A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Multi-Directional Base Isolation System for Coupled Horizontal and Vertical Seismic Excitations
The concept of a new Multi-Directional Seismic Isolation (MDSI) system is developed to enhance the seismic performance of structures under coupled horizontal-vertical excitations. The MDSI system consists of a typical isolation unit and a Super-High-Damping-Rubber (SHDR) device to tune vertical stiffness without affecting horizontal movements. The efficiency of the proposed system is demonstrated for 3-, 5-, 8- and 12-story steel frames under 10 different combined vertical-horizontal earthquake excitations. Compared to conventional base isolation systems, MDSI can reduce the maximum vertical and horizontal accelerations by up to 55% and 25%, respectively, resulting in a significant reduction of non-structural damage due to acceleration.
Multi-Directional Base Isolation System for Coupled Horizontal and Vertical Seismic Excitations
The concept of a new Multi-Directional Seismic Isolation (MDSI) system is developed to enhance the seismic performance of structures under coupled horizontal-vertical excitations. The MDSI system consists of a typical isolation unit and a Super-High-Damping-Rubber (SHDR) device to tune vertical stiffness without affecting horizontal movements. The efficiency of the proposed system is demonstrated for 3-, 5-, 8- and 12-story steel frames under 10 different combined vertical-horizontal earthquake excitations. Compared to conventional base isolation systems, MDSI can reduce the maximum vertical and horizontal accelerations by up to 55% and 25%, respectively, resulting in a significant reduction of non-structural damage due to acceleration.
Multi-Directional Base Isolation System for Coupled Horizontal and Vertical Seismic Excitations
Pourmasoud, Mohammad Masoud (author) / Lim, James B. P. (author) / Hajirasouliha, Iman (author) / McCrum, Daniel (author)
Journal of Earthquake Engineering ; 26 ; 1145-1170
2022-02-17
26 pages
Article (Journal)
Electronic Resource
English
- HORIZONTAL-VERTICAL SEISMIC ISOLATION DEVICE AND SEISMIC ISOLATION FACILITIES INCLUDING THE SAME
European Patent Office | 2022
- HORIZONTAL-VERTICAL SEISMIC ISOLATION DEVICE AND SEISMIC ISOLATION FACILITIES INCLUDING THE SAME
| European Patent Office | 2022
Active base isolation of buildings subjected to seismic excitations
Online Contents | 2010