Waffle, Ribbed and Composite Joists Slabs: A Review Study

Abstract:

Due to the importance of the joists slab system as an excellent solution for increasing span demands in different building types, investigating its properties becomes essential for different researchers. The effects of numerous parameters on the structural behaviour of the joists slab system, whether it was a waffle, ripped, or composite sections were reviewed in this paper from past studies. This study aims to determine the most effective parameters for the joist's system loading capacity. The main conclusions were that the slab thickness and joist height were the critical parameters for increasing the load capacity and stiffness of the slab. Furthermore, a small opening in the slab was more efficient in reducing the punching shear effect than larger openings. While providing stiffening rips around the opening was more effective in rose load bearing and reducing deflection than strengthening by carbon fibre sheets.

• Periodical: Construction Technologies and Architecture (Volume 8)
• Pages: 31-41
• DOI: https://doi.org/10.4028/p-8b9MJ9
• Online since: August 2023
• Authors: Abdullah Sikar Al-Issawi*, Najlaa Hameed Alshareef, Abbas Salim Al-Ameeri
• Keywords: Composite Section, Finite Element, Punching Shear, Waffle Slab

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