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Utility Tunnel Construction
Wangzu
TC
Product Advantages：
| Feature | Plastic Arch Formwork | Wood Formwork | Steel Formwork |
| Material | High-strength engineering PP or ABS composite | Solid wood, easy to crack/rot, high water absorption | Heavy steel, prone to rust, poor corrosion resistance |
| Construction | Lightweight for manual handling, no heavy machinery required; interlocking design for zero slurry leakage, fast modular assembly for tunnel structures | Needs on-site cutting and nailing, joints leak easily, high damage rate, labor-intensive | Extremely heavy, requires lifting equipment, complex bracing, low construction efficiency |
| Reusability | ≥100 times under normal construction, consistent performance across cycles | 5-8 times, prone to damage and deformation after use | 30-50 times, high risk of deformation and fatigue damage |
| Surface Finish | Smooth, high-precision forming, no secondary plastering required | Rough, uneven surface, mandatory plastering and grinding | Smooth but prone to rust stains, requires surface treatment |
| Water Resistance | Excellent, zero water absorption, no swelling or rotting | Poor, high water absorption, easy to rot and deform | Good but prone to corrosion, requires regular anti-rust treatment |
| Overall Cost Performance | Excellent, lowest total cost of ownership (TCO) | Poor, high long-term material and labor cost | Medium, high upfront and maintenance cost |
| Supporting Services | Complete set of matching accessories + professional technical support | No supporting accessories or technical services | Simple accessories, no professional technical support |
| Modularity | Full accessories, freely splicable, highly adaptable to complex structures | Fixed size, no standard modular system, poor adaptability | Standard panels, heavy, limited splicing flexibility |
| Eco-Friendly | 100% recyclable, no construction waste | 100% recyclable, no construction waste | Recyclable but high production energy cost |
| Technical Parameters | Specification | Description |
| Material | High-strength engineering PP or ABS | Impact-resistant rigid plastic specially formulated for underground tunnel moisture and side pressure conditions |
| Application | Municipal buried utility corridor tunnel | Mainly single-cell, dual-cell comprehensive pipe gallery, culvert and underground linear cast-in-place structure |
| Standard Modular Size | Full modular size series for tunnel use | Contains wall vertical panels, top arch/flat panels, middle partition panels; pictures show partial sizes, full customization available |
| Load Bearing Capacity | Excellent load-bearing performance | High structural rigidity, strong side pressure resistance, no bulging or deformation during concrete pouring |
| Surface Type | Smooth anti-adhesion tunnel finish surface | No mortar adhesion, easy demoulding; reduces tunnel inner wall post-finish repair work |
| Temperature Resistance | -20℃ to 60℃ | Wide operating temperature range, suitable for cold, temperate and hot climate construction |
| Splicing Accuracy | High splicing precision | Tight splicing to prevent slurry leakage, ensure structural accuracy and reduce rework |
| Accessory System | Complete full set of accessories | Partition connecting blocks, tunnel wall locking parts, height adjusting supports, handling grips, closing positioning components |
| MOQ | 100㎡, trial order negotiable | Flexible MOQ policy to support small-scale trial projects and large-scale bulk orders |
| Lead Time | 7-15 days for customized | Stable production, can match project schedule |
Utility Tunnel
Utility Tunnel
Utility Tunnel
Utility Tunnel
Stable Straightness for Long Linear Tunnel Segments
High-precision modular splicing ensures strict linear straightness control for extended utility corridor sections, preventing staggered joints, displacement and deflection in long-distance pouring.
Strong Anti-Bulging Under Deep Soil Lateral Pressure
Reinforced internal grid structure effectively resists large soil lateral pressure and dynamic concrete impact in deep buried pipe galleries, maintaining stable wall thickness without deformation.
Fast Cycle Casting for Standard Tunnel Sections
Lightweight panel + complete lock accessory system accelerates assembly and integral demoulding, greatly improving turnover efficiency for repeated standard segments in long linear projects.
Smooth Inner Wall Reduces Post Finishing Work
Non-stick smooth forming surface delivers flat tunnel inner walls with minimal bubbles, eliminating heavy plastering and reducing long-term renovation workload inside the corridor.
Durable for Multi-Segment Repeated Circulation
High impact resistance and corrosion stability support ≥100 reuse cycles for continuous multi-section pipe gallery construction, lowering overall material consumption in large municipal projects.
Adaptable to Harsh Underground Humid Environments
Excellent waterproof, anti-leaching and anti-aging performance resists groundwater immersion and alkaline soil corrosion, suitable for long-term buried pipe gallery service life requirements.
Q1: Are you a factory or trading company?
A1: We are a factory.
A2: You can send us your project structural drawing or material list for a quotation. Our engineer team will provide you with a professional formwork solution.
Q3: What are your payment terms?
A3: We accept T/T or L/C at sight. 30% deposit to start production, balance to be paid before shipment when goods are ready.
A4: Normally 15–20 days after receiving the deposit. During busy season (August, September, October), it will be 25–30 days.
A5: Our products are usually packed in bulk or on pallets, suitable for container transportation.
A6: Yes, we guarantee product quality. If necessary, you can arrange a third-party company to inspect the goods in our factory.
A7: We can provide comprehensive services including design, production, delivery and after-sales support, together with good product quality and reasonable prices.
A8: Yes, we are looking for agents and distributors worldwide based on win-win cooperation.
