Reinforced concrete structures need to be strengthened and retrofitted for various reasons, including errors during design and/or construction, so in most cases strengthening of structural elements is much more economical than rebuilding the structure. Using HPFRCC with tensile stiffening behavior has been developed to strengthen the concrete structures over the recent few years. In this paper,...

PROJECT NO. II.3 SUMMARY This project examines the feasibility of improving the blast-resistant capacity of reinforced concrete slabs by using innovative composite materials. In order to achieve this objective, five phases of testing were conceived. In the first phase of testing, four control reinforced concrete slabs were tested under real blast loads in order to establish a baseline for compa...

because thin plate reinforced concrete members such as walls and slabs are greatly influenced by the drying shrinkage, cracks can occur in these members due to the restraint of the volume change caused by drying shrinkage. therefore, the control of cracking due to drying shrinkage is very important in building construction that the thin plate members are frequently used. however, few researches...

Structural members with low-flexural stiffness, such as slabs, are more susceptible to impulsive loadings induced by falling machines/tools during construction and installation, also from rolling boulders/rocks triggered wind/earthquake, especially in mountainous areas. The impact resistance of reinforced concrete (RC) slabs supported on two opposite edges (often called the one-way slab) all fo...

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...

Fiber-reinforced polymer (FRP) composites are increasingly used in concrete structures owing to their superior corrosion resistance. However, FRP-reinforced (RC) exhibit less ductile response compared steel RC structures. Recently, the use of basalt fiber reinforced (BFRC) with BFRP bars was investigated achieve a reasonable level ductility BFRC-BFRP one-way slabs. The shear behavior such slab ...