Punching shear failure in blast-loaded RC slabs and panels

Improving the Punching Shear Strength of RC Slabs by FRP and Steel Sheets

This paper deals with the modeling of punching shear failure in reinforced concrete slabs using nonlinear finite element analysis. The 3D finite element analyses (FEA) were performed with the appropriate modeling of element size and mesh, and the constitutive modeling of concrete. The FE numerical models are validated by comparing with the experimental results obtained from tested specimens and...

Numerical Analysis of Punching Shear Failure of Reinforced Concrete Slabs

Nearly no load bearing behaviour of reinforced concrete members allows such varied interpretations and complex discussions as the shear behaviour. Especially the three-dimensional problem of the punching shear failure of reinforced concrete members is internationally discussed. Nevertheless up to now, there is no unified design approach or even an overall accepted design model. Especially for l...

Punching shear strength of steel fibre reinforced concrete slabs

The ultimate strength of reinforced concrete slabs is frequently governed by the punching shear capacity, which may be increased with addition of traditional fitments such as reinforcing steel, headed studs or shear heads. In addition to these traditional methods of strengthening against punching, steel fibre reinforcement has proved to be an effective and viable alternative. The addition of fi...

RC Slabs Retrofitting Against Blast Loading by GFRP-PU and CFRP-PU

For reducing the structural damage against blast loading, fiber reinforced polymers sheet (CFRP, GFRP) can be used for retrofitting the RC slabs. In this study specimens of reinforced concrete slabs with or without retrofitting are modeled numerically. The results show that the using of high resistant, elastic material such as FRP sheets, are effective in reducing the deformation of the slabs, ...

Punching shear capacity of reinforced concrete slabs with headed shear studs