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DH Mechanical, based out of Southern California, is a family owned and operated HVAC company. We have been in business since 2006 and have maintained an A rating with the Better Business Bureau. At DH Mechanical, we pride ourselves on being punctual and doing a quality job.
Application of Tuned Mass Dampers To Control. Vibrations of Composite Floor Systems. ANTHONY C. WEBSTER and RIMAS VAICAITIS. INTRODUCTION. Although the incidence of floor vibration problems appears. to be on the rise,1.2 the use of mechanical damping devices to. control vibrations is limited. In a recent survey of vibration. control methods, Murray3 reports that passive-mechanical. damping methods, including viscous damping, visco-elastic. damping, and tuned-mass dampers, have often gone untried. outside the laboratory or have had marginal impact in actual. buildings.