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Port container yards are crucial areas for container transshipment, storage, and dispatch, placing extremely high demands on foundation bearing capacity and flatness. Since they often carry large numbers of heavy containers and large machinery, the foundation must possess high strength and stability. During construction, hard rock formations, old concrete structures, or heterogeneous soil layers often need to be addressed. Traditional blasting and large-scale mechanical cutting pose safety risks and are inefficient. Excavator hydraulic breakers demonstrate significant advantages in such projects and have become a vital piece of equipment for yard foundation construction.

Advantages and Features

1. Efficient Breaking of Hard Layers

They can quickly break rock formations, old pile foundations, and concrete layers, reducing the workload of large-scale mechanical excavation.

2. Precise Control of the Operating Range

They can perform localized crushing within a limited space without affecting the integrity of the existing area or subsequent operations.

3. Adaptability to Diverse Geological Conditions

Breakers can efficiently operate in complex strata such as reclaimed land foundations, mixed fill layers, and interspersed rock masses.

4. Environmentally Friendly and Safe

No blasting is required, reducing the risk of vibration and noise during construction and avoiding any adverse impacts on surrounding port facilities, warehouses, and ships in port.

5. Smooth Integration with Subsequent Processes

Crushed gravel and concrete blocks are easy to clean and reuse, and can be directly used for compaction or refilling.

Application Scenarios

1. Yard Foundation Leveling

When the yard foundation contains protruding boulders or hard rock formations, the breaker hammer can crush them point by point, leveling the foundation surface and meeting the operating requirements of the stacking equipment.

2. Existing Structure Removal

During port expansion or yard renovation, abandoned roads, dock debris, and old warehouse foundations often need to be demolished. The breaker hammer can precisely remove and quickly clear the foundation.

3. Pile Foundation Obstacle Removal

When encountering abandoned pile heads or substandard pile bodies during foundation construction, the breaker hammer can crush them at specific locations, ensuring smooth installation of the new pile foundation.

4. Drainage System Construction Coordination

The yard requires a comprehensive drainage system. Hammer breakers can be used to excavate trenches and break down hard obstructions, creating conditions for pipeline network installation.

5. Foundation Reinforcement

Before reinforcing the soft foundation, hammer breakers are used to break down the hard surface overburden, enabling subsequent reinforcement processes such as backfilling and compaction to proceed smoothly.

Construction Precautions

Equipment Selection: Optimize hammer specifications based on the yard area and foundation hardness to ensure a balance between efficiency and cost.

Safety Management: A barrier should be established in the work area to prevent splashing debris from injuring personnel and equipment.

Construction Organization: Rationally arrange the crushing and slag removal processes to prevent accumulation of debris that could impact subsequent compaction operations.

Environmental Protection Measures: As the yard is located near water, noise and dust emissions should be controlled to avoid impacting the port's operating environment.

Excavator hydraulic breakers, with their advantages of efficient crushing, precise construction, and environmental safety, effectively address the challenges of complex foundation treatment and demolition of old structures in port container yard infrastructure construction. This not only improves construction quality and efficiency, but also provides a solid foundation for the improvement of port logistics capabilities. As the modernization of port facilities accelerates, the application value of breakers will become more prominent.