The increasing trend of using light and slender deck in pedestrian bridge has raised the issue of instability under pedestrian movement. The suspension pedestrian bridges are more vulnerable as lateral vibration often occurred in such type of bridges. Hence, the current paper targeted to develop a pedestrian suspension bridge with a new type of composite deck using Glass Fibre Reinforced Polymer (GFRP) in the bottom layer and laminated glass in the top layer. The safety and serviceability of the developed pedestrian bridge is rigorously investigated. The performance of the suspension pedestrian bridge is comprehensively investigated by monitoring important response parameters such as stress, deflections, natural frequencies and accelerations under pedestrian loads and compared with current bridge design code requirements. The developed suspension pedestrian bridge with new type of composite deck could adhere the requirements of the bridge design code. Hence, the suspension pedestrian bridge mentioned in this paper is recommended for pedestrian use for its standard safety and serviceability.

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This paper reviews the recent research progress on multi-layer composite structures composed of variety of materials. The utilization of multi-layer composite system is found to be common in metal structures and pavement systems. The layer of composite structure designed to encounter heavy dynamic energy should have sufficient ductility to counteract the intensity of energy. Therefore, the selection of materials and enhancement of interface bonding become crucial and both are discussed in this paper. The failure modes have also been explored in conjunction with stresses at failures and inferred solutions are also revealed. The paper attempts to reveal all technical facts on multi-layer composite structure in a broad field. 

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