Abstract
Prefabricated cantilevered beam-column structures have gained popularity in mountainous road construction. However, a notable research gap exists regarding the beam-column connections. To fill this gap, a new bolted connection method was introduced for the cantilevered beam-column structure. The mechanical performance of this novel structure was systematically investigated through reduced-scale experiments and finite element analysis. The structure's response under three critical loading conditions was experimentally examined, revealing the efficacy of bolted connections in preserving structural integrity and highlighting pronounced strain concentration at the connection region of the cap beam. Furthermore, to enhance structural design, a finite element model of this beam-column structure was established to simulate the influence of various materials and structural parameters on structural response and damage. Simulation results indicated that the anchor rod angle and the number of bolts had a minor impact on load-bearing capacity and damage modes. In contrast, the choice of concrete material and steel reinforcement ratio significantly influenced load-bearing capacity. The insights derived from this study offer valuable guidance for optimizing and extending the application of this structural design.
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