Shaking table test study on the functionality of rubber isolation bearing used in underground structure subjected to earthquakes
Sign Up to like & getrecommendations! Published in 2020 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2019.103153
Abstract: Abstract Steel-reinforced rubber isolation bearing has been widely adopted in ground structures to improve structural seismic resistance property. However its use in underground structures is not elaborately examined. Through a series of shaking table tests,… read more here.
Keywords: isolation bearing; rubber isolation; shaking table; underground structure ... See more keywords
A Study on the Design of a New Three-Dimensional Seismic Isolation Bearing Based on an Improved Genetic Algorithm for Bridge Engineering
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DOI: 10.3390/app14209453
Abstract: (1) Background: In most cases, passive isolation control methods are commonly used for the seismic isolation design in bridge engineering. However, passive seismic isolation devices, due to their non-adjustable performance parameters, struggle to achieve effective… read more here.
Keywords: improved genetic; isolation bearing; seismic isolation; bridge engineering ... See more keywords
Mechanical Properties and Seismic Loss Assessment of Improved Isolation Bearing with Variable Stiffness
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DOI: 10.3390/buildings13051134
Abstract: For improving the seismic isolation effect, traditional rubber isolation bearing provides a smaller horizontal stiffness. However, it is unfavorable for the displacement control of the seismic isolation layer under rare earthquakes. In this paper, an… read more here.
Keywords: improved isolation; isolation bearing; seismic isolation; isolation ... See more keywords
Study on the Vibration Isolation Performance of Sliding–Rolling Friction Composite Vibration Isolation Bearing
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DOI: 10.3390/buildings14072053
Abstract: This study focuses on investigating the newly proposed sliding–rolling friction composite seismic isolation bearing. It begins by establishing the dynamic equilibrium equation for the structure. Subsequently, this paper proposes a calculation model for the sliding–rolling… read more here.
Keywords: sliding rolling; rolling friction; friction composite; isolation bearing ... See more keywords
Finite Element Modeling and Performance Evaluation of a Novel 3D Isolation Bearing
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DOI: 10.3390/buildings15142553
Abstract: A numerical investigation is conducted to examine the mechanical properties of a novel three-dimensional (3D) isolation bearing. This device is primarily composed of a lead rubber bearing (LRB), disc springs, and U-shaped dampers. A finite… read more here.
Keywords: energy dissipation; performance; isolation bearing; shaped dampers ... See more keywords