Project Background
A major high-speed railway construction project in Central Asia required comprehensive ground improvement for bridge approach embankments and track foundation areas. The challenging geotechnical conditions included soft clayey soils with limited bearing capacity, necessitating ground improvement to support high-speed train loads and ensure long-term track stability.
Technical Challenges
- Soil Conditions: Soft to medium-stiff clay with thickness up to 18 meters
- Load Requirements: Dynamic train loads up to 250 kN per axle
- Settlement Control: Maximum permissible settlement of 15mm under design loads
- Construction Timeline: Strict completion deadlines for rail line opening
- Quality Standards: International railway foundation specifications and safety requirements
APIE Vibro Replacement Solution
noastre vibroflot stone column technology was selected as the optimal ground improvement method, combining deep vibratory compaction with stone column installation for enhanced load-bearing capacity.
Vibroflot System Configuration
- Equipment Model: APIE VR-75 Vibroflot with stone column installation capability
- Power Supply: 100 kW diesel generator with frequency control
- Stone Column Diameter: 0.6-0.8 meters
- Column Spacing: 2.0-2.5 meters triangular pattern
- Treatment Depth: 12-18 meters based on soil conditions
Construction Methodology
- Vibroflot Insertion: Deep vibroflot penetration to design depth
- Soil Displacement: Vibro replacement using gravel/crushed stone backfill
- Compaction Control: Real-time monitoring of stone compaction and column formation
- Quality Verification: Post-installation load testing and column integrity checks
Performance Outcomes
The vibroflot stone column installation achieved outstanding results:
- Bearing Capacity: Increased from 80 kPa to 280+ kPa
- Settlement Reduction: 90% reduction in anticipated settlements
- Construction Speed: 50 stone columns per day per vibroflot unit
- Cost Efficiency: 35% savings compared to pile foundation alternatives
- Durability: Long-term performance validation through monitoring systems
Technical Innovation Highlights
- Smart Stone Placement: Automated stone feed system for consistent column quality
- Vibration Optimization: Frequency modulation for different soil layers
- Real-Time Monitoring: Digital tracking of compaction parameters and column formation
- Environmental Control: Dust suppression systems and noise reduction measures
Sustainability Benefits
- Material Efficiency: Optimized stone usage reduces material consumption by 20%
- Carbon Footprint: Lower CO2 emissions compared to alternative foundation methods
- Resource Conservation: Utilization of locally available stone materials
- Long-Term Durability: Minimal maintenance requirements and extended service life
Project Specifications
| Parameter | Valoare | Achievement |
|---|---|---|
| Total Treatment Area | 32,000 m² | 100% coverage |
| Stone Columns Installed | 4,500 columns | 98% first-time quality |
| Average Production Rate | 45 columns/day | 12% above target |
| Bearing Capacity Increase | 250% | Exceeds requirements |
| Project Duration | 90 days | Completed 10 days early |
Client Satisfaction
*“APIE’s vibroflot technology demonstrated exceptional reliability and efficiency. The technical team’s expertise in soil improvement and their commitment to quality assurance made this project a success. The ground improvement performance has exceeded our engineering specifications.”* – Chief Engineer, Railway Construction Authority
Why Choose APIE Vibroflot Solutions?
Advanced Technology: State-of-the-art vibro compaction and vibro replacement equipment
Technical Expertise: Experienced engineering team with global project experience
Comprehensive Support: From initial design to final verification and maintenance
Quality Assurance: Rigorous testing and monitoring throughout project execution
Cost-Effective: Optimized solutions delivering maximum value and performance
Ready for Ground Improvement Excellence?
Contact APIE FOUNDATION EQUIPMENT (CHINA) LIMITED for expert vibroflot solutions:
- Technical Consultation: apie@apiepiling.com
- Direct Communication: +86 189 2128 7030 (WhatsApp available)
- Product Information:https://www.apiepiling.com/