Resin mixing tube specifications
● Small construction area, reducing road traffic pressure
The micro-pipe jacking working and receiving shafts utilize steel cylindrical caissons. The working shaft diameter is 2.1-2.6 meters, and the receiving shaft diameter is 2.1 meters. Construction is carried out using the shaking pipe method. Unless otherwise specified, the construction period for a single caisson does not exceed 48 hours, minimizing impact on roads and the surrounding environment. This method eliminates the complex construction process, large footprint, and long maintenance period associated with traditional concrete caissons, while significantly reducing construction costs.
● Production of Resin Concrete Micro-Pipe Jacking
Our company produces resin concrete micro-pipe jacking, a method in which a uniform mixture of resin and granular materials, such as quartz sand, is poured between the inner and outer layers of vertically positioned glass fiber reinforced plastic. Vibration is then used to compact the mixture, forming the pipe. Resin concrete micro-pipe jacking has been used for 50 years in Europe, America, Japan, Singapore, and Taiwan.
● Scope of Application of Resin Concrete Micro-Pipe Jacking
Micro-pipe jacking generally refers to pipes with a diameter of 800 meters, where human access is not possible. Due to its comprehensive advantages, such as accurate elevation control and no risk of settlement caused by expansion, micro-pipe jacking has become a popular alternative to traditional drag pipes in the stormwater and sewage sectors. It is also widely used in various fields, including water, gas, cables, and communications. As micro-pipe jacking technology matures, existing micro-pipe jacking techniques have been extended to medium- and large-diameter jacking pipes (<1500mm).
● Resin concrete micro-pipes are lightweight and enable accurate and rapid installation.
Resin concrete micro-pipes are lightweight, weighing only one-third of traditional concrete jacking pipes of the same diameter, making them easy to correct during installation. The smooth fiberglass outer layer of the pipe provides low friction and enables rapid installation. This lightweight and smooth pipe reduces transportation, lifting, excavation, and installation costs, significantly shortening completion time.
● Resin concrete micro-pipes offer superior waterproofing and a high pressure resistance index.
The inner and outer fiberglass layers of resin concrete micro-pipes are dense and smooth, with virtually zero water absorption. The water absorption rate of traditional concrete is 4-6%, so when the resin concrete micro-jacking pipe is used as a pressure pipe, the product will not leak or seep water and has good waterproof performance.
● Specifications of resin concrete micro pipe jacking
Inner diameter(mm) | Ring stiffness(N/m2) | Allowable top force(Kn) |
300 | 200000 | 600 |
400 | 200000 | 1000 |
500 | 200000 | 1500 |
600 | 200000 | 1800 |
800 | 200000 | 3000 |
1000 | 200000 | 4500 |
Note: Standard pipe length is 1m. Special pipe lengths can be customized according to working conditions.
● Technical parameters of resin concrete micro-pipe jacking
Specifications | Parameter |
Initial axial compressive strength | >900Mpa |
Elastic modulus | 4000-5000Mpa |
Linear thermal expansion coefficient | (1-1.5)X 10-5mm/mm℃ |
Comprehensive friction resistance | 1-1.5Kpa |
Corrosion resistance | PH1-10 |
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