The ferrocement structural concept has been shown to offer exceptional mechanical properties in terms of toughness, fracture control, and impact resistance, which are achieved by tight spacing and homogeneous reinforcement dispersion within the matrix. The flexure behavior of geopolymer ferrocement beams under axial flexural stress is being explored experimentally and computationally in this present work. Under flexural loads, nine samples of geopolymer ferrocement beams 150 mm thick, 75 mm wide, and 1700 mm long were tested to failure. The reinforcing steel bars and wire meshes, as well as the quantity of wire mesh layers, were the key factors studied. The initial crack load, ultimate failure load, and mid-span deflection with various loading phases, cracking patterns, energy absorption, and ductility index were all studied in relation to the behavior. In terms of carrying capacity, absorbing energy, and ductility, welded steel wire mesh beams fared better than other materials. Using ANSYS-19 software, nonlinear finite element analysis (NLFEA) was carried out to demonstrate the behavior of composite ferrocement geopolymer beams. The ensuing experimental and numerical data demonstrated that the degree of experimental value estimation supplied by the FE simulations was sufficient. It is crucial to demonstrate that, in comparison to control specimens, the increase in strength of specimens reinforced with tensar meshes was reduced by around 15%. Doi: 10.28991/CEJ-2023-09-03-010 Full Text: PDF
This research proposed a method for producing reinforced composite concrete columns, reinforced with different types of steel wire meshes. The experimental program included casting and testing of nine square columns with dimensions of 200 mm × 200 mm × 1500 mm under eccentric
compression load, with an eccentricity equaling 25 mm from the column center in x direction. The experimental program specimens comprised of four designation series to make comparative study between conventionally reinforced concrete columns. Concrete columns reinforced with steel bars
and stirrups as control specimen and other groups were expanded steel mesh and welded steel mesh but the fourth group used modified and galvanized steel wire meshes of expanded and welded type. The main variables were type of reinforcing materials, number of layers and volume fraction of reinforcement.
The main objective was to evaluate the effectiveness of employing the new materials in reinforcing the composite concrete columns in enhancing the confinement of concrete column and resistance for eccentric loads. Results indicated that this methodology of concrete columns reinforcement can
be developed in high strength, crack resistance, high ductility and energy absorption properties. Moreover, Non-linear finite element analysis (NLFEA) was carried out to simulate the behaviour of the reinforced concrete columns under eccentric loads. The analytical model was agreed with experimental
results employing ANSYS-14.5 Software.
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