Four-limb CFST latticed columns seismic performance: experimental and ANN predictions

Abstract This paper investigates the seismic performance of four-limb concrete-filled steel tubular (CFST) lattice columns with different slenderness ratios (10.8, 10.8, 18.4, and 27.9) and axial load ratios (0.2, 0.3, 0.2, and 0.2), conducting horizontal low-cycle reciprocating load test. Based on...

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Bibliographic Details
Published in:	Scientific Reports
Main Authors:	Juan Chen, Jun-Jie He, Zhi Huang, Yuner Huang, Yohchia Frank Chen
Format:	Article
Language:	English
Published:	Nature Portfolio 2025-09-01
Subjects:	Latticed columns QMESSA model Hysteretic curve Low-cycle reciprocating loading test SSA algorithm Damage variable
Online Access:	https://doi.org/10.1038/s41598-025-99328-7

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