Shaanxi Flourish Industrial Co., Ltd.'s Steel Waling System, forged with 18 years of underground construction innovation, redefines load transfer efficiency and structural safety for foundation pits, tunnels, and coastal projects. Unlike flimsy timber waling (≤15kN/m² lateral pressure resistance) and time-consuming welded steel systems, our Q355B full-steel modular solution integrates 50kN/m² pressure-bearing capacity, 35% faster assembly, and 2000h corrosion resistance-cutting project schedules by 25%.
Core Advantages (Underground Construction Specialized Design)
1. High-Efficiency Load Transfer System
Differentiator: Beyond basic pressure distribution-engineered for complex geologies:
Optimized I-Beam Structure: 2.75-4.0mm thick Q355B steel (yield strength 355MPa) with W-shaped reinforcement ribs, enhancing bending modulus by 54x vs. flat steel strips .
Uniform Force Transmission: Distributes 50kN/m² lateral pressure (equivalent to 5m deep soft soil pressure) evenly to struts, controlling structural deformation within 3mm .
Geology Adaptability: Effective for coastal mudflats (like Xiamen Binhai East Road Bridge project ), sandy soils, and rocky formations-supports 300-800mm strut spacing .
Real Data: A 12m-deep foundation pit in Quanzhou Jinyu Bridge used 3 layers of our waling system, withstanding tidal water pressure and ensuring zero collapse risks during concrete pouring .
2. Rapid Assembly & Disassembly
Differentiator: Solving the inefficiency of welded systems:
Quick-Lock Connection: Patent-pending camlock joints (installation time <1min per unit) cut assembly time by 35% vs. welded types-2 workers complete 100m installation in 4 hours .
Tool-Free Operation: No welding or cutting required on-site, reducing noise pollution and avoiding fire hazards .
Modular Extension: Standard lengths (1.1-5.0m) with telescopic connectors, adapting to irregular pit shapes without custom fabrication .
Cost Benefit: Saves 20% labor costs vs. traditional timber-steel composite systems .
3. Superior Durability & Longevity
Differentiator: Outperforming corrosion-prone conventional steel:
Dual Anti-Corrosion Treatment: 85μm hot-dip galvanizing + electrophoretic coating, passing 2000h salt-spray test (ASTM B117) -suitable for coastal and underground water-rich environments .
High Reusability: 300+ reuse cycles (6-7 project turns ) with minimal maintenance, reducing amortized cost to $8/m² .
Impact Resistance: Welded joints using CO₂ shielded welding (tensile strength 8.8 grade) withstand accidental collisions during excavation .
Lifespan Comparison: 15-year service life vs. 3-year lifespan of timber waling .
4. Green & Cost-Efficient
Differentiator: Aligning with "steel replacing wood" environmental trends :
Eco-Friendly Alternative: Replaces 10m³ of timber per 100m waling system, reducing deforestation and on-site sawdust pollution .
Low Transportation Cost: Lightweight modular design (28kg/m) fits 200m units in a 10m container-40% more efficient than bulk steel profiles .
Maintenance Savings: No regular painting required; simple rust removal with wire brush extends service life .
Product Specifications (vs. Competitors)
|
Parameter |
Steel Waling System |
Timber-Steel Composite Waling |
Traditional Welded Steel Waling |
|
Material |
Q355B full steel |
Timber + thin steel plate |
Q235 steel |
|
Lateral Pressure Resistance |
50kN/m² |
≤15kN/m² |
35kN/m² |
|
Assembly Speed |
25m/h |
10m/h |
15m/h |
|
Corrosion Resistance |
2000h salt-spray |
300h salt-spray |
1000h salt-spray |
|
Reuse Cycles |
300+ times |
5-8 times |
50+ times |
|
5-Year Cost per Meter |
$40 |
$120 |
$80 |
|
Environmental Impact |
Low (recyclable) |
High (disposable) |
Medium (high energy for welding) |
Core Components & Technical Details
1. Main Waling Beam (Structural Core)
Spec: 180-295mm width, 2.75-4.0mm thickness, 1100-5000mm length .
Material: Q355B steel (elongation ≥20%, impact toughness ≥34J at -20℃) .
Feature: W-shaped cross-section, 30×60mm bolt holes (matches standard strut connectors) .
Surface Treatment: 85μm hot-dip galvanizing + electrophoretic coating .
2. Quick-Lock Connector (Assembly Core)
Spec: High-strength cast steel (tensile strength 450MPa) .
Design: Camlock mechanism with safety latch (auto-locks when tightened) .
Installation: Manual operation (no tools needed), rotation angle ≤90° .
Load Capacity: 100kN per connector .
3. Reinforcement Accessories
End Plates: 10mm thick steel plates (welded to beam ends, prevents lateral displacement) .
Corner Joints: 90° adjustable connectors (for pit corners, angle range 60-120°) .
Anti-Slip Pads: Rubber pads (thickness 5mm, increases friction with retaining walls) .
FAQ
1. How is it different from timber-steel composite waling?
Timber-steel composite waling has low pressure resistance (≤15kN/m²) and short lifespan (5-8 uses), unsuitable for deep pits. Our full-steel system handles 50kN/m² pressure, reuses 300+ times, and avoids timber decay-ideal for long-term or heavy-load projects .
2. Does it comply with international safety standards?
Yes-certified to JGJ 130-2011 (China), BS 5950 (UK), and ASTM A36 (USA). Its W-shaped structure and quick-lock safety latches ensure 100% inspection pass rate in high-risk underground projects .
3. What's the maximum applicable pit depth?
Optimized for 5-20m deep pits. For ultra-deep pits (>20m), we recommend combining with our high-strength steel struts-providing integrated load-bearing solutions .
4. MOQ and delivery time?
MOQ is 50m (covers 200m² pit area). Standard orders ship in 3-5 days; custom lengths (＞5m) take 7-10 days. Free on-site installation training and 2-year warranty included .
Choose Shaanxi Flourish's Steel Waling System-strong, efficient, and built for underground challenges-turn complex foundation projects into on-time, on-budget successes!
