Experimental and numerical investigation of a large tuned liquid column damper

Abstract

During the early design stages of a relatively slender 63-storey high-end residential tower located on the East Coast of the USA, a series of high-frequency force balance and simultaneous pressure integration wind tunnel studies highlighted that the highest occupied levels of the tall building could experience wind-induced motion that had the potential to exceed standard industry occupant-comfort criteria. In order to mitigate these excessive vibrations, additional damping was needed. Among the different types of auxiliary damping devices that can be introduced in a tall building to control wind-induced sway, the so-called tuned liquid column damper was chosen for this specific project primarily because of its simplicity in construction, low initial cost and nearly maintenance-free operation.

Analysis of a tuned liquid column damper in non-linear structures subjected to seismic excitations

“…They conclude that the device with the inherent damping that contributes more in the reduction of the energy is the TMD, followed by TLCD and finally, TLD. Cammelli & Li (2016) proposed TLCD as a solution for a 42-storey residential building which showed in its early design stage, displacements which would exceed the comfort criterion used in the industry.…”

Editorial

“…For many buildings, the use of a tuned liquid column damper (TLCD) is an efficient solution. Cammelli and Li (2016) present a case study demonstrating the use of experimental and numerical studies to guide design of a large TLCD to be installed in a high-rise structure in the East Coast of USA. Damping can also be used to mitigate the effects of seismic events on buildings.…”