A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The Strength Research of Pressure Pipeline Reinforced with CFRP
In order to make the pressure safe, a new method and material for reinforcing pipelines is introduced, that is carbon fiber reinforced polymer sheet. In the experiment, the metal pipelines that wrapped with different layers of CFRP sheets respectively are carried loads by hydrostatic burst test. The results show that this method can be a substantial reinforcement in the bearing capacity of the metal pipelines. According to the test data and the thin wall cylinder stress calculation theory, the design formula of reinforcing layer thickness of CFRP was presented in the elastic and plastic state of metal material. Based on the plastic solution of thick wall cylinder in the polar coordinates, the strength checking formulas of repair system was presented in different mechanical states. The presented formulas without iterative calculation have practical value in the production practice.
The Strength Research of Pressure Pipeline Reinforced with CFRP
In order to make the pressure safe, a new method and material for reinforcing pipelines is introduced, that is carbon fiber reinforced polymer sheet. In the experiment, the metal pipelines that wrapped with different layers of CFRP sheets respectively are carried loads by hydrostatic burst test. The results show that this method can be a substantial reinforcement in the bearing capacity of the metal pipelines. According to the test data and the thin wall cylinder stress calculation theory, the design formula of reinforcing layer thickness of CFRP was presented in the elastic and plastic state of metal material. Based on the plastic solution of thick wall cylinder in the polar coordinates, the strength checking formulas of repair system was presented in different mechanical states. The presented formulas without iterative calculation have practical value in the production practice.
The Strength Research of Pressure Pipeline Reinforced with CFRP
Han, Juan (author) / Liang, Yin (author)
2013
4 Seiten
Conference paper
English
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