抄録
The conventional analysis of FRP piping with respect to an internal pressing, bending, and compressing destruction have been made on the basis of an elastic analysis just as the case of a metal, an isotropic elastic material. The errors introduced in calculation were noticeable and it was difficult to calculate the specific destruction strength of the FRP piping. In this report, the approximate strength analysis with the help of the similarity low is explained. By using this method, the strength of FRP pipes of same laminate materials and laminate structure with different diameters can be predicted by a less experiment. In addition, the strength of the three-point bending, internal pressing and compressing destruction were calculated by the experiment, and these results were examined. Further, the designing method of FRP piping with the help of the similarity low is described after briefly reviewing the conventional method of the strength analysis of FRP piping.
