SEISMIC BEHAVIOUR AND DESIGN OF BEAM-COLUMN CONNECTIONS IN PRECAST INDUSTRIAL BUILDINGS

سال انتشار: 1398
محل انتشار: هشتمین کنفرانس بین المللی زلزله شناسی و مهندسی زلزله
کد COI اختصاصی: SEE08_424
زبان مقاله: انگلیسی
تعداد مشاهده: 175

نویسندگان

Professor, University of Ljubljana, Ljubljana, Slovenia

چکیده

Seismic response and safety of precast buildings predominantly depends on the efficiency and behaviour of the connections between structural elements. Precast building system composed of an assemblage of cantilever columns tied together with beams is extensively used in Europe. The connection between columns and beams is achieved by the use of dowels. Although this connection is relatively simple, its behaviour had not been fully understood until in-depth studies were made within the SAFECAST project (i.e. Isakovic et al., 2017). Design practice was frequently based on engineering feeling, code procedures were not adequately formulated and several collapses were observed during recent earthquakes in Italy. The overview of the related experimental and numerical studies done by the researchers in Ljubljana is presented.Typical response mechanisms were identified and numerically modelled. Finally, design procedures and formulas to be incorporated into Eurocode 8 were proposed.A number of cyclic experiments were performed on beam-to-column connections with centric and eccentric dowels

کلیدواژه ها

Precast buildings, Dowel connection, Cyclic experiment, Design procedure

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