAN hammers can also be crane suspended. Different accessories make crane suspension an easy process.

YONGAN HAMMERS ARE GREEN

Hammers are equipped with shut-off valves which prevent oil leakages. Biodegradable oils can be used. All exhaust gas is filtered when YONGAN power packs are used.

NOISE REDUCTION

As a result of sustainable development for a safer and more efficient solution to reduce noise demands, YONGAN has improved structural solutions and accessories, including special drive caps, insulation skirts to significantly reduce noise pollution.

VERSATILITY AND SITES

YONGAN hammers can drive concrete piles, steel piles, straight piles, batter piles, and marine pilings. They are also fit for onshore, offshore, underwater and Wind Power base, bridge construction projects and adapted for all kinds of conditions 

YC-3 Hydraulic Impact Pile Driving Hammer Piling Hammer