Structural Control Research: Tuned Liquid Dampers

9301577 Reed该项目将开发结构系统的设计策略，这些结构系统的阻尼通过包含调谐液体阻尼器（tld）而显着增强。该研究将考虑由风压引起的可用性振动的阻尼要求，以及由强烈的地面震动引起的振动，而不是集中在一个特定的负载和行为上。tld本身的设计方法也将基于数值模拟模型、液体晃动问题的实验室探索、参数研究和对现有原型tld的检查而开发。强震作用下TLD晃动的非线性数值模型将与多学科、多机构的实验室控制实验相结合。该模型将用于检验TLD的可靠性和设计优化。将与东京大学的一个研究小组合作研究单个和多个顶级域的储罐行为。更好地了解顶级域名在控制极端风和其他荷载对结构的影响方面的有效性和可靠性，将使各种结构系统更加安全。＊＊＊

9301577 Reed The project will develop design strategies for classes of structural systems whose damping is significantly enhanced through the inclusion of tuned liquid dampers (TLDs). The study will consider the damping requirements for the serviceability vibrations caused by wind pressures, as well as those induced by strong ground shaking, rather than focusing on one particular loading and behavior. A method for the design of the TLDs themselves will be also developed which will be based on numerical simulation models, laboratory exploration of liquid sloshing problems, parametric studies and examination of existing prototype TLDs. The non-linear numerical models for the TLD sloshing under strong ground shaking will be developed in tandem with controlled laboratory experiments involving a multi-disciplinary and multi-institution approach. This model will be used to examine the reliability and design optimization of the TLD. The tank behavior of single and multiple TLDs will be studied in collaboration with a research group at the University of Tokyo. An improved understanding of the effectiveness and reliability of TLDs in controlling the effects of extreme wind and other loads on structures will result in safer structural systems of all kinds. ***