This study investigates the possibility of replacing minimum web reinforcement in deep beams with discrete fibers. Additionally, equivalent dosage fibers required to obtain similar performance beam is investigated. Deep made plain concrete no fibers, as per AASHTO LFRD recommendations (0.3% both horizontal and vertical), a 0.5% volume fraction steel, macro-synthetic hybrid are tested at shear s...

This paper demonstrates the size effect on the shear strength of reinforced concrete (RC) beams with stirrups and does so in two separate and independent ways: (1) by fracture mechanics, based on finite-element analysis calibrated by a large beam test; and (2) by purely statistical analysis in which a newly assembled database of 234 tests is filtered to eliminate spurious size effects caused by...

The inclusion of D-regions within a reinforced-concrete member may affect largely the general behavior structure. Different techniques and approaches were proposed to control behaviour D-regions, such as shear-friction approach STM model. Such proposals not be applicable for all types Dregions. current work presents nonlinear finite element model using ANSYS software, that is adopted study thre...

This paper proposes a simplified design approach to predict the flexural behavior of reinforced concrete (RC) beams strengthened by high-performance textile mortar (TRM) under cyclic loads. Based on experimental results, effect main factors as well effectiveness and reliability TRM strengthening layer loads were examined per ACI 437 method. The reinforcement ratio original RC beams, layer, inte...

To enhance the mechanical properties and damage resistance of prefabricated monolithic composite beams, this study introduces HPFRCC precast mold shells as a replacement for ordinary concrete in construction beams. These shell beam members are then subjected to experimental investigations analyze their flexural properties. The results indicate that U–shaped exhibits excellent bonding with post-...