Intensity measures as interfacing variables versus response proxies: The case of rigid rocking blocks

CG Lachanas, D Vamvatsikos… - … & Structural Dynamics, 2023 - Wiley Online Library
A comparative study of alternative Intensity Measures (IMs) for structures of rocking
response is presented, focusing on the salient characteristics that define the selection of an …

Seismic damage evaluation of unanchored nonstructural components under combined effects of horizontal and vertical near‐fault ground motions

J Wang, W Chen, K Dai, T Li… - … & Structural Dynamics, 2023 - Wiley Online Library
With consideration of seismic resilience, damage of nonstructural components (NSCs)
attracts significant attentions. Most previous studies focused on dynamic behaviors of NSCs …

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 …

Machine Learning Algorithms for the Prediction of the Seismic Response of Rigid Rocking Blocks

I Karampinis, KE Bantilas, IE Kavvadias, L Iliadis… - Applied Sciences, 2023 - mdpi.com
A variety of structural members and non-structural components, including bridge piers,
museum artifacts, furniture, or electrical and mechanical equipment, can uplift and rock …

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 …

Ground motion processing in rocking structures

M Elmorsy, MF Vassiliou - COMPDYN 2023: 9th …, 2023 - research-collection.ethz.ch
Recorded ground motions require filtering and baseline correction to remove noise that
results in unrealistic velocity and displacement time histories. The effect of ground motion …

Seismic response and fragility assessment of freestanding objects with random geometry

S Diamantopoulos, M Fragiadakis - Soil Dynamics and Earthquake …, 2024 - Elsevier
The seismic response of freestanding objects is a fundamental problem in earthquake
engineering that is usually handled with the aid of the rocking block theory, ie assuming …

Hilbert–Huang-Transform-Based Seismic Intensity Measures for Rocking Response Assessment

KE Bantilas, IE Kavvadias, M Tyrtaiou, A Elenas - Applied Sciences, 2023 - mdpi.com
Structures that can uplift and rock under severe seismic excitations present remarkable
stability without exhibiting damage. As such, rocking-response-based structural systems …

[HTML][HTML] Seismic Response Prediction of Rigid Rocking Structures Using Explainable LightGBM Models

I Karampinis, KE Bantilas, IE Kavvadias, L Iliadis… - Mathematics, 2024 - mdpi.com
This study emphasizes the explainability of machine learning (ML) models in predicting the
seismic response of rigid rocking structures, specifically using the LightGBM algorithm. By …

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 …