1、Ns Vacuum preloading
Ns vacuum preloading is a overall upgrade version that compare with traditional vacuum preloading.
Improve the seal、drainage and vacuum of traditional vacuum preloading
1.Pore water pressure be lowered incessantly.
2.Effective pressure be increased incessantly.
3.The speed of densification and consolidation be increased.
4.The bearing capacity of soil mass be enhanced.
5.Post-construction settlement and differential settlement be decreased numerously.
2、Moisture Separation Vacuum Preloading
1.new invention patent
2. moisture separate automatically, prevent from water-air mixture destroy the vacuum environment which in negative pressure cavity.
3.Enhancing the efficiency of soft soil improvement effectively, cost saving,improve the quality,shorten construction period,decrease energy consumption.
There are 5 advantage that compare with traditional vacuum preloading
1.Enhance the usage rate of energy
enhance work performance and get more guarantee in project quality.
2. better construction quality
In the diaphragm seal, the negative pressure of vacuum can be reach -85kpa~-90kpa, and the effect of vacuum negative pressure and moisture transmit be better. In addition, the sedimentation rate、moisture content and bearing capacity etc that in soft soil improvement are better than other vacuum preloading obviously.
3. shorten construction period
The construction period can be shortened 1/3 that compare with traditional vacuum preloding
4. more convenient to handle and manage in construction
Adopt vice-vacuum pump to be spare vacuum pump, And that adopt automatic control system in the dead load preloading,make construction more controllable,management more accurate.
5. More safety
Soft foundation treatment division only need to path a strip of cable, install one electric cabinet, which avoid the disorderly cable in traditional vacuum preloading,and more safety to satisfy with electricity demand.