Email this article Exploring deflection challenges: A case study on the influence of heavy concrete weight on profiled steel deck slabs
DOI: https://doi.org/10.20528/cjcrl.2025.03.005
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This paper presents a case study of a deflection challenge in a profiled steel deck slab subjected to heavy concrete loads, as observed during a field investigation. In recent decades, such slabs have gained popularity in both the construction and industrial sectors due to advantages such as being lightweight, cost-effective, quick to install, and capable of resisting natural disasters. However, field observations indicate that when these slabs are subjected to heavy concrete weight, they may experience significant deflection, raising concerns about long-term performance, durability, and serviceability. Excessive deflection can lead to cracking, reduced structural stability, and increased maintenance costs. It is therefore critical to understand the factors influencing deflection by examining key parameters such as material properties, slab geometry, reinforcement detailing, and load distribution characteristics. This study provides a comprehensive assessment of the structural response of such slabs. Field observations suggest that optimizing the L-angle section and C-channel section in areas where the concrete width increases can effectively reduce structural deflection. This approach helps structural elements resist excessive flexural behavior, and when combined with the use of lightweight materials, offers an innovative structural solution that highlights the importance of modern construction practices.
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