Abstract:
The problem of calculating the stress-strain state of orthotropic double-layer pipes made of composites and determining the wave velocity during a water hammer is solved, in relation to the modern CIPP “Cured-in-place pipe” technology.
The dependences are derived that determine the wave velocity during a water hammer for various combinations of elastic
orthotropic properties of the pipe and lining. The numerical results are given on the effect of cylindrical anisotropy of elastic
properties of the lining (or pipe) on the wave velocity during a water hammer.
Keywords:wave velocity, water hammer, lining, stresses, layered pipe, orthotropic material.
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