Seismic response of slender MDOF structures with self‐centering base shear and moment mechanisms

C Zhong, C Christopoulos - Earthquake Engineering & …, 2023 - Wiley Online Library
As the amplification of seismic force demands due to higher‐mode effects on tall buildings is
increasingly recognized as a design challenge, a number of high‐performance systems …

Finite element modeling of free‐standing cylindrical columns under seismic excitation

AA Katsamakas, MF Vassiliou - Earthquake Engineering & …, 2022 - Wiley Online Library
Rocking motion is notoriously sensitive to the parameters that define it, with experimental
tests oftentimes being non‐repeatable. Therefore, validating numerical models using a …

[HTML][HTML] Additively manufactured steel reinforcement for small scale reinforced concrete modeling: Tensile and bond behavior

M Elmorsy, R Wrobel, C Leinenbach, MF Vassiliou - Materials & Design, 2024 - Elsevier
Abstract Small scale (∼ 1: 30–1: 40) Reinforced Concrete is useful for centrifuge testing.
However, manufacturing the reinforcing cages by hand at this scale is practically difficult …

Effect of ground motion processing and filtering on the response of rocking structures

M Elmorsy, MF Vassiliou - Earthquake Engineering & Structural …, 2023 - Wiley Online Library
With growing interest in rocking structures, it is important to quantify the effects of ground
motion processing schemes on rocking response. To this end, this paper studied the …

Global sensitivity analysis of 3D printed material with binder jet technology by using surrogate modeling and polynomial chaos expansion

L Del Giudice, S Marelli, B Sudret… - Progress in Additive …, 2024 - Springer
The mechanical properties of 3D printed materials produced with additive manufacturing
depend on the printing process, which is controlled by several tuning parameters. This …

[HTML][HTML] Physical modelling of unreinforced masonry walls using a sand-based 3D printer

L Del Giudice, A Katsamakas, B Liu, V Sarhosis… - Engineering …, 2024 - Elsevier
Testing of small-scale physical models of masonry structures can be useful both to study Soil
Structure Interaction problems and to provide large enough datasets to statistically validate …

Shake table testing and finite element modeling of a modular prefabricated concrete bridge‐like specimen accounting for geometry imperfections and additional …

AA Katsamakas, MF Vassiliou… - … Engineering & Structural …, 2024 - Wiley Online Library
This paper presents the shake table testing and finite element (FE) modeling of a modular
prefabricated concrete bridge‐like specimen. The specimen comprised four equal‐height …

Deformation Calculation Method of Reinforcement Part Considering the Randomness of the Welded Joint Stiffness

H Shen, H Zheng, Y Li, F Zhang - Journal of Materials in Civil …, 2024 - ascelibrary.org
The hoisting safety and the difficulty of the main reinforcement connection are directly
affected by stiffness of reinforcement parts. Quantifying the stiffness of reinforcement parts …

Finite element analysis of the dynamic response of a free-standing cylindrical column: A statistical approach

AA Katsamakas, MF Vassiliou - … on Natural Hazards & …, 2022 - research-collection.ethz.ch
This paper presents a modeling approach for predicting the shake-table response of a
rocking and sliding column. A three-dimensional finite element (FE) model was developed …

Finite element modeling of the shake-table response of a bridge-like model comprising rocking columns

AA Katsamakas, MF Vassiliou - COMPDYN 2023: 9th …, 2023 - research-collection.ethz.ch
This paper presents a three-dimensional finite element model to predict the shake-table
response of a rocking bridge-like specimen. The numerical model is statistically validated …