Exquisite Product Introduction
Comprehensive Description:
High Damping Seismic Isolators for Bridges
Our high damping seismic isolators are a series of meticulously engineered standard components specifically designed for seismic isolation in bridges. Developed in collaboration with China Communications First Highway Survey, Design and Research Institute Co., Ltd., these isolators adhere to the stringent national standards (GB 20688) and relevant industry norms, with additional inspiration from European standards. Proudly patented, these technical innovations are backed by significant scientific and technological research projects at both provincial and ministerial levels. They have successfully passed rigorous scientific and technological achievement appraisals (Shaan Ke Jian Zi [2010] No. 097) and related certifications. Furthermore, they have been upgraded to the transportation industry standard of the People's Republic of China (JT 2009-26). These isolators are ideally suited for various types of highways and municipal bridges situated in regions with earthquake intensities of up to 9 degrees.
Isolation rubber bearings are not only equipped with all the functionalities of plate bearings but also boast exceptional isolation performance, dramatically mitigating earthquake-induced damage to bridges. High damping rubber bearings, a specialized type of isolation rubber bearing, are crafted from advanced high damping rubber materials, achieving an impressive damping ratio of 10% to 16%. Although their shape and structure mirror those of natural rubber bearings, the high viscosity of their rubber material allows for superior energy absorption and remarkable ductility. This innovative design can prolong the natural vibration period of structures during earthquakes, diminishing seismic forces, and leveraging energy dissipation characteristics to provide robust seismic isolation, comparable to the performance of lead core sandwich rubber bearings.
By utilizing high damping composite rubber materials in place of lead cores and carefully adjusting the proportion of filling materials to alter the overall damping, these bearings exhibit exceptional energy consumption capabilities, significantly enhancing the isolation reduction effect. High damping rubber bearings not only offer stable performance and robust energy dissipation but also possess excellent ductility. Their higher equivalent viscous damping translates to greater energy dissipation, providing remarkable seismic isolation effects. These bearings effectively manage the seismic response of isolated structures, and their integrated functionality results in a more compact form factor than lead core bearings. This space-saving design simplifies construction processes and offers cost advantages over lead core sandwich rubber bearings, making them an economical and efficient choice for modern infrastructure.
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