Offshore vibro replacement construction equipment BJZC-V400-180 electrical bottom feed vibroflot
| The Bottom Feed Electrical Vibroflot Spec. |
| Type | BJZC-BFS-400-180 |
| Power(kW) | 180 |
| Working pile diameter (mm) | 900-1200 |
| System pressure(bar) | 6 |
| Vibration force(kN) | 200-300 |
| Hopper volume(m³) | 1.2 |
| Pipe diameter(mm) | DN250 |
| Control type | Inverter Control |
| Cooling-down method | Circulating water cooling |
| Air flow rate(m³/min) | 10 |
| Vibrator size L/W/H(mm) | 2600×600×700 |
| The bin size L/W/H(mm) | 4800×1300×(1300-1500) |
| Extension tube size L/W/H(mm) | 12000×300×600 |
Profile of Bottom Feed Vibroflotation:
The Bottom Feed vibro-replacement is a special method realized by using bottom feed vibroflotation device, which can fill the stones from the outlet located at the bottom of the vibroflot. It mainly used for under water vibroflotation construction or silt clay soil improvement with non-drainage shear strength less than 20kpa.
Bottom feed method vbroflotation construction need a special vibroflot equipment with bottom feed system to realize. This professional equipment are commonly composed of :
1. Electrical or hydraulic vibroflot system ( vibroflot, damper, extension tube and electrical cabinet )
2. Feeding system ( feeding tube , damper )
3. Stock bin system ( double bin or single bin )
4. Material supply system ( lifting hopper )
5. Controlling system ( Valve controlling , air pressure controlling, material level controlling )
Due to the diversity of engineering condition, bottom feed vibroflot need to be customized for production.
BVEM profile (Beijing vibroflotation engineer machinery co.,ltd)
China first use of 75KW vibrator for the 30-meter depth sand soil treatment(three gorges project)
China first use of hydraulic vibrator for the treatment of the 240-meter chimney foundation
China first use of hydulic vibrator for the treatment of 32m depth foundation of hydraulic power station
The first one in China who treated the base of oil storage tank with a diameter of more than 60m by vibroflotation method
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