Bending and Shear Strength of I-Slab with Polystyrene Forms
- Authors
- Kim, Seung Hun; Lee, K. K.; Lee, Han Seung; Lee, K. J.; Kang, In Seok
- Issue Date
- Jul-2008
- Publisher
- Trans Tech Publications Ltd.
- Keywords
- Precast Concrete; Polystyrene; Failure; Crack
- Citation
- Key Engineering Materials, v.385 , no.1, pp 353 - 356
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Key Engineering Materials
- Volume
- 385
- Number
- 1
- Start Page
- 353
- End Page
- 356
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/43054
- DOI
- 10.4028/www.scientific.net/KEM.385-387.353
- ISSN
- 1013-9826
1662-9795
- Abstract
- Where the self weight of the overall slab needs to be considered, the quantity of in-situ concrete required can be reduced by the introduction of polystyrene void forms supplied and fixed to the precast panel during manufacture. In this study, new I-slab system with polystyrene form and precast concrete deck is proposed to reduce the construction period and the self weight of the slab. This paper presents experimental works on the bending and shear of the I-slabs. Five specimens were tested. The main parameters of experiments were the hole diameter of polystyrene form and the thickness of slab. Structural performance of I-slab was evaluated on the basis of failure mode, load-displacement curve, and ultimate strengths. Based on the test results, the critical punching shear sections were changed as test variables, so the punching shear strengths were very different. Test results indicated that the developed I-slab were very effective to increase the strength because of self weight reduction.
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