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Seismic Isolation Retrofit With Combination of High-Damping Rubber Bearings and Elastic Sliding Bearings

机译：具有高阻尼橡胶轴承和弹性滑动轴承的地震隔离改造

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So far, seismic behavior has been improved in various kinds of buildings, such as historical properties, government buildings, and hospitals. The numbers of seismic isolation retrofitted buildings are increasing in Japan for reducing an environmental impact and reconsidering the 'scrap/build' development style. To decrease the seismic risk of a five-story office building, the seismic isolation retrofitting was adopted at the top of the first-floor columns. The isolators consist of high-damping laminated rubber bearings and elastic sliding bearings. The combination of these bearing devices is optimized in design, which improved the modulus of eccentricity and achieved an optimal isolated period for reducing the yield shear force. While the installation work was completed in March 2001, the building had been used without disturbing operations. This paper describes 1) building outline, 2) structural design, 3) the construction sequence and their measured noise and vibration during construction, 4) isolation retrofitting efficiency against traffic vibration.
机译：到目前为止，各种建筑物的地震行为得到了改善，如历史财产，政府建筑和医院。日本正在增加地震隔离建筑物的数量，用于减少环境影响，并重新考虑“废料/建造”发展风格。为了减少五层办公楼的地震风险，在一楼顶部采用地震隔离改装。隔离器包括高阻尼夹层橡胶轴承和弹性滑动轴承。这些轴承装置的组合在设计中进行了优化，其改善了偏心的模量并实现了用于降低产量剪切力的最佳隔离时间。虽然安装工作已于2001年3月完成，但该建筑已被使用而不会扰乱操作。本文介绍1）构建大纲，2）结构设计，3）施工序列及其测量噪声和施工期间的噪音，4）隔离改装效率对交通振动。

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