Tunnel Shotcrete Machine – AA 020 Overview
The Tunnel Shotcrete Machine AA 020 Genuine Piccola is a compact, durable, and high-performance solution designed specifically for tunnel construction, underground support, and rock stabilization applications. Built for precision, reliability, and continuous operation, this machine delivers a consistent output range of 0 to 6 tons per hour, making it ideal for road tunnels, railway tunnels, hydropower tunnels, and underground infrastructure projects.
The Blastcrete Genuine Piccola is engineered with a heavy-duty gearbox system powered by a 5 HP electric motor, 16 AM Gast air motor, or optional 13 HP Honda gasoline engine, ensuring stable and efficient performance in demanding tunnel environments.
Why Choose Tunnel Shotcrete Machine – AA 020 Genuine Piccola?
The AA 020 Genuine Piccola Tunnel Shotcrete Machine is widely used in tunnel construction due to its compact size, reliability, and precise material control. It is designed to perform efficiently in confined underground working conditions where consistency and safety are critical.
Key Advantages
Output capacity of 0–6 tons per hour
Precise material output control system
Heavy-duty industrial gearbox for long service life
Compact design ideal for tunnel access
Low maintenance and operating costs
Forklift pickup for easy transport and positioning
Recommended by major refractory material manufacturers
These features make it a dependable solution for tunnel shotcrete and ground support operations.
Standard Features
The AA 020 Genuine Piccola includes tunnel-grade features designed for underground construction environments:
Simple Piccola single-point clamping system
Precise and adjustable material output control
Heavy-duty rotor assembly for continuous operation
Rugged steel construction for harsh environments
Forklift pickup for easy handling in tunnel sites
Quick maintenance access to reduce downtime
These features ensure stable and consistent operation even in challenging tunnel conditions.
Power Options
The Tunnel Shotcrete Machine is available with flexible power configurations:
5 HP Electric Motor (240V or 480V, 3-Phase)
16 AM Gast Air Motor
13 HP Honda Gasoline Engine
This flexibility allows operation in active tunnel construction sites, underground chambers, and remote infrastructure projects.
Optional Equipment
The AA 020 Genuine Piccola can be customized with several optional accessories:
Skid-mounted frame with forklift pickup
12 Hole Round Half Rotor
12 Hole Round Full Rotor
9 Hole Round Full Rotor
12 Hole Sector Full Rotor
Hydrostatic Predampener
Water Booster Pump
These options allow adaptation to different shotcrete materials and tunnel geology conditions.
Technical Specifications
Specification Details
Model AA 020 Genuine Piccola
Machine Type Tunnel Shotcrete Machine
Material Output 0–6 Tons per Hour
Air Requirement 250–600 CFM (Depending on Power Option)
Outlet Connection 1.5-Inch Connection Cup
Maximum Aggregate Size 3/4 Inch
Mounting Solid Rubber Tires
Estimated Wear Pad Life Approximately 200 Tons
Dimensions 50 × 34 × 52 Inches
Weight 1,250 lbs
Applications in Tunnel Construction
The AA 020 Genuine Piccola Tunnel Shotcrete Machine is widely used in underground infrastructure projects, including:
Road tunnel construction
Railway tunnel lining and support
Hydropower tunnel stabilization
Underground metro systems
Mining tunnel reinforcement
Emergency tunnel repair work
Rock face stabilization
Shaft and adit construction
Its compact design ensures efficient operation in narrow and restricted tunnel environments.
Precision Material Control
A key advantage of the AA 020 Genuine Piccola is its precise material output control system, which allows operators to regulate shotcrete flow for optimal tunnel lining results. This ensures:
Uniform shotcrete application
Reduced rebound and material waste
Improved structural strength
Higher operational efficiency
This precision is essential for safe and durable tunnel construction.
Built for Underground Durability
The AA 020 Genuine Piccola is engineered with heavy-duty components designed for continuous operation in harsh tunnel environments. Its robust gearbox and rotor system ensure long-lasting performance under demanding conditions.
With an estimated wear pad life of approximately 200 tons, the machine provides excellent durability and reduced maintenance costs.
Why Choose AA 020 Tunnel Shotcrete Machine?
Construction professionals prefer this machine because it delivers:
Reliable tunnel performance
Easy operation and maintenance
Flexible power options
Strong and durable construction
Consistent material output
Cost-effective operation
Proven long-term reliability
These advantages make it a trusted solution for tunnel shotcrete applications worldwide.
Tunnel Shotcrete Machine AA 020 Genuine Piccola for Underground Construction
