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Experiment and Theoretical Study on Joint Energy Dissipation of Steel Beam High-strength Bolted Splice in Frame Structure with Concrete Slab Considered

Author: MaLiang
Tutor: LiQiCai
School: Suzhou Institute of Technology
Course: Structural Engineering
Keywords: steel beam’s splice high-strength bolt concrete slab pseudo-static test finite element analysis seismic design method
CLC: TU391
Type: Master's thesis
Year: 2010
Downloads: 42
Quote: 0
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Abstract


Using steel beam’s splice to dissipate seismic energy is one of the means improve the structural seismic performance. In recent years, a lot of research on this kind of energy dissipation has been carried out. In this article, for the first time, experiment test and finite element simulation of high-strength bolted splice in frame structure with concrete slab considered was done to study the energy dissipation performance.The three speciments are designed and tested under the constant axis force and reverse loads and research the hysteretic behavior, energy dissipation capacity, ductility, strength degeneration and rigidity degeneration; particular attention was paid to energy dissipation principles of high-strength bolted splice using slotted holes. The experiments and analysis indicate that the joint patterns of concrete slab considered have enough carrying capacity, better rigidity and energy dissipation behaviors. The higher reinforcement ratio and the thicker concrete slab thickness can improve rigidity and capacity. Shear connection performance affect energy dissipation capacity of the high-strength bolted splice using slotted holes.The nonlinear finite element analysis is done to the joints using software ANSYS at the same time. The results of finite element analysis coincide to the results of the experiments.Finally, design recommendations on how to utilize beam’s splice to dissipate seismic energy is given out.

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CLC: > Industrial Technology > Building Science > Building structure > Metal structures > Steel
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