The tuned mass damper is one of the most frequently employed structural control devices for mitigating dynamic vibrations in structures subjected to earthquake ground motions. Conventional tuned mass ...

ABSTRACT: This study investigates the application of time-delay feedback active control to the anti-resonant frequency response in a Pendulum Tuned Mass Damper (PTMD) vibration reduction system. An ...

ABSTRACT: This study investigates the application of time-delay feedback active control to the anti-resonant frequency response in a Pendulum Tuned Mass Damper (PTMD) vibration reduction system. An ...

Manhattan’s newest supertall building, 520 Fifth Avenue, rises 1,002 ft from a constrained site on the corner of a busy ...

Manhattan’s newest supertall building, 520 Fifth Avenue, rises 1,002 ft from a constrained site on the corner of a busy ...

The building has a stunning observation deck on the 89th and 91st floors. The massive tuned mass damper (TMD) stabilises the building against earthquakes and typhoons. Not only this, but tourists ...

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上海三件套是上海天际线最具标志性的建筑群，由上海环球金融中心（492米）、金茂大厦（420.5米）和上海中心大厦（632米）组成，因独特造型被形象地称为“开瓶器”“注射器”和“打蛋器”。The "Shanghai Three-piece Set" ...