关键词: 部分自复位连接, BRS板耗能, 抗震性能

Abstract: To study the seismic performance of new type crimping PEC column-steel beam composite frame with partial self-centering BRS energy-dissipating connection, several design parameters as layout of penetrating bolts, BRS plate hole size of T-stub, axial force of PEC column, connection style at bottom of PEC column, 5 specimens’ models with 1∶2 scale was established by use of the finite element software ABAQUS to simulate under the lateral cyclic loading. The seismic performance of the hysteretic behavior, lateral stiffness, energy-dissipation capacity and self-centering function were analyzed. Research results showed that arrangement of bolts for test could make mechanical developing process be postponed, while practical engineering arrangement of bolts could make performance-based design target be achieved effectively; performance-based design target of partial self-centering connection was primarily depended on the slotted hole size of T-stub; the axial force of PEC column has little effect on the initial stiffness and bearing capacity, but behavior of partial self-centering connection was developed fastly by the second-order effect; sound coordination of self-centering function, energy-dissipation capacity and safety redundancy was achieved for partial self-centering connection used in all specimens.

Key words: partial self-centering connection, BRS yield energy-dissipation, seismic performance