plastic film shed,simple film greenhouse and Low-cost are lightweight structure with UV-resistant polyethylene covering. Provides frost protection, humidity control, and season extension for crops. Easy assembly, good light transmission (85-90%), suitable for small farms and nurseries. 1-3 year lifespan.cost-effective structure featuring a linkage arch-shaped film greenhouse and ecological agriculture film greenhouse design with high-strength plastic film covering. The linkage connection system enhances stability, supporting heavy snow/wind loads. Provides excellent light transmission (90%), efficient ventilation, and extended growing seasons.
Linked Arch-shaped Agricultural Plastic Film Greenhouse
1. Executive Summary of plastic film shed,simple film greenhouse,ecological agriculture film greenhouse,linkage arch-shaped film greenhouse and ecological agriculture film greenhouse
The Linked Arch-shaped Agricultural Plastic Film Greenhouse represents an innovative advancement in modern protected agriculture, combining structural durability, climate control efficiency, and cost-effective construction. Designed for commercial-scale farming operations, this greenhouse system utilizes interconnected arched bays to create expansive yet stable growing environments optimized for vegetable production, floriculture, and nursery cultivation.
This 3000-word technical manual provides complete documentation of:
Structural engineering principles
Material science specifications
Environmental management systems
Crop performance data
Economic analysis
Field tests demonstrate 23-35% higher yields compared to conventional tunnel greenhouses, with 40% lower construction costs than glasshouse alternatives.
2. Structural Engineering of plastic film shed,simple film greenhouse,ecological agriculture film greenhouse,linkage arch-shaped film greenhouse and ecological agriculture film greenhouse
2.1 Arch Geometry Design
Precision-calculated curvature (6m radius standard)
Optimized for snow shedding (45° roof angle)
Wind load coefficient: 0.3 (vs 0.8 for gable roofs)
Linked bay configuration
4-12m individual spans
Unlimited length expansion
Shared load-bearing between arches
2.2 Framework Specifications
| Component | Material | Performance Standard |
|---|---|---|
| Primary Arches | Galvanized steel (Φ32×1.2mm) | ISO 1461 (85μm zinc) |
| Purlin System | Aluminum alloy 6063-T5 | 35kg/m² load capacity |
| Foundation | Concrete piers (40×40cm) | Frost depth +20cm |
2.3 Structural Performance
Snow load: 50kg/m² (0.5kN/m²)
Wind resistance: 120km/h (33m/s)
Earthquake rating: 7.0 magnitude
Service life: 15+ years
3. Cladding System of plastic film shed,simple film greenhouse,ecological agriculture film greenhouse,linkage arch-shaped film greenhouse and ecological agriculture film greenhouse
3.1 Advanced Plastic Film
5-layer co-extruded PO film:
Outer: UV-stabilized (5-year warranty)
Middle: EVA anti-drip layer
Inner: IR-blocking (85% retention)
Technical parameters:
Thickness: 0.12-0.15mm
Light transmission: 91% PAR
Haze: 35% (optimal diffusion)
U-value: 3.1 W/(m²·K)
3.2 Film Installation Technology
Tensioned double-channel system
Automatic film winder for seasonal replacement
Anti-tear reinforcement at connection points
4. Environmental Control of plastic film shed,simple film greenhouse,ecological agriculture film greenhouse,linkage arch-shaped film greenhouse and ecological agriculture film greenhouse
4.1 Ventilation Systems
Roof vents (25% of floor area)
Linkage-operated
90-second full opening
Side roll-up curtains
1.5m height
Insect screen options
4.2 Temperature Management
Passive systems:
Thermal screens (R-value 1.6)
Water tube heat storage
Active systems:
Air heaters (30,000kcal/h)
Fog cooling (5μm droplets)
4.3 Smart Monitoring
Wireless sensor network:
Air/soil temperature
Relative humidity
CO₂ concentration
Solar radiation
5. Agricultural Performance of plastic film shed,simple film greenhouse,ecological agriculture film greenhouse,linkage arch-shaped film greenhouse and ecological agriculture film greenhouse
5.1 Crop Trials Data
| Crop | Yield Increase | Quality Improvement |
|---|---|---|
| Tomatoes | +28% | 20% higher brix |
| Cucumbers | +35% | 30% straighter fruit |
| Lettuce | +40% | 25% less tipburn |
| Strawberries | +33% | 15% larger size |
5.2 Climate Parameters
| Season | Day Temp (°C) | Night Temp (°C) | RH Range |
|---|---|---|---|
| Winter | 18-22 | 12-15 | 60-75% |
| Summer | 24-28 | 18-21 | 65-80% |
6. Installation & Maintenance of plastic film shed,simple film greenhouse
6.1 Construction Process
Site preparation (3 days)
Leveling
Drainage system
Framework assembly (5-7 days)
Arch connection
Purlin installation
Film covering (2 days)
Tensioning
Edge sealing
6.2 Maintenance Schedule
Daily: Ventilation adjustment
Weekly: Film cleaning
Monthly: Structural inspection
Annual: Film replacement
7. Economic Analysis of plastic film shed,simple film greenhouse
7.1 Cost Structure
| Component | Cost (USD/m²) | Lifespan |
|---|---|---|
| Structure | $12 | 15 years |
| Film | $2.5 | 5 years |
| Systems | $8 | 10 years |
7.2 ROI Calculation
Yield value: $35/m²/year
Energy cost: $4.2/m²/year
Payback period: 1.8 years
8. Case Studies
8.1 Vegetable Farm (Shandong, China)
Area: 2.4 hectares
Results:
32% yield increase
28% water saving
5-month season extension
8.2 Flower Nursery (Netherlands)
Achievements:
40% faster growth
99% storm survival
30% energy reduction
9. Technological Innovations
9.1 Next-Gen Films
Self-cleaning nanocoatings
Light-spectrum adjusting additives
Biodegradable materials
9.2 Automation Upgrades of plastic film shed
Robotic harvesters
AI climate control
Drone monitoring
10. Conclusion plastic film shed
The Linked Arch-shaped Agricultural Plastic Film Greenhouse delivers:
Superior structural performance
Precision climate control
Exceptional economic value
