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Vibration is a common problem in concrete slab system when designed using ultimate strength capacity which producing slim structure. Although this elemen strong enough to sustain the loads, however another problem emerges because vibration of the element is not anticipated during the design. This study was selected from experimental data conducted on two story buildings system. Thin slab member of 120 mm in two story building showed vibration problem during sevice life. Two sensors were located on slab and middle beam to study behaviour of slab system due to human activity load. Numerical study was elaborated in this research for comparison. Strengthening of the slab using Fiber reinforced polymer (FRP) was applied to the slab system to reduce detrimental effect of vibration on slab. Peak acceleration of slab strengthening using FRP was brought down to 0.018 m/s 2  and 0.013 m/s 2  for damping of 2% and 3% respectively compared with unstrengthening slab which was 0,09 m/s 2  which higher than accepted criteria 0,5% G (0,045 m/s 2 ).

Fiber reinforced polymer as potential solution for vibration problem in concrete slab for supporting human comfortable