TY - GEN
T1 - Fragility-Based Analysis of Topologically Optimized Timber Building
AU - Solís, Felipe
AU - Parra, Pablo
AU - Cendoya, Patricio
N1 - Publisher Copyright:
© 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.
PY - 2023
Y1 - 2023
N2 - The assessment of the seismic performance of timber structures and topology optimization are both widely researched topics in recent years. In addition, the new challenges in sustainability have led to increased use of wood in construction, a material considered to have a negative carbon footprint. This research assesses the seismic response of a topologically optimized structure to be located in Concepcion, Chile. The system corresponds to a five-story glulam braced frame, designed following current Chilean standards, with a structural configuration obtained from a topology optimization process using a Soft-kill BESO algorithm implemented in MATLAB. OpenSees was selected for structural analysis. The nonlinear structural behavior was only considered in joints, using the backbone curves introduced in ASCE 41-13. The seismic performance was determined through static pushover analysis, and later the building fragility curves were approximately calculated at the ASCE 41 performance levels from the pushover curve using SPO2FRAG. Finally, recommendations are made for using topology optimization algorithms in the design process of actual buildings.
AB - The assessment of the seismic performance of timber structures and topology optimization are both widely researched topics in recent years. In addition, the new challenges in sustainability have led to increased use of wood in construction, a material considered to have a negative carbon footprint. This research assesses the seismic response of a topologically optimized structure to be located in Concepcion, Chile. The system corresponds to a five-story glulam braced frame, designed following current Chilean standards, with a structural configuration obtained from a topology optimization process using a Soft-kill BESO algorithm implemented in MATLAB. OpenSees was selected for structural analysis. The nonlinear structural behavior was only considered in joints, using the backbone curves introduced in ASCE 41-13. The seismic performance was determined through static pushover analysis, and later the building fragility curves were approximately calculated at the ASCE 41 performance levels from the pushover curve using SPO2FRAG. Finally, recommendations are made for using topology optimization algorithms in the design process of actual buildings.
KW - Braced frames
KW - Earthquake engineering
KW - Fragility curves
KW - Pushover analysis
KW - SPO2FRAG
KW - Timber structures
KW - Topology optimization
UR - http://www.scopus.com/inward/record.url?scp=85161270149&partnerID=8YFLogxK
U2 - 10.1007/978-3-031-30125-4_40
DO - 10.1007/978-3-031-30125-4_40
M3 - Conference contribution
AN - SCOPUS:85161270149
SN - 9783031301247
T3 - Lecture Notes in Civil Engineering
SP - 442
EP - 450
BT - Proceedings of the 2022 Eurasian OpenSees Days
A2 - Di Trapani, Fabio
A2 - Demartino, Cristoforo
A2 - Marano, Giuseppe Carlo
A2 - Monti, Giorgio
PB - Springer Science and Business Media Deutschland GmbH
T2 - 2nd Eurasian Conference on OpenSees Days, EOSD 2022
Y2 - 7 July 2022 through 8 July 2022
ER -