Selecting the right tunnel lining formwork system is a critical decision that directly impacts project timeline, безопасность, and final quality. With increasing demands for faster construction cycles, higher concrete finish standards, and stricter safety regulations, modern systems must go beyond basic steel frames. This article examines the five must-have features that define state-of-the-art tunnel lining formwork systems. Whether you are evaluating suppliers or upgrading existing equipment, these technical characteristics help you differentiate between conventional solutions and truly advanced engineering. Гаофэй has integrated these features into its latest product lines, offering measurable benefits for medium and large-scale tunneling projects.
1. Intelligent Hydraulic Self-Advancing Mechanism
The most time-consuming phase in tunnel lining is the repositioning of formwork from one pour to the next. Traditional crane-assisted movement often takes 6–8 hours per cycle. Modern systems now incorporate hydraulic self-advancing technology that reduces this to under 90 минуты.
Integrated Traveling Carriage
A self-contained traveling carriage with hydraulic cylinders allows the entire formwork assembly to move forward along the tunnel invert without external lifting equipment. Гаофэй designs these carriages with fail-safe braking mechanisms and incremental position sensors, ensuring millimeter-level accuracy during repositioning.
Automated Locking Sequence
Advanced systems sequence the retraction of side panels, lowering of the roof form, and horizontal travel through a single PLC controller. This eliminates misalignment risks and reduces operator training requirements. The hydraulic system should operate at minimal noise levels (ниже 75 дБ) to comply with tunnel working environment regulations.
2. High-Strength Lightweight Aluminum-Steel Hybrid Frame
Weight reduction without compromising load capacity is a persistent challenge. A hybrid construction using high-strength aluminum alloys for non-structural panels and steel for main trusses offers the best balance. Gaofei’s modular frames achieve a 35% weight reduction compared to all-steel designs while maintaining a concrete pressure capacity of up to 80 кН/м².
Fatigue-Resistant Joint Design
Welded joints are replaced with bolted connection nodes that can withstand 10,000+ assembly/disassembly cycles. Each node features a torque-indicating washer for rapid visual inspection. This design also simplifies site modifications when tunnel cross-section changes occur.
…
For more detailed information on the five essential functions of a modern tunnel lining formwork system, пожалуйста, нажмите, чтобы посетить: https://www.gf-bridge-tunnel.com/a/blog/tunnel-lining-features.html
