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http://dx.doi.org/10.7781/kjoss.2017.29.6.443

Experimental Study on Bending and Shear Performance of Deck Type Void Slab with Trapezoidal Hollow Ball  

Kim, Pil Jung (Division of Architecture and Urban Design, Incheon University)
Kim, Sang Mo (TVS COREA Co.,Ltd.)
Park, Joon Hyuk (TVS COREA Co.,Ltd.)
Publication Information
Journal of Korean Society of Steel Construction / v.29, no.6, 2017 , pp. 443-453 More about this Journal
Abstract
In this study, a trapezoidal hollow ball is used, instead of a spherical hollow ball commonly used in void slab, to secure the high hollow ratio in the deck type void slab. The bending and shear performance was measured with consideration for the shape change of the hollow ball. And to confirm the effect of deck plate and truss wire on shear performance, experiments were performed depending on the installation directions of the one-way deck plate. As a result, the bending performance of the deck type void slab with a trapezoidal hollow ball was similar to that of the void slab with a spherical hollow ball. However, according to the data of shear strength examined, the contribution of shear performance enhancement of the truss wire had a more effect on the shear performance of deck type void slab, rather than the influence by changing of the shape of hollow ball. In the previous studies, the shear strength is reduced to about 60%, due to the reduction of the effective section of concrete by installation of hollow ball. But in this experiment, the maximum load of specimen, in which the deck was installed in horizontal direction, so expected to have no influence on the shear performance, was only reduced to about 87%, due to the truss framework of truss wire.
Keywords
Deck type void slab; Shape of hollow ball; Deck installation direction; Shear strength; Bending force;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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