SEISMIC BEHAVIOUR OF BRIDGE STRUCTURES MADE OF NATURAL FIBRE REINFORCED POLYMER-CONCRETE COMPOSITE

Abstract eng:
In contrast to current conventional construction materials, i.e. steel or steel reinforced concrete, natural fibre reinforced polymer-concrete composite is environmentally friendly. In addition to the reduction of structural mass and thus the inertia forces activated in the structure during an earthquake loading, the most significant advantage is the avoidance of the long-term effect of corrosion on the integrity of the structures. In this paper a preliminary result of a simple bridge pier, made of flax fibre reinforced polymer and coconut fibre reinforced concrete, under earthquake loadings is discussed. The ground motions are simulated stochastically based on Japanese design spectrum for a hard soil condition. Shake table experiments are performed. The consequence of double tube confinement of the coconut fibre reinforced concrete core for the responses of the structure is presented.

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