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http://dx.doi.org/10.11112/jksmi.2010.14.4.062

Serviceability Performance Evaluation of Vertical Vibration of Waflle Shape and Duble-Tee Precast Concrete Slabs  

Shin, Jae-Sang (단국대학교 건축대학 건축공학과)
Chung, Lan (단국대학교 건축대학 건축공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.14, no.4, 2010 , pp. 62-69 More about this Journal
Abstract
In this study, the serviceability performance of Waffle Shaped(WAS) and Double-Tee(DT) precast concrete slabs were evaluated and compared based on the vertical acceleration magnitude induced by walking and heel drop loads. Tests were conducted for practical building structures of which floor systems used WAS and DT slabs. Natural frequencies of the slabs were similar to those obtained by using analytical models. The measured acceleration level was evaluated by vertical floor acceleration criteria presented by ISO-2631, AIJ(1991, Japan) and a previous study regarding floor vibration limit. Test results showed that both WAS and DT slabs satisfied all the criteria and Peak acceleration level of WA slabs was lower than that of DT slabs.
Keywords
Waffle slab; Double-tee slab; Vertical vibration; Serviceability;
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