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Computers and Concrete
  Volume 12, Number 6, December 2013 , pages 819-829

Load capacity of high-strength reinforced concrete slabs by yield line theory
Selçuk Emre Gӧrkem and Metin Hϋsem

    The objective of this study is to determine whether or not the yield line theory, an effective method widely used for slabs made of ordinary concrete, can be used also for the reinforced concrete slabs made of high-strength concrete. Flexural behavior of simply supported slabs in three different sizes were investigated under concentrated load at mid-span. Additionally, behavior of high strength reinforced concrete slabs with 50 mm and 150 mm reinforcement spacings also studied. Failure loads, deflections, experimental and theoretical failure mechanisms were evaluated. The difference between the moments based on yield line theory and experimental moments varied between 1% to 3%. Experimental and analysis results revealed that yield line analysis could conveniently be employed in the analysis of high strength reinforced concrete slabs.
Key Words
    yield line theory; high strength concrete; reinforced concrete slab; collapse mechanism
Selçuk Emre Gӧrkem: Biosystems Engineering Department, Erciyes University, Kayseri, Turkey
Metin Hϋsem: Civil Engineering Department, Karadeniz Technical University, Trabzon, Turkey

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