الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
 |  | from | 227 |  |  |
| | | from | 227 | | |
Abstract
Prefabricated concrete slabs in composite steel beams provide a reduction in construction time and high-quality control. In addition, bolted shear connectors have several advantages, including ease of installation, better quality control, and lower labor costs. It could also be used as demountable shear connectors in order to allow the deconstruction of composite systems. This research provides experimental and numerical studies of the behavior of bolted shear studs and the behavior of composite beams with the prefabricated slab. The experimental program included six push-out tests and six composite beam tests. For both push-out tests and composite beam tests, advanced finite element models are developed and calibrated with experimental results using ABAQUS/Explicit) Quasi-static analysis. A parametric study is carried out for the push-out tests considering the most important factors that influence the shear resistance and the ductility of bolted shear connectors, such as bolt diameter, bolt material, bolt height, number of bolts per group, and grout strength. Proposed equations are developed based on the finite element parametric results to estimate shear resistance and initial stiffness for bolted shear connectors. Furthermore, another parametric study is conducted for the composite beam with bolted studs to investigate the impact of bolt diameter, bolt material, bolt-hole size and grout strength on the behavior of the composite bean. Proposed analytical models for composite beams are developed using the simplified plastic method to determine the behavior of composite beams with partial and full shear connections in order to calculate the beam flexural capacity, deflection, and expected end slip.