Enhancing the teaching of seismic isolation using additive manufacturing

Enhancing the teaching of seismic isolation using additive manufacturing
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使用增材制造加强隔震教学

DOI:
10.1016/j.engstruct.2018.03.084
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发表时间:
2018
影响因子:
5.5
通讯作者:
Harvey Jr., P.S.
Harvey Jr., P.S.
中科院分区:
工程技术2区
文献类型:
--
作者:
Calhoun, S.J.;Harvey Jr., P.S.

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本文对Virgin(2017 a,B)之前的两篇论文进行了补充研究。在这些论文中,3D打印分别用于为学习结构分析和结构动力学的学生提供实践经验。本文将3D打印的应用扩展到研究先进的抗震设计策略,即隔震。本文介绍了使用3D打印来制造参数变化下的阻尼型隔震支座。滑动和滚动机制建模,设计,制造和测试,和轴承的几何形状(半径)和阻尼(摩擦与滚动阻力)的动态特性和隔离性能的影响进行了探讨。
This paper provides a complementary study to two previous papers by Virgin (2017a,b). In those papers, 3D printing was used to provide hands-on experience for students studying structural analysis and structural dynamics, respectively. In this paper, the application of 3D printing is extended to investigate advanced seismic design strategies, namely seismic isolation. This paper describes the use of 3D printing to fabricate pendulum-type isolation bearings under parametric variation. Both sliding and rolling mechanisms are modeled, designed, fabricated and tested, and the influence of bearing geometry (radius) and damping (friction versus rolling resistance) on dynamic characteristics and isolation performance is explored.
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