-Biaxial Pipes
Raw materials, production techniques and properties of biaxial pipes could be different from underground pipes based on pipe applications. Biaxial pipes are made to resist forces in axial direction as well as circumferential direction. Therefore they are much stronger than pipes for underground purposes. Some physical characteristics of these pipes are mentioned below.
Biaxial pipes can be connected with eachother by using combicouplings, by using restrained couplings or by butt-wrap joints.
-Stress Analysis Considerations
In most of aboveground biaxial pipe installations, joints are monoblock bound together to resist tensile forces acting on each pipe due to internal pressure. In these cases, thermal stresses are more effective than stresses related to weight and pressure. Thermal expansion coefficient of GRP pipes is nearly two times of steel pipes. But modulus of elasticity of GRP is less than steel. Thus, thermal load would be reduced. For compensating thermal expansion, Usage of expansion joints or expansion loops may be necessary.
-Supports
Aboveground biaxial GRP pipes have their special supports. Spacing between supports can be calculated by flexibility analysis. Here, shape of typical support is presented.
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-Industrial Applications
In these applications where are performed by special type of glassfibers and vinylester (VE) and epoxy basis resins, long-life operating conditions without problem occurance are easily provided.
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-Geothermal Applications
Grandpipe is also solution partner for transportation of higher temperature fluids by its technological background. By considering of operating conditions and parameters, Turnkey System Production can be done.
Please do not hesitate to contact Grandpipe Marketing Team for any subject about special applications.