Sustainable Decision in using Tuned Liquid Column Dampers for the Structural Energy Dissipation of Earthquake

This paper introduces a novel simplified modeling approach for tuned liquid column dampers (TLCDs) designed to enhance the response control of single degree of freedom (SDOF) systems. The study focuses on the operational principles of TLCDs, which utilize the inertia of liquid within a column to dissipate energy and mitigate vibrations induced by dynamic loads, such as those from wind and seismic activity. Through the linearization of the governing equations of motion using MATLAB Simulink, the effectiveness of TLCDs is analyzed under the influence of El Centro ground motion. A comparative case study evaluates the structural response of an SDOF system both with and without the integration of a TLCD, demonstrating the significant benefits of employing these dampers in reducing acceleration and displacement. Results indicate that TLCDs dissipate motion significantly faster, achieving an 80% reduction in structural displacement within the first 10 seconds of El Centro ground motion. The findings suggest that properly tuned TLCDs can substantially enhance the stability and safety of structures subjected to dynamic forces.