Concrete is inherently weak in tensile strength, which necessitates the use of tensile reinforcement. Various forms are required to hold the concrete in place until it hardens sufficiently. With this as the main motive, profiled deck composite slabs has been widely used in current practice since decades. The deck serves not only as a lasting concrete form-work for proper settling but also establishes effective bond-slip properties. As the concrete gains strength, it combines with the deck material to function as a composite unit. Composite slab withstands three main types of failure, of which longitudinal failure is the dominating one. Though many researchers have worked to control longitudinal failure, the results have been scarce. Rigorous research has been carried out on profiled decking using experimental and analytical methods. According to Euro-code 4, “m–k” and “partial shear connection method” are effective in calculating the longitudinal shear capacity of profiled deck slabs. The objective of this study is to understand the role of the profiled deck composite slabs, its behavior and elements affecting the longitudinal failure in order to enhance their bond-slip characteristics. Moreover, this probe includes an exhaustive review of all the works that has been done to enhance the efficacy of profiled deck slabs to improvise bond- slip characteristics of composite slabs.

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Longitudinal Behavior of Profiled Deck Composite Slab: A Probe

  • Ritu Kesarsingh Chauhan,
  • Sharda Phusnath Siddh

摘要

Concrete is inherently weak in tensile strength, which necessitates the use of tensile reinforcement. Various forms are required to hold the concrete in place until it hardens sufficiently. With this as the main motive, profiled deck composite slabs has been widely used in current practice since decades. The deck serves not only as a lasting concrete form-work for proper settling but also establishes effective bond-slip properties. As the concrete gains strength, it combines with the deck material to function as a composite unit. Composite slab withstands three main types of failure, of which longitudinal failure is the dominating one. Though many researchers have worked to control longitudinal failure, the results have been scarce. Rigorous research has been carried out on profiled decking using experimental and analytical methods. According to Euro-code 4, “m–k” and “partial shear connection method” are effective in calculating the longitudinal shear capacity of profiled deck slabs. The objective of this study is to understand the role of the profiled deck composite slabs, its behavior and elements affecting the longitudinal failure in order to enhance their bond-slip characteristics. Moreover, this probe includes an exhaustive review of all the works that has been done to enhance the efficacy of profiled deck slabs to improvise bond- slip characteristics of composite slabs.