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BEIHAI YUEDA FRP PRODUCTS
What are the advantages of fiberglass reinforced sand pipes?
Release time:
2022/02/05
Currently, there is a wide variety of pipe materials used in drainage pipeline projects in our country. Especially in recent years, new types of pipes have been successfully applied in drainage engineering. Based on the characteristics of the project and combined with actual conditions, fiberglass reinforced sand pipes are selected as the jacking pipe material, which has the following advantages.
Currently, there are a variety of pipe materials used in drainage pipeline projects in our country, especially in recent years, new types of pipes have been successfully applied in drainage projects. Based on the characteristics of the project and combined with actual conditions, selectglass fiber reinforced sand pipeas the jacking material, which has the following advantages.
1.glass fiber reinforced sand pipeThe inner lining is made of reinforced resin, which has strong corrosion resistance. Different resins can be selected according to different environments and transmission media, making its corrosion resistance flexible. It can resist the erosion of acids, alkalis, seawater, untreated sewage, corrosive soil or groundwater, and various chemical liquids, and it does not rust, requiring no additional protective layer. The excellent corrosion resistance of glass fiber reinforced sand pipes allows for a service life of up to 50 years without maintenance. Generally, the service life of reinforced concrete pipes is 5 to 10 years, and that of steel pipes is about 15 years.
2.glass fiber reinforced sand pipeThe inner surface is dense and smooth, with a low friction coefficient of about 0.0084, which is much lower than that of steel pipes and concrete pipes, thus having good hydraulic characteristics, significantly reducing pressure loss of fluids along the pipe, and improving transport capacity. Its outer surface is also very smooth, which can significantly reduce friction resistance during the jacking process.
3.glass fiber reinforced sand pipeLightweight and high strength. For pipes of the same diameter,glass fiber reinforced sand pipeonly 2/5 of carbon steel pipes,1/80 of reinforced concrete pipes, but its circumferential tensile strength and axial tensile strength are both high, similar to alloy steel, thereforeglass fiber reinforced sand pipetransportation and installation are relatively convenient, which can effectively overcome the disadvantages of using reinforced concrete pipes in long-distance and curved jacking construction.
4.glass fiber reinforced sand pipeDue to the smooth outer wall, thin wall, light weight, and high strength, it is easy to correct deviations during the jacking process. Moreover, if it is in low-resistance soil layers such as sandy soil, soil can be used for jacking, but reinforced concrete pipes cannot use soil for jacking.
5.glass fiber reinforced sand pipeTransportation and construction are convenient, with incomparable advantages such as lightweight, smooth outer wall, and easy jacking, as well as corrosion resistance and stable performance. Therefore, technically, glass fiber reinforced sand pipes have a good development prospect as drainage jacking pipes.
glass fiber reinforced sand pipeIt has excellent wear resistance, and tests have shown that water containing a large amount of mud and sand was placed in the pipe for rotational wear impact comparison tests.After 3 million revolutions, the wear depth of the inner wall of the pipe was: tar-coated steel pipe was 0.53 mm; surface-hardened steel pipe was 0.48 mm;the wear depth of the sand-reinforced pipewas0.21 mm, indicating thatglass fiber reinforced sand pipeits wear resistance is very good. If a modifier is added to the resin,glass fiber reinforced sand pipeits wear resistance will increase several times.
The above are some knowledge points aboutglass fiber reinforced sand pipeI hope it can help everyone.
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